/* ===== ROOT VARIABLES ===== */
:root {
  /* Colors */
  --primary-color: #00e5ff;
  --primary-light: #4dd0e1;
  --secondary-color: #2979ff;
  --success-color: #00c853;
  --danger-color: #ff1744;
  --warning-color: #ff9100;
  --bg-primary: #0f1419;
  --bg-secondary: #1a2027;
  --bg-tertiary: #252d35;
  --text-primary: #ffffff;
  --text-secondary: #b0bec5;
  --text-tertiary: #78909c;
  --border-color: rgba(255, 255, 255, 0.15);
  --border-light: rgba(255, 255, 255, 0.08);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00e5ff 0%, #2979ff 100%);
  --gradient-success: linear-gradient(135deg, #00c853 0%, #00e676 100%);
  --gradient-danger: linear-gradient(135deg, #ff5252 0%, #ff1744 100%);
  --gradient-download: linear-gradient(135deg, #4facfe 0%, #00c6ff 100%);
  --gradient-bg: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);

  /* Glass Effect */
  --glass-bg: rgba(15, 20, 25, 0.6);
  --glass-blur: blur(12px);
  --glass-border: 1.5px solid rgba(0, 229, 255, 0.2);

  /* Input Background */
  --input-bg: rgba(15, 20, 25, 0.7);
  --input-border: rgba(0, 229, 255, 0.25);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 24px;
  --space-3xl: 32px;
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  /* Force dark mode */
  color-scheme: dark;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--gradient-bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: clamp(14px, 2vw, 16px);
  min-height: 100vh;
  overflow-x: hidden;
  /* Force dark mode */
  background-color: #0f1419;
}

/* ===== CONTAINER ===== */
.container {
  width: min(90vw, 1200px);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all var(--transition-base);
}

a:hover {
  color: var(--primary-light);
}

/* ===== HEADER ===== */
.header {
  background: rgba(15, 20, 25, 0.8);
  backdrop-filter: var(--glass-blur);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xl);
}

.header h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  text-decoration: none;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-base);
}

.nav-links a:hover::after {
  width: 100%;
}

.user-chip {
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: var(--space-md) var(--space-lg);
  border-radius: 20px;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  backdrop-filter: var(--glass-blur);
}

.user-pic {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-color);
}

/* ===== PAGE TITLE ===== */
.page-title {
  margin: var(--space-3xl) 0 var(--space-xl);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  text-align: center;
}

/* ===== GLASS CARD ===== */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-xl), 5vw, var(--space-3xl));
  box-shadow: var(--shadow-glass);
  margin-bottom: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.05) 0%, transparent 100%);
  pointer-events: none;
}

.card:hover {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.15);
}

/* ===== FORM ELEMENTS ===== */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.form-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input,
.select,
textarea {
  padding: clamp(var(--space-md), 2vw, var(--space-lg));
  border-radius: var(--radius-md);
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-base);
  backdrop-filter: var(--glass-blur);
}

.input::placeholder,
textarea::placeholder {
  color: #90a4ae;
}

.input:focus,
.select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(0, 229, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15), inset 0 0 0 1px rgba(0, 229, 255, 0.2);
}

.input:hover,
.select:hover,
textarea:hover {
  border-color: var(--primary-color);
  background: rgba(0, 229, 255, 0.05);
}

.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300e5ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: var(--space-2xl);
  appearance: none;
  cursor: pointer;
}

select option {
  background-color: #1a2027;
  color: var(--text-primary);
}

/* ===== QUESTION ROW ===== */
.question-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid var(--input-border);
  transition: all var(--transition-base);
}

.question-row:hover {
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--primary-color);
}

.q-label {
  font-weight: 600;
  color: var(--primary-color);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

/* ===== BUTTONS ===== */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.btn {
  padding: clamp(var(--space-md), 2vw, var(--space-lg)) clamp(var(--space-lg), 3vw, var(--space-2xl));
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition-base);
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-base), height var(--transition-base);
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn:active {
  transform: scale(0.98);
}

.btn-submit {
  background: var(--gradient-primary);
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 229, 255, 0.3);
}

.btn-submit:hover {
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.5);
}

.btn-add {
  background: var(--gradient-success);
  color: #000;
  box-shadow: 0 4px 15px rgba(0, 200, 83, 0.3);
}

.btn-add:hover {
  box-shadow: 0 8px 24px rgba(0, 200, 83, 0.5);
}

.btn-remove {
  background: var(--gradient-danger);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(255, 23, 68, 0.3);
}

.btn-remove:hover {
  box-shadow: 0 8px 24px rgba(255, 23, 68, 0.5);
}

.btn-download {
  background: var(--gradient-download);
  color: #000;
  box-shadow: 0 4px 15px rgba(79, 172, 254, 0.3);
}

.btn-download:hover {
  box-shadow: 0 8px 24px rgba(79, 172, 254, 0.5);
}

.btn-secondary {
  background: rgba(0, 229, 255, 0.1);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(0, 229, 255, 0.2);
  box-shadow: 0 4px 15px rgba(0, 229, 255, 0.2);
  text-decoration: none;
}

