/* ============================================================
   PRACTICE.CSS — Premium Shared Styles for TAX-PQ & FAR-PQ
   ============================================================ */

/* ============================================================
   1. ROOT VARIABLES (matches main site, enhanced)
   ============================================================ */
:root {
  --color-bg: #f1f5f9;
  --color-bg-surface: #ffffff;
  --color-bg-glass: rgba(255, 255, 255, 0.60);
  --color-bg-glass-light: rgba(255, 255, 255, 0.30);
  --color-text-primary: #0b0f1a;
  --color-text-secondary: #2a3346;
  --color-text-muted: #6b7a93;
  --color-border: #e8edf4;
  --color-glass-border: rgba(255, 255, 255, 0.40);
  --color-glass-border-hover: rgba(255, 255, 255, 0.70);
  --color-accent: #2563eb;
  --color-accent-light: #dbeafe;
  --color-accent-gradient: linear-gradient(135deg, #2563eb, #7c3aed);
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
  --color-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.10);
  --color-glow: rgba(37, 99, 235, 0.15);
  --radius-card: 18px;
  --radius-button: 10px;
  --radius-badge: 100px;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-magnetic: 0.4s cubic-bezier(0.25, 1.25, 0.5, 1);
}

.dark {
  --color-bg: #070b12;
  --color-bg-surface: #151e2d;
  --color-bg-glass: rgba(21, 30, 45, 0.70);
  --color-bg-glass-light: rgba(21, 30, 45, 0.35);
  --color-text-primary: #f0f4ff;
  --color-text-secondary: #bcc8e0;
  --color-text-muted: #7a8aa8;
  --color-border: #26324a;
  --color-glass-border: rgba(255, 255, 255, 0.08);
  --color-glass-border-hover: rgba(255, 255, 255, 0.16);
  --color-accent: #3b82f6;
  --color-accent-light: #1e3a5f;
  --color-shadow: 0 8px 32px rgba(0, 0, 0, 0.50);
  --color-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.60);
  --color-glow: rgba(59, 130, 246, 0.20);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text-primary);
  min-height: 100vh;
  padding: 2rem 1.5rem;
  transition: background var(--transition-smooth), color var(--transition-smooth);
  position: relative;
  overflow-x: hidden;
}

/* Animated background gradient with subtle movement */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 600px 600px at 10% 20%, rgba(37, 99, 235, 0.08), transparent 70%),
    radial-gradient(ellipse 500px 500px at 90% 80%, rgba(124, 58, 237, 0.06), transparent 70%);
  animation: bgFloat 20s ease-in-out infinite alternate;
}

.dark body::before {
  background:
    radial-gradient(ellipse 600px 600px at 10% 20%, rgba(59, 130, 246, 0.12), transparent 70%),
    radial-gradient(ellipse 500px 500px at 90% 80%, rgba(139, 92, 246, 0.10), transparent 70%);
}

@keyframes bgFloat {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(30px, -20px) scale(1.05);
  }
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ============================================================
   3. FLOATING THEME TOGGLE with pulse
   ============================================================ */
.theme-toggle {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-glass-border);
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-spring);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--color-shadow), 0 0 0 0 var(--color-glow);
  animation: pulse-ring 3s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%,
  100% {
    box-shadow: var(--color-shadow), 0 0 0 0 var(--color-glow);
  }
  50% {
    box-shadow: var(--color-shadow), 0 0 0 8px var(--color-glow);
  }
}

.theme-toggle:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
  transform: rotate(12deg) scale(1.08);
  box-shadow: var(--color-shadow-hover);
  animation: none;
}

/* ============================================================
   4. GLASS HEADER — refined with shimmer
   ============================================================ */
.glass-header {
  background: var(--color-bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-card);
  padding: 1.5rem 2rem;
  box-shadow: var(--color-shadow);
  margin-bottom: 2rem;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

/* Shimmer overlay */
.glass-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg,
      transparent 40%,
      rgba(255, 255, 255, 0.08) 45%,
      rgba(255, 255, 255, 0.15) 50%,
      rgba(255, 255, 255, 0.08) 55%,
      transparent 60%);
  background-size: 300% 100%;
  animation: shimmer 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.glass-header:hover {
  border-color: var(--color-glass-border-hover);
  box-shadow: var(--color-shadow-hover);
  transform: translateY(-2px);
}

