/* Stu-MM Corporate - Premium Acrylic UI Components & Refined Buttons */

/* --- HEADER & ACRYLIC NAVBAR --- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--bg-surface-acrylic);
  backdrop-filter: var(--backdrop-acrylic);
  -webkit-backdrop-filter: var(--backdrop-acrylic);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo img {
  height: 40px;
  max-height: 44px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-bounce);
}

.brand-logo:hover img {
  transform: scale(1.03);
}

/* Nav Menu Desktop */
.nav-menu {
  display: none;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

@media (min-width: 992px) {
  .nav-menu { display: flex; }
}

.nav-link {
  font-family: var(--font-family-base);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-brand-teal-light);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 3px;
  background: var(--gradient-text-teal-lime);
  border-radius: var(--radius-full);
  animation: fadeIn 0.3s ease;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--color-brand-teal-light);
  color: var(--color-brand-teal-light);
  transform: rotate(15deg) scale(1.04);
}

/* Mobile Nav Toggle Hamburger */
.mobile-toggle-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-main);
}

@media (min-width: 992px) {
  .mobile-toggle-btn { display: none; }
}

.mobile-toggle-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Drawer Overlay */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0; right: 0; bottom: 0;
  background: var(--bg-surface-acrylic);
  backdrop-filter: var(--backdrop-acrylic);
  -webkit-backdrop-filter: var(--backdrop-acrylic);
  border-top: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: 999;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-nav-link {
  font-family: var(--font-family-heading);
  font-size: 1.25rem;
  color: var(--text-main);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-bounce);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

/* Button Primary: Elegant Teal matching "Building Sanctuaries" */
.btn-primary {
  background: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
  color: #FFFFFF;
  border: 1px solid rgba(20, 184, 166, 0.3);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #14B8A6 0%, #84CC16 100%);
  color: #0F172A;
  box-shadow: 0 6px 18px rgba(20, 184, 166, 0.3);
  transform: translateY(-2px) scale(1.02);
}

.btn-secondary {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-acrylic);
  -webkit-backdrop-filter: var(--backdrop-acrylic);
  color: var(--text-main);
  border: var(--border-acrylic);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-brand-teal-light);
  color: var(--color-brand-teal-light);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-md);
}

/* Button Accent: Subtle Teal-Lime matching "Building Sanctuaries" */
.btn-accent {
  background: linear-gradient(135deg, #14B8A6 0%, #84CC16 100%);
  color: #0F172A;
  font-weight: 700;
  border: 1px solid rgba(132, 204, 22, 0.3);
  box-shadow: 0 4px 12px rgba(20, 184, 166, 0.2);
}

.btn-accent:hover {
  background: linear-gradient(135deg, #84CC16 0%, #A3E635 100%);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 18px rgba(132, 204, 22, 0.3);
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* --- CARDS & ACRYLIC GLASS --- */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-acrylic);
  -webkit-backdrop-filter: var(--backdrop-acrylic);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  box-shadow: var(--shadow-acrylic);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-brand);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-glass, .card-acrylic {
  background: var(--bg-surface-acrylic);
  backdrop-filter: var(--backdrop-acrylic);
  -webkit-backdrop-filter: var(--backdrop-acrylic);
  border: var(--border-acrylic);
}

.card-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--color-brand-teal-glow);
  color: var(--color-brand-teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: transform var(--transition-bounce);
}

.card:hover .card-icon-wrapper {
  transform: scale(1.08) rotate(4deg);
}

/* --- FORM CONTROLS --- */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface-acrylic);
  backdrop-filter: var(--backdrop-acrylic);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-brand-teal-light);
  box-shadow: 0 0 0 4px var(--color-brand-teal-glow);
}

/* --- TABS --- */
.tabs-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 2px;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

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

.tab-btn.active {
  color: var(--color-brand-teal-light);
  border-bottom-color: var(--color-brand-teal-light);
}

/* --- DATA TABLE --- */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-acrylic);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th, .data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-surface-elevated);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.data-table tr:hover {
  background: var(--bg-surface-elevated);
}

/* --- STATUS BADGES --- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge.success {
  background: rgba(132, 204, 22, 0.18);
  color: var(--color-brand-lime);
  border: 1px solid rgba(132, 204, 22, 0.35);
}

.status-badge.info {
  background: rgba(20, 184, 166, 0.18);
  color: var(--color-brand-teal-light);
  border: 1px solid var(--border-brand);
}

/* --- MODAL --- */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(8, 12, 21, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface-acrylic);
  backdrop-filter: var(--backdrop-acrylic);
  -webkit-backdrop-filter: var(--backdrop-acrylic);
  border: var(--border-acrylic);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.25rem;
  position: relative;
  transform: translateY(30px) scale(0.95);
  transition: transform var(--transition-bounce);
  box-shadow: var(--shadow-lg);
}

.modal-backdrop.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

/* --- TOAST NOTIFICATIONS --- */
.toast-container {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 3000;
  pointer-events: none;
}

.toast {
  background: var(--bg-surface-acrylic);
  backdrop-filter: var(--backdrop-acrylic);
  -webkit-backdrop-filter: var(--backdrop-acrylic);
  color: var(--text-main);
  border: var(--border-brand);
  padding: 1rem 1.35rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  pointer-events: auto;
  animation: fadeIn 0.3s ease;
}

/* --- FOOTER --- */
.site-footer {
  background: var(--bg-surface-acrylic);
  backdrop-filter: var(--backdrop-acrylic);
  -webkit-backdrop-filter: var(--backdrop-acrylic);
  border-top: 1px solid var(--border-color);
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr repeat(3, 1fr); }
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-brand-teal-light);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-subtle);
}

@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; }
}