/* ===== CSS Variables (M3 inspired + custom) ===== */
    :root {
      --primary: #1e40af;
      --primary-container: #dbeafe;
      --on-primary: #ffffff;
      --surface-bright: #f8fafc;
      --surface-container-lowest: #ffffff;
      --surface-container-low: #f8fafc;
      --surface-container: #f8fafc;
      --surface-container-high: #f1f5f9;
      --surface-container-highest: #e9eef3;
      --on-surface: #1e293b;
      --on-surface-variant: #64748b;
      --outline-variant: #e2e8f0;
      --outline: #94a3b8;
      --secondary: #64748b;
      --secondary-container: #f1f5f9;
      --on-secondary-container: #1e293b;
      --shadow-sm: 0 4px 12px rgba(0,0,0,0.04);
      --shadow-md: 0 12px 30px rgba(0,0,0,0.07);
      --radius-2xl: 1.25rem;
      --radius-3xl: 1.5rem;
      --radius-full: 9999px;
      --font-body: 'Inter', system-ui, -apple-system, sans-serif;
      --transition: 0.2s ease-in-out;
    }

    /* ===== Reset & Base ===== */
    * {
      margin: 0;
      padding: 0;
      -webkit-box-sizing: border-box;
              box-sizing: border-box;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--surface-bright);
      color: var(--on-surface);
      min-height: 100vh;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
    }

    /* ===== Typography ===== */
    .text-headline-xl {
      font-size: 2.25rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      line-height: 1.2;
    }
    .text-headline-lg {
      font-size: 1.75rem;
      font-weight: 600;
      letter-spacing: -0.01em;
    }
    .text-headline-md {
      font-size: 1.25rem;
      font-weight: 600;
      letter-spacing: -0.01em;
    }
    .text-body-lg {
      font-size: 1.125rem;
      font-weight: 400;
    }
    .text-body-md {
      font-size: 1rem;
      font-weight: 400;
    }
    .text-body-sm {
      font-size: 0.875rem;
      font-weight: 400;
    }
    .text-label-md {
      font-size: 0.875rem;
      font-weight: 500;
      letter-spacing: 0.01em;
    }
    .tracking-widest {
      letter-spacing: 0.1em;
    }

    /* ===== Layout / Container ===== */
    .main-container {
      max-width: 1600px;
      margin: 0 auto;
      padding: 2rem 1.5rem;
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
      gap: 3rem;
      -webkit-box-sizing: border-box;
              box-sizing: border-box;
      overflow: hidden;
    }

    /* ===== Header / Hero ===== */
    .page-header {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
      gap: 1.5rem;
      border-bottom: 1px solid var(--outline-variant);
      padding-bottom: 2.5rem;
    }
    @media (min-width: 1024px) {
      .page-header {
        -webkit-box-orient: horizontal;
        -webkit-box-direction: normal;
            -ms-flex-direction: row;
                flex-direction: row;
        -webkit-box-pack: justify;
            -ms-flex-pack: justify;
                justify-content: space-between;
        -webkit-box-align: center;
            -ms-flex-align: center;
                align-items: center;
      }
    }
    .header-content {
      max-width: 640px;
    }
    .header-content h1 {
      margin-bottom: 0.75rem;
    }
    .header-content p {
      color: var(--on-surface-variant);
    }

    .stat-group {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
      gap: 1rem;
      width: 100%;
    }
    @media (min-width: 1024px) {
      .stat-group {
        width: auto;
        -ms-flex-negative: 0;
            flex-shrink: 0;
      }
    }
    .stat-card {
      background: var(--surface-container-lowest);
      border: 1px solid var(--outline-variant);
      padding: 1.25rem 1.5rem;
      border-radius: var(--radius-2xl);
      text-align: center;
      -webkit-box-flex: 1;
          -ms-flex: 1 1 120px;
              flex: 1 1 120px;
      -webkit-box-shadow: var(--shadow-sm);
              box-shadow: var(--shadow-sm);
    }
    .stat-card .number {
      display: block;
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 0.25rem;
    }
    .stat-card .label {
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--secondary);
    }

