/* ============================================================
   BOOKLY — COMPONENT STYLES
   Sidebar, topbar, cards, buttons, tables, modals, toasts, etc.
   This file is built out phase by phase (starting Phase 3).
   ============================================================ */

/* ============================================================
   AUTH SCREEN (login / signup)
   ============================================================ */

.auth-screen {
  min-height: 100vh;
  display: flex;
}

.auth-screen-simple {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 600px 400px at 50% 0%, color-mix(in srgb, var(--primary-light) 55%, transparent) 0%, transparent 65%),
    var(--bg);
  padding: var(--space-6);
}

[data-theme="dark"] .auth-screen-simple {
  background:
    radial-gradient(ellipse 600px 400px at 50% 0%, color-mix(in srgb, var(--primary-dark) 40%, transparent) 0%, transparent 65%),
    var(--bg);
}

.auth-split-left {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark, #0c3d2e) 100%);
  padding: var(--space-8);
}

.auth-split-content {
  max-width: 380px;
  color: white;
}

.auth-split-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: rgba(255, 255, 255, 0.15);
  padding: 6px;
  margin-bottom: var(--space-4);
}

.auth-split-title {
  font-size: 26px;
  color: white;
  margin-bottom: var(--space-2);
}

.auth-split-tagline {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.auth-split-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-split-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.95);
}

.auth-split-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: var(--bg);
  min-width: 0;
}

.auth-brand-mobile-only {
  display: none;
}

@media (max-width: 900px) {
  .auth-split-left {
    display: none;
  }

  .auth-split-right {
    flex: none;
    width: 100%;
  }

  .auth-brand-mobile-only {
    display: flex;
  }
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-8) var(--space-8) var(--space-6);
  width: 100%;
  max-width: 400px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.auth-brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  flex-shrink: 0;
}

.auth-title {
  font-family: var(--font-heading);
  color: var(--text);
  font-size: 20px;
  font-weight: 600;
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: var(--space-6);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.auth-form label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: var(--space-3);
}

.auth-form input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  outline: none;
  font-size: 14px;
  transition: border-color 0.15s ease;
}

.auth-form input:focus {
  border-color: var(--primary);
}

.password-field {
  position: relative;
  display: flex;
}

.password-field input {
  width: 100%;
  padding-right: 40px;
}

.password-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 15px;
  padding: 6px 8px;
  line-height: 1;
  opacity: 0.6;
}

.password-toggle:hover {
  opacity: 1;
}

.auth-links {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-4);
  font-size: 13px;
}

.auth-links a {
  color: var(--primary);
  font-weight: 500;
}

.auth-links a:hover {
  text-decoration: underline;
}

.auth-error {
  background: var(--danger);
  color: white;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 500;
  margin-top: var(--space-4);
  transition: opacity 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  opacity: 0.9;
}

/* ============================================================
   APP SHELL — SIDEBAR, TOPBAR, LAYOUT
   ============================================================ */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-4);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-2);
  margin-bottom: var(--space-8);
}

.sidebar-brand-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.12s ease, color 0.12s ease, transform 0.12s ease;
  position: relative;
}

.nav-link:hover {
  background: var(--bg);
  color: var(--text);
  transform: translateX(2px);
}

.nav-link.active::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  border-radius: 2px;
  background: var(--primary);
}

.nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

[data-theme="dark"] .nav-link.active {
  background: var(--primary-dark);
  color: var(--primary);
}

.nav-icon {
  font-size: 15px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-4) var(--space-2);
}

.sidebar-logout {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-3);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
}

.sidebar-logout:hover {
  background: var(--bg);
  color: var(--danger);
}

.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.topbar-greeting {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
}

.theme-toggle {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

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

.theme-icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.theme-icon-sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

.theme-icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-icon-moon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

.theme-toggle-spin {
  animation: themeSpin 0.4s ease;
}

@keyframes themeSpin {
  50% { transform: scale(0.85) rotate(20deg); }
}

.page-content {
  flex: 1;
  padding: var(--space-8);
}

.page-placeholder {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  text-align: center;
}

