/* ═══════════════════════════════════════════════════════
   NexOS — AI Productivity OS
   Aesthetic: Dark Glassmorphism + Neon Accents + Geometric
   Fonts: Syne (display) + Outfit (body) + JetBrains Mono (data)
═══════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-void: #05050a;
  --bg-deep: #0a0a12;
  --bg-surface: #0f0f1a;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --bg-card-active: rgba(255,255,255,0.09);
  --glass: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.08);
  --glass-border-hover: rgba(255,255,255,0.15);

  --accent-violet: #a78bfa;
  --accent-cyan: #22d3ee;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-blue: #3b82f6;

  --neon-violet: #c4b5fd;
  --neon-cyan: #67e8f9;

  --text-primary: #f0f0ff;
  --text-secondary: rgba(240,240,255,0.55);
  --text-muted: rgba(240,240,255,0.3);

  --font-display: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --sidebar-w: 220px;
  --topbar-h: 60px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-theme {
  --bg-void: #f0f2f8;
  --bg-deep: #e8eaf4;
  --bg-surface: #ffffff;
  --bg-card: rgba(0,0,0,0.03);
  --bg-card-hover: rgba(0,0,0,0.05);
  --bg-card-active: rgba(0,0,0,0.07);
  --glass: rgba(255,255,255,0.7);
  --glass-border: rgba(0,0,0,0.08);
  --glass-border-hover: rgba(0,0,0,0.15);
  --text-primary: #1a1a2e;
  --text-secondary: rgba(26,26,46,0.6);
  --text-muted: rgba(26,26,46,0.35);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-void);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ══════════════════════════════ AMBIENT BACKGROUND ══════════════════════════════ */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: orbFloat 20s ease-in-out infinite;
}
.orb-1 { width: 600px; height: 600px; top: -200px; left: -100px; background: var(--accent-violet); animation-delay: 0s; }
.orb-2 { width: 500px; height: 500px; bottom: -150px; right: -100px; background: var(--accent-cyan); animation-delay: -7s; }
.orb-3 { width: 400px; height: 400px; top: 40%; left: 50%; background: var(--accent-emerald); animation-delay: -14s; opacity: 0.07; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(167,139,250,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167,139,250,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ══════════════════════════════ LAYOUT ══════════════════════════════ */
#app {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ══════════════════════════════ SIDEBAR ══════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: rgba(10,10,18,0.85);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: transform var(--transition-slow);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--glass-border);
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: white;
  letter-spacing: -1px;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  transition: all var(--transition);
  text-align: left;
  width: 100%;
  position: relative;
}
.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: linear-gradient(135deg, rgba(167,139,250,0.15), rgba(34,211,238,0.08));
  color: var(--accent-violet);
  border: 1px solid rgba(167,139,250,0.2);
}
.nav-item.active .nav-icon { color: var(--accent-violet); }

.nav-icon {
  font-size: 16px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.nav-label { flex: 1; }
.nav-badge {
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 500;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  color: white;
  padding: 2px 6px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.sidebar-footer {
  padding: 16px 16px 20px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: white;
  flex-shrink: 0;
}
.user-info { display: flex; flex-direction: column; }
.user-name { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.user-status { font-size: 11px; color: var(--accent-emerald); }

/* ══════════════════════════════ MAIN CONTENT ══════════════════════════════ */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ══════════════════════════════ TOPBAR ══════════════════════════════ */
.topbar {
  height: var(--topbar-h);
  background: rgba(10,10,18,0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }

.menu-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  display: none;
}

.breadcrumb {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.clock {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.btn-icon {
  background: none;
  border: 1px solid var(--glass-border);
  color: var(--accent-violet);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: all var(--transition);
}
.btn-icon:hover { background: var(--bg-card-hover); border-color: var(--accent-violet); }

.theme-toggle {
  cursor: pointer;
  font-size: 18px;
  color: var(--text-secondary);
  transition: color var(--transition);
  user-select: none;
}
.theme-toggle:hover { color: var(--accent-violet); }

/* ══════════════════════════════ VIEWS ══════════════════════════════ */
.view-container { flex: 1; padding: 28px 28px 40px; max-width: 1400px; }
.view { display: none; animation: viewIn 0.3s ease; }
.view.active { display: block; }

