@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Manrope:wght@200;300;400;500;600;700&display=swap');

/* ================================================================
   DESIGN TOKENS
   ================================================================ */
:root {
  /* Background hierarchy — Chrome dark mode palette */
  --bg:        #202124;
  --surface:   #292a2d;
  --surface-2: #35363a;
  --surface-3: #3c4043;

  /* Borders */
  --border:   rgba(255,255,255,0.08);
  --border-2: rgba(255,255,255,0.14);
  --border-3: rgba(255,255,255,0.22);

  /* Text — Chrome dark mode text colors */
  --ink:   #e8eaed;
  --ink-2: #9aa0a6;
  --ink-3: #6e7478;
  --ink-4: rgba(232,234,237,0.20);

  /* Accent palette */
  --emerald:     #10b981;
  --emerald-dim: rgba(16,185,129,0.13);
  --navy:        #3b82f6; /* Vibrant blue for dark mode */
  --navy-dim:    rgba(59,130,246,0.15);
  --indigo:      #7c85f5;
  --indigo-dim:  rgba(124,133,245,0.13);
  --amber:       #f59e0b;
  --amber-dim:   rgba(245,158,11,0.13);
  --rose:        #f43f5e;
  --rose-dim:    rgba(244,63,94,0.13);
  --sky:         #38bdf8;
  --sky-dim:     rgba(56,189,248,0.13);
  --violet:      #8b5cf6;
  --violet-dim:  rgba(139,92,246,0.13);
  --yellow:      #fbbf24;
  --yellow-dim:  rgba(251,191,36,0.13);

  /* Primary Accent Settings (Default: Emerald) */
  --primary:     var(--marine);
  --primary-dim: var(--marine-dim);
  --primary-fg:  #ffffff;
}

:root[data-theme="light"] {
  /* Background hierarchy */
  --bg:        #f3f4f6;
  --surface:   #ffffff;
  --surface-2: #f9fafb;
  --surface-3: #f3f4f6;

  /* Borders */
  --border:   rgba(0,0,0,0.08);
  --border-2: rgba(0,0,0,0.15);
  --border-3: rgba(0,0,0,0.25);

  /* Text */
  --ink:   #111827;
  --ink-2: rgba(17,24,39,0.70);
  --ink-3: rgba(17,24,39,0.50);
  --ink-4: rgba(17,24,39,0.30);

  /* Accent palette (adjusted dim variations for light background) */
  --emerald:     #059669;
  --emerald-dim: rgba(5,150,105,0.12);
  --navy:        #1d4ed8; /* Darker blue for light mode */
  --navy-dim:    rgba(29,78,216,0.12);
  --indigo:      #4f46e5;
  --indigo-dim:  rgba(79,70,229,0.12);
  --amber:       #d97706;
  --amber-dim:   rgba(217,119,6,0.12);
  --rose:        #e11d48;
  --rose-dim:    rgba(225,29,72,0.12);
  --sky:         #0284c7;
  --sky-dim:     rgba(2,132,199,0.12);
  --violet:      #7c3aed;
  --violet-dim:  rgba(124,58,237,0.12);
  --yellow:      #d97706;
  --yellow-dim:  rgba(217,119,6,0.12);

  /* Primary Accent Settings (Default: Emerald) */
  --primary:     var(--marine);
  --primary-dim: var(--marine-dim);
  --primary-fg:  #ffffff;
}

:root {
  /* Typography */
  --font-sans:  'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;

  /* Layout */
  --sidebar-w: 232px;

  /* Border radius */
  --r-xs:   6px;
  --r-sm:   10px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-xl:   26px;
  --r-2xl:  32px;
  --r-pill: 999px;

  /* Easing */
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:    cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);

  /* Transitions */
  --tr:    0.18s var(--ease);
  --tr-md: 0.28s var(--ease);
  --tr-lg: 0.40s var(--ease);

  /* Shadows */
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.45);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.55);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.72);
}

/* ================================================================
   RESET
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
}
button  { cursor: pointer; border: none; background: none; }
input, textarea, select { background: none; border: none; }
a { color: inherit; text-decoration: none; }

/* ================================================================
   APP LAYOUT
   ================================================================ */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ----------------------------------------------------------------
   SIDEBAR
   ---------------------------------------------------------------- */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  position: relative;
  z-index: 10;
  overflow: hidden;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 18px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo-mark {
  width: 30px;
  height: 30px;
  border-radius: var(--r-sm);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  font-size: 28px;
}

.sidebar-logo-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.nav-group-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding: 14px 10px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 11px;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--tr), color var(--tr);
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--r-md);
  color: var(--ink-2);
  text-decoration: none;
  margin-bottom: 4px;
  transition: var(--tr);
}
.nav-item:hover { background: rgba(255,255,255,0.03); color: var(--ink); }
.nav-item.active { background: var(--primary-dim); color: var(--primary); font-weight: 500; }
.nav-item.active i { color: var(--primary); }

.nav-group {
  margin-bottom: 24px;
}
.nav-group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  margin: 0 0 10px 14px;
  font-weight: 600;
}

.nav-icon { width: 17px; height: 17px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }

.nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--r-pill);
  line-height: 1.5;
}

.sidebar-bottom {
  padding: 10px 10px 12px;
  border-top: 1px solid var(--border);
}

/* ----------------------------------------------------------------
   MAIN AREA
   ---------------------------------------------------------------- */
.main {
  flex: 1;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg);
  position: relative;
}
.main::-webkit-scrollbar { width: 4px; }
.main::-webkit-scrollbar-track { background: transparent; }
.main::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }
.main::-webkit-scrollbar-thumb:hover { background: var(--border-3); }

/* ================================================================
   VIEWS
   ================================================================ */
.view {
  display: none;
  min-height: 100%;
  padding: 32px 40px 80px;
  animation: fadeUp 0.22s var(--ease-out);
}
.view.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Page header */
.page-header { margin-bottom: 28px; }

