/* =============================================
   DATA PARTNER — Component Styles
   Glass Cards, Neon Buttons, Forms, Tables
   ============================================= */

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-base);
}

.navbar.scrolled::before {
  background: var(--bg-deep);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 245, 255, 0.1);
}

.nav-container {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  max-width: 300px;
  height: var(--navbar-height);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  z-index: 1100;
  letter-spacing: -0.01em;
  transition: all var(--transition-base);
  overflow: hidden;
  flex-shrink: 0;
}

.nav-logo:hover {
  transform: translateY(-1px);
}

.nav-logo:hover .logo-img {
  transform: scale(1.05);
}

.logo-text {
  display: flex;
  align-items: center;
  line-height: 1;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.logo-highlight {
  background: var(--gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav Menu Wrapper */
.nav-menu-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex: 1;
  margin-left: 3rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}

.nav-user-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(0, 245, 255, 0.05);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 245, 255, 0.1);
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.nav-link:hover, .nav-link.active {
  color: var(--neon-cyan);
  background: rgba(0, 245, 255, 0.06);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--neon-cyan);
  border-radius: 1px;
  box-shadow: 0 0 8px var(--neon-cyan);
}

.nav-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  font-size: 1.25rem;
  padding: 4px;
  color: var(--text-primary);
  transition: transform 0.2s, color 0.2s;
  display: flex;
  align-items: center;
}

.nav-icon-btn:hover {
  color: var(--neon-cyan);
  transform: scale(1.1);
}

.notif-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: #ff0055;
  color: white;
  font-size: 0.65rem;
  font-weight: 800;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 0 12px #ff0055;
  border: 1.5px solid var(--bg-primary);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dropdown-arrow {
  transition: transform var(--transition-fast);
}

.nav-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 200px;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.nav-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.dropdown-item:hover {
  color: var(--neon-cyan);
  background: rgba(0, 245, 255, 0.08);
}

/* Mobile Controls */
.nav-mobile-controls {
  display: none;
  align-items: center;
  gap: var(--space-md);
  z-index: 1100;
}

.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 22, 0.7);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 900;
}

.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ===== GLASS CARD ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Dashboard Grid Utilities */
.dashboard-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 1200px) {
  .dashboard-grid-2 {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 245, 255, 0.3), transparent);
}

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

.glass-card-neon {
  position: relative;
}

.glass-card-neon::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient-primary);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card-neon:hover::after {
  opacity: 0.5;
}

/* ===== NEON BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--gradient-cyan);
  color: var(--bg-deep);
  box-shadow: 0 4px 15px rgba(0, 245, 255, 0.25);
}
.btn-primary:hover {
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

.btn-magenta {
  background: var(--gradient-magenta);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 0, 255, 0.25);
}
.btn-magenta:hover {
  box-shadow: var(--glow-magenta);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 245, 255, 0.3);
}
.btn-ghost:hover {
  background: rgba(0, 245, 255, 0.08);
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-sm);
}

.btn-success {
  background: linear-gradient(135deg, #00ff88, #00cc66);
  color: var(--bg-deep);
}
.btn-success:hover {
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, #ff4d6a, #ff2d4a);
  color: white;
}
.btn-danger:hover {
  box-shadow: 0 0 20px rgba(255, 77, 106, 0.3);
  transform: translateY(-2px);
}

.btn-sm { padding: 0.45rem 1rem; font-size: 0.8rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }

.btn-loading { pointer-events: none; opacity: 0.7; }
.btn-loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 8px;
}

/* ===== FORM INPUTS ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.form-input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(15, 21, 56, 0.5);
  border: 1px solid rgba(0, 245, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: all var(--transition-base);
  outline: none;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1), var(--glow-sm);
  background: rgba(15, 21, 56, 0.7);
}

.form-input:hover:not(:focus) {
  border-color: rgba(0, 245, 255, 0.25);
}

.form-select {
  appearance: none;
  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 d='M3 5l3 3 3-3' stroke='%2394a3c8' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

textarea.form-input {
  min-height: 100px;
  resize: vertical;
}

/* ===== DATA TABLE ===== */
.data-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table thead {
  background: rgba(0, 245, 255, 0.05);
}

.data-table th {
  padding: 0.9rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--neon-cyan);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
}

.data-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid rgba(0, 245, 255, 0.04);
  color: var(--text-secondary);
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(0, 245, 255, 0.03);
}

/* ===== STATUS BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge-active, .badge-approved {
  background: rgba(0, 255, 136, 0.1);
  color: var(--status-success);
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.badge-pending {
  background: rgba(255, 184, 0, 0.1);
  color: var(--status-warning);
  border: 1px solid rgba(255, 184, 0, 0.2);
}

.badge-inactive, .badge-rejected {
  background: rgba(255, 77, 106, 0.1);
  color: var(--status-error);
  border: 1px solid rgba(255, 77, 106, 0.2);
}

.badge-info {
  background: rgba(0, 180, 255, 0.1);
  color: var(--status-info);
  border: 1px solid rgba(0, 180, 255, 0.2);
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ===== STAT CARDS ===== */
.stat-card {
  padding: var(--space-lg);
  text-align: center;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto var(--space-md);
  background: rgba(0, 245, 255, 0.08);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 22, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  animation: scaleIn 0.3s var(--transition-spring);
  position: relative;
}