@keyframes viewIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  gap: 16px;
}

.view-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -1px;
}

.view-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ══════════════════════════════ BUTTONS ══════════════════════════════ */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  color: white;
  border: none;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(167,139,250,0.3); }

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-outline:hover { border-color: var(--glass-border-hover); color: var(--text-primary); }

.btn-sm {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-sm:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.input-inline {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
  min-width: 180px;
}
.input-inline::placeholder { color: var(--text-muted); }
.input-inline:focus { border-color: var(--accent-violet); }

.select-inline {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* ══════════════════════════════ STATS GRID ══════════════════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-violet), var(--accent-cyan));
  opacity: 0;
  transition: opacity var(--transition);
}
.stat-card:hover { background: var(--bg-card-hover); border-color: var(--glass-border-hover); }
.stat-card:hover::before { opacity: 1; }

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-trend {
  font-size: 12px;
  color: var(--text-muted);
}
.stat-trend.up { color: var(--accent-emerald); }

/* ══════════════════════════════ DASHBOARD WIDGETS ══════════════════════════════ */
.dashboard-widgets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
  margin-bottom: 20px;
}

.widget {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.widget:hover { border-color: var(--glass-border-hover); }

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.widget-header h3 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.2px;
}

.dash-list { display: flex; flex-direction: column; gap: 8px; }

.empty-state {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  padding: 20px 0;
}

.dash-task-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
  border-left: 3px solid var(--glass-border);
  transition: all var(--transition);
}
.dash-task-item.priority-high { border-left-color: var(--accent-rose); }
.dash-task-item.priority-medium { border-left-color: var(--accent-amber); }
.dash-task-item.priority-low { border-left-color: var(--accent-emerald); }
.dash-task-item:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.dash-habit-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
}
.dash-habit-item:last-child { border-bottom: none; }
.habit-streak-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  background: rgba(167,139,250,0.1);
  color: var(--accent-violet);
}

.dash-note-item {
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
  cursor: pointer;
  transition: color var(--transition);
}
.dash-note-item:last-child { border-bottom: none; }
.dash-note-item:hover { color: var(--text-primary); }
.dash-note-title { font-weight: 500; color: var(--text-primary); font-size: 13px; }
.dash-note-preview { font-size: 12px; color: var(--text-muted); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Mini Pomodoro */
.mini-timer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.mini-ring { position: relative; width: 100px; height: 100px; }
.mini-ring-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--glass-border); stroke-width: 6; }
.ring-fg {
  fill: none;
  stroke: url(#miniGrad);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 264;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

.mini-time {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
}

.mini-timer-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-round {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  border: none;
  color: white;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.btn-round:hover { transform: scale(1.1); box-shadow: 0 4px 15px rgba(167,139,250,0.4); }

.mini-session-label {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* AI Insight Bar */
.ai-insight-bar {
  background: linear-gradient(135deg, rgba(167,139,250,0.08), rgba(34,211,238,0.05));
  border: 1px solid rgba(167,139,250,0.2);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(8px);
}

.ai-insight-icon {
  font-size: 18px;
  color: var(--accent-violet);
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

#ai-insight-text {
  flex: 1;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ══════════════════════════════ KANBAN ══════════════════════════════ */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  min-height: 500px;
}

.kanban-col {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 400px;
}

.col-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--glass-border);
}
.col-header h3 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  flex: 1;
}

.col-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-todo { background: var(--text-muted); }
.dot-inprogress { background: var(--accent-violet); }
.dot-review { background: var(--accent-amber); }
.dot-done { background: var(--accent-emerald); }

.col-count {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-card-active);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: 20px;
}

.col-cards {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100px;
}

.col-cards.drag-over {
  background: rgba(167,139,250,0.05);
  border-radius: var(--radius-md);
}

.task-card {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: grab;
  transition: all var(--transition);
  position: relative;
}
.task-card:active { cursor: grabbing; }
.task-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.task-card.dragging { opacity: 0.5; transform: rotate(2deg); }