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 3px;
}

.page-subtitle { font-size: 13px; color: var(--ink-3); font-weight: 300; }

.section-heading {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ================================================================
   CARDS
   ================================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px;
  transition: border-color var(--tr);
}
.card:hover { border-color: var(--border-2); }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--r-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--tr);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-fg, #000);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--primary-dim);
}

.btn-secondary {
  background: rgba(255,255,255,0.05);
  color: var(--ink-2);
  border-color: var(--border-2);
}
.btn-secondary:hover { background: rgba(255,255,255,0.09); color: var(--ink); }

.btn-ghost {
  background: transparent;
  color: var(--ink-3);
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); color: var(--ink-2); }

.btn-danger {
  background: var(--rose-dim);
  color: var(--rose);
  border-color: rgba(244,63,94,0.22);
}
.btn-danger:hover { background: rgba(244,63,94,0.22); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-xs { padding: 4px 9px; font-size: 11px; }

.btn-icon    { width: 34px; height: 34px; padding: 0; border-radius: var(--r-md); flex-shrink: 0; }
.btn-icon-sm { width: 28px; height: 28px; padding: 0; border-radius: var(--r-sm); flex-shrink: 0; }

/* ================================================================
   FORMS
   ================================================================ */
.input-group { margin-bottom: 14px; }

.input-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  margin-bottom: 5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  transition: var(--tr);
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-dim); outline: none; }
.input::placeholder { color: var(--ink-4); }

textarea.input { resize: vertical; min-height: 80px; line-height: 1.6; }

select.input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(240,240,240,0.3)' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ================================================================
   MODAL
   ================================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--tr-md);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
  padding: 24px;
  width: 480px;
  max-width: calc(100vw - 32px);
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(18px) scale(0.97);
  transition: transform var(--tr-md) var(--ease-spring);
  box-shadow: var(--shadow-lg);
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-title { font-size: 16px; font-weight: 500; color: var(--ink); }
.modal-close {
  width: 28px; height: 28px;
  border-radius: var(--r-sm);
  background: var(--border);
  color: var(--ink-3);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--tr);
}
.modal-close:hover { background: var(--border-2); color: var(--ink); }

/* ================================================================
   STATS GRID
   ================================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: var(--r-pill);
}
.stat-card.emerald::before { background: var(--primary); }
.stat-card.indigo::before  { background: var(--indigo); }
.stat-card.amber::before   { background: var(--amber); }
.stat-card.rose::before    { background: var(--rose); }
.stat-card.violet::before  { background: var(--violet); }
.stat-card.sky::before     { background: var(--sky); }

.stat-icon {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.stat-icon.emerald { background: var(--primary-dim); color: var(--primary); }
.stat-icon.indigo  { background: var(--indigo-dim);  color: var(--indigo); }
.stat-icon.amber   { background: var(--amber-dim);   color: var(--amber); }
.stat-icon.rose    { background: var(--rose-dim);    color: var(--rose); }
.stat-icon.violet  { background: var(--violet-dim);  color: var(--violet); }
.stat-icon.sky     { background: var(--sky-dim);     color: var(--sky); }

.stat-value { font-size: 24px; font-weight: 600; color: var(--ink); line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 11.5px; color: var(--ink-3); }

/* ================================================================
   TAGS / BADGES
   ================================================================ */
.tag {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 2px 7px;
  border-radius: var(--r-pill);
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.5;
}
.tag-emerald { background: var(--primary-dim); color: var(--primary); }
.tag-indigo  { background: var(--indigo-dim);  color: var(--indigo); }
.tag-amber   { background: var(--amber-dim);   color: var(--amber); }
.tag-rose    { background: var(--rose-dim);    color: var(--rose); }
.tag-violet  { background: var(--violet-dim);  color: var(--violet); }
.tag-sky     { background: var(--sky-dim);     color: var(--sky); }
.tag-default { background: var(--border);      color: var(--ink-2); }

.priority-urgent { background: var(--rose-dim);   color: var(--rose); }
.priority-high   { background: var(--amber-dim);  color: var(--amber); }
.priority-medium { background: var(--indigo-dim); color: var(--indigo); }
.priority-low    { background: var(--border);     color: var(--ink-3); }

/* ================================================================
   TOGGLE SWITCH
   ================================================================ */
.toggle {
  width: 36px;
  height: 20px;
  background: var(--border);
  border-radius: 10px;
  position: relative;
  cursor: pointer;
  transition: var(--tr);
}
.toggle::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: var(--surface);
  border-radius: 50%;
  transition: var(--tr);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle.on { background: var(--primary); }
.toggle.on::after { transform: translateX(16px); }

/* ================================================================
   EMPTY STATE
   ================================================================ */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--ink-3);
}
.empty-state-icon { font-size: 34px; margin-bottom: 10px; opacity: 0.5; }
.empty-state-text { font-size: 13px; margin-bottom: 14px; }

/* ================================================================
   TOASTS
   ================================================================ */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 1000;
  display: flex; flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  padding: 11px 15px;
  font-size: 13px; color: var(--ink);
  min-width: 220px;
  box-shadow: var(--shadow-md);
  animation: toastSlide 0.28s var(--ease-spring);
  pointer-events: all;
  display: flex; align-items: center; gap: 8px;
}
.toast.success { border-left: 3px solid var(--primary); }
.toast.error   { border-left: 3px solid var(--rose); }
.toast.info    { border-left: 3px solid var(--indigo); }

@keyframes toastSlide {
  from { transform: translateX(110%); opacity: 0; }
  to   { transform: translateX(0);   opacity: 1; }
}

/* ================================================================
   DASHBOARD
   ================================================================ */
.dashboard-greeting { margin-bottom: 28px; }

.greeting-time {
  font-size: 12px;
  color: var(--ink-3);
  font-weight: 300;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.greeting-text {
  font-family: var(--font-serif);
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.greeting-text .name-accent { color: var(--primary); }

