@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-color: #007A66;
    --primary-hover: #00594A;
    --primary-light: #E6F5F2;
    --app-bg: #F8FAFC;
    --card-bg: #FFFFFF;
    --sidebar-bg: #343A40;
    --sidebar-hover: #495057;
    --sidebar-text: #CED4DA;
    --sidebar-active-bg: rgba(0, 122, 102, 0.25);
    
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    --status-success: #15803D;
    --status-success-bg: #DCFCE7;
    --status-warning: #B45309;
    --status-warning-bg: #FEF3C7;
    --status-danger: #B91C1C;
    --status-danger-bg: #FEE2E2;
    --status-info: #007A66;
    --status-info-bg: #E6F5F2;
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --sidebar-width: 250px;
    --navbar-height: 60px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--app-bg);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Typography */
h1, .page-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

h2, .section-header {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

h3, .card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.text-secondary-custom {
    color: var(--text-secondary) !important;
}

.text-muted-custom {
    color: var(--text-muted) !important;
}

label.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.caption-text {
    font-size: 12px;
    color: var(--text-muted);
}

/* Custom Buttons & Theme Overrides - Standardized Border Radius (Ordinance 163 Reference) */
.btn,
.btn-primary,
.btn-secondary,
.btn-success,
.btn-danger,
.btn-warning,
.btn-info,
.btn-light,
.btn-dark,
.btn-outline-primary,
.btn-outline-secondary,
.btn-outline-success,
.btn-outline-danger,
.btn-outline-warning,
.btn-outline-info,
.btn-outline-dark,
.btn-custom {
    border-radius: 6px !important;
}

.btn.rounded-pill,
.btn.rounded-circle,
[class*="btn-"].rounded-pill,
[class*="btn-"].rounded-circle {
    border-radius: 6px !important;
}

.btn-sm {
    border-radius: 5px !important;
}

.btn-lg {
    border-radius: 8px !important;
}

/* Nav tabs / pills consistency */
.nav-pills.rounded-pill {
    border-radius: 8px !important;
}
.nav-pills .nav-link,
.nav-pills .nav-link.rounded-pill {
    border-radius: 6px !important;
}

.input-group > .btn:not(:last-child):not(.dropdown-toggle),
.input-group > .btn-group:not(:last-child) > .btn,
.input-group > .form-control:not(:last-child),
.input-group > .form-select:not(:last-child) {
    border-top-right-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

.input-group > .btn:not(:first-child),
.input-group > .btn-group:not(:first-child) > .btn,
.input-group > .form-control:not(:first-child),
.input-group > .form-select:not(:first-child) {
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
}

.btn-primary, .btn-primary-custom {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #FFFFFF !important;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active,
.btn-primary-custom:hover, .btn-primary-custom:focus {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    color: #FFFFFF !important;
    box-shadow: 0 4px 12px rgba(0, 122, 102, 0.25) !important;
}

.btn-outline-primary, .btn-outline-primary-custom {
    border: 1.5px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
    background-color: transparent !important;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.btn-outline-primary:hover, .btn-outline-primary:focus, .btn-outline-primary:active,
.btn-outline-primary-custom:hover {
    background-color: var(--primary-light) !important;
    color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-primary-subtle {
    background-color: var(--primary-light) !important;
    color: var(--primary-color) !important;
}

.border-primary-subtle {
    border-color: #A7F3D0 !important;
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #FFFFFF !important;
}

.pagination .page-link {
    color: var(--primary-color);
}

.pagination .page-link:hover {
    color: var(--primary-hover);
    background-color: var(--primary-light);
}

.hover-shadow {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-shadow:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md) !important;
}

/* App Layout */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background-color: #1E293B;
    color: #CBD5E1;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    z-index: 1020;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.18);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-brand-header {
    padding: 1.5rem 1rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.sidebar-brand-header img {
    max-height: 75px;
    width: 90%;
    max-width: 215px;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
}

.sidebar-user-card {
    background-color: #273444;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 10px 12px;
    margin: 0.25rem 0.85rem 1.25rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.sidebar-user-card .user-icon-box {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10B981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.sidebar-menu {
    list-style: none;
    padding: 0 0.85rem;
    margin: 0;
    flex-grow: 1;
    overflow-y: auto;
}

