/* ==========================================================================
   VERTICAL LAYOUT THEME — CHỌN TRƯỜNG 2026
   Modern, elegant, high-contrast vertical sidebar layout
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;450;500;550;600;650;700;750;800&display=swap');

:root {
  --font-family: 'Be Vietnam Pro', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --sidebar-w: 268px;
  --topbar-h: 64px;
  
  /* Color Palette */
  --c-primary: #1763db;
  --c-primary-dark: #0f4bb5;
  --c-navy: #0f284e;
  --c-navy-dark: #091a33;
  --c-text-main: #1e293b;
  --c-text-muted: #64748b;
  --c-text-sub: #94a3b8;
  
  --c-bg-app: #f4f6fa;
  --c-bg-card: #ffffff;
  --c-border: #e2e8f0;
  --c-border-hover: #cbd5e1;
  
  --c-red: #dc2626;
  --c-green: #16a34a;
  --c-gold: #d97706;
}

body {
  font-family: var(--font-family) !important;
  background-color: var(--c-bg-app) !important;
  color: var(--c-text-main) !important;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Hide original horizontal header elements */
header:not(.app-topbar) {
  display: none !important;
}

/* Root App Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* --------------------------------------------------------------------------
   SIDEBAR (Vertical Left Column)
   -------------------------------------------------------------------------- */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: #ffffff;
  border-right: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: 2px 0 12px rgba(15, 40, 78, 0.03);
  transition: transform 0.25s ease-in-out;
}

/* Sidebar Brand */
.sidebar-brand {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f1f5f9;
}

.sidebar-brand .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none !important;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(23, 99, 219, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-navy);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.brand-sub {
  font-size: 11px;
  color: var(--c-text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.mobile-close {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--c-text-muted);
  cursor: pointer;
  padding: 4px;
}

/* Season Tag */
.sidebar-season-tag {
  padding: 12px 20px;
  background: #f8fafc;
  border-bottom: 1px solid #f1f5f9;
}

.sidebar-season-tag span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--c-text-muted);
}

.sidebar-season-tag b {
  color: var(--c-primary);
  background: #edf4ff;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 750;
}

/* Nav Menu */
.sidebar-section-title {
  padding: 18px 20px 8px;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--c-text-sub);
}

.sidebar-nav {
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
  padding: 0 12px !important;
  flex: 1;
}

.sidebar-nav a {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 10px 14px !important;
  border-radius: 8px !important;
  color: #334155 !important;
  font-size: 13.5px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  border: 1px solid transparent !important;
  border-bottom: 1px solid transparent !important;
  transition: all 0.15s ease !important;
}

.sidebar-nav a:hover {
  background: #f1f5f9 !important;
  color: var(--c-primary) !important;
}

.sidebar-nav a.active {
  background: #edf4ff !important;
  color: var(--c-primary-dark) !important;
  border-color: #d0e1fd !important;
  font-weight: 700 !important;
}

.nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #64748b;
  transition: color 0.15s ease;
}

.sidebar-nav a:hover .nav-icon,
.sidebar-nav a.active .nav-icon {
  color: var(--c-primary);
}

.nav-label {
  flex: 1;
  white-space: nowrap;
}

.nav-badge {
  font-size: 10px !important;
  font-weight: 750 !important;
  padding: 2px 7px !important;
  border-radius: 10px !important;
}

.nav-badge.count {
  background: #e2e8f0 !important;
  color: #334155 !important;
}

.sidebar-nav a.active .nav-badge.count {
  background: var(--c-primary) !important;
  color: #ffffff !important;
}

.nav-badge.hot {
  background: #16a34a !important;
  color: #ffffff !important;
  letter-spacing: 0.5px;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 16px 16px 20px;
  border-top: 1px solid #f1f5f9;
  background: #fafbfd;
}

.sidebar-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: #ffffff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 10px 8px;
  margin-bottom: 12px;
  text-align: center;
}