    /* ===== Search & Filters ===== */
    .search-section {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
      gap: 1.5rem;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
    }
    .search-wrapper {
      position: relative;
    }
    .search-wrapper .material-symbols-outlined {
      position: absolute;
      left: 1.25rem;
      top: 50%;
      -webkit-transform: translateY(-50%);
              transform: translateY(-50%);
      color: var(--outline);
      -webkit-transition: color var(--transition);
      transition: color var(--transition);
      pointer-events: none;
    }
    .search-wrapper:focus-within .material-symbols-outlined {
      color: var(--primary);
    }
    .search-input {
      width: 100%;
      height: 4rem;
      padding-left: 3.5rem;
      padding-right: 1.5rem;
      background: var(--surface-container-lowest);
      border: 1px solid var(--outline-variant);
      border-radius: var(--radius-2xl);
      font-size: 1.125rem;
      font-family: var(--font-body);
      -webkit-transition: border-color var(--transition), -webkit-box-shadow var(--transition);
      transition: border-color var(--transition), -webkit-box-shadow var(--transition);
      transition: box-shadow var(--transition), border-color var(--transition);
      transition: box-shadow var(--transition), border-color var(--transition), -webkit-box-shadow var(--transition);
      -webkit-box-shadow: var(--shadow-sm);
              box-shadow: var(--shadow-sm);
    }
    .search-input:focus {
      outline: none;
      border-color: var(--primary);
      -webkit-box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.15), var(--shadow-sm);
              box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.15), var(--shadow-sm);
    }
    .search-input::-webkit-input-placeholder {
      color: var(--outline);
    }
    .search-input::-moz-placeholder {
      color: var(--outline);
    }
    .search-input:-ms-input-placeholder {
      color: var(--outline);
    }
    .search-input::-ms-input-placeholder {
      color: var(--outline);
    }
    .search-input::placeholder {
      color: var(--outline);
    }

    .filter-group {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      gap: 0.75rem;
    }
    .filter-btn {
      padding: 0.6rem 1.5rem;
      border-radius: var(--radius-full);
      font-weight: 500;
      font-size: 0.875rem;
      border: 1px solid transparent;
      background: var(--surface-container-high);
      color: var(--on-surface-variant);
      -webkit-transition: all var(--transition);
      transition: all var(--transition);
      cursor: pointer;
      -webkit-box-shadow: var(--shadow-sm);
              box-shadow: var(--shadow-sm);
    }
    .filter-btn:hover {
      background: var(--surface-container-highest);
      -webkit-transform: translateY(-1px);
              transform: translateY(-1px);
    }
    .filter-btn.active {
      background: var(--primary);
      color: var(--on-primary);
      border-color: var(--primary);
      -webkit-box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
              box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
    }
    .filter-btn.active:hover {
      background: #1a3a8f;
    }

    /* ===== Result summary ===== */
    .result-summary {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-pack: justify;
          -ms-flex-pack: justify;
              justify-content: space-between;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      padding: 0 0.25rem;
      font-size: 1rem;
      color: var(--on-surface-variant);
    }
    .result-summary strong {
      color: var(--on-surface);
    }

    /* ===== University Grid ===== */
    .schools-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
      max-width: 100%;
      overflow: hidden;
    }
    @media (min-width: 768px) {
      .schools-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (min-width: 1280px) {
      .schools-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    /* ===== School Card ===== */
    .school-card {
      background: var(--surface-container-lowest);
      border: 1px solid var(--outline-variant);
      border-radius: var(--radius-3xl);
      padding: 1.5rem;
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
      gap: 1.5rem;
      max-width: 100%;
      min-width: 0;
      -webkit-transition: border-color var(--transition), -webkit-box-shadow var(--transition);
      transition: border-color var(--transition), -webkit-box-shadow var(--transition);
      transition: border-color var(--transition), box-shadow var(--transition);
      transition: border-color var(--transition), box-shadow var(--transition), -webkit-box-shadow var(--transition);
      -webkit-box-shadow: var(--shadow-sm);
              box-shadow: var(--shadow-sm);
    }
    .school-card:hover {
      border-color: var(--primary);
      -webkit-box-shadow: var(--shadow-md);
              box-shadow: var(--shadow-md);
    }