/* ===== DASHBOARD ===== */
.dashboard {
  margin-top: var(--space-3xl);
}

.welcome-card {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.12) 0%, rgba(41, 121, 255, 0.12) 100%);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-2xl), 5vw, var(--space-3xl));
  margin-bottom: var(--space-3xl);
  box-shadow: var(--shadow-glass);
  position: relative;
  overflow: hidden;
}

.welcome-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.welcome-card h2 {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  position: relative;
  z-index: 2;
  color: #fff;
}

.welcome-card h2 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-card p {
  color: #b0bec5;
  position: relative;
  z-index: 2;
}

/* ===== DASHBOARD ACTIONS ===== */
.dashboard-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.dash-card {
  background: rgba(15, 20, 25, 0.6);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  overflow: hidden;
}

.dash-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.dash-card:hover::before {
  left: 100%;
}

.dash-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.2);
  text-decoration: none;
}

.dash-card h3 {
  margin: 0;
  font-size: 1.3rem;
  position: relative;
  z-index: 2;
}

.dash-card p {
  margin: 0;
  font-size: 0.9rem;
  color: #b0bec5;
  position: relative;
  z-index: 2;
}

.dash-card.danger {
  background: linear-gradient(135deg, rgba(255, 82, 82, 0.15) 0%, rgba(255, 23, 68, 0.15) 100%);
  border-color: rgba(255, 23, 68, 0.3);
}

.dash-card.danger:hover {
  border-color: rgba(255, 23, 68, 0.6);
  box-shadow: 0 12px 40px rgba(255, 23, 68, 0.2);
  text-decoration: none;
}

/* ===== STATS ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.stat-box {
  background: rgba(15, 20, 25, 0.6);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  color: var(--text-primary);
  box-shadow: var(--shadow-glass);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-box:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.2);
}

.stat-box label {
  font-size: 0.85rem;
  color: #90a4ae;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-md);
}

.stat-box p {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.highlight-week {
  border-left: 4px solid var(--primary-color);
  padding-left: var(--space-lg);
}

.highlight-date {
  border-left: 4px solid var(--danger-color);
  padding-left: var(--space-lg);
}

.countdown-text {
  display: inline-block;
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 23, 68, 0.15);
  color: #ff6b81;
}

/* ===== TABLE ===== */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
  background: rgba(15, 20, 25, 0.6);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.answers-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.answers-table th {
  background: rgba(0, 229, 255, 0.08);
  padding: var(--space-lg);
  text-align: left;
  font-weight: 700;
  color: var(--primary-color);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

.answers-table td {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-light);
}

.answers-table tr:hover {
  background: rgba(0, 229, 255, 0.05);
}

.answers-table tr:last-child td {
  border-bottom: none;
}

/* ===== BUS CARD ===== */
.bus-card-link {
  text-decoration: none;
  color: inherit;
}

.bus-card {
  background: rgba(15, 20, 25, 0.6);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-top: var(--space-2xl);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  /* CENTER ALIGNMENT */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-lg);
}

.bus-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.15) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.bus-card:hover {
  transform: translateY(-6px);
  border-color: #25d366;
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.25);
  text-decoration: none;
}

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

.bus-card h3 {
  position: relative;
  z-index: 2;
  margin: 0;
  font-size: 1.5rem;
}

.bus-card p {
  position: relative;
  z-index: 2;
  margin: 0;
  color: #b0bec5;
  max-width: 500px;
}

.btn-join {
  background: #25d366;
  color: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: 600;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  margin-top: var(--space-lg);
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  text-decoration: none;
}

.btn-join:hover {
  background: #1ebe5d;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
  transform: scale(1.05);
  text-decoration: none;
}

.whatsapp-join-btn {
  background: #25d366;
}

/* ===== CENTERED CARD ===== */
.centered-card {
  max-width: 500px;
  margin: clamp(var(--space-3xl), 10vh, 80px) auto;
  text-align: center;
}

/* ===== BACK LINK ===== */
.back-dashboard {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  font-size: 0.95rem;
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-base);
}

.back-dashboard:hover {
  color: var(--primary-color);
  transform: translateX(-4px);
  text-decoration: none;
}

/* ===== MISC ===== */
#check-info {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.google-btn {
  background: white;
  color: #333;
  padding: clamp(var(--space-md), 2vw, var(--space-lg)) var(--space-2xl);
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  margin-top: var(--space-xl);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.google-btn:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
  text-decoration: none;
}

/* ===== FOOTER ===== */
.footer {
  background: rgba(15, 20, 25, 0.8);
  backdrop-filter: var(--glass-blur);
  text-align: center;
  padding: var(--space-2xl);
  margin-top: var(--space-3xl);
  color: #78909c;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  :root {
    --space-xl: 16px;
    --space-2xl: 20px;
  }

  .header-flex {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .header h2 {
    font-size: 1.5rem;
  }

  .nav-links {
    justify-content: center;
    gap: var(--space-md);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .question-row {
    flex-direction: column;
  }

  .q-label {
    min-width: unset;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .dashboard-actions {
    grid-template-columns: 1fr;
  }

  .welcome-card::before {
    right: -100px;
    width: 300px;
    height: 300px;
  }

  .table-wrapper {
    margin: var(--space-lg) -var(--space-lg);
    border-radius: 0;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .dashboard-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}