/* ==========================================================================
   ExamCracker AI - Reusable UI Components
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  outline: none;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
  background: linear-gradient(135deg, #7c3aed 0%, var(--primary) 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-cyan {
  background: linear-gradient(135deg, var(--cyber-cyan) 0%, #0891b2 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
}

.btn-cyan:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.55);
}

.btn-danger {
  background: linear-gradient(135deg, var(--crimson-alert) 0%, #e11d48 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(244, 63, 94, 0.35);
}

.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(244, 63, 94, 0.55);
}

.btn-outline-glow {
  background: rgba(99, 102, 241, 0.08);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--primary-light);
}

.btn-outline-glow:hover {
  background: rgba(99, 102, 241, 0.18);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

/* Glass Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Stat & Telemetry HUD Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--stat-accent, var(--primary)), transparent);
}

.stat-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.stat-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.trend-up { color: var(--emerald-green); font-weight: 600; }
.trend-down { color: var(--crimson-alert); font-weight: 600; }

/* Circular Readiness Ring Gauge */
.readiness-ring-wrap {
  position: relative;
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.readiness-bg-circle {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 8;
}

.readiness-progress-circle {
  fill: none;
  stroke: url(#readinessGradient);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 60;
  transition: stroke-dashoffset 1s ease-out;
}

.readiness-text-inner {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.readiness-score-number {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.readiness-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

/* Modal Dialog Component */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-box {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 35px rgba(99, 102, 241, 0.2);
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 32px;
  position: relative;
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 999;
}

.toast {
  background: #1e293b;
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: #fff;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* =========================================================================
   Skeleton Loading States
   ========================================================================= */
@keyframes shimmer {
  0% { background-position: -468px 0; }
  100% { background-position: 468px 0; }
}

.skeleton-box {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.04) 75%
  );
  background-size: 936px 100%;
  animation: shimmer 1.4s infinite linear;
  border-radius: var(--radius-sm);
}

/* =========================================================================
   Pro Subscription Badge
   ========================================================================= */
.badge-pro {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #f59e0b, #ec4899);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* =========================================================================
   Mobile-Safe Modal Scrolling (touch devices)
   ========================================================================= */
.modal-overlay.active {
  display: flex;
  opacity: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.modal-box {
  /* Mobile touch scroll safety */
  overscroll-behavior: contain;
}

/* On very small screens (< 375px), modals go full-width */
@media (max-width: 390px) {
  .modal-box {
    width: 100% !important;
    max-width: 100% !important;
    margin: auto 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: 92vh;
    padding: 20px 16px;
  }

  .modal-overlay.active {
    align-items: flex-end;
  }
}

/* ========================================================================
   Dynamic AI Mock Test — searchable, comprehensive, free
   ======================================================================== */
.dynamic-test-modal-box { max-width: 720px !important; }
.dynamic-test-header { display:flex; align-items:center; gap:12px; margin-bottom:14px; }
.dynamic-test-icon { font-size:2rem; }
.dynamic-test-header h3 { font-family:var(--font-heading); font-size:1.35rem; font-weight:800; color:#fff; margin:0; }
.dynamic-test-header p { font-size:.8rem; color:var(--text-muted); margin:3px 0 0; line-height:1.45; }
.dynamic-test-free-badge { display:inline-flex; align-items:center; padding:6px 10px; border:1px solid rgba(34,197,94,.28); background:rgba(34,197,94,.08); color:#86efac; border-radius:999px; font-size:.68rem; font-weight:800; letter-spacing:.04em; margin-bottom:16px; }
.dynamic-field { margin-bottom:14px; min-width:0; }
.dynamic-field > label { display:block; font-size:.85rem; font-weight:700; color:#fff; margin-bottom:6px; }
.dynamic-field select { width:100%; box-sizing:border-box; background:#1e293b; border:1px solid var(--border-subtle); color:#fff; padding:11px 14px; border-radius:var(--radius-sm); font-size:.88rem; outline:none; min-height:44px; }
.dynamic-field select:focus, .search-select:focus-within { border-color:var(--primary-light); box-shadow:0 0 0 3px rgba(99,102,241,.12); }
.dynamic-field-hint { color:var(--text-dim); font-size:.68rem; margin-top:5px; }
.search-select { position:relative; width:100%; }
.search-select > input { width:100%; box-sizing:border-box; min-height:44px; padding:11px 42px 11px 14px; background:#1e293b; border:1px solid var(--border-subtle); color:#fff; border-radius:var(--radius-sm); font-size:.88rem; outline:none; }
.search-select > input::placeholder { color:#94a3b8; }
.search-select-chevron { position:absolute; right:4px; top:4px; height:36px; width:36px; border:0; background:transparent; color:#cbd5e1; cursor:pointer; font-size:1.05rem; }
.search-select-menu { display:none; position:absolute; z-index:1005; left:0; right:0; top:calc(100% + 5px); max-height:260px; overflow:auto; background:#111827; border:1px solid #334155; border-radius:10px; box-shadow:0 18px 40px rgba(0,0,0,.45); padding:5px; }
.search-select.open .search-select-menu { display:block; }
.search-select-option { display:block; width:100%; border:0; background:transparent; color:#e5e7eb; text-align:left; padding:9px 10px; border-radius:7px; cursor:pointer; font-size:.82rem; line-height:1.25; }
.search-select-option:hover, .search-select-option.active { background:rgba(99,102,241,.18); color:#fff; }
.search-select-empty { padding:14px 10px; color:#94a3b8; font-size:.78rem; }
.dynamic-test-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:6px; }
.dynamic-test-footer { text-align:center; color:var(--text-dim); font-size:.68rem; margin-top:9px; }
@media (max-width:600px) {
  .dynamic-test-modal-box { width:calc(100vw - 24px) !important; max-height:calc(100vh - 24px); overflow-y:auto; padding:18px !important; }
  .dynamic-test-grid { grid-template-columns:1fr; gap:0; }
  .dynamic-test-header h3 { font-size:1.1rem; }
  .dynamic-test-header p { font-size:.74rem; }
  .search-select-menu { max-height:210px; }
}