.today-date { font-size: 13px; color: var(--ink-3); margin-top: 5px; font-weight: 300; }

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 20px;
}
.dashboard-col { display: flex; flex-direction: column; gap: 14px; }

/* ================================================================
   TASKS
   ================================================================ */
.tasks-toolbar {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 18px; flex-wrap: wrap;
}

.view-toggle {
  display: flex; gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 3px;
  flex-shrink: 0;
}
.view-toggle-btn {
  padding: 6px 18px;
  border-radius: var(--r-sm);
  font-size: 12px; font-weight: 500;
  color: var(--ink-3);
  cursor: pointer;
  transition: all var(--tr);
  display: flex; align-items: center; gap: 5px;
}
.view-toggle-btn.active { background: var(--surface-3); color: var(--ink); }

.tab-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 18px;
  border-radius: var(--r-sm);
  font-size: 12px; font-weight: 500;
  color: var(--ink-3);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  transition: all var(--tr);
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.active { background: var(--surface-3); color: var(--ink); }

.task-item {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 13px 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 7px;
  transition: all var(--tr);
  cursor: pointer;
}
.task-item:hover { border-color: var(--border-2); transform: translateX(2px); }
.task-item.done { opacity: 0.5; }
.task-item.done .task-title { text-decoration: line-through; color: var(--ink-3); }

.kanban-card.done { opacity: 0.55; }
.kanban-card.done .kan-card-title { text-decoration: line-through; color: var(--ink-3); }

.task-checkbox {
  width: 19px; height: 19px;
  border: 1.5px solid var(--border-2);
  border-radius: 6px; flex-shrink: 0;
  margin-top: 1px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--tr);
}
.task-checkbox:hover { border-color: var(--primary); }
.task-checkbox.checked { background: var(--primary); border-color: var(--primary); color: var(--primary-fg, #000); }

.task-content { flex: 1; min-width: 0; }
.task-title { font-size: 14px; font-weight: 400; color: var(--ink); margin-bottom: 5px; }
.task-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

.task-actions { display: flex; gap: 3px; opacity: 0; transition: opacity var(--tr); }
.task-item:hover .task-actions { opacity: 1; }

/* Kanban */
.kanban-board { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.kanban-column {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px;
  min-height: 280px;
}
.kanban-col-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.kanban-col-title { font-size: 12.5px; font-weight: 600; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.kanban-col-count {
  font-size: 10px; background: var(--border);
  color: var(--ink-3); padding: 1px 7px;
  border-radius: var(--r-pill);
}
.kanban-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 11px 12px; margin-bottom: 7px;
  cursor: pointer;
  transition: all var(--tr);
}
.kanban-card:hover { border-color: var(--border-2); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* Matrix */
.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 10px;
}
.matrix-quadrant {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px;
  min-height: 220px;
  overflow-y: auto;
}
.matrix-q1 { background: rgba(244,63,94,0.04);  border-color: rgba(244,63,94,0.18); }
.matrix-q2 { background: rgba(16,185,129,0.04); border-color: rgba(16,185,129,0.18); }
.matrix-q3 { background: rgba(245,158,11,0.04); border-color: rgba(245,158,11,0.18); }
.matrix-q4 { background: rgba(124,133,245,0.04);border-color: rgba(124,133,245,0.18); }
.matrix-quadrant-header { font-size: 12px; font-weight: 600; margin-bottom: 10px; display: flex; align-items: center; gap: 5px; }

/* ================================================================
   HABITS
   ================================================================ */
.habit-item {
  display: flex; align-items: center; gap: 13px;
  padding: 15px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: 9px;
  transition: border-color var(--tr);
}
.habit-item:hover { border-color: var(--border-2); }

.habit-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.habit-info { flex: 1; min-width: 0; }
.habit-name { font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 3px; }
.habit-streak { font-size: 12px; color: var(--ink-3); display: flex; align-items: center; gap: 4px; }
.habit-streak-count { color: var(--amber); font-weight: 600; }

.habit-calendar { display: flex; gap: 3px; align-items: center; }
.habit-day { width: 21px; height: 21px; border-radius: 5px; border: 1.5px solid var(--border); transition: all var(--tr); }

.habit-check-today {
  width: 32px; height: 32px;
  border-radius: var(--r-md);
  border: 1.5px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--tr); color: var(--ink-3);
  flex-shrink: 0;
}
.habit-check-today:hover { border-color: var(--primary); color: var(--primary); }
.habit-check-today.done { background: var(--primary); border-color: var(--primary); color: var(--primary-fg, #000); }

/* ================================================================
   WORKOUTS
   ================================================================ */
.workout-session {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 17px 18px;
  margin-bottom: 10px;
  transition: border-color var(--tr);
}
.workout-session:hover { border-color: var(--border-2); }
.workout-name { font-size: 15px; font-weight: 500; color: var(--ink); }
.workout-date { font-size: 12px; color: var(--ink-3); margin-top: 2px; }

.exercise-table { width: 100%; margin-top: 10px; border-collapse: collapse; }
.exercise-table th, .exercise-table td {
  text-align: left; padding: 6px 8px;
  font-size: 12px;
}
.exercise-table th { color: var(--ink-4); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--border); }
.exercise-table td { color: var(--ink-2); border-bottom: 1px solid rgba(255,255,255,0.04); }
.exercise-table tr:last-child td { border-bottom: none; }

.exercise-row {
  display: grid;
  grid-template-columns: 1fr 72px 72px 90px 32px;
  gap: 8px; align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.exercise-row:last-child { border-bottom: none; }
.exercise-header { font-size: 11px; font-weight: 600; color: var(--ink-4); text-transform: uppercase; letter-spacing: 0.05em; }