.stat-mini {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--c-navy);
}

.stat-lbl {
  font-size: 9.5px;
  color: var(--c-text-muted);
  margin-top: 2px;
  font-weight: 550;
}

.sidebar-copy {
  margin: 0;
  font-size: 10.5px;
  color: var(--c-text-sub);
  line-height: 1.5;
  text-align: center;
}

/* --------------------------------------------------------------------------
   MAIN WRAPPER & TOPBAR
   -------------------------------------------------------------------------- */
.app-main-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
}

.app-topbar {
  height: var(--topbar-h);
  background: #ffffff;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar-menu-btn {
  display: none;
  background: #f1f5f9;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  color: var(--c-navy);
  padding: 6px;
  cursor: pointer;
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--c-text-muted);
}

.crumb-root {
  font-weight: 550;
  color: #64748b;
}

.crumb-sep {
  color: #cbd5e1;
}

.crumb-current {
  font-weight: 750;
  color: var(--c-navy);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  background: #edf4ff;
  border: 1px solid #cce0ff;
  border-radius: 6px;
  color: var(--c-primary);
  font-size: 12.5px;
  font-weight: 650;
  text-decoration: none !important;
  transition: all 0.15s ease;
}

.topbar-action-btn:hover {
  background: #dbeafe;
  color: var(--c-primary-dark);
}

.topbar-saved-btn {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid var(--c-border);
  color: #64748b;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none !important;
  transition: all 0.15s ease;
}

.topbar-saved-btn:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.topbar-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--c-red);
  color: #ffffff;
  font-size: 9.5px;
  font-weight: 800;
  min-width: 17px;
  height: 17px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #ffffff;
}

/* --------------------------------------------------------------------------
   CONTENT BODY & GENERAL VIEW ENHANCEMENTS
   -------------------------------------------------------------------------- */
.app-content-body {
  flex: 1;
  padding: 24px 32px 40px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* Override .wrap to allow full comfortable width */
.wrap {
  max-width: 100% !important;
  padding: 0 !important;
}

/* Enhanced Hero */
.hero {
  margin: 0 0 24px !important;
  background: linear-gradient(135deg, #0f284e 0%, #153764 100%) !important;
  border-radius: 12px !important;
  padding: 30px 34px !important;
  box-shadow: 0 4px 18px rgba(15, 40, 78, 0.08) !important;
}

.hero h1 {
  font-size: 28px !important;
  font-weight: 750 !important;
}

.hero p {
  font-size: 14px !important;
  color: #cbd5e1 !important;
}

.searchbox {
  background: #ffffff !important;
  border-radius: 8px !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12) !important;
}

.searchbox input {
  font-size: 14px !important;
  padding: 12px 16px !important;
}

.searchbox button.primary {
  padding: 10px 22px !important;
  font-size: 13.5px !important;
  border-radius: 6px !important;
}

.quick-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 20px;
  flex-wrap: wrap;
}

.quick-links span {
  font-size: 12px;
  color: var(--c-text-muted);
  font-weight: 600;
}

.quick-links button {
  background: #ffffff;
  border: 1px solid var(--c-border);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
}

.quick-links button:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  background: #edf4ff;
}

/* Enhanced Panel & Filters */
.panel {
  background: #ffffff !important;
  border: 1px solid var(--c-border) !important;
  border-radius: 10px !important;
  padding: 22px !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02) !important;
}

.filters {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  background: #f8fafc;
  padding: 16px 18px;
  border-radius: 8px;
  border: 1px solid #eef2f6;
}

.filters label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
  font-weight: 650;
  color: #475569;
  flex: 1;
  min-width: 200px;
}

.filters select,
.filters input {
  padding: 8px 12px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  background: #ffffff;
  font-size: 13px;
  color: var(--c-text-main);
  outline: none;
}

.filters select:focus,
.filters input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 2px rgba(23, 99, 219, 0.15);
}