.sidebar-menu-header {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748B;
    padding: 10px 12px 4px 12px;
    font-weight: 700;
}

.sidebar-menu li {
    margin-bottom: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    color: #CBD5E1;
    text-decoration: none;
    font-weight: 500;
    font-size: 13.5px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.sidebar-link i {
    font-size: 15px;
    width: 22px;
    margin-right: 10px;
    text-align: center;
}

.sidebar-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
}

.sidebar-link.active {
    background-color: #00875A !important;
    color: #FFFFFF !important;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 135, 90, 0.35);
}

.sidebar-footer {
    padding: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background-color: transparent;
    margin-top: auto;
}

.sidebar-signout-btn {
    color: #EF4444 !important;
    font-weight: 600;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    padding: 10px 14px;
    text-decoration: none;
    background: transparent;
    border: none;
    width: 100%;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.sidebar-signout-btn:hover {
    background-color: rgba(239, 68, 68, 0.12);
    color: #F87171 !important;
}

/* Login Page Styling with BG image */
.login-page-bg {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.78) 0%, rgba(2, 6, 23, 0.88) 100%), url('/images/bg.jpg') center/cover no-repeat fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* Main Content Area */
.app-main {
    flex-grow: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--app-bg);
}

/* Top Navbar */
.app-navbar {
    height: var(--navbar-height);
    background-color: #FFFFFF;
    border-bottom: 1px solid #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.75rem;
    position: sticky;
    top: 0;
    z-index: 1010;
    box-shadow: var(--shadow-sm);
}

.navbar-user-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    background-color: var(--primary-light);
    border-radius: 20px;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 13px;
}

/* Cards */
.custom-card {
    background: var(--card-bg);
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.2s ease;
}

.custom-card:hover {
    box-shadow: var(--shadow-md);
}

.card-header-clean {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #F1F5F9;
    padding-bottom: 1rem;
    margin-bottom: 1.25rem;
}

/* Metric / Stat Card */
.stat-card {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.primary { background-color: var(--primary-light); color: var(--primary-color); }
.stat-icon.success { background-color: var(--status-success-bg); color: var(--status-success); }
.stat-icon.warning { background-color: var(--status-warning-bg); color: var(--status-warning); }
.stat-icon.danger  { background-color: var(--status-danger-bg);  color: var(--status-danger); }

.stat-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.status-badge.draft { background-color: #F1F5F9; color: #64748B; border: 1px solid #CBD5E1; }
.status-badge.pending { background-color: var(--status-warning-bg); color: var(--status-warning); border: 1px solid #FDE68A; }
.status-badge.inwarded { background-color: #E0E7FF; color: #4338CA; border: 1px solid #C7D2FE; }
.status-badge.verified { background-color: #CFFAFE; color: #0E7490; border: 1px solid #A5F3FC; }
.status-badge.forwarded { background-color: var(--primary-light); color: var(--primary-color); border: 1px solid #99F6E4; }
.status-badge.approved { background-color: var(--status-success-bg); color: var(--status-success); border: 1px solid #BBF7D0; }
.status-badge.rejected { background-color: var(--status-danger-bg); color: var(--status-danger); border: 1px solid #FECACA; }
.status-badge.returned { background-color: #FFEDD5; color: #C2410C; border: 1px solid #FED7AA; }

/* Multi-step Stepper */
.stepper-wrapper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}

.stepper-wrapper::before {
    content: "";
    position: absolute;
    top: 20px;
    left: 40px;
    right: 40px;
    height: 3px;
    background-color: #E2E8F0;
    z-index: 1;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    cursor: pointer;
    flex: 1;
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 3px solid #E2E8F0;
    color: #64748B;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.step-item.active .step-circle {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: #FFFFFF;
    box-shadow: 0 0 0 4px var(--primary-light);
}

.step-item.completed .step-circle {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.step-title {
    font-size: 13px;
    font-weight: 500;
    color: #64748B;
}

.step-item.active .step-title {
    color: var(--primary-color);
    font-weight: 700;
}

