/* assets/css/components.css — Reusable Components */

/* --- Mobile Header --- */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: 64px;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-color);
  padding: 0 20px;
  align-items: center;
  justify-content: space-between;
  z-index: 95;
  transition: background-color var(--transition-theme), border-color var(--transition-theme);
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 16px;
  color: var(--text-main);
}

.mobile-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-weight: 800;
  font-size: 14px;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.icon-btn:hover {
  background-color: var(--border-color);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
  z-index: 98;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* --- Sidebar --- */
.sidebar {
  width: 320px;
  background-color: var(--bg-sidebar);
  height: 100vh;
  position: fixed;
  right: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  padding: 36px 28px;
  border-left: 1px solid var(--sidebar-border);
  z-index: 100;
  overflow-y: auto;
  text-align: right;
  transition: transform var(--transition-normal), background-color var(--transition-theme), border-color var(--transition-theme);
}

.sidebar-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.sidebar-close-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-xs);
}

.sidebar-close-btn:hover {
  color: var(--text-main);
}

.author-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  margin-bottom: 28px;
}

.author-img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.author-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text-main);
}

.author-role {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.5;
}

.divider {
  height: 1px;
  background-color: var(--border-color);
  width: 100%;
  margin: 0 0 24px 0;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-item.active {
  background-color: var(--accent-light);
  color: var(--accent);
  font-weight: 700;
}

.nav-item:hover:not(.active) {
  background-color: var(--border-color);
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 24px;
}

.nav-cta {
  display: block;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 700;
  text-align: center;
  background: var(--accent);
  color: #ffffff !important;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--border-color);
}

/* --- Main Content Area --- */
.main-content {
  margin-right: 320px;
  flex: 1;
  padding: 56px 72px;
  max-width: 1320px;
  min-width: 0;
  transition: background-color var(--transition-theme);
}

/* --- Section Headers --- */
.section-header {
  margin-bottom: 28px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 680px;
}

/* --- Buttons --- */
.btn-primary {
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  font-weight: 700;
  background: var(--accent);
  color: #ffffff !important;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-secondary {
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-size: 14.5px;
  font-weight: 700;
  background: transparent;
  color: var(--text-main);
  border: 1.5px solid var(--border-color);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--border-color);
  transform: translateY(-2px);
}

/* --- Filters --- */
.filters {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover:not(.active) {
  background-color: var(--border-color);
}

.filter-btn.active {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* --- Grids --- */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
}

/* --- Cards --- */
.card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-img-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--border-color);
  aspect-ratio: 16 / 9;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-tag {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid transparent;
}

.card-title {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.3px;
}

.card-title:hover {
  color: var(--accent);
}

.card-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: auto;
}

/* --- Breadcrumbs --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-sep {
  opacity: 0.4;
}

/* --- Toast Notification --- */
.toast-notification {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--accent);
  color: #ffffff;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* --- Forms --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-main);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  background: var(--input-bg);
  color: var(--text-main);
  font-size: 14.5px;
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.6;
}

.form-checkbox {
  margin-top: 3px;
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

.form-status {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  margin-top: 12px;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.form-status.loading {
  display: block;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--border-color);
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border-color);
  margin-top: 80px;
  padding-top: 48px;
  padding-bottom: 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.footer-brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.footer-brand-desc {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 240px;
  line-height: 1.7;
  margin-top: 6px;
}

.footer-columns {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-muted);
}

/* --- Responsive Breakpoints --- */
@media (max-width: 1024px) {
  .main-content {
    padding: 40px 48px;
  }
}

@media (max-width: 900px) {
  .mobile-header {
    display: flex;
  }
  .sidebar {
    transform: translateX(100%);
    box-shadow: var(--drawer-shadow);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-close-btn {
    display: block;
  }
  .main-content {
    margin-right: 0;
    padding: 88px 20px 48px;
  }
  .grid-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}