/* Enhanced Tables */
.table-scroll {
  border: 1px solid var(--c-border) !important;
  border-radius: 8px !important;
  overflow: hidden !important;
  background: #ffffff !important;
}

table {
  width: 100% !important;
  border-collapse: collapse !important;
  font-size: 13px !important;
}

th {
  background: #f1f5f9 !important;
  color: #1e293b !important;
  padding: 12px 14px !important;
  font-weight: 700 !important;
  font-size: 12px !important;
  text-align: left !important;
  border-bottom: 1px solid var(--c-border) !important;
}

td {
  padding: 12px 14px !important;
  border-bottom: 1px solid #f1f5f9 !important;
  vertical-align: middle !important;
}

tr:hover td {
  background: #f8fafc !important;
}

.school-link {
  background: none;
  border: none;
  padding: 0;
  font-weight: 750;
  color: var(--c-primary);
  font-size: 13.5px;
  text-align: left;
  cursor: pointer;
}

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

.major {
  font-weight: 650;
  color: #0f284e;
  font-size: 13.5px;
  margin-top: 3px;
}

.code {
  display: block;
  font-size: 11px;
  color: var(--c-text-muted);
  margin-top: 2px;
}

.score {
  font-size: 17px !important;
  font-weight: 800 !important;
  color: var(--c-red) !important;
}

/* Save & Compare Buttons */
.save {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--c-border);
  background: #ffffff;
  color: #94a3b8;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.save:hover {
  border-color: #f59e0b;
  color: #f59e0b;
  background: #fffbeb;
}

.save.selected {
  background: #f59e0b !important;
  border-color: #f59e0b !important;
  color: #ffffff !important;
}

.compare-button {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--c-border);
  background: #ffffff;
  color: #64748b;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: 6px;
  transition: all 0.15s ease;
}

.compare-button:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  background: #edf4ff;
}

/* Enhanced School Cards */
.school-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)) !important;
  gap: 18px !important;
  margin-top: 18px !important;
}

.school-card {
  background: #ffffff !important;
  border: 1px solid var(--c-border) !important;
  border-radius: 10px !important;
  padding: 20px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  gap: 14px !important;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s !important;
}

.school-card:hover {
  border-color: #cbd5e1 !important;
  box-shadow: 0 8px 20px rgba(15, 40, 78, 0.06) !important;
  transform: translateY(-2px) !important;
}

.school-monogram {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: #edf4ff;
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  border: 1px solid #d0e1fd;
}

.school-card h3 {
  font-size: 15px !important;
  font-weight: 750 !important;
  color: var(--c-navy) !important;
  margin: 0 !important;
  line-height: 1.4 !important;
}

.school-card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}

.school-card-bottom button {
  font-size: 12.5px;
  font-weight: 650;
  color: var(--c-primary);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.school-card-bottom a {
  font-size: 11.5px;
  color: var(--c-text-muted);
}

/* Monogram Colors */
.school-monogram.color-0 { background: #eff6ff !important; color: #1d4ed8 !important; border-color: #bfdbfe !important; }
.school-monogram.color-1 { background: #ecfdf5 !important; color: #047857 !important; border-color: #a7f3d0 !important; }
.school-monogram.color-2 { background: #fffbeb !important; color: #b45309 !important; border-color: #fde68a !important; }
.school-monogram.color-3 { background: #f5f3ff !important; color: #6d28d9 !important; border-color: #ddd6fe !important; }

/* Saved Wishlist Details */
.rank {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.rank b {
  background: #edf4ff;
  color: var(--c-primary);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 750;
  border: 1px solid #d0e1fd;
}

.rank button {
  width: 26px;
  height: 26px;
  border-radius: 4px;
  border: 1px solid var(--c-border);
  background: #ffffff;
  color: #64748b;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  padding: 0;
}

.rank button:hover:not(:disabled) {
  border-color: var(--c-primary);
  color: var(--c-primary);
  background: #f8fafc;
}