/* Drag and Drop File Upload Box */
.file-upload-box {
    border: 2px dashed #CBD5E1;
    border-radius: var(--radius-lg);
    background-color: #F8FAFC;
    padding: 2rem;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}

.file-upload-box:hover, .file-upload-box.dragover {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

.file-upload-icon {
    font-size: 38px;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.uploaded-preview-card {
    background-color: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
}

/* Tables */
.custom-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.custom-table th {
    background-color: #F8FAFC;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
    padding: 12px 16px;
    border-bottom: 2px solid #E2E8F0;
    border-top: 1px solid #E2E8F0;
}

.custom-table td {
    padding: 14px 16px;
    border-bottom: 1px solid #F1F5F9;
    vertical-align: middle;
    font-size: 13.5px;
}

.custom-table tbody tr:hover {
    background-color: #F8FAFC;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background-color: #E2E8F0;
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.timeline-dot {
    position: absolute;
    left: -28px;
    top: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 3px solid var(--primary-color);
}

.timeline-content {
    background-color: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    padding: 12px 16px;
}

/* Responsive */
@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }
    .app-sidebar.show {
        transform: translateX(0);
    }
    .app-main {
        margin-left: 0;
    }
}

/* ==========================================================================
   SPPU University Student Profile Specific Styling (Exact Match to Reference UI)
   ========================================================================== */
.sppu-sidebar-logo {
    padding: 16px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.sppu-emblem {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin-bottom: 6px;
}
.sppu-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #FFFFFF;
    margin: 0;
}
.sppu-sub {
    font-size: 10px;
    color: #94A3B8;
    margin: 0;
}
.sidebar-role-badge {
    margin: 12px 14px;
    padding: 7px 12px;
    background: #004D40;
    border: 1px solid rgba(0, 122, 102, 0.4);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #E6F5F2;
    font-size: 12px;
    font-weight: 600;
}
.sidebar-role-badge i {
    color: #34D399;
}

.sppu-profile-header {
    background-color: #007A66;
    color: #FFFFFF;
    padding: 18px 24px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    font-weight: 700;
    font-size: 17.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sppu-profile-header i {
    font-size: 19px;
}

.profile-card-container {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    padding: 28px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}

.profile-info-box {
    background: #FFFFFF;
    border: 1.5px solid #E2E8F0;
    border-radius: 10px;
    padding: 16px 22px;
    height: 100%;
    min-height: 85px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 0.15s ease-in-out;
}
.profile-info-box:hover {
    border-color: #94A3B8;
    box-shadow: 0 3px 8px rgba(0,0,0,0.04);
}
.profile-info-label {
    font-size: 12.5px;
    font-weight: 700;
    color: #64748B;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 6px;
}
.profile-info-value {
    font-size: 16.5px;
    font-weight: 600;
    color: #1E293B;
    word-break: break-word;
}
.profile-info-value.highlight-green {
    color: #007A66;
    font-weight: 800;
    font-size: 17.5px;
}

.btn-manual-red {
    background-color: #DC2626;
    color: #FFFFFF !important;
    font-weight: 600;
    font-size: 13px;
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.15s;
    text-decoration: none;
}
.btn-manual-red:hover {
    background-color: #B91C1C;
}

.alert-sppu-mint {
    background-color: #E8F5E9;
    border: 1px solid #C8E6C9;
    color: #1B5E20;
    border-radius: 8px;
    padding: 12px 18px;
    font-size: 13.5px;
}
.alert-sppu-mint a {
    color: #007A66;
    font-weight: 600;
    text-decoration: underline;
}

.btn-details-sppu {
    font-size: 12px;
    font-weight: 600;
    color: #007A66 !important;
    border: 1.5px solid #007A66 !important;
    background-color: #FFFFFF !important;
    border-radius: 6px !important;
    padding: 5px 16px !important;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none !important;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.btn-details-sppu:hover,
.btn-details-sppu:focus {
    color: #FFFFFF !important;
    background-color: #007A66 !important;
    border-color: #007A66 !important;
    box-shadow: 0 2px 6px rgba(0, 122, 102, 0.25);
}