.page-placeholder-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.page-placeholder h2 {
  margin-bottom: var(--space-2);
}

.text-secondary {
  color: var(--text-secondary);
  font-size: 14px;
}

.mobile-menu-btn {
  display: none;
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 30;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  font-size: 17px;
}

.sidebar-backdrop {
  display: none;
}

/* ============================================================
   TOASTS
   ============================================================ */

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 100;
}

.toast {
  background: var(--text);
  color: var(--card);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-success {
  background: var(--success);
  color: white;
}

.toast-error {
  background: var(--danger);
  color: white;
}

/* ============================================================
   RESPONSIVE — MOBILE SIDEBAR DRAWER
   ============================================================ */

@media (max-width: 860px) {
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 40;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-md);
  }

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

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 35;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  .sidebar-backdrop-visible {
    opacity: 1;
    pointer-events: auto;
  }

  .topbar {
    padding-left: var(--space-12);
  }

  .page-content {
    padding: var(--space-4);
  }
}

/* ============================================================
   ICONS
   ============================================================ */

.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.28s ease both;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   BUTTONS — loading state + secondary variant
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: opacity 0.15s ease, background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  margin-top: var(--space-2);
}

.btn-secondary:hover {
  border-color: var(--primary);
  opacity: 1;
}

.btn-loading .btn-label {
  position: relative;
  padding-left: 22px;
}

.btn-loading .btn-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  opacity: 0.85;
  animation: spin 0.7s linear infinite;
}

.btn:disabled {
  opacity: 0.75;
  cursor: default;
}

/* ============================================================
   AVATAR
   ============================================================ */

.avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.avatar-initials {
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
}

[data-theme="dark"] .avatar-initials {
  background: var(--primary-dark);
  color: var(--primary);
}

/* ============================================================
   PHOTO PICKER (signup form)
   ============================================================ */

.photo-picker {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.photo-picker-controls {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.photo-picker-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease;
  width: fit-content;
}

.photo-picker-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.photo-picker-hint {
  font-size: 12px;
}

/* ============================================================
   TOPBAR USER
   ============================================================ */

.topbar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.topbar-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.topbar-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
}

.verify-copy {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* ============================================================
   FOCUS STATES (accessibility)
   ============================================================ */

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Rounded card-style buttons: a plain outline doesn't follow
   border-radius and looks clipped at the corners, so these use
   a box-shadow ring instead, which hugs the rounded shape. */
.stat-card:focus-visible,
.quick-action-card:focus-visible,
.borrower-result:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--primary);
}

/* ============================================================
   SETTINGS PAGE
   ============================================================ */

.settings-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-top: var(--space-4);
  max-width: 560px;
}

.settings-card h3 {
  margin-bottom: var(--space-1);
}

.settings-danger-zone {
  border-color: var(--danger);
}

.btn-danger {
  background: var(--danger);
  color: white;
  margin-top: var(--space-4);
}

.btn-danger:hover {
  opacity: 0.9;
}

/* ============================================================
   MODAL
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 20, 18, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--space-4);
}

.modal-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  width: 100%;
  max-width: 400px;
}

.modal-card label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: var(--space-3);
  margin-bottom: 4px;
}

.modal-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.modal-card input:focus {
  border-color: var(--primary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.modal-actions .btn {
  margin-top: 0;
}

/* ============================================================
   SETTINGS — form fields, grid, theme picker
   ============================================================ */

.settings-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.settings-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3) var(--space-4);
}

@media (max-width: 640px) {
  .settings-form-grid {
    grid-template-columns: 1fr;
  }
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.field-group input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}

.field-group input:focus {
  border-color: var(--primary);
}

.theme-picker {
  display: flex;
  gap: var(--space-2);
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.theme-option:hover {
  border-color: var(--primary);
}