/* ================================================================
   FINANCE
   ================================================================ */
.finance-summary {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 12px; margin-bottom: 20px;
}
.finance-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
}
.finance-card-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); margin-bottom: 8px; }
.finance-card-amount { font-size: 24px; font-weight: 600; line-height: 1; }
.finance-card-amount.positive { color: var(--emerald); }
.finance-card-amount.negative { color: var(--rose); }
.finance-card-amount.neutral  { color: var(--ink); }

.transaction-item {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  transition: background var(--tr);
  border-radius: var(--r-sm);
}
.transaction-item:hover { background: rgba(255,255,255,0.03); }

.transaction-icon {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.transaction-info { flex: 1; min-width: 0; }
.transaction-desc { font-size: 13.5px; color: var(--ink); margin-bottom: 2px; }
.transaction-cat  { font-size: 11px; color: var(--ink-3); }
.transaction-amount { font-size: 14px; font-weight: 600; }
.transaction-amount.income  { color: var(--emerald); }
.transaction-amount.expense { color: var(--rose); }
.habit-day.done { opacity: 1 !important; border-color: transparent !important; }

/* Habit Analytics View */
.habits-analytics-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 900px) {
  .habits-analytics-layout { grid-template-columns: 1fr; }
}

/* Donut Chart */
.donut-card {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.donut-wrapper {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 10px 0;
}
.donut-chart {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(var(--border) 0% 100%);
  transition: background 0.5s ease;
}
.donut-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 110px;
  height: 110px;
  background: var(--surface);
  border-radius: 50%;
}
.donut-legend {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 20px;
}
.donut-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--ink-2);
}
.donut-legend-color {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

/* Heatmap Grid */
.heatmap-container {
  overflow-x: auto;
  padding-bottom: 10px;
}
.heatmap-months {
  display: flex;
  margin-left: 30px;
  margin-bottom: 5px;
  font-size: 10px;
  color: var(--ink-3);
  position: relative;
}
.heatmap-months > div {
  position: absolute;
}
.heatmap-body {
  display: flex;
  gap: 8px;
}
.heatmap-days-labels {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 9px;
  color: var(--ink-3);
}
.heatmap-grid {
  display: grid;
  grid-template-rows: repeat(7, 12px);
  grid-auto-flow: column;
  grid-auto-columns: 12px;
  gap: 3px;
}
.heatmap-cell {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--border);
  transition: transform 0.1s, opacity 0.2s;
  cursor: default;
}
.heatmap-cell:hover {
  transform: scale(1.2);
  z-index: 10;
  box-shadow: var(--shadow-sm);
}
.heatmap-cell.active {
  background: var(--emerald);
}

/* ================================================================
   STUDIES
   ================================================================ */
.topic-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 17px 18px;
  margin-bottom: 10px;
  transition: all var(--tr);
  cursor: default;
}
.topic-card:hover { border-color: var(--border-2); }
.topic-header { display: flex; align-items: center; justify-content: flex-start; gap: 8px; margin-bottom: 8px; }
.topic-name { font-size: 15px; font-weight: 500; color: var(--ink); display: flex; align-items: center; gap: 7px; }
.topic-time { font-size: 12px; color: var(--ink-3); display: flex; align-items: center; gap: 4px; }

.topic-progress-bar { height: 3px; background: var(--border); border-radius: var(--r-pill); overflow: hidden; margin-top: 8px; }
.topic-progress-fill { height: 100%; border-radius: var(--r-pill); transition: width var(--tr-lg); }

/* Study session floating panel */
.study-panel {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
  padding: 18px 20px;
  width: 270px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  animation: fadeUp 0.3s var(--ease-spring);
}

/* ================================================================
   FLOW / POMODORO
   ================================================================ */
.flow-container { max-width: 520px; margin: 0 auto; text-align: center; }

.flow-timer {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  margin: 24px auto;
}
.flow-timer svg { transform: rotate(-90deg); }

.flow-timer-display {
  position: absolute; text-align: center;
}
.flow-timer-time {
  font-family: var(--font-serif);
  font-size: 52px; font-weight: 400;
  color: var(--ink); line-height: 1; letter-spacing: -0.02em;
}
.flow-timer-label {
  font-size: 11px; color: var(--ink-3);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-top: 6px;
}

.flow-controls {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; margin-bottom: 24px;
}
.flow-btn-main {
  width: 54px; height: 54px;
  border-radius: var(--r-pill);
  background: var(--emerald); color: #000;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--tr); border: none;
}
.flow-btn-main:hover { transform: scale(1.06); box-shadow: 0 4px 22px rgba(16,185,129,0.45); }

.flow-sessions { display: flex; align-items: center; justify-content: center; gap: 7px; margin-bottom: 22px; }
.flow-session-dot {
  width: 8px; height: 8px; border-radius: var(--r-pill);
  background: var(--border-2); transition: all var(--tr);
}
.flow-session-dot.done { background: var(--primary); }

/* ================================================================
   PLANNER
   ================================================================ */
.planner-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 10px; flex-wrap: wrap; }
.planner-nav { display: flex; align-items: center; gap: 8px; }
.planner-week-label { font-size: 15px; font-weight: 500; color: var(--ink); min-width: 210px; text-align: center; }

.planner-grid {
  display: grid;
  grid-template-columns: 56px repeat(7,1fr);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}
.planner-day-header {
  padding: 10px 6px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  font-size: 12px; font-weight: 500; color: var(--ink-2);
}
.planner-day-header:last-child { border-right: none; }
.planner-day-header.today { color: var(--primary); }

.planner-time-label {
  padding: 5px 7px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  font-size: 10.5px; color: var(--ink-4);
  text-align: right;
}
.planner-slot {
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  height: 46px;
  cursor: pointer;
  transition: background var(--tr);
  position: relative; padding: 2px;
}
.planner-slot:hover { background: rgba(255,255,255,0.02); }
.planner-slot:last-child { border-right: none; }