.personal-note {
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
  font-size: 11px !important;
  color: var(--c-text-muted) !important;
  margin-top: 8px !important;
}

.personal-note input {
  padding: 6px 10px !important;
  border: 1px solid var(--c-border) !important;
  border-radius: 5px !important;
  font-size: 12px !important;
  background: #f8fafc !important;
}

.personal-note input:focus {
  background: #ffffff !important;
  border-color: var(--c-primary) !important;
}

/* Form Steps & Advice Flow */
.form-content .step {
  background: #ffffff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 18px;
}

.form-content .step h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-navy);
  margin: 0 0 14px;
}

.form-content .step h2 span {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

.notice {
  background: #eff6ff !important;
  border: 1px solid #bfdbfe !important;
  border-radius: 6px !important;
  padding: 12px 16px !important;
  color: #1e40af !important;
  font-size: 12.5px !important;
  line-height: 1.5 !important;
  margin: 14px 0 !important;
}

/* Combination Picker */
.combination-picker {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#combo-query {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 14px;
  background: #ffffff;
}

#combo-query:focus {
  border-color: var(--c-primary);
  outline: none;
  box-shadow: 0 0 0 2px rgba(23, 99, 219, 0.15);
}

#combo-options {
  width: 100%;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 8px;
  font-size: 13.5px;
  line-height: 1.8;
  background: #ffffff;
  min-height: 160px;
}

#combo-options option {
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
}

#combo-options option:hover {
  background: #f1f5f9;
}

.combo-selected {
  background: #ffffff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  padding: 22px;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.combo-selected-code {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-primary);
}

.combo-selected h2 {
  font-size: 16px;
  color: var(--c-navy);
  margin: 0;
}

/* HSA Embedded View */
.hsa-embed-view {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--c-bg-app);
}

.hsa-embed-view iframe {
  width: 100%;
  height: calc(100vh - var(--topbar-h));
  min-height: 650px;
  border: none;
  display: block;
}

/* Enhanced Footer */
.app-footer {
  margin-top: auto;
  padding: 24px 32px;
  background: #ffffff;
  border-top: 1px solid var(--c-border);
  text-align: center;
}

.app-footer strong {
  color: var(--c-navy);
  font-size: 14px;
}

.app-footer p {
  margin: 6px 0 2px;
  font-size: 12px;
  color: var(--c-text-muted);
}

.app-footer span {
  font-size: 11px;
  color: var(--c-text-sub);
}

/* Floating Compare Dock */
#compare-dock {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  background: #0f284e;
  color: #ffffff;
  border-radius: 10px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

#compare-dock span {
  font-size: 13px;
}

.dock-chip {
  background: rgba(255, 255, 255, 0.15);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  margin: 0 3px;
}

.dock-chip button {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 14px;
  cursor: pointer;
  margin-left: 4px;
}

#compare-dock button.primary {
  padding: 6px 14px;
  font-size: 12.5px;
  border-radius: 5px;
}

#compare-dock button.secondary {
  padding: 6px 10px;
  font-size: 12.5px;
  border-radius: 5px;
  background: transparent;
  color: #cbd5e1;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Toast */
#toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: #0f284e;
  color: #ffffff;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  z-index: 999;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN (MOBILE & TABLET)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .app-sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 40, 78, 0.4);
    backdrop-filter: blur(2px);
    z-index: 90;
  }

  body.sidebar-open .sidebar-backdrop {
    display: block;
  }

  .mobile-close {
    display: block;
  }

  .app-main-wrapper {
    margin-left: 0;
  }

  .topbar-menu-btn {
    display: flex;
  }

  .app-content-body {
    padding: 18px 16px 30px;
  }

  .app-topbar {
    padding: 0 16px;
  }

  .hero {
    grid-template-columns: 1fr !important;
    padding: 24px 20px !important;
  }
}