.theme-option-active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

[data-theme="dark"] .theme-option-active {
  background: var(--primary-dark);
}

/* ============================================================
   SIDEBAR WATERMARK
   ============================================================ */

.sidebar-watermark {
  margin-top: auto;
  display: block;
  text-align: center;
  font-size: 11px;
  color: var(--text-secondary);
  opacity: 0.6;
  padding-top: var(--space-4);
  transition: opacity 0.15s ease;
}

.sidebar-watermark:hover {
  opacity: 1;
}

/* ============================================================
   PAGE HEADER / SEARCH BAR (shared across data pages)
   ============================================================ */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--text-secondary);
  max-width: 420px;
}

.search-bar input {
  border: none;
  background: none;
  outline: none;
  color: var(--text);
  font-size: 14px;
  width: 100%;
}

/* ============================================================
   DATA TABLE (used by Donors, and Students/Teachers later)
   ============================================================ */

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  background: var(--bg);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

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

.table-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.icon-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: scale(1.06);
}

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

/* ============================================================
   RESPONSIVE — mobile table collapse & general polish
   ============================================================ */

@media (max-width: 700px) {
  .data-table thead {
    display: none;
  }

  .data-table, .data-table tbody, .data-table tr, .data-table td {
    display: block;
    width: 100%;
  }

  .data-table tr {
    border-bottom: 1px solid var(--border);
    padding: var(--space-3) var(--space-4);
  }

  .data-table td {
    border: none;
    padding: 4px 0;
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
  }

  .data-table td[data-label]:not([data-label=""])::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-secondary);
    flex-shrink: 0;
  }

  .table-actions {
    justify-content: flex-start;
    padding-top: var(--space-2);
  }

  .icon-btn {
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 700px) {
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-bar {
    max-width: none;
    width: 100%;
  }

  .filter-bar select {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .settings-card {
    padding: var(--space-4);
  }

  .modal-card {
    padding: var(--space-4);
  }

  .photo-picker {
    flex-wrap: wrap;
  }

  /* Prevent iOS auto-zoom on input focus */
  input, select, textarea {
    font-size: 16px;
  }
}

.modal-card {
  max-height: 90vh;
  overflow-y: auto;
}

.sidebar {
  max-width: 85vw;
}

/* ============================================================
   SPLASH SCREEN
   ============================================================ */

.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: opacity 0.4s ease;
}

.splash-hidden {
  opacity: 0;
  pointer-events: none;
}

.splash-logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  object-fit: contain;
  opacity: 0;
  animation: splashLogoIn 0.6s ease forwards, splashBreathe 2.2s ease-in-out 0.6s infinite;
}

.splash-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
  color: var(--text);
  opacity: 0;
  animation: splashFadeIn 0.5s ease 0.25s forwards;
}

.splash-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: -6px;
  opacity: 0;
  animation: splashFadeIn 0.5s ease 0.4s forwards;
}

.splash-loader {
  width: 120px;
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
  margin-top: var(--space-4);
  opacity: 0;
  animation: splashFadeIn 0.5s ease 0.55s forwards;
}

.splash-loader-bar {
  width: 40%;
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  animation: splashLoaderSlide 1.1s ease-in-out infinite;
}

@keyframes splashLogoIn {
  from { opacity: 0; transform: scale(0.85) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes splashBreathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes splashFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes splashLoaderSlide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(360%); }
}

/* ============================================================
   RESPONSIVE POLISH — topbar truncation, tight-screen fixes
   ============================================================ */

.topbar {
  flex-wrap: nowrap;
  gap: var(--space-3);
}

.topbar-text {
  min-width: 0;
}

.topbar-greeting,
.topbar-subtitle {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 46vw;
}

.modal-actions {
  flex-wrap: wrap;
}

@media (max-width: 380px) {
  .auth-card {
    padding: var(--space-6) var(--space-4) var(--space-4);
  }

  .modal-actions {
    flex-direction: column-reverse;
  }

  .modal-actions .btn {
    width: 100%;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header .btn {
    width: 100%;
  }
}