.header-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.header-brand .icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--color-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
  transition: transform var(--transition-spring);
}

.header-brand:hover .icon-wrap {
  transform: scale(1.05) rotate(-2deg);
}

.header-brand .brand-text h1 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.header-brand .brand-text .sub {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  display: block;
}

.header-progress {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-bg-glass-light);
  backdrop-filter: blur(8px);
  padding: 0.4rem 1rem 0.4rem 1.2rem;
  border-radius: var(--radius-button);
  border: 1px solid var(--color-glass-border);
  transition: all var(--transition-smooth);
}

.header-progress:hover {
  border-color: var(--color-accent);
  transform: scale(1.02);
}

.progress-track {
  width: 120px;
  height: 5px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--color-accent-gradient);
  transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: progressShimmer 2s ease-in-out infinite;
}

@keyframes progressShimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.progress-text {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  min-width: 56px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   FIX: Checkbox Clickability & Layering
   ============================================================ */

.day-check-label {
  position: relative;
  z-index: 10;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}

.day-check {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: auto;
  cursor: pointer;
  z-index: 11;
}

/* Ensure the checkmark doesn't block clicks */
.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-surface);
  transition: all var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  pointer-events: none;
  user-select: none;
}

/* The card itself should not interfere with the checkbox */
.day-card {
  cursor: default;
}

/* The checkbox area should be clickable */
.day-card .day-check-label {
  cursor: pointer;
}

/* ============================================================
   5. HEADER CONTROLS
   ============================================================ */
.header-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 150px;
}

.search-wrap i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  transition: color var(--transition-smooth);
}

.search-wrap input {
  width: 100%;
  padding: 0.5rem 0.5rem 0.5rem 2.5rem;
  border-radius: var(--radius-button);
  border: 1px solid var(--color-border);
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  font-size: 0.8rem;
  font-family: var(--font-family);
  transition: all var(--transition-smooth);
}

.search-wrap input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.search-wrap input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.10);
  transform: scale(1.01);
}

.search-wrap input:focus+i {
  color: var(--color-accent);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.filter-pill {
  padding: 0.3rem 1rem;
  border-radius: var(--radius-badge);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
  font-family: var(--font-family);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.filter-pill::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  border-radius: var(--radius-badge);
}

.filter-pill:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.filter-pill.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.2);
}

.filter-pill.active::before {
  opacity: 1;
}

.dark .filter-pill.active {
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
}

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.toggle-wrap label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  user-select: none;
}

.toggle-switch {
  position: relative;
  width: 38px;
  height: 20px;
  background: var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition-smooth);
  flex-shrink: 0;
}

.toggle-switch.active {
  background: var(--color-accent);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 999px;
  transition: transform var(--transition-spring);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.toggle-switch.active::after {
  transform: translateX(18px);
}

.reset-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-button);
  transition: all var(--transition-smooth);
  font-family: var(--font-family);
}

.reset-btn:hover {
  color: var(--color-danger);
  background: rgba(239, 68, 68, 0.08);
  transform: scale(1.05);
}

.reset-btn i {
  font-size: 0.7rem;
}

/* ============================================================
   6. DAY CARD — Premium Glass with Advanced Motion
   ============================================================ */
.day-card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-card);
  padding: 1rem 1.4rem;
  margin-bottom: 0.7rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  box-shadow: var(--color-shadow);
  transition: all var(--transition-magnetic);
  position: relative;
  overflow: hidden;
  animation: cardSlideUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  opacity: 0;
  transform: translateY(20px) scale(0.98);
  cursor: default;
}

.day-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.0));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.day-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  background: radial-gradient(ellipse at 30% 20%, var(--color-glow), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.day-card:hover {
  transform: translateY(-4px) scale(1.008) rotateX(1deg);
  box-shadow: var(--color-shadow-hover), 0 8px 24px var(--color-glow);
  border-color: var(--color-accent);
}