    .card-header {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-align: start;
          -ms-flex-align: start;
              align-items: flex-start;
      -webkit-box-pack: justify;
          -ms-flex-pack: justify;
              justify-content: space-between;
       gap: 0.5rem;
      min-width: 0; 
     -ms-flex-wrap: wrap; 
         flex-wrap: wrap; 
    }
    .logo-wrapper {
      width: 3rem;
      height: 3rem;
      border-radius: .75rem;
      overflow: hidden;
      background: var(--surface-container-low);
      border: 1px solid var(--outline-variant);
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      -webkit-box-pack: center;
          -ms-flex-pack: center;
              justify-content: center;
      -ms-flex-negative: 0;
          flex-shrink: 0;
    }
    .logo-wrapper img {
      width: 100%;
      height: 100%;
      -o-object-fit: contain;
         object-fit: contain;
      padding: 6px;
    }
    .badge {
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-full);
      font-size: 0.65rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      border: 1px solid;
      background: #ecfdf3;
      color: #0b6e4f;
      border-color: #a7f0d0;
    }
    .badge.private {
      background: #eff6ff;
      color: #1e4f8a;
      border-color: #b9d4f0;
    }

    .school-name {
      font-size: 1.25rem;
      font-weight: 700;
      word-wrap:break-word;
      color: var(--on-surface);
      -webkit-transition: color var(--transition);
      transition: color var(--transition);
      cursor: pointer;
      -webkit-box-flex: 1;
          -ms-flex: 1;
              flex: 1; 
      min-width: 0;
      -ms-hyphens: auto;
          hyphens: auto; 
    }
    .school-name:hover {
      color: var(--primary);
    }
    .location {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      gap: 0.25rem;
      color: var(--on-surface-variant);
      font-size: 0.875rem;
      margin-top: 0.25rem;
    }
    .location .material-symbols-outlined {
      font-size: 1.125rem;
    }

    .programs-preview {
      background: var(--surface-container-low);
      border-radius: 1rem;
      padding: 1rem;
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
      gap: 0.75rem;
    }
    .program-item {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-pack: justify;
          -ms-flex-pack: justify;
              justify-content: space-between;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      border-bottom: 1px solid var(--outline-variant);
      padding-bottom: 0.5rem;
      min-width: 0;
    }
    .program-item:last-of-type {
      border-bottom: none;
      padding-bottom: 0;
    }
    .program-name {
      font-weight: 600;
      font-size: 0.95rem;
    }
    .program-tag {
      background: var(--secondary-container);
      color: var(--on-secondary-container);
      font-size: 0.7rem;
      font-weight: 600;
      padding: 0.15rem 0.7rem;
      border-radius: var(--radius-full);
      letter-spacing: 0.02em;
      -ms-flex-negative: 0;
          flex-shrink: 0;
      white-space: nowrap;
    }
    .more-programs {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-pack: justify;
          -ms-flex-pack: justify;
              justify-content: space-between;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      color: var(--primary);
      font-weight: 600;
      font-size: 0.95rem;
      opacity: 0.8;
      min-width: 0;
    }
    .more-programs .material-symbols-outlined {
      font-size: 1.25rem;
    }

    .card-actions {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      gap: 0.75rem;
      margin-top: auto;
    }
    .btn-primary {
      -webkit-box-flex: 1;
          -ms-flex: 1;
              flex: 1;
      height: 3rem;
      background: var(--primary);
      color: var(--on-primary);
      border: none;
      border-radius: 0.75rem;
      font-weight: 600;
      font-size: 0.875rem;
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      -webkit-box-pack: center;
          -ms-flex-pack: center;
              justify-content: center;
      gap: 0.5rem;
      -webkit-transition: all var(--transition);
      transition: all var(--transition);
      cursor: pointer;
      -webkit-box-shadow: 0 4px 10px rgba(30, 64, 175, 0.15);
              box-shadow: 0 4px 10px rgba(30, 64, 175, 0.15);
    }
    .btn-primary:hover {
      background: #1a3a8f;
      -webkit-transform: scale(0.98);
              transform: scale(0.98);
    }
    .btn-icon {
      width: 3rem;
      height: 3rem;
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      -webkit-box-pack: center;
          -ms-flex-pack: center;
              justify-content: center;
      background: var(--surface-container-low);
      border: 1px solid var(--outline-variant);
      border-radius: 0.75rem;
      color: var(--primary);
      -webkit-transition: all var(--transition);
      transition: all var(--transition);
      cursor: pointer;
    }
    .btn-icon:hover {
      background: var(--surface-container-highest);
    }

