/* === COMPONENTS === */

/* --- Base Reset --- */
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 0.95rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6,
.heading {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.2;
}

.page-title { font-size: 1.75rem; font-weight: 800; }
.section-heading { font-size: 1.35rem; font-weight: 700; line-height: 1.3; }
.card-heading { font-size: 1.1rem; font-weight: 700; line-height: 1.3; }
.stat-number { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.label-text { font-size: 0.8rem; font-weight: 600; color: var(--color-text-secondary); }

/* --- Cards --- */
.cq-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.cq-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.cq-card--hero {
  padding: var(--space-xl);
}
.cq-card--accent-left {
  border-left: 3px solid var(--color-primary);
}
.cq-card--clickable {
  cursor: pointer;
}
.cq-card--clickable:hover {
  border-left: 3px solid var(--color-primary);
}

/* --- Buttons --- */
.cq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.4;
}
.cq-btn:hover {
  transform: translateY(-1px);
}
.cq-btn:active {
  transform: translateY(0);
}

.cq-btn--primary {
  background: var(--color-primary);
  color: #ffffff;
}
.cq-btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
  color: #ffffff;
}

.cq-btn--secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.cq-btn--secondary:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.cq-btn--accent {
  background: var(--gradient-accent);
  color: #ffffff;
}
.cq-btn--accent:hover {
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
  color: #ffffff;
}

.cq-btn--ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 0.7rem 1rem;
}
.cq-btn--ghost:hover {
  background: var(--color-primary-light);
}

.cq-btn--sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}
.cq-btn--lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}
.cq-btn--block {
  width: 100%;
}

/* --- Form Inputs --- */
.cq-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-base);
}
.cq-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}
.cq-input::placeholder {
  color: var(--color-text-secondary);
}

.cq-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

/* --- Progress Bar --- */
.cq-progress {
  height: 6px;
  background: var(--color-border);
  border-radius: 10px;
  overflow: hidden;
}
.cq-progress__fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 10px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.cq-progress__fill--accent {
  background: var(--gradient-accent);
}
.cq-progress__fill--shimmer::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

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

/* --- Badges --- */
.cq-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}
.cq-badge--level {
  background: var(--color-primary);
  color: #ffffff;
}
.cq-badge--streak {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
}
.cq-badge--xp {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* --- Alerts / Toasts --- */
.cq-toast {
  position: fixed;
  top: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  max-width: 420px;
  width: calc(100% - 2rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.cq-toast__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: #0f766e;
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  animation: toastIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.85rem;
  font-weight: 500;
}
.cq-toast__item i { color: #ffffff; }
.cq-toast__item--success { background: #059669; }
.cq-toast__item--error { background: #dc2626; }
.cq-toast__item--warning { background: #d97706; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* --- Navbar --- */
.cq-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.6rem 1rem;
  transition: all var(--transition-base);
}
[data-theme="dark"] .cq-navbar {
  background: rgba(30, 41, 59, 0.9);
}
.cq-navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cq-navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
}
.cq-navbar__brand-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cq-navbar__brand-logo {
  height: 36px;
  width: auto;
}
.cq-navbar__stats {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.cq-navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: auto;
}
.cq-navbar__link {
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}
.cq-navbar__link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.cq-navbar__link--active {
  color: var(--color-primary);
  font-weight: 600;
}
.cq-navbar__link--active::after {
  content: '';
  position: absolute;
  bottom: -0.6rem;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* Mobile nav drawer */
.cq-navbar__drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100vh;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  padding: var(--space-xl);
  transition: right var(--transition-base);
  flex-direction: column;
  gap: var(--space-sm);
}
.cq-navbar__drawer--open {
  right: 0;
}
.cq-navbar__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
}
.cq-navbar__overlay--visible {
  display: block;
}
.cq-navbar__hamburger {
  display: none;
  background: none;
  border: none;
  padding: var(--space-sm);
  cursor: pointer;
  color: var(--color-text);
}

/* --- Footer --- */
.cq-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-2xl);
}
.cq-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.cq-footer__brand {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
}
.cq-footer__links {
  display: flex;
  gap: var(--space-lg);
}
.cq-footer__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
}
.cq-footer__link:hover {
  color: var(--color-primary);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .cq-navbar { padding: 0.5rem 0.75rem; }
  .cq-navbar__nav { display: none; }
  .cq-navbar__stats { margin-left: auto; }
  .cq-navbar__hamburger { display: flex; }
  .cq-navbar__drawer { display: flex; }

  .cq-card { padding: var(--space-md); }
  .cq-card--hero { padding: var(--space-lg); }
  .page-title { font-size: 1.4rem; }
  .section-heading { font-size: 1.15rem; }

  .cq-footer__inner { flex-direction: column; text-align: center; }
}

/* Compact navbar on mobile */
@media (max-width: 576px) {
  .cq-navbar {
    padding: 0.3rem 0.5rem;
  }
  .cq-navbar__inner {
    gap: 0.35rem;
  }
  .cq-navbar__brand {
    gap: 0.2rem;
  }
  .cq-navbar__brand-logo {
    height: 26px;
  }
  .cq-navbar__brand-text {
    font-size: 1.05rem;
  }
  .cq-navbar__stats {
    gap: 0.2rem;
  }
  .cq-badge {
    padding: 0.1rem 0.4rem;
    font-size: 0.65rem;
    gap: 0.15rem;
  }
  .cq-navbar__hamburger {
    padding: 0.3rem;
  }
  .cq-navbar__hamburger i {
    font-size: 1.1rem;
  }
}

@media (max-width: 375px) {
  .cq-navbar { padding: 0.4rem 0.5rem; }
  .cq-navbar__brand-text { font-size: 1.1rem; }
  .cq-navbar__brand-logo { height: 24px; }
  .cq-navbar__brand { gap: 0.25rem; }
  .page-title { font-size: 1.25rem; }
  .stat-number { font-size: 1.25rem; }
}