/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Light theme — calm, paper-like, study-focused */
  --bg-base: #f4f3fb;
  --bg-gradient: linear-gradient(155deg, #ede9f9 0%, #e6efff 50%, #f4f3fb 100%);
  --bg-card: #ffffff;
  --bg-card-soft: #faf9ff;
  --bg-elevated: #ffffff;

  --text-primary: #1f1b2e;
  --text-secondary: #5a5570;
  --text-muted: #8a8499;

  --accent: #6b5bd2;
  --accent-hover: #5848c4;
  --accent-soft: #ede9ff;
  --accent-blue: #7aa6ff;
  --accent-deep: #3d3478;

  --success: #4caf82;
  --success-soft: #e3f5ec;
  --warning: #e8a838;
  --warning-soft: #fdf3e0;
  --danger: #e35d6a;
  --danger-soft: #fde8eb;

  --border: rgba(31, 27, 46, 0.08);
  --border-strong: rgba(31, 27, 46, 0.14);
  --shadow-sm: 0 1px 2px rgba(31, 27, 46, 0.04), 0 2px 6px rgba(31, 27, 46, 0.04);
  --shadow-md: 0 4px 12px rgba(107, 91, 210, 0.08), 0 2px 4px rgba(31, 27, 46, 0.04);
  --shadow-lg: 0 12px 32px rgba(107, 91, 210, 0.12), 0 4px 8px rgba(31, 27, 46, 0.04);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-base: #15131f;
  --bg-gradient: linear-gradient(155deg, #1a1729 0%, #161a2e 50%, #15131f 100%);
  --bg-card: #211e30;
  --bg-card-soft: #1c1a28;
  --bg-elevated: #2a2640;

  --text-primary: #f0eef7;
  --text-secondary: #b8b3c9;
  --text-muted: #7e7891;

  --accent: #9d8aff;
  --accent-hover: #b3a3ff;
  --accent-soft: #2d2647;
  --accent-blue: #93b4ff;
  --accent-deep: #cfc4ff;

  --success: #6dd9a4;
  --success-soft: #1e3329;
  --warning: #f0b859;
  --warning-soft: #332a18;
  --danger: #ff7c89;
  --danger-soft: #3d1d22;

  --border: rgba(240, 238, 247, 0.08);
  --border-strong: rgba(240, 238, 247, 0.16);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2), 0 2px 6px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.35), 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
}
h1 { font-size: clamp(2rem, 6vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); }
h3 { font-size: 1.15rem; font-weight: 600; }
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }
.page { min-height: 100vh; padding: 1.25rem 0 6rem; }

/* ---------- Top Bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.75rem;
  width: 100%;
  box-sizing: border-box;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text-primary);
}
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 9px;
  box-shadow: var(--shadow-md);
  display: block;
  flex-shrink: 0;
}
.topbar-actions { display: flex; gap: 0.5rem; align-items: center; }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: grid; place-items: center;
  transition: all var(--transition);
  color: var(--text-secondary);
}
.icon-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--accent);
}
.icon-btn svg { width: 18px; height: 18px; }

/* ---------- Bottom Nav (mobile-first) ---------- */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 0.5rem 0.5rem calc(0.5rem + env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-around;
  z-index: 100;
  backdrop-filter: blur(20px);
}
.bottom-nav a {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; gap: 0.15rem;
  padding: 0.5rem 0.25rem;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.bottom-nav a svg { width: 22px; height: 22px; stroke-width: 1.8; }
.bottom-nav a.active { color: var(--accent); }
.bottom-nav a:hover { color: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 0.85rem;
}
.btn-ghost:hover { color: var(--accent); background: var(--accent-soft); }
.btn-danger {
  background: transparent;
  color: var(--danger);
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}
.btn-danger:hover { background: var(--danger-soft); }
.btn-block { width: 100%; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card-soft { background: var(--bg-card-soft); }
.card-hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.card-header h2 { font-size: 1.35rem; }