.day-card:hover::before {
  opacity: 1;
}

.day-card:hover::after {
  opacity: 0.6;
}

/* Staggered animation with varied delays */
.day-card:nth-child(1) {
  animation-delay: 0.03s;
}
.day-card:nth-child(2) {
  animation-delay: 0.06s;
}
.day-card:nth-child(3) {
  animation-delay: 0.09s;
}
.day-card:nth-child(4) {
  animation-delay: 0.12s;
}
.day-card:nth-child(5) {
  animation-delay: 0.15s;
}
.day-card:nth-child(6) {
  animation-delay: 0.18s;
}
.day-card:nth-child(7) {
  animation-delay: 0.21s;
}
.day-card:nth-child(8) {
  animation-delay: 0.24s;
}
.day-card:nth-child(9) {
  animation-delay: 0.27s;
}
.day-card:nth-child(10) {
  animation-delay: 0.30s;
}
.day-card:nth-child(11) {
  animation-delay: 0.33s;
}
.day-card:nth-child(12) {
  animation-delay: 0.36s;
}
.day-card:nth-child(13) {
  animation-delay: 0.39s;
}
.day-card:nth-child(14) {
  animation-delay: 0.42s;
}
.day-card:nth-child(15) {
  animation-delay: 0.45s;
}
.day-card:nth-child(16) {
  animation-delay: 0.48s;
}
.day-card:nth-child(17) {
  animation-delay: 0.51s;
}
.day-card:nth-child(18) {
  animation-delay: 0.54s;
}
.day-card:nth-child(19) {
  animation-delay: 0.57s;
}
.day-card:nth-child(20) {
  animation-delay: 0.60s;
}
.day-card:nth-child(21) {
  animation-delay: 0.63s;
}
.day-card:nth-child(22) {
  animation-delay: 0.66s;
}
.day-card:nth-child(23) {
  animation-delay: 0.69s;
}
.day-card:nth-child(24) {
  animation-delay: 0.72s;
}
.day-card:nth-child(25) {
  animation-delay: 0.75s;
}
.day-card:nth-child(26) {
  animation-delay: 0.78s;
}
.day-card:nth-child(27) {
  animation-delay: 0.81s;
}
.day-card:nth-child(28) {
  animation-delay: 0.84s;
}
.day-card:nth-child(29) {
  animation-delay: 0.87s;
}
.day-card:nth-child(30) {
  animation-delay: 0.90s;
}
.day-card:nth-child(31) {
  animation-delay: 0.93s;
}
.day-card:nth-child(32) {
  animation-delay: 0.96s;
}
.day-card:nth-child(33) {
  animation-delay: 0.99s;
}
.day-card:nth-child(34) {
  animation-delay: 1.02s;
}
.day-card:nth-child(35) {
  animation-delay: 1.05s;
}

@keyframes cardSlideUp {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.day-card.completed {
  opacity: 0.5;
  transform: scale(0.98);
}

.day-card.completed .day-title {
  text-decoration: line-through;
  text-decoration-color: var(--color-text-muted);
  text-decoration-thickness: 1.5px;
}

.day-card .day-number {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-badge);
  min-width: 32px;
  text-align: center;
  flex-shrink: 0;
  transition: all var(--transition-smooth);
}

.day-card:hover .day-number {
  transform: scale(1.08);
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.2);
}

.day-card .day-check {
  width: 20px;
  height: 20px;
  accent-color: var(--color-accent);
  cursor: pointer;
  flex-shrink: 0;
  transition: transform var(--transition-spring);
}

.day-card .day-check:hover {
  transform: scale(1.2) rotate(5deg);
}

.day-card .day-check:checked {
  transform: scale(1);
}

.day-card .day-content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  min-width: 120px;
}

.day-card .day-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: color var(--transition-smooth);
}

.day-card .day-badge {
  font-size: 0.6rem;
  font-weight: 600;
  padding: 0.15rem 0.7rem;
  border-radius: var(--radius-badge);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: all var(--transition-smooth);
}

.day-card .day-badge.blue {
  background: #dbeafe;
  color: #1d4ed8;
}
.day-card .day-badge.purple {
  background: #ede9fe;
  color: #7c3aed;
}
.day-card .day-badge.emerald {
  background: #d1fae5;
  color: #059669;
}
.day-card .day-badge.amber {
  background: #fef3c7;
  color: #d97706;
}
.day-card .day-badge.rose {
  background: #fee2e2;
  color: #dc2626;
}
.day-card .day-badge.gray {
  background: var(--color-border);
  color: var(--color-text-muted);
}