    /* ===== Skeleton ===== */
    .skeleton {
      background: var(--surface-container-lowest);
      border: 1px solid var(--outline-variant);
      border-radius: var(--radius-3xl);
      padding: 1.5rem;
      opacity: 0.6;
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
      gap: 1.5rem;
    }
    .skeleton .pulse {
      background: var(--surface-container-high);
      border-radius: 0.75rem;
      -webkit-animation: pulse 1.8s ease-in-out infinite;
              animation: pulse 1.8s ease-in-out infinite;
    }
    @-webkit-keyframes pulse {
      0%, 100% { opacity: 0.6; }
      50% { opacity: 1; }
    }
    @keyframes pulse {
      0%, 100% { opacity: 0.6; }
      50% { opacity: 1; }
    }
    .skeleton .logo-pulse {
      width: 4rem;
      height: 4rem;
      border-radius: 1rem;
    }
    .skeleton .line-pulse {
      height: 1.25rem;
      width: 70%;
    }
    .skeleton .line-short {
      width: 45%;
      height: 1rem;
    }
    .skeleton .block-pulse {
      height: 3.5rem;
      width: 100%;
    }

    /* ===== Empty state ===== */
    .empty-state {
      display: none;
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      -webkit-box-pack: center;
          -ms-flex-pack: center;
              justify-content: center;
      padding: 4rem 1.5rem;
      text-align: center;
      gap: 1.5rem;
    }
    .empty-state.visible {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
    }
    .empty-state .icon-circle {
      width: 8rem;
      height: 8rem;
      background: var(--surface-container-low);
      border-radius: 50%;
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
      -webkit-box-align: center;
          -ms-flex-align: center;
              align-items: center;
      -webkit-box-pack: center;
          -ms-flex-pack: center;
              justify-content: center;
      margin-bottom: 0.5rem;
    }
    .empty-state .icon-circle .material-symbols-outlined {
      font-size: 4rem;
      color: var(--outline);
    }
    .empty-state h2 {
      font-size: 1.75rem;
      font-weight: 600;
    }
    .empty-state p {
      color: var(--on-surface-variant);
      max-width: 400px;
    }
    .btn-clear {
      padding: 0.75rem 2.5rem;
      background: var(--primary);
      color: var(--on-primary);
      border: none;
      border-radius: 0.75rem;
      font-weight: 600;
      font-size: 0.875rem;
      -webkit-transition: all var(--transition);
      transition: all var(--transition);
      cursor: pointer;
      -webkit-box-shadow: var(--shadow-sm);
              box-shadow: var(--shadow-sm);
    }
    .btn-clear:hover {
      background: #1a3a8f;
    }

    /* ===== utilities ===== */
    .hidden {
      display: none !important;
    }
    .flex {
      display: -webkit-box;
      display: -ms-flexbox;
      display: flex;
    }
    .flex-col {
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
          -ms-flex-direction: column;
              flex-direction: column;
    }
    .gap-6 { gap: 1.5rem; }
    .gap-8 { gap: 2rem; }
    .mt-auto { margin-top: auto; }

    /* ===== Responsive ===== */
    @media (max-width: 480px) {
      .main-container { padding: 1rem; }
      .text-headline-xl { font-size: 1.75rem; }
      .stat-card { padding: 1rem; }
      .filter-btn { padding: 0.4rem 1rem; font-size: 0.8rem; }
      .school-card {  
    padding: 1rem; 
    -webkit-box-sizing: border-box; 
            box-sizing: border-box;  
    margin: 0;}
    }
    @media (min-width: 576px) {
      .schools-grid { gap: 1.5rem; }
    }
    @media (min-width: 992px) {
      .main-container { padding: 2.5rem; }
    }
    @media (min-width: 1400px) {
      .main-container { padding: 3rem 4rem; }
    }