.task-card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.4;
}
.task-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.priority-chip {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.priority-high { background: rgba(244,63,94,0.15); color: var(--accent-rose); }
.priority-medium { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.priority-low { background: rgba(16,185,129,0.15); color: var(--accent-emerald); }

.task-card-actions {
  display: flex;
  gap: 4px;
}
.task-action-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 4px;
  transition: all var(--transition);
}
.task-action-btn:hover { color: var(--text-primary); background: var(--bg-card-hover); }

.task-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.task-due {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* ══════════════════════════════ POMODORO ══════════════════════════════ */
.pomodoro-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 28px;
  align-items: start;
}

.pomodoro-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.pomo-tabs {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 4px;
  gap: 4px;
}

.pomo-tab {
  padding: 8px 20px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.pomo-tab.active {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  color: white;
  box-shadow: 0 4px 15px rgba(167,139,250,0.3);
}

.pomo-ring-container {
  position: relative;
  width: 320px; height: 320px;
}

.pomo-svg { width: 100%; height: 100%; transform: rotate(-90deg); }

.pomo-ring-bg {
  fill: none;
  stroke: var(--glass-border);
  stroke-width: 10;
}
.pomo-ring-progress {
  fill: none;
  stroke: url(#ringGrad);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 879;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
  filter: drop-shadow(0 0 8px rgba(167,139,250,0.5));
}

.pomo-center-content {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.pomo-time {
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: -2px;
  line-height: 1;
}

.pomo-mode-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}

.pomo-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.pomo-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.pomo-btn:hover { border-color: var(--glass-border-hover); color: var(--text-primary); }

.pomo-play {
  width: 68px; height: 68px;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  border: none;
  color: white;
  font-size: 22px;
  box-shadow: 0 8px 30px rgba(167,139,250,0.4);
}
.pomo-play:hover { transform: scale(1.05); box-shadow: 0 12px 40px rgba(167,139,250,0.5); }

.pomo-sessions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.session-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--glass-border);
  transition: background var(--transition);
}
.session-dot.done { background: var(--accent-violet); }
.session-text {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.pomodoro-side { display: flex; flex-direction: column; gap: 16px; }

.pomo-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
}
.pomo-stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 4px; }
.pomo-stat-value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.pomo-settings {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
}
.pomo-settings h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}
.pomo-settings label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid var(--glass-border);
}
.pomo-settings label:last-child { border-bottom: none; }
.pomo-settings input[type="number"] {
  background: var(--bg-card-active);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  width: 60px;
  text-align: center;
}
.pomo-settings input[type="checkbox"] { accent-color: var(--accent-violet); }
.toggle-label { gap: 8px !important; justify-content: flex-start !important; }

/* ══════════════════════════════ HABITS ══════════════════════════════ */
.habits-week-header {
  display: grid;
  grid-template-columns: 200px repeat(7, 1fr);
  gap: 8px;
  margin-bottom: 8px;
  padding: 0 16px;
}
.week-day-label {
  text-align: center;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.habits-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 40px; }

.habit-row {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 200px repeat(7, 1fr) auto;
  gap: 8px;
  align-items: center;
  transition: all var(--transition);
}
.habit-row:hover { border-color: var(--glass-border-hover); }

.habit-name-cell { display: flex; align-items: center; gap: 8px; }
.habit-color-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.habit-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}
.habit-streak {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: 2px;
}

.habit-day-cell { display: flex; justify-content: center; }

.habit-check {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.habit-check.checked {
  border-color: transparent;
  color: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.habit-check:hover { transform: scale(1.1); }

.habit-delete-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  padding: 4px;
  border-radius: 4px;
  transition: all var(--transition);
}
.habit-delete-btn:hover { color: var(--accent-rose); }

/* Heatmap */
.heatmap-section { margin-top: 32px; }
.heatmap-section h3 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.heatmap-grid {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
}
.heatmap-week { display: flex; flex-direction: column; gap: 3px; }
.heatmap-cell {
  width: 12px; height: 12px;
  border-radius: 2px;
  background: var(--glass-border);
  transition: all var(--transition);
}
.heatmap-cell:hover { transform: scale(1.3); }
.heatmap-cell.h1 { background: rgba(167,139,250,0.2); }
.heatmap-cell.h2 { background: rgba(167,139,250,0.4); }
.heatmap-cell.h3 { background: rgba(167,139,250,0.65); }
.heatmap-cell.h4 { background: var(--accent-violet); }