.dark .day-card .day-badge.blue {
  background: #1e3a5f;
  color: #60a5fa;
}
.dark .day-card .day-badge.purple {
  background: #2e1065;
  color: #a78bfa;
}
.dark .day-card .day-badge.emerald {
  background: #064e3b;
  color: #34d399;
}
.dark .day-card .day-badge.amber {
  background: #713f12;
  color: #fbbf24;
}
.dark .day-card .day-badge.rose {
  background: #4c1d3b;
  color: #f472b6;
}
.dark .day-card .day-badge.gray {
  background: #1e293b;
  color: #94a3b8;
}

.day-card .day-meta {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-family: monospace;
  background: var(--color-bg-glass-light);
  padding: 0.1rem 0.6rem;
  border-radius: var(--radius-button);
  border: 1px solid var(--color-glass-border);
  white-space: nowrap;
  transition: all var(--transition-smooth);
}

.day-card .day-meta:hover {
  border-color: var(--color-accent);
  transform: scale(1.05);
}

.day-card .day-focus {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  flex: 1;
  min-width: 100px;
  line-height: 1.4;
}

.day-card .day-optional {
  font-size: 0.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-warning);
  background: #fef3c7;
  padding: 0.1rem 0.6rem;
  border-radius: var(--radius-badge);
  border: 1px solid #fcd34d;
  flex-shrink: 0;
}

.dark .day-card .day-optional {
  background: #713f12;
  color: #fbbf24;
  border-color: #a16207;
}

.day-card .day-diff {
  font-size: 0.55rem;
  font-weight: 700;
  padding: 0.15rem 0.7rem;
  border-radius: var(--radius-badge);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.day-card .day-diff.medium {
  background: #d1fae5;
  color: #059669;
}
.day-card .day-diff.hard {
  background: #fef3c7;
  color: #d97706;
}
.day-card .day-diff.very-hard {
  background: #fee2e2;
  color: #dc2626;
}

.dark .day-card .day-diff.medium {
  background: #064e3b;
  color: #34d399;
}
.dark .day-card .day-diff.hard {
  background: #713f12;
  color: #fbbf24;
}
.dark .day-card .day-diff.very-hard {
  background: #4c1d3b;
  color: #f472b6;
}

/* ============================================================
   7. WEEK SECTION (TAX-PQ specific)
   ============================================================ */
.week-section {
  margin-bottom: 2rem;
}

.week-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
  transition: border-color var(--transition-smooth);
}

.week-header:hover {
  border-color: var(--color-accent);
}

.week-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.week-header h2 .week-icon {
  font-size: 0.9rem;
  color: var(--color-accent);
  animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.week-header .week-label {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: var(--color-bg-glass);
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-badge);
  border: 1px solid var(--color-glass-border);
}

/* ============================================================
   8. FOOTER
   ============================================================ */
.practice-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.practice-footer .footer-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-smooth);
}

.practice-footer .footer-item:hover {
  color: var(--color-text-primary);
}

.practice-footer .footer-item i {
  font-size: 0.65rem;
  opacity: 0.6;
  transition: transform var(--transition-smooth);
}

.practice-footer .footer-item:hover i {
  transform: scale(1.2);
}

.practice-footer .footer-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-border);
}

/* ============================================================
   9. EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
  animation: fadeInUp 0.6s ease forwards;
}

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

.empty-state i {
  font-size: 2.5rem;
  opacity: 0.2;
  margin-bottom: 1rem;
  display: block;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.3rem;
}

.empty-state p {
  font-size: 0.85rem;
}

/* ============================================================
   10. SIDEBAR REFERENCE (TAX-PQ desktop)
   ============================================================ */
.sidebar-ref {
  display: none;
}

@media (min-width: 1024px) {
  .layout-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1.5rem;
  }

  .sidebar-ref {
    display: block;
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }

  .ref-card {
    background: var(--color-bg-glass);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-card);
    padding: 1.25rem;
    box-shadow: var(--color-shadow);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
  }

  .ref-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-card);
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-smooth);
  }

  .ref-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--color-shadow-hover);
  }

  .ref-card:hover::before {
    opacity: 1;
  }

  .ref-card h3 {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .ref-card h3 i {
    color: var(--color-accent);
  }

  .ref-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    transition: border-color var(--transition-smooth);
  }

  .ref-item:last-child {
    border-bottom: none;
  }

  .ref-item .ref-value {
    font-weight: 600;
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 0.1rem 0.6rem;
    border-radius: var(--radius-badge);
    font-size: 0.65rem;
    transition: all var(--transition-smooth);
  }