.planner-event {
  border-radius: 4px;
  padding: 2px 5px;
  font-size: 10.5px; font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  cursor: pointer; margin-bottom: 1px;
}
.planner-event.gcal {
  background: rgba(26,115,232,0.18);
  border-left: 2px solid #4a9ef7;
  color: #6ab0f8;
}

.gcal-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 12.5px;
}

/* ================================================================
   CHART CONTAINERS
   ================================================================ */
.chart-wrap { position: relative; width: 100%; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 860px) {
  .view { padding: 18px 16px 100px; }

  .sidebar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    width: 100%; min-width: 100%; height: auto;
    flex-direction: row;
    border-right: none; border-top: 1px solid var(--border);
    padding: 6px 4px;
    z-index: 100;
  }
  .sidebar-logo { display: none; }
  .sidebar-nav {
    flex-direction: row; overflow-x: auto;
    justify-content: space-around; padding: 0; gap: 0;
    flex: 1;
  }
  .sidebar-nav::-webkit-scrollbar { display: none; }
  .nav-group-label { display: none; }
  .nav-item {
    flex-direction: column; gap: 2px;
    padding: 6px 8px; font-size: 9.5px;
    border-radius: var(--r-sm); min-width: 50px;
    align-items: center; flex-shrink: 0;
  }
  .nav-badge { display: none; }
  .sidebar-bottom { display: none; }

  .main { height: calc(100vh - 68px); }
  .app { flex-direction: column-reverse; }

  .dashboard-grid   { grid-template-columns: 1fr; }
  .finance-summary  { grid-template-columns: 1fr; }
  .kanban-board     { grid-template-columns: 1fr; }
  .matrix-grid      { grid-template-columns: 1fr; }
  .stats-grid       { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 500px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .finance-summary { grid-template-columns: 1fr; }
}

/* ================================================================
   UTILITY CLASSES
   ================================================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.flex-1 { flex: 1; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.ink-2 { color: var(--ink-2); }
.ink-3 { color: var(--ink-3); }
.font-500 { font-weight: 500; }
.font-600 { font-weight: 600; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.w-full { width: 100%; }
.serif { font-family: var(--font-serif); }

/* ================================================================
   AUTH — landing / registro / inicio de sesión
   ================================================================ */
.auth { display: none; position: fixed; inset: 0; z-index: 500; background: var(--bg); overflow-y: auto; transition: opacity 0.22s var(--ease); }
html.no-session .auth { display: flex; }
html.no-session .app { display: none; }
.auth.leaving { opacity: 0; pointer-events: none; }

.auth-side {
  flex: 1.1;
  position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 40px 56px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow: hidden;
}
.auth-side::before, .auth-side::after {
  content: ''; position: absolute; border-radius: 50%; pointer-events: none;
}
.auth-side::before {
  width: 560px; height: 560px; top: -200px; right: -200px;
  background: radial-gradient(circle, var(--primary-dim), transparent 68%);
}
.auth-side::after {
  width: 420px; height: 420px; bottom: -180px; left: -140px;
  background: radial-gradient(circle, var(--indigo-dim), transparent 68%);
}

.auth-brand { position: relative; display: flex; align-items: center; gap: 10px; }
.auth-hero  { position: relative; max-width: 480px; }
.auth-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(42px, 5.2vw, 68px);
  font-weight: 400; line-height: 1.04; letter-spacing: -0.03em;
  color: var(--ink);
}
.auth-hero-title em { color: var(--primary); font-style: italic; }
.auth-hero-sub { margin-top: 18px; font-size: 15px; line-height: 1.65; color: var(--ink-2); max-width: 390px; }
.auth-features { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.auth-feature {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--border-2); border-radius: var(--r-pill);
  background: var(--surface-2);
  font-size: 12px; color: var(--ink-2);
}
.auth-feature i { color: var(--primary); }
.auth-foot { position: relative; display: flex; align-items: center; gap: 7px; font-size: 11.5px; color: var(--ink-3); }

.auth-main {
  flex: 1;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  padding: 56px 24px;
}
.auth-lang { position: absolute; top: 18px; right: 22px; }
.auth-card { width: 100%; max-width: 380px; animation: fadeUp 0.3s var(--ease-out); }
.auth-brand-m { display: none; margin-bottom: 26px; }

.auth-tabs { width: 100%; margin-bottom: 28px; }
.auth-tabs .tab-btn, .auth-theme-toggle .tab-btn { flex: 1; justify-content: center; }
.auth-theme-toggle { width: 100%; }

.auth-panel { display: block; animation: fadeUp 0.25s var(--ease-out); }
.auth-title { font-family: var(--font-serif); font-size: 30px; font-weight: 400; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 4px; }
.auth-sub   { font-size: 13px; color: var(--ink-3); margin-bottom: 22px; }

.auth-steps { display: flex; gap: 6px; margin-bottom: 22px; }
.auth-step  { flex: 1; height: 3px; border-radius: var(--r-pill); background: var(--border-2); transition: background var(--tr-md); }
.auth-step.active { background: var(--primary); }

.auth-error {
  display: none;
  margin-bottom: 14px; padding: 9px 12px;
  border-radius: var(--r-sm);
  background: var(--rose-dim); color: var(--rose);
  font-size: 12.5px;
}
.auth-error.show { display: block; }

.auth-pw { position: relative; }
.auth-pw .input { padding-right: 42px; }
.auth-pw-toggle {
  position: absolute; right: 7px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-3); transition: var(--tr);
}
.auth-pw-toggle:hover { color: var(--ink); background: var(--border); }

.auth-submit { width: 100%; padding: 11px 16px; margin-top: 6px; }
.auth-actions { display: flex; gap: 10px; margin-top: 8px; }
.auth-actions .btn { padding: 11px 16px; }

.auth-switch { margin-top: 20px; text-align: center; font-size: 12.5px; color: var(--ink-3); }
.auth-link { color: var(--primary); font-weight: 500; font-size: inherit; padding: 0; }
.auth-link:hover { text-decoration: underline; }

