/* ── Design Tokens ── */
:root {
    --bs-primary: #a855f7;
    --bs-primary-rgb: 168, 85, 247;
    --bs-success: #14b8a6;
    --bs-success-rgb: 20, 184, 166;
    --bs-dark: #030712;
    --bs-dark-rgb: 3, 7, 18;

    --foss-accent: #c084fc;
    --foss-bg: #ffffff;
    --foss-text: #0f172a;
    --foss-secondary: #64748b;
}


/* 
    GLOBAL BASE STYLES 
*/

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--foss-bg);
    color: var(--foss-text);
    -webkit-font-smoothing: antialiased;
}

/* Faster tap response on touch devices */
a,
button,
.btn,
input,
select,
textarea,
[role="button"] {
    touch-action: manipulation;
}

/* Official Site Heading Style */
h1,
h2,
h3,
.display-4 {
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--bs-dark);
}

.text-brand-gradient {
    background: linear-gradient(to right, #a855f7, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}


/* ── Navbar ── */
.navbar {
    backdrop-filter: blur(12px);
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    color: var(--bs-dark);
    letter-spacing: -0.04em;
    font-size: 1.5rem;
    text-transform: uppercase;
}

.navbar-brand span {
    color: var(--bs-primary);
}

.nav-link {
    color: var(--foss-secondary);
    font-weight: 600;
    margin: 0 0.5rem;
    transition: color 0.2s ease;
}

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


/* ── Cards ── */
.card {
    border: 0;
    border-radius: 1.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    background: #ffffff;
}


/* ── Buttons ── */
.btn {
    font-weight: 600;
    border-radius: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.8rem 2rem;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.4);
    filter: brightness(1.1);
}

.btn-success {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(20, 184, 166, 0.4);
    filter: brightness(1.1);
}

.btn-dark {
    background-color: var(--bs-dark);
    color: #ffffff !important;
    box-shadow: 0 4px 15px rgba(3, 7, 18, 0.2);
}

.btn-outline-primary {
    color: var(--bs-primary);
    border: 2px solid var(--bs-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--bs-primary);
    color: #ffffff;
}

.btn-outline-success {
    color: var(--bs-success);
    border: 2px solid var(--bs-success);
    background: transparent;
}

.btn-outline-success:hover {
    background-color: var(--bs-success);
    color: #ffffff;
}


/* ── Layout ── */
.app-container {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

footer {
    margin-top: 5rem;
    padding: 3rem 0;
    background-color: #f8fafc;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--foss-secondary);
}


/* ── Bootstrap Utility Overrides ── */
.text-primary {
    color: var(--bs-primary) !important;
}

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

.bg-primary-subtle {
    background-color: rgba(var(--bs-primary-rgb), 0.1) !important;
}

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

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

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

.bg-success-subtle {
    background-color: rgba(var(--bs-success-rgb), 0.1) !important;
}

.border-success {
    border-color: var(--bs-success) !important;
}

.progress-bar {
    background: linear-gradient(90deg, #a855f7, #14b8a6) !important;
}


/* 
   PAGE-SPECIFIC STYLES
*/

/* ── Admin Users ── */
.users-table-wrap {
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

.users-table {
    margin-bottom: 0;
}

.users-table thead th {
    background: #f8fafc;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    padding: 1rem 1.25rem;
    border: none;
    border-bottom: 2px solid #e2e8f0;
    white-space: nowrap;
}

.users-table tbody td {
    padding: 0.85rem 1.25rem;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.9rem;
}

.users-table tbody tr {
    transition: background 0.15s ease;
}

.users-table tbody tr:hover {
    background-color: rgba(168, 85, 247, 0.04);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #e2e8f0;
    transition: border-color 0.2s ease;
}

.users-table tbody tr:hover .user-avatar {
    border-color: var(--bs-primary);
}

.badge-admin {
    background: linear-gradient(135deg, #a855f7, #7c3aed);
    color: #fff;
    font-weight: 600;
    padding: 0.35em 0.85em;
    border-radius: 999px;
    font-size: 0.78rem;
}

.badge-participant {
    background: rgba(20, 184, 166, 0.12);
    color: #0d9488;
    font-weight: 600;
    padding: 0.35em 0.85em;
    border-radius: 999px;
    font-size: 0.78rem;
}

.btn-promote {
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    color: #fff;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 1.1rem;
    border-radius: 0.75rem;
    border: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.25);
}

.btn-promote:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
    filter: brightness(1.08);
    color: #fff;
}