  .ref-item:hover .ref-value {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
  }

  .dark .ref-item .ref-value {
    background: #1e3a5f;
    color: #60a5fa;
  }
}

/* ============================================================
   11. RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  body {
    padding: 1rem 0.75rem;
  }

  .glass-header {
    padding: 1rem 1.2rem;
  }

  .header-top {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .header-brand .brand-text h1 {
    font-size: 1rem;
  }

  .header-progress {
    justify-content: space-between;
    padding: 0.3rem 0.8rem 0.3rem 1rem;
  }

  .progress-track {
    flex: 1;
    width: auto;
  }

  .header-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .control-group {
    justify-content: center;
  }

  .search-wrap {
    flex: 1;
    min-width: 100px;
  }

  .filter-group {
    justify-content: center;
  }

  .toggle-wrap {
    justify-content: center;
  }

  .day-card {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .day-card .day-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    width: 100%;
  }

  .day-card .day-focus {
    font-size: 0.72rem;
    width: 100%;
  }

  .day-card .day-title {
    font-size: 0.8rem;
  }

  .day-card .day-meta {
    font-size: 0.65rem;
  }

  .week-header h2 {
    font-size: 0.95rem;
  }

  .week-header .week-label {
    font-size: 0.55rem;
    padding: 0.15rem 0.6rem;
  }

  .practice-footer {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: 0.5rem 0.4rem;
  }

  .glass-header {
    padding: 0.75rem 0.9rem;
  }

  .header-brand .icon-wrap {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .header-brand .brand-text h1 {
    font-size: 0.85rem;
  }

  .day-card {
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.5rem;
  }

  .day-card .day-number {
    font-size: 0.6rem;
    min-width: 26px;
    padding: 0.1rem 0.4rem;
  }

  .day-card .day-title {
    font-size: 0.72rem;
  }

  .day-card .day-focus {
    font-size: 0.65rem;
  }

  .day-card .day-badge,
  .day-card .day-diff {
    font-size: 0.5rem;
    padding: 0.1rem 0.5rem;
  }

  .filter-pill {
    font-size: 0.6rem;
    padding: 0.2rem 0.6rem;
  }

  .week-header h2 {
    font-size: 0.8rem;
  }
}

/* ============================================================
   12. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .day-card {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  .day-card:hover {
    transform: none !important;
  }

  .glass-header:hover {
    border-color: var(--color-glass-border) !important;
  }

  .theme-toggle {
    animation: none !important;
  }

  .glass-header::after {
    animation: none !important;
  }

  .progress-fill::after {
    animation: none !important;
  }

  .week-header h2 .week-icon {
    animation: none !important;
  }

  .empty-state i {
    animation: none !important;
  }
}

/* ============================================================
   13. SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: var(--color-border);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: 10px;
  transition: background var(--transition-smooth);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}


/* ============================================================
   CUSTOM CHECKBOX — Pure CSS, no Tailwind
   ============================================================ */

.day-check-label {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}

.day-check {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-surface);
  transition: all var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.day-check:checked + .checkmark {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.day-check:checked + .checkmark::after {
  content: '✓';
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.day-check:hover + .checkmark {
  border-color: var(--color-accent);
  transform: scale(1.05);
}

.day-check:checked:hover + .checkmark {
  transform: scale(1.08);
}

.day-check:focus-visible + .checkmark {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ============================================================
   PRACTICE CARDS — Compact Horizontal Design
   ============================================================ */

.practice-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.practice-stat-card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-card);
  padding: 1rem 1.2rem;
  box-shadow: var(--color-shadow);
  transition: all var(--transition-magnetic);
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  min-height: 100px;
}

/* Subtle glow on hover */
.practice-stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  background: radial-gradient(ellipse at 30% 50%, var(--color-glow), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.practice-stat-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--color-shadow-hover);
  border-color: var(--color-accent);
}

.practice-stat-card:hover::before {
  opacity: 1;
}

.practice-stat-card:hover::after {
  height: 85%;
}

/* ============================================================
   LEFT: PROGRESS RING (Compact)
   ============================================================ */

.practice-progress-ring-wrap {
  flex-shrink: 0;
  width: 70px;
  height: 70px;
  position: relative;
}

.practice-progress-ring {
  transform: rotate(-90deg);
  width: 70px;
  height: 70px;
}