/* ============================================
   LANDING PAGE
   ============================================ */
.landing { min-height: 100vh; display: flex; flex-direction: column; }
.landing-hero {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 2rem 1.25rem 4rem;
  position: relative;
  overflow: hidden;
}
.landing-hero::before {
  content: '';
  position: absolute;
  top: -10%; right: -20%;
  width: 60%;
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
  filter: blur(40px);
}
.landing-hero::after {
  content: '';
  position: absolute;
  bottom: -20%; left: -15%;
  width: 50%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(122, 166, 255, 0.18) 0%, transparent 60%);
  pointer-events: none;
  filter: blur(40px);
}
.hero-content {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  z-index: 1;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero-title { margin-bottom: 1rem; }
.hero-title em { font-style: italic; font-weight: 400; color: var(--accent); }
.hero-tagline {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 2rem;
}
.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}
.feature-strip { padding: 3rem 1.25rem 5rem; position: relative; }
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
}
.feature-card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-soft);
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
  margin-bottom: 1rem;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-card h3 { margin-bottom: 0.4rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.92rem; }

/* ============================================
   DASHBOARD
   ============================================ */
.greeting { margin-bottom: 1.5rem; }
.greeting .date {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 0.3rem;
  font-weight: 500;
}
.greeting h1 { font-size: clamp(1.65rem, 5vw, 2.25rem); margin-bottom: 0.4rem; }
.greeting p { color: var(--text-secondary); }
.streak-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  background: var(--warning-soft);
  color: var(--warning);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 0.5rem;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-card .label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.4rem;
  display: flex; align-items: center; gap: 0.4rem;
}
.stat-card .value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1;
}
.stat-card .sublabel {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}
.stat-icon {
  position: absolute;
  top: 1.15rem; right: 1.15rem;
  color: var(--accent);
  opacity: 0.85;
}
.stat-icon svg { width: 22px; height: 22px; }
.stat-accent { background: linear-gradient(135deg, var(--accent), #7e6dd8); color: white; border: none; }
.stat-accent .label, .stat-accent .value, .stat-accent .sublabel, .stat-accent .stat-icon { color: white; }
.stat-accent .label { opacity: 0.85; }
.stat-accent .sublabel { opacity: 0.8; }
.dashboard-section { display: grid; gap: 1rem; margin-bottom: 1.25rem; }
.quick-action-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}
.quick-action-row .btn {
  min-width: 0;
  white-space: normal;
  text-align: center;
  word-break: break-word;
}

/* ============================================
   TASK MANAGER
   ============================================ */
.task-form { display: grid; gap: 0.75rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.field input, .field select {
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  max-width: 100%;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.task-list { display: flex; flex-direction: column; gap: 0.6rem; }
.task-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.task-item:hover { box-shadow: var(--shadow-sm); transform: translateX(2px); }
.task-checkbox {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  background: var(--bg-card);
  flex-shrink: 0;
  cursor: pointer;
  transition: all var(--transition);
  display: grid; place-items: center;
}
.task-checkbox:hover { border-color: var(--accent); }
.task-checkbox svg { width: 14px; height: 14px; color: white; opacity: 0; transform: scale(0.5); transition: all var(--transition); }
.task-info { flex: 1; min-width: 0; }
.task-title-text {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
  word-break: break-word;
}
.task-meta {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  align-items: center;
}
.task-meta .course { font-weight: 500; color: var(--text-secondary); }
.task-meta .dot-sep { color: var(--text-muted); opacity: 0.5; }
.priority-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.55rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.priority-low { background: var(--success-soft); color: var(--success); }
.priority-medium { background: var(--warning-soft); color: var(--warning); }
.priority-high { background: var(--danger-soft); color: var(--danger); }
.task-item.completed { opacity: 0.65; }
.task-item.completed .task-checkbox {
  background: var(--success);
  border-color: var(--success);
}
.task-item.completed .task-checkbox svg { opacity: 1; transform: scale(1); }
.task-item.completed .task-title-text {
  text-decoration: line-through;
  color: var(--text-muted);
}
.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
}
.empty-state svg { width: 48px; height: 48px; margin: 0 auto 1rem; opacity: 0.5; }
.empty-state p { font-size: 0.95rem; }
.task-filters {
  display: flex; gap: 0.4rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}
.filter-chip {
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all var(--transition);
}
.filter-chip:hover { border-color: var(--accent); color: var(--accent); }
.filter-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ============================================
   FOCUS TIMER
   ============================================ */
.timer-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.timer-mode-tabs {
  display: inline-flex;
  background: var(--bg-card-soft);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.25rem;
  margin-bottom: 2rem;
}
.timer-mode-tabs button {
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.timer-mode-tabs button.active {
  background: var(--bg-card);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.timer-ring {
  position: relative;
  width: min(280px, 70vw);
  aspect-ratio: 1;
  margin: 0 auto 2rem;
}
.timer-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.timer-ring-bg { stroke: var(--border); }
.timer-ring-progress {
  stroke: var(--accent);
  transition: stroke-dashoffset 1s linear;
  stroke-linecap: round;
}
.timer-display {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.timer-time {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 4.5rem);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.timer-status {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-top: 0.6rem;
}
.timer-controls {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}
.timer-info {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  text-align: center;
}
.timer-info-item .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.timer-info-item .value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
}