.modal-content.modal-large {
  max-width: 95vw;
  width: 95vw;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  border-color: var(--status-error);
  color: var(--status-error);
  background: rgba(255, 77, 106, 0.1);
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  top: calc(var(--navbar-height) + var(--space-md));
  right: var(--space-xl);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  animation: slideInRight 0.4s var(--transition-spring);
  max-width: 380px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast-success { background: rgba(0, 255, 136, 0.1); border-color: rgba(0, 255, 136, 0.2); color: var(--status-success); }
.toast-error { background: rgba(255, 77, 106, 0.1); border-color: rgba(255, 77, 106, 0.2); color: var(--status-error); }
.toast-info { background: rgba(0, 180, 255, 0.1); border-color: rgba(0, 180, 255, 0.2); color: var(--status-info); }
.toast-warning { background: rgba(255, 184, 0, 0.1); border-color: rgba(255, 184, 0, 0.2); color: var(--status-warning); }

/* ===== TABS ===== */
.tabs {
  display: flex;
  gap: 2px;
  background: rgba(15, 21, 56, 0.5);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.tab-btn {
  flex: 1;
  padding: 0.7rem 1.2rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.tab-btn:hover {
  color: var(--text-secondary);
  background: rgba(0, 245, 255, 0.05);
}

.tab-btn.active {
  color: var(--neon-cyan);
  background: rgba(0, 245, 255, 0.1);
  box-shadow: var(--glow-sm);
}

/* ===== FILE UPLOAD ZONE ===== */
.upload-zone {
  border: 2px dashed rgba(0, 245, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: rgba(0, 245, 255, 0.02);
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--neon-cyan);
  background: rgba(0, 245, 255, 0.06);
  box-shadow: inset 0 0 30px rgba(0, 245, 255, 0.05);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  display: block;
}

.upload-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.upload-text strong {
  color: var(--neon-cyan);
}

/* ===== SECTION HEADER ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ===== LOADING SPINNER ===== */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}

.page-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 40vh;
  gap: var(--space-md);
  color: var(--text-muted);
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .nav-menu-wrapper {
    margin-left: 1.5rem;
  }
}

@media (max-width: 768px) {
  .nav-mobile-controls {
    display: flex;
  }

  .nav-menu-wrapper {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(5, 8, 22, 0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: calc(var(--navbar-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    margin-left: 0;
    border-left: 1px solid var(--glass-border);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
  }

  .nav-menu-wrapper.open {
    transform: translateX(-100%);
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
  }

  .nav-link {
    width: 100%;
    font-size: 1.1rem;
    padding: 0.8rem 1rem;
  }

  .nav-actions {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: var(--space-lg);
    margin-left: 0;
  }

  .nav-user-group {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    background: none;
    padding: 0;
    border: none;
    gap: var(--space-md);
  }

  .nav-icon-btn {
    padding: 0.8rem 1rem;
    width: 100%;
    justify-content: flex-start;
    gap: 12px;
    font-size: 1.1rem;
    background: rgba(0, 245, 255, 0.05);
    border-radius: var(--radius-sm);
  }

  .nav-dropdown {
    width: 100%;
  }

  .dropdown-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    background: rgba(0, 245, 255, 0.05);
    border-radius: var(--radius-sm);
  }

  .dropdown-menu {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    width: 100%;
    box-shadow: none;
    background: rgba(0, 245, 255, 0.02);
    margin-top: var(--space-xs);
    border: none;
    padding-left: var(--space-lg);
  }

  .nav-dropdown.open .dropdown-menu {
    display: block;
  }

  .dropdown-item {
    padding: 0.8rem 1rem;
    font-size: 1rem;
  }

  .login-btn {
    text-align: center;
    background: var(--gradient-cyan) !important;
    color: var(--bg-deep) !important;
    justify-content: center;
  }

  .glass-card {
    padding: var(--space-lg);
  }

  .stat-value { font-size: 1.5rem; }
  
  /* Tables — compact on mobile */
  .data-table th,
  .data-table td {
    padding: 0.5rem 0.6rem;
    font-size: 0.78rem;
  }

  .data-table-wrapper {
    -webkit-overflow-scrolling: touch;
  }

  /* Modals — full width on mobile */
  .modal-overlay {
    padding: var(--space-sm);
  }

  .modal-content {
    width: 95vw;
    max-width: 95vw;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
  }

  /* Tabs — horizontal scroll on mobile */
  .section-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    gap: var(--space-sm);
    padding-bottom: var(--space-xs);
  }

  .section-tabs::-webkit-scrollbar { display: none; }

  .dashboard-tab {
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: 0.4rem 0.9rem;
  }

  /* Toast — centered on mobile */
  .toast-container {
    right: var(--space-sm);
    left: var(--space-sm);
  }

  .toast { max-width: 100%; }

  /* Form inputs — compact on mobile */
  .form-input {
    padding: 0.65rem 0.8rem;
    font-size: 0.85rem;
  }

  /* Section header — stack on mobile */
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .nav-menu-wrapper {
    width: 85%;
  }

  .glass-card {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }

  .stat-value { font-size: 1.2rem; }
  .stat-icon { width: 36px; height: 36px; font-size: 1.1rem; }

  .data-table th,
  .data-table td {
    padding: 0.4rem 0.5rem;
    font-size: 0.72rem;
  }

  .btn {
    padding: 0.6rem 1rem;
    font-size: 0.82rem;
  }

  .btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.72rem;
  }
}

/* ===== SCROLL-TO-TOP BUTTON ===== */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-cyan);
  color: var(--bg-deep);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1500;
  box-shadow: 0 4px 20px rgba(0, 245, 255, 0.4);
  transition: opacity 0.3s, transform 0.3s;
  opacity: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-top-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 6px 30px rgba(0, 245, 255, 0.6);
}

/* ===== RESPONSIVE MODAL GRID ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

@media (max-width: 550px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .modal-content {
    max-height: 90vh;
  }
  .scroll-top-btn {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

.auth-icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.auth-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 15px rgba(0, 245, 255, 0.4));
}

.welcome-avatar-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(0, 245, 255, 0.3));
}