.btn-details-sppu:hover i {
    color: #FFFFFF !important;
}

/* Seamless Searchable Dropdown - Clean single normal border, no extra button border */
.searchable-select-wrapper {
    position: relative;
    width: 100%;
}

.searchable-select-control {
    border: 1px solid #cbd5e1;
    border-radius: 0.375rem;
    background-color: #ffffff;
    cursor: text;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
    padding-right: 0.25rem;
    min-height: calc(1.5em + 0.75rem + 2px);
    width: 100%;
}

.searchable-select-control.searchable-select-sm {
    min-height: calc(1.5em + 0.5rem + 2px);
    border-radius: 0.25rem;
}

.searchable-select-control:focus-within {
    border-color: #007A66;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 122, 102, 0.2);
}

.searchable-select-control input {
    cursor: text;
    font-size: 0.875rem;
    color: #1e293b;
}

.searchable-select-control input::placeholder {
    color: #94a3b8 !important;
    font-style: italic;
}

.searchable-select-control .searchable-clear-btn {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    outline: none !important;
    color: #94a3b8;
    padding: 0.25rem 0.4rem;
    cursor: pointer;
    font-size: 0.8rem;
    border-radius: 50%;
    transition: color 0.15s ease;
}

.searchable-select-control .searchable-clear-btn:hover {
    color: #ef4444;
}

.searchable-select-control .searchable-toggle-btn {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    outline: none !important;
    color: #94a3b8;
    padding: 0.375rem 0.6rem;
    cursor: pointer;
    transition: color 0.15s ease;
}

.searchable-select-control .searchable-toggle-btn:hover {
    color: #1e293b;
}

/* ========================================================
   UNIVERSAL DROPDOWN & COMBOBOX DESIGN SYSTEM
   ======================================================== */

/* Standard HTML <select> Dropdown Placeholder Styling */
select.form-select:has(option[value=""]:checked),
select.form-select.select-placeholder {
    color: #94a3b8 !important;
    font-style: italic;
}

select.form-select option {
    color: #1e293b;
    font-style: normal;
}

select.form-select option[value=""],
select.form-select option:disabled {
    color: #94a3b8;
    font-style: italic;
}

/* Custom Searchable Course Combobox */
.course-combo-wrapper {
    position: relative;
    width: 100%;
}

.course-combo-input {
    padding-right: 58px !important;
    text-overflow: ellipsis;
    background-color: #ffffff;
    cursor: text;
}

.course-combo-input::placeholder {
    color: #94a3b8;
    font-style: italic;
}

.course-combo-actions {
    position: absolute;
    right: 1px;
    top: 1px;
    bottom: 1px;
    display: flex;
    align-items: center;
    gap: 2px;
    padding-right: 6px;
    z-index: 5;
}

.course-combo-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    padding: 4px 6px;
    border-radius: 4px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.course-combo-btn:hover {
    color: #1e293b;
    background-color: #f1f5f9;
}

.course-combo-btn.btn-clear:hover {
    color: #ef4444;
}

.course-combo-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 1060;
    max-height: 280px;
    overflow-y: auto;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    box-shadow: 0 12px 30px -4px rgba(0, 0, 0, 0.18), 0 4px 10px -2px rgba(0, 0, 0, 0.08);
    padding: 6px;
    list-style: none;
    margin: 0;
}

.course-combo-item {
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.84rem;
    transition: background-color 0.12s ease, color 0.12s ease;
}

.course-combo-item:hover, .course-combo-item.is-active {
    background-color: #f0fdf4;
    color: #166534;
}

.course-combo-item.is-selected {
    background-color: #eff6ff;
    color: #1d4ed8;
    font-weight: 600;
}

.course-combo-item .badge-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.78rem;
    font-weight: 700;
    background-color: #e0f2fe;
    color: #0369a1;
    padding: 2px 7px;
    border-radius: 4px;
    flex-shrink: 0;
}

.course-combo-empty {
    padding: 12px;
    text-align: center;
    color: #94a3b8;
    font-size: 0.82rem;
    font-style: italic;
}

.match-highlight {
    background-color: #fef08a;
    color: #854d0e;
    font-weight: 700;
    border-radius: 2px;
    padding: 0 1px;
}