/* ============================================================
   FILTER BAR (Students, Teachers, etc.)
   ============================================================ */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.filter-bar select {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text);
  font-size: 13px;
  outline: none;
}

.filter-bar select:focus {
  border-color: var(--primary);
}

/* ============================================================
   STATUS BADGE
   ============================================================ */

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.status-active {
  background: var(--primary-light);
  color: var(--primary);
}

[data-theme="dark"] .status-active {
  background: var(--primary-dark);
}

.status-inactive {
  background: var(--border);
  color: var(--text-secondary);
}

.status-borrowed {
  background: var(--primary-light);
  color: var(--primary);
}

[data-theme="dark"] .status-borrowed {
  background: var(--primary-dark);
}

.status-due-soon {
  background: color-mix(in srgb, var(--warning) 20%, transparent);
  color: var(--warning);
}

.status-due-today {
  background: color-mix(in srgb, var(--warning) 30%, transparent);
  color: var(--warning);
}

.status-overdue {
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  color: var(--danger);
}

.status-returned {
  background: var(--border);
  color: var(--text-secondary);
}

/* ============================================================
   PROFILE HEADER (student/teacher profile pages)
   ============================================================ */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.back-link:hover {
  color: var(--primary);
}

.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  flex-wrap: wrap;
}

.profile-header-info {
  flex: 1;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.profile-header-info h2 {
  margin: 0;
}

.profile-header-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.profile-header-actions .btn {
  margin-top: 0;
}

@media (max-width: 560px) {
  .profile-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .profile-header-actions {
    width: 100%;
  }

  .profile-header-actions .btn {
    flex: 1;
  }
}

/* ============================================================
   BORROWING / RETURNS — type toggle, borrower search results,
   summary card, mini stats, loan rows
   ============================================================ */

.borrower-type-toggle {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .borrower-type-toggle .type-option {
    flex: 1;
    text-align: center;
  }
}

.type-option {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.type-option:hover {
  border-color: var(--primary);
}

.type-option-active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

[data-theme="dark"] .type-option-active {
  background: var(--primary-dark);
}

.borrower-result-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 480px;
}

.borrower-result {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  text-align: left;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.borrower-result:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.borrower-result-name {
  font-weight: 600;
  font-size: 14px;
}

.borrower-summary-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-top: var(--space-4);
  max-width: 480px;
}

.stat-row {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.mini-stat {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  flex: 1;
  min-width: 120px;
}

.mini-stat-value {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 600;
  color: var(--primary);
}

.mini-stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.loan-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
}

.loan-row:last-child {
  border-bottom: none;
}

.loan-row > div:first-child {
  flex: 1;
  min-width: 160px;
}

.loan-book-name {
  font-weight: 600;
  font-size: 14px;
}

.loan-actions {
  display: flex;
  gap: var(--space-2);
}

@media (max-width: 480px) {
  .loan-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .loan-actions {
    width: 100%;
  }

  .loan-actions .btn {
    flex: 1;
  }

  .stat-row {
    flex-direction: column;
  }
}

/* ============================================================
   DASHBOARD — stat cards, quick actions
   ============================================================ */

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-3);
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: left;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
}

.stat-card-warning::before {
  background: var(--warning);
}

.stat-card-danger::before {
  background: var(--danger);
}

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

.stat-card-icon {
  color: var(--primary);
  display: flex;
  margin-bottom: 6px;
}

.stat-card-value {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
}

.stat-card-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}

.quick-action-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: left;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.quick-action-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.quick-action-icon {
  color: var(--primary);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.quick-action-title {
  font-weight: 600;
  font-size: 14px;
}

.link-cell {
  cursor: pointer;
  color: var(--primary);
  font-weight: 500;
}

.link-cell:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  .dashboard-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 360px) {
  .dashboard-stats {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   TOUCH DEVICES — neutralize :hover entirely
   On touchscreens, tapping an element triggers :hover with no
   way to "un-hover" afterward (no mouse leaving the area), so
   every hover effect looked permanently stuck after a tap. This
   resets every hover-affected property back to its true default
   on devices that don't have real hover capability.
   ============================================================ */