/* ============================================
   MOOD CHECK-IN
   ============================================ */
.mood-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}
.mood-option {
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition);
  cursor: pointer;
}
.mood-option:hover { transform: translateY(-2px); border-color: var(--accent); }
.mood-option.selected { border-color: var(--accent); background: var(--accent-soft); }
.mood-emoji { font-size: 2rem; }
.mood-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
}
.mood-message {
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-card-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
  position: relative;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.mood-message::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--accent);
  position: absolute;
  top: -0.4rem; left: 0.6rem;
  opacity: 0.3;
  line-height: 1;
}
.mood-message-content { padding-left: 1.5rem; }
.mood-message-author {
  display: block;
  font-style: normal;
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.7rem;
  font-weight: 600;
}

/* ============================================
   PROGRESS PAGE
   ============================================ */
.progress-hero {
  text-align: center;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, var(--accent), #7e6dd8);
  color: white;
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
}
.progress-hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 80%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
}
.progress-score {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 5rem);
  font-weight: 600;
  line-height: 1;
}
.progress-score sup { font-size: 0.4em; opacity: 0.7; }
.progress-label {
  font-size: 0.85rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.progress-sublabel { font-size: 0.95rem; opacity: 0.85; margin-top: 0.6rem; }
.weekly-bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4rem;
  align-items: end;
  height: 140px;
  margin: 1.25rem 0 0.5rem;
}
.weekly-bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  height: 100%;
  justify-content: flex-end;
}
.weekly-bar {
  width: 100%;
  background: linear-gradient(to top, var(--accent), var(--accent-blue));
  border-radius: 6px 6px 0 0;
  min-height: 4px;
  transition: height var(--transition-slow);
  position: relative;
}
.weekly-bar.is-today { box-shadow: 0 0 0 2px var(--bg-card), 0 0 0 4px var(--accent); }
.weekly-bar-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}
.weekly-bar-value {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 600;
}
.progress-stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

/* ============================================
   JOURNAL
   ============================================ */
.journal-textarea {
  width: 100%;
  min-height: 220px;
  padding: 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  resize: vertical;
  transition: all var(--transition);
  color: var(--text-primary);
}
.journal-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.journal-textarea::placeholder { color: var(--text-muted); }
.journal-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.85rem;
  margin-bottom: 1.25rem;
}
.save-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--success);
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition);
}
.save-indicator.visible { opacity: 1; }
.journal-history { margin-top: 2rem; }
.journal-entry {
  padding: 1.15rem;
  background: var(--bg-card-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
}
.journal-entry-date {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.55rem;
}
.journal-entry-text {
  color: var(--text-secondary);
  white-space: pre-wrap;
  line-height: 1.65;
  font-size: 0.95rem;
}

/* ============================================
   TOAST + CONFETTI
   ============================================ */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text-primary);
  color: var(--bg-card);
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 200;
  max-width: 90vw;
}
.toast.visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.confetti-piece {
  position: fixed;
  width: 8px; height: 14px;
  top: -20px;
  z-index: 999;
  pointer-events: none;
  animation: confetti-fall linear forwards;
}
@keyframes confetti-fall {
  to { transform: translateY(110vh) rotate(720deg); opacity: 0; }
}

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 500ms cubic-bezier(0.4, 0, 0.2, 1) backwards; }
.fade-up-1 { animation-delay: 50ms; }
.fade-up-2 { animation-delay: 120ms; }
.fade-up-3 { animation-delay: 200ms; }
.fade-up-4 { animation-delay: 280ms; }

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
  .progress-stat-row { grid-template-columns: repeat(4, 1fr); }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .mood-grid { grid-template-columns: repeat(4, 1fr); }
  .quick-action-row { grid-template-columns: repeat(2, 1fr); max-width: 480px; }
}
@media (min-width: 900px) {
  .page { padding: 1.5rem 0 7rem; }
  .container { padding: 0 2rem; }
  .topbar { padding: 1.25rem 2.5rem; }
  .bottom-nav {
    max-width: 720px;
    left: 50%;
    transform: translateX(-50%);
    bottom: 1.25rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .bottom-nav a { font-size: 0.72rem; }
}