.swatches { display: flex; gap: 14px; padding: 4px 3px; }
.swatch {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--sw);
  outline: 2px solid transparent; outline-offset: 3px;
  transition: var(--tr);
}
.swatch:hover { transform: scale(1.08); }
.swatch.active { outline-color: var(--sw); }

@media (max-width: 860px) {
  .auth { flex-direction: column; }
  .auth-side { display: none; }
  .auth-main { padding: 40px 20px; min-height: 100%; }
  .auth-brand-m { display: flex; }
}

/* Usuario en la barra lateral */
.sidebar-user {
  display: none;
  align-items: center; gap: 10px;
  padding: 8px 10px 12px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.sidebar-user-avatar {
  width: 30px; height: 30px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary-dim); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600;
}
.sidebar-user-info { min-width: 0; }
.sidebar-user-name  { font-size: 12.5px; font-weight: 500; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-email { font-size: 10.5px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ================================================================
   AMBIENT — estética de la pantalla de acceso aplicada a toda la app
   (resplandores difusos, superficies de vidrio, píldoras, serif itálica)
   ================================================================ */
:root { --glass: var(--surface); --glass-strong: var(--surface); }
@supports (background: color-mix(in srgb, red 50%, transparent)) {
  :root {
    --glass:        color-mix(in srgb, var(--surface) 68%, transparent);
    --glass-strong: color-mix(in srgb, var(--surface) 90%, transparent);
  }
}

/* Fondo con resplandores */
.app { position: relative; isolation: isolate; background: var(--bg); }
.app::before, .app::after {
  content: ''; position: absolute; z-index: -1;
  border-radius: 50%; pointer-events: none;
}
.app::before {
  width: 720px; height: 720px; top: -260px; right: -220px;
  background: radial-gradient(circle, var(--primary-dim), transparent 68%);
}
.app::after {
  width: 560px; height: 560px; bottom: -240px; left: 120px;
  background: radial-gradient(circle, var(--indigo-dim), transparent 68%);
}
.main { background: transparent; }

/* Barra lateral de vidrio */
.sidebar {
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px); backdrop-filter: blur(22px);
}
.sidebar::before {
  content: ''; position: absolute; z-index: -1; pointer-events: none;
  width: 320px; height: 320px; top: -140px; left: -120px; border-radius: 50%;
  background: radial-gradient(circle, var(--primary-dim), transparent 70%);
}
.nav-item.active { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 24%, transparent); }

/* Tarjetas y paneles de vidrio */
.card, .stat-card, .finance-card, .kanban-column, .task-item, .habit-item,
.workout-session, .topic-card, .planner-grid, .gcal-pill, .view-toggle, .study-panel {
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.card:hover, .habit-item:hover, .workout-session:hover, .topic-card:hover { border-color: var(--border-2); }

/* Modales y avisos */
.modal {
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
}
.modal-overlay { background: rgba(0,0,0,0.5); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.toast { background: var(--glass-strong); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }

/* Titulares serif con acento itálico */
.greeting-text { font-size: clamp(30px, 4.6vw, 48px); line-height: 1.08; letter-spacing: -0.03em; }
.greeting-text .name-accent { font-style: italic; }
.page-title { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -0.03em; }

/* Reloj / fecha como píldora */
.greeting-time {
  display: inline-flex; padding: 6px 12px; margin-bottom: 14px;
  border: 1px solid var(--border-2); border-radius: var(--r-pill);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}

/* Botón principal con halo suave */
.btn-primary { box-shadow: 0 8px 24px -12px var(--primary); }
.btn-primary:hover { box-shadow: 0 10px 28px -10px var(--primary); }

/* Resplandor detrás del temporizador */
.flow-timer::before {
  content: ''; position: absolute; width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, var(--primary-dim), transparent 68%);
  pointer-events: none; z-index: -1;
}
.flow-timer { isolation: isolate; }

@media (max-width: 860px) {
  .app::before { width: 460px; height: 460px; top: -180px; right: -180px; }
  .app::after  { width: 380px; height: 380px; bottom: -160px; left: -140px; }
}

/* ================================================================
   LOGO — marca alineada (D serif itálica + wordmark)
   ================================================================ */
.sidebar-logo, .auth-brand { align-items: center; gap: 11px; }

.sidebar-logo-mark {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-dim);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 28%, transparent);
  color: var(--primary);
  font-size: 22px; font-weight: 400; line-height: 1;
}
.sidebar-logo-mark .logo-r {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 400;
  font-size: 24px; line-height: 1;
  display: block; position: relative; top: 1px; left: -0.5px;
}

.sidebar-logo-text {
  font-family: var(--font-serif);
  font-size: 23px; font-weight: 400; line-height: 1;
  letter-spacing: 0.06em;
  color: var(--ink);
  display: flex; align-items: center;
  height: 34px; padding-top: 2px;
}

/* ================================================================
   SIDEBAR CONTRAÍBLE
   ================================================================ */
.sidebar-toggle {
  margin-left: auto; flex-shrink: 0;
  width: 28px; height: 28px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-3); transition: var(--tr);
}
.sidebar-toggle:hover { background: var(--border); color: var(--ink); }

@media (min-width: 861px) {
  .app.ready .sidebar { transition: width 0.25s var(--ease), min-width 0.25s var(--ease); }

  .app.collapsed .sidebar { width: 72px; min-width: 72px; }

  /* Logo: solo la marca, con el botón debajo */
  .app.collapsed .sidebar-logo { flex-direction: column; justify-content: center; gap: 10px; padding: 16px 0 12px; }
  .app.collapsed .sidebar-logo-text { display: none; }
  .app.collapsed .sidebar-toggle { margin-left: 0; }