@media (hover: none), (pointer: coarse) {
  .password-toggle:hover { opacity: 0.6; }
  .auth-links a:hover { text-decoration: none; }
  .btn-primary:hover { transform: none; box-shadow: none; opacity: 1; }
  .btn-secondary:hover { transform: none; border-color: var(--border); opacity: 1; }
  .btn-danger:hover { opacity: 1; }
  .nav-link:hover { background: none; color: var(--text-secondary); transform: none; }
  .theme-toggle:hover { border-color: var(--border); }
  .photo-picker-btn:hover { border-color: var(--border); color: var(--text); }
  .theme-option:hover { border-color: var(--border); }
  .sidebar-watermark:hover { opacity: 0.6; }
  .data-table tbody tr:hover { background: none; }
  .icon-btn:hover { border-color: var(--border); color: var(--text-secondary); transform: none; }
  .icon-btn-danger:hover { border-color: var(--border); color: var(--text-secondary); }
  .back-link:hover { color: var(--text-secondary); }
  .borrower-result:hover { border-color: var(--border); transform: none; }
  .type-option:hover { border-color: var(--border); }
  .stat-card:hover { border-color: var(--border); transform: none; box-shadow: none; }
  .quick-action-card:hover { border-color: var(--border); transform: none; box-shadow: none; }
  .link-cell:hover { text-decoration: none; }
}

/* ============================================================
   UNIVERSAL SEARCH — topbar trigger + overlay
   ============================================================ */

.search-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-secondary);
  font-size: 13px;
  margin-left: auto;
}

.search-trigger-kbd {
  font-size: 11px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text-secondary);
}

@media (max-width: 640px) {
  .search-trigger-label,
  .search-trigger-kbd {
    display: none;
  }
}

@media (max-width: 480px) {
  .topbar {
    padding-top: var(--space-3);
    padding-right: var(--space-4);
    padding-bottom: var(--space-3);
  }

  .search-trigger {
    padding: 8px;
  }
}

.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 20, 18, 0.45);
  z-index: 300;
  display: flex;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
  overflow-y: auto;
}

.search-overlay-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  height: fit-content;
}

.search-overlay-input-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.search-overlay-input-row input {
  flex: 1;
  border: none;
  background: none;
  outline: none;
  color: var(--text);
  font-size: 15px;
}

.search-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  display: flex;
  padding: 4px;
}

#search-results-area {
  overflow-y: auto;
  padding: var(--space-2);
}

.search-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-3) var(--space-1);
}

.search-result-row,
.search-recent-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  text-align: left;
  background: none;
  color: var(--text);
  font-size: 14px;
}

.search-result-row:hover,
.search-result-active,
.search-recent-item:hover {
  background: var(--bg);
}

.search-result-title {
  font-weight: 600;
}

.search-result-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

[data-theme="dark"] .search-result-icon {
  background: var(--primary-dark);
}

.search-hint,
.search-loading {
  padding: var(--space-6) var(--space-3);
  text-align: center;
}

@media (hover: none), (pointer: coarse) {
  .search-result-row:hover,
  .search-recent-item:hover {
    background: none;
  }
}

/* ============================================================
   REPORTS — bar rows, grid layout
   ============================================================ */

.reports-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.reports-full-width {
  grid-column: 1 / -1;
}

@media (max-width: 760px) {
  .reports-grid {
    grid-template-columns: 1fr;
  }
}

.bar-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.bar-row-label {
  font-size: 13px;
  color: var(--text-secondary);
  width: 110px;
  flex-shrink: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-row-track {
  flex: 1;
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.bar-row-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.bar-row-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  width: 24px;
  text-align: right;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .bar-row-label {
    width: 80px;
  }
}