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-muted);
}
.heat-0,.heat-1,.heat-2,.heat-3,.heat-4 { width: 12px; height: 12px; border-radius: 2px; }
.heat-0 { background: var(--glass-border); }
.heat-1 { background: rgba(167,139,250,0.2); }
.heat-2 { background: rgba(167,139,250,0.4); }
.heat-3 { background: rgba(167,139,250,0.65); }
.heat-4 { background: var(--accent-violet); }

.empty-state-lg {
  font-size: 15px;
  color: var(--text-muted);
  text-align: center;
  padding: 60px 20px;
}

/* ══════════════════════════════ NOTES ══════════════════════════════ */
.notes-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  height: calc(100vh - 220px);
  min-height: 500px;
}

.notes-sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notes-filter {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 4px;
}

.filter-btn {
  flex: 1;
  padding: 6px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn.active {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  color: white;
}

.notes-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
}

.note-list-item {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: pointer;
  transition: all var(--transition);
}
.note-list-item:hover, .note-list-item.active {
  background: var(--bg-card-hover);
  border-color: rgba(167,139,250,0.3);
}
.note-list-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.note-list-preview {
  font-size: 12px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.note-list-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.note-pin-icon { color: var(--accent-amber); }

.note-editor {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--glass-border);
  gap: 12px;
}

.note-title-field {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}
.note-title-field::placeholder { color: var(--text-muted); }

.editor-actions { display: flex; gap: 4px; }

.editor-btn {
  background: none;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.editor-btn:hover { background: var(--bg-card-hover); color: var(--text-primary); border-color: var(--glass-border-hover); }
.editor-btn.danger:hover { color: var(--accent-rose); border-color: var(--accent-rose); }

.note-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 16px;
  min-height: 38px;
  border-bottom: 1px solid var(--glass-border);
}

.note-tag {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(167,139,250,0.1);
  color: var(--accent-violet);
  border: 1px solid rgba(167,139,250,0.2);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-family: var(--font-mono);
  cursor: pointer;
}
.note-tag:hover { background: rgba(167,139,250,0.2); }

.note-textarea {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 20px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  resize: none;
  min-height: 300px;
}
.note-textarea::placeholder { color: var(--text-muted); }

.note-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-top: 1px solid var(--glass-border);
}
.note-footer span {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* ══════════════════════════════ ANALYTICS ══════════════════════════════ */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.analytics-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(8px);
}
.analytics-card.wide { grid-column: span 2; }
.analytics-card h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 16px;
}
.chart-wrap canvas { max-height: 100%; }

.donut-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.donut-leg-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}
.donut-leg-dot { width: 8px; height: 8px; border-radius: 50%; }

.habit-bars-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 0;
}
.habit-bar-row { display: flex; flex-direction: column; gap: 4px; }
.habit-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}
.habit-bar-track {
  height: 6px;
  background: var(--glass-border);
  border-radius: 3px;
  overflow: hidden;
}
.habit-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
}

.score-card { display: flex; flex-direction: column; align-items: center; }
.score-ring-wrap { position: relative; width: 140px; height: 140px; margin: 8px 0; }
.score-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.score-bg-ring { fill: none; stroke: var(--glass-border); stroke-width: 10; }
.score-fg-ring {
  fill: none;
  stroke: url(#ringGrad);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 365;
  stroke-dashoffset: 365;
  filter: drop-shadow(0 0 6px rgba(167,139,250,0.5));
  transition: stroke-dashoffset 1.2s cubic-bezier(0.4,0,0.2,1);
}
.score-value {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
}
.score-desc {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
  margin-top: 4px;
}

/* ══════════════════════════════ AI CHAT ══════════════════════════════ */
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 20px;
  height: calc(100vh - 220px);
  min-height: 500px;
}