  /* Navegación: solo íconos */
  .app.collapsed .sidebar-nav { padding: 10px 9px; }
  .app.collapsed .nav-item { position: relative; justify-content: center; gap: 0; padding: 11px 0; }
  .app.collapsed .nav-item > span:not(.nav-icon):not(.nav-badge) { display: none; }
  .app.collapsed .nav-badge { position: absolute; top: 3px; right: 6px; margin: 0; font-size: 9px; padding: 0 5px; }
  .app.collapsed .nav-group-label {
    font-size: 0; height: 1px; padding: 0; margin: 10px 14px 8px;
    background: var(--border);
  }
  .app.collapsed .nav-group-label:first-child { display: none; }

  /* Usuario: solo avatar */
  .app.collapsed .sidebar-bottom { padding: 10px 9px 12px; }
  .app.collapsed .sidebar-user { justify-content: center; padding: 8px 0 12px; }
  .app.collapsed .sidebar-user-info { display: none; }
}

@media (max-width: 860px) {
  .sidebar-toggle { display: none; }
}

/* ================================================================
   CONFIGURACIÓN CON PESTAÑAS
   ================================================================ */
.settings-modal { width: 760px; padding: 22px 24px 26px; }
.settings-layout { display: grid; grid-template-columns: 170px 1fr; gap: 26px; min-height: 400px; }

.settings-tabs { display: flex; flex-direction: column; gap: 3px; }
.settings-tab {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--r-md);
  font-size: 13px; color: var(--ink-2); text-align: left;
  transition: var(--tr);
}
.settings-tab:hover { background: var(--border); color: var(--ink); }
.settings-tab.active {
  background: var(--primary-dim); color: var(--primary); font-weight: 500;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 24%, transparent);
}

.settings-body { min-width: 0; }
.settings-pane { display: none; }
.settings-pane.active { display: block; animation: fadeUp 0.22s var(--ease-out); }

.settings-section-title {
  font-size: 11px; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 12px;
}
.settings-divider { height: 1px; background: var(--border); margin: 22px 0; }
.settings-inline { display: flex; gap: 8px; }
.settings-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.settings-row-title { font-size: 13.5px; color: var(--ink); }
.settings-row-sub   { font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.settings-note {
  padding: 14px; border-radius: var(--r-md);
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: 12px; color: var(--ink-3); line-height: 1.6;
}
.settings-note-title { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }

.set-profile { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.set-avatar {
  width: 54px; height: 54px; flex-shrink: 0; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-dim); color: var(--primary);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 28%, transparent);
  font-family: var(--font-serif); font-style: italic; font-size: 26px; line-height: 1;
}
.set-profile-name  { font-family: var(--font-serif); font-size: 24px; letter-spacing: -0.02em; color: var(--ink); line-height: 1.1; }
.set-profile-email { font-size: 12.5px; color: var(--ink-3); margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

@media (max-width: 700px) {
  .settings-layout { grid-template-columns: 1fr; gap: 16px; min-height: 0; }
  .settings-tabs { flex-direction: row; overflow-x: auto; gap: 4px; padding-bottom: 4px; }
  .settings-tab { white-space: nowrap; }
}

/* En móvil la barra inferior conserva solo el acceso a Configuración */
@media (max-width: 860px) {
  .sidebar-bottom { display: flex; padding: 0; border: none; }
}

/* ================================================================
   FOTO DE PERFIL
   ================================================================ */
.set-avatar, .greeting-avatar {
  width: 64px; height: 64px; flex-shrink: 0; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background-color: var(--av-dim, var(--primary-dim));
  color: var(--av, var(--primary));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--av, var(--primary)) 28%, transparent);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  font-family: var(--font-serif); font-style: italic; font-size: 30px; line-height: 1;
  overflow: hidden;
}
.set-avatar.has-photo, .greeting-avatar.has-photo { color: transparent; box-shadow: 0 0 0 1px var(--border-2); }

.set-avatar-wrap { position: relative; flex-shrink: 0; cursor: pointer; }
.set-avatar-badge {
  position: absolute; right: -3px; bottom: -3px;
  width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-3); color: var(--ink-2);
  border: 2px solid var(--surface);
  transition: var(--tr);
}
.set-avatar-wrap:hover .set-avatar-badge { background: var(--primary); color: var(--primary-fg, #fff); }

.swatch-auto {
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-3); color: var(--ink-2); --sw: var(--ink-3);
}

.dashboard-greeting { display: flex; align-items: center; gap: 18px; }
.greeting-avatar { width: 68px; height: 68px; font-size: 32px; cursor: pointer; transition: var(--tr); }
.greeting-avatar:hover { transform: scale(1.04); }
.greeting-main { min-width: 0; }
@media (max-width: 500px) { .greeting-avatar { width: 52px; height: 52px; font-size: 24px; } .dashboard-greeting { gap: 12px; } }

/* ================================================================
   SELECTOR DE DÍAS (hábitos)
   ================================================================ */
.day-picker { display: flex; gap: 6px; flex-wrap: wrap; }
.day-chip {
  min-width: 46px; padding: 8px 0; text-align: center;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-2);
  font-size: 12px; font-weight: 500; color: var(--ink-3);
  transition: var(--tr);
}
.day-chip:hover { color: var(--ink); border-color: var(--border-3); }
.day-chip.active {
  background: var(--primary-dim); color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
}
.day-presets { display: flex; gap: 4px; margin-top: 8px; flex-wrap: wrap; }

/* ================================================================
   SEGUIMIENTO MENSUAL DE HÁBITOS (Analytics)
   ================================================================ */
.ht-card { background: var(--surface); }
.ht-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.ht-nav { display: flex; align-items: center; gap: 4px; }
.ht-month { font-family: var(--font-serif); font-size: 20px; letter-spacing: -0.02em; color: var(--ink); min-width: 150px; text-align: center; }

.ht-wrap { overflow-x: auto; padding-bottom: 8px; }
.ht-wrap::-webkit-scrollbar { height: 4px; }
.ht-wrap::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