.practice-progress-ring .bg {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 5;
}

.practice-progress-ring .progress {
  fill: none;
  stroke-width: 5;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s var(--transition-spring);
}

.practice-progress-ring .progress.bld {
  stroke: #4f46e5;
}
.practice-progress-ring .progress.far {
  stroke: #2563eb;
}
.practice-progress-ring .progress.tax {
  stroke: #d97706;
}

/* Percentage inside ring */
.practice-progress-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  line-height: 1.2;
}

.practice-progress-center .pct {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: block;
}

.practice-progress-center .pct-label {
  font-size: 0.45rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

/* ============================================================
   RIGHT: CONTENT
   ============================================================ */

.practice-stat-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.practice-stat-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.practice-stat-badge {
  font-size: 0.55rem;
  font-weight: 700;
  padding: 1px 10px;
  border-radius: var(--radius-badge);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.practice-stat-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Metrics: Days done */
.practice-stat-metrics {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.practice-stat-metric {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.practice-stat-metric .practice-stat-number {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.practice-stat-metric .practice-stat-label {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.practice-stat-metric .practice-stat-total {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* Footer: Button */
.practice-stat-footer {
  margin-top: 0.2rem;
  display: flex;
  justify-content: flex-end;
}

.practice-stat-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-button);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border: 1px solid transparent;
  text-decoration: none;
  transition: all var(--transition-smooth);
  font-family: var(--font-family);
  white-space: nowrap;
}

.practice-stat-btn i {
  font-size: 0.6rem;
  transition: transform var(--transition-smooth);
}

.practice-stat-btn:hover {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
  gap: 0.6rem;
}

.practice-stat-btn:hover i {
  transform: translateX(4px);
}

/* Subject-specific button hover */
.practice-stat-card[data-subject="bld"] .practice-stat-btn:hover {
  background: #4f46e5;
  border-color: #4f46e5;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
}

.practice-stat-card[data-subject="far"] .practice-stat-btn:hover {
  background: #2563eb;
  border-color: #2563eb;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.practice-stat-card[data-subject="tax"] .practice-stat-btn:hover {
  background: #d97706;
  border-color: #d97706;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.25);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .practice-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .practice-stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .practice-stat-card {
    padding: 0.8rem 1rem;
    min-height: 80px;
  }

  .practice-progress-ring-wrap {
    width: 60px;
    height: 60px;
  }

  .practice-progress-ring {
    width: 60px;
    height: 60px;
  }

  .practice-progress-ring .bg,
  .practice-progress-ring .progress {
    stroke-width: 4;
  }

  .practice-progress-center .pct {
    font-size: 0.9rem;
  }

  .practice-stat-name {
    font-size: 0.75rem;
  }

  .practice-stat-metric .practice-stat-number {
    font-size: 1rem;
  }

  .practice-stat-btn {
    font-size: 0.6rem;
    padding: 0.2rem 0.6rem;
  }
}

@media (max-width: 480px) {
  .practice-stat-card {
    padding: 0.6rem 0.8rem;
    gap: 0.6rem;
  }

  .practice-progress-ring-wrap {
    width: 50px;
    height: 50px;
  }

  .practice-progress-ring {
    width: 50px;
    height: 50px;
  }

  .practice-progress-ring .bg,
  .practice-progress-ring .progress {
    stroke-width: 3.5;
  }

  .practice-progress-center .pct {
    font-size: 0.75rem;
  }

  .practice-progress-center .pct-label {
    font-size: 0.35rem;
  }

  .practice-stat-badge {
    font-size: 0.45rem;
    padding: 1px 6px;
  }

  .practice-stat-name {
    font-size: 0.65rem;
  }

  .practice-stat-metric .practice-stat-number {
    font-size: 0.9rem;
  }

  .practice-stat-metric .practice-stat-label,
  .practice-stat-metric .practice-stat-total {
    font-size: 0.5rem;
  }

  .practice-stat-btn {
    font-size: 0.5rem;
    padding: 0.15rem 0.5rem;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .practice-stat-card,
  .practice-stat-card::before,
  .practice-stat-card::after,
  .practice-progress-ring .progress,
  .practice-stat-btn,
  .practice-stat-btn i {
    transition: none !important;
  }

  .practice-stat-card:hover {
    transform: none !important;
  }

  .practice-stat-card:hover::after {
    height: 70% !important;
  }
}