.ai-chat-area {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
}

.chat-msg {
  display: flex;
  gap: 12px;
  animation: msgIn 0.3s ease;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg.user { flex-direction: row-reverse; }
.chat-msg.user .msg-bubble {
  background: linear-gradient(135deg, rgba(167,139,250,0.2), rgba(34,211,238,0.1));
  border-color: rgba(167,139,250,0.25);
}

.msg-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: white;
  flex-shrink: 0;
  align-self: flex-start;
}
.chat-msg.user .msg-avatar {
  background: var(--bg-card-active);
  color: var(--text-secondary);
  font-size: 12px;
}

.msg-bubble {
  max-width: 70%;
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}
.msg-bubble p { margin-bottom: 8px; }
.msg-bubble p:last-child { margin-bottom: 0; }

.typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}
.typing-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-violet);
  animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

.chat-input-area {
  border-top: 1px solid var(--glass-border);
  padding: 16px 20px;
}

.suggested-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.prompt-chip {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.prompt-chip:hover {
  background: rgba(167,139,250,0.1);
  border-color: rgba(167,139,250,0.3);
  color: var(--accent-violet);
}

.chat-input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.chat-textarea {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  resize: none;
  transition: border-color var(--transition);
  max-height: 120px;
  overflow-y: auto;
  line-height: 1.5;
}
.chat-textarea::placeholder { color: var(--text-muted); }
.chat-textarea:focus { border-color: var(--accent-violet); }

.chat-send-btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.chat-send-btn:hover { transform: scale(1.08); box-shadow: 0 4px 20px rgba(167,139,250,0.4); }
.chat-send-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.chat-disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
}

.ai-context-panel {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}
.ai-context-panel h4 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}

.context-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid var(--glass-border);
}
.context-item:last-of-type { border-bottom: none; }
.ctx-label { color: var(--text-muted); font-size: 12px; }
.ctx-val {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  text-align: right;
  max-width: 120px;
  line-height: 1.4;
}
.context-divider { border-top: 1px solid var(--glass-border); margin: 4px 0; }

.ctx-action-btn {
  background: var(--bg-card-active);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
  font-family: var(--font-body);
  width: 100%;
}
.ctx-action-btn:hover { background: rgba(167,139,250,0.1); color: var(--accent-violet); border-color: rgba(167,139,250,0.3); }

.ai-badge-title {
  font-size: 14px;
  font-weight: 400;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-left: 8px;
}

/* ══════════════════════════════ MODAL ══════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 480px;
  max-width: 90vw;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.modal-header h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}
.modal-close {
  background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 18px;
}
.modal-close:hover { color: var(--text-primary); }

.modal-body { display: flex; flex-direction: column; gap: 14px; }
.modal-body label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.modal-input {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}
.modal-input:focus { border-color: var(--accent-violet); }
.modal-textarea { min-height: 80px; resize: vertical; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
}

/* ══════════════════════════════ SCROLLBARS ══════════════════════════════ */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--glass-border-hover); }

/* ══════════════════════════════ RESPONSIVE ══════════════════════════════ */
@media (max-width: 1100px) {
  .kanban-board { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .analytics-grid { grid-template-columns: 1fr 1fr; }
  .analytics-card.wide { grid-column: span 2; }
}

@media (max-width: 900px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-220px); width: 220px; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .menu-toggle { display: flex !important; }
  .pomodoro-layout { grid-template-columns: 1fr; }
  .ai-layout { grid-template-columns: 1fr; }
  .notes-layout { grid-template-columns: 1fr; height: auto; }
  .notes-sidebar { max-height: 300px; }
  .dashboard-widgets { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .view-container { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .kanban-board { grid-template-columns: 1fr; }
  .view-header { flex-direction: column; align-items: flex-start; }
  .header-actions { width: 100%; }
  .input-inline { min-width: 100%; }
}

/* ══════════════════════════════ MISC ══════════════════════════════ */
.light-theme .sidebar { background: rgba(255,255,255,0.9); }
.light-theme .topbar { background: rgba(248,249,255,0.85); }
.light-theme .ambient-bg .orb { opacity: 0.07; }

select option { background: var(--bg-deep); color: var(--text-primary); }