.ht-grid {
  display: grid;
  grid-template-columns: 150px repeat(var(--n), 24px) 168px;
  row-gap: 6px; align-items: center;
  min-width: max-content;
}
.ht-first { position: sticky; left: 0; z-index: 2; background: var(--surface); align-self: stretch; }

.ht-week { text-align: center; font-size: 10px; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-3); }

.ht-day { display: flex; flex-direction: column; align-items: center; gap: 1px; font-size: 9px; color: var(--ink-4); }
.ht-day b {
  width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; font-weight: 500; color: var(--ink-3);
}
.ht-day.today b { background: var(--primary); color: var(--primary-fg, #fff); }

.ht-rowlabel { display: flex; align-items: flex-end; font-size: 11px; color: var(--ink-3); padding-bottom: 2px; }
.ht-bar-cell { height: 64px; display: flex; align-items: flex-end; justify-content: center; }
.ht-bar {
  width: 7px; border-radius: 4px; background: var(--primary); opacity: 0.85;
  transition: height 0.4s var(--ease);
}
.ht-bar.zero  { opacity: 0.25; }
.ht-bar.today { opacity: 1; box-shadow: 0 0 14px -2px var(--primary); }
.ht-sum { display: flex; flex-direction: column; align-items: flex-end; justify-content: flex-end; padding-right: 4px; height: 64px; }
.ht-sum b { font-family: var(--font-serif); font-size: 26px; font-weight: 400; line-height: 1; color: var(--ink); }
.ht-sum span { font-size: 10px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.08em; }

.ht-week-pct { margin: 0 4px 8px; padding-top: 5px; border-top: 1px solid var(--border-2); text-align: center; font-size: 10px; color: var(--ink-3); min-height: 20px; }

.ht-name {
  display: flex; align-items: center;
  font-size: 13px; color: var(--ink); padding-right: 12px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  cursor: pointer; transition: color var(--tr);
}
.ht-name:hover { color: var(--primary); }

.ht-cell {
  width: 18px; height: 18px; justify-self: center;
  border-radius: 6px; border: 1.5px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-fg, #fff);
  cursor: pointer; transition: var(--tr);
}
.ht-cell.due:hover { border-color: var(--primary); }
.ht-cell.done { background: var(--primary); border-color: var(--primary); }
.ht-cell.off:not(.done) { border-style: dashed; border-color: var(--border); opacity: 0.45; }
.ht-cell.future { cursor: default; opacity: 0.35; }
.ht-cell.future.off { opacity: 0.2; }
.ht-cell.future:hover { border-color: var(--border-2); }

.ht-end { display: flex; align-items: center; gap: 10px; padding-left: 14px; }
.ht-seg { display: flex; gap: 2px; }
.ht-seg i { width: 7px; height: 16px; border-radius: 2.5px; background: var(--border-2); }
.ht-seg i.on { background: var(--primary); }
.ht-count { min-width: 22px; text-align: right; font-size: 13px; font-weight: 600; color: var(--ink); }


/* ================================================================
   PALETA AMPLIADA DE COLORES DE ACENTO
   (black = monocromo: blanco en tema oscuro, negro en tema claro)
   ================================================================ */
:root {
  --red: #ef4444; --red-dim: rgba(239,68,68,0.14);
  --orange: #f97316; --orange-dim: rgba(249,115,22,0.14);
  --brown: #b08968; --brown-dim: rgba(176,137,104,0.14);
  --lime: #84cc16; --lime-dim: rgba(132,204,22,0.14);
  --teal: #14b8a6; --teal-dim: rgba(20,184,166,0.14);
  --cyan: #06b6d4; --cyan-dim: rgba(6,182,212,0.14);
  --purple: #a855f7; --purple-dim: rgba(168,85,247,0.14);
  --fuchsia: #d946ef; --fuchsia-dim: rgba(217,70,239,0.14);
  --pink: #ec4899; --pink-dim: rgba(236,72,153,0.14);
  --gray: #9ca3af; --gray-dim: rgba(156,163,175,0.14);
  --black: #f1f3f4; --black-dim: rgba(241,243,244,0.14);
}
:root[data-theme="light"] {
  --red: #dc2626; --red-dim: rgba(220,38,38,0.12);
  --orange: #ea580c; --orange-dim: rgba(234,88,12,0.12);
  --brown: #8b5e3c; --brown-dim: rgba(139,94,60,0.12);
  --lime: #65a30d; --lime-dim: rgba(101,163,13,0.12);
  --teal: #0d9488; --teal-dim: rgba(13,148,136,0.12);
  --cyan: #0891b2; --cyan-dim: rgba(8,145,178,0.12);
  --purple: #9333ea; --purple-dim: rgba(147,51,234,0.12);
  --fuchsia: #c026d3; --fuchsia-dim: rgba(192,38,211,0.12);
  --pink: #db2777; --pink-dim: rgba(219,39,119,0.12);
  --gray: #6b7280; --gray-dim: rgba(107,114,128,0.12);
  --black: #111111; --black-dim: rgba(17,17,17,0.12);
}

.swatches { flex-wrap: wrap; gap: 12px; }
.swatch-custom {
  display: block; position: relative; cursor: pointer;
  background: conic-gradient(#ef4444, #f59e0b, #84cc16, #14b8a6, #3b82f6, #a855f7, #ec4899, #ef4444);
}
.swatch-custom input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.nav-badge { color: var(--primary-fg, #000); }

/* Azul marino (#002F7A) — acento por defecto. En tema oscuro se aclara para mantener contraste */
:root { --marine: #447ee4; --marine-dim: rgba(68,126,228,0.16); }
:root[data-theme="light"] { --marine: #002f7a; --marine-dim: rgba(0,47,122,0.12); }

/* Editor de foto de perfil */
.avatar-editor-preview { display: flex; justify-content: center; margin-bottom: 22px; }
.avatar-editor-preview .set-avatar { width: 92px; height: 92px; font-size: 42px; }