.btn-delete {
    background: transparent;
    color: #ef4444;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 1.1rem;
    border-radius: 0.75rem;
    border: 2px solid #fecaca;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-delete:hover {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-demote {
    background: transparent;
    color: #f59e0b;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 1.1rem;
    border-radius: 0.75rem;
    border: 2px solid #fde68a;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-demote:hover {
    background: #f59e0b;
    color: #fff;
    border-color: #f59e0b;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.search-box {
    border-radius: 1rem;
    border: 2px solid #e2e8f0;
    padding: 0.7rem 1.2rem 0.7rem 2.8rem;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    max-width: 360px;
}

.search-box:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
    outline: none;
}

.search-wrap {
    position: relative;
}

.search-wrap i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 1rem;
}

.user-count-badge {
    background: rgba(168, 85, 247, 0.1);
    color: var(--bs-primary);
    font-weight: 700;
    padding: 0.4em 1em;
    border-radius: 999px;
    font-size: 0.85rem;
}


/* ── Admin Events ── */
.event-card {
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.25s ease;
    border: 1px solid #f1f5f9;
    background: #fff;
}

.event-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.event-card.active-event {
    border-color: rgba(20, 184, 166, 0.3);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.1);
}

.event-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.event-body {
    padding: 0 1.5rem 1.25rem;
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.event-meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: #64748b;
}

.event-meta-item i {
    font-size: 0.95rem;
}

.badge-active {
    background: rgba(20, 184, 166, 0.12);
    color: #0d9488;
    font-weight: 600;
    padding: 0.3em 0.85em;
    border-radius: 999px;
    font-size: 0.78rem;
    white-space: nowrap;
}

.badge-inactive {
    background: #f1f5f9;
    color: #94a3b8;
    font-weight: 600;
    padding: 0.3em 0.85em;
    border-radius: 999px;
    font-size: 0.78rem;
    white-space: nowrap;
}

.event-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0 1.5rem 1.25rem;
}

.btn-toggle {
    background: transparent;
    color: #14b8a6;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
    border-radius: 0.75rem;
    border: 2px solid rgba(20, 184, 166, 0.3);
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-toggle:hover {
    background: #14b8a6;
    color: #fff;
    border-color: #14b8a6;
}

.btn-toggle.deactivate {
    color: #f59e0b;
    border-color: #fde68a;
}

.btn-toggle.deactivate:hover {
    background: #f59e0b;
    color: #fff;
    border-color: #f59e0b;
}

.btn-event-delete {
    background: transparent;
    color: #ef4444;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
    border-radius: 0.75rem;
    border: 2px solid #fecaca;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-event-delete:hover {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
}

.btn-event-edit {
    background: transparent;
    color: #a855f7;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
    border-radius: 0.75rem;
    border: 2px solid rgba(168, 85, 247, 0.3);
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-event-edit:hover {
    background: #a855f7;
    color: #fff;
    border-color: #a855f7;
}

.btn-create-event {
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    color: #fff;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
    font-size: 0.9rem;
}

.btn-create-event:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.4);
    filter: brightness(1.08);
}

.event-count-badge {
    background: rgba(168, 85, 247, 0.1);
    color: var(--bs-primary);
    font-weight: 700;
    padding: 0.4em 1em;
    border-radius: 999px;
    font-size: 0.85rem;
}

.event-description {
    color: #475569;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

/* ── Shared: Empty State ── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #94a3b8;
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    display: block;
}


/* ── SweetAlert2 Event Form Overrides ── */
.swal2-popup .ef-group {
    margin-bottom: 1rem;
}

.swal2-popup .ef-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    font-size: 0.82rem;
    color: #334155;
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.swal2-popup .ef-label i {
    color: #a855f7;
    font-size: 0.9rem;
}

.swal2-popup .ef-input,
.swal2-popup .ef-textarea {
    width: 100%;
    border: 2px solid #e2e8f0;
    border-radius: 0.85rem;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    color: #1e293b;
    background: #f8fafc;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    outline: none;
    box-sizing: border-box;
}

.swal2-popup .ef-input:focus,
.swal2-popup .ef-textarea:focus {
    border-color: #a855f7;
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.12);
    background: #fff;
}

.swal2-popup .ef-input::placeholder,
.swal2-popup .ef-textarea::placeholder {
    color: #94a3b8;
}

.swal2-popup .ef-textarea {
    resize: vertical;
    min-height: 70px;
}

.swal2-popup .ef-row {
    display: flex;
    gap: 0.75rem;
}

.swal2-popup .ef-row .ef-group {
    flex: 1;
}

.swal2-popup .ef-divider {
    height: 1px;
    background: #e2e8f0;
    margin: 1.25rem 0;
}

.swal2-popup .ef-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.06), rgba(168, 85, 247, 0.06));
    border-radius: 0.85rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s ease;
}

.swal2-popup .ef-toggle:has(input:checked) {
    border-color: rgba(20, 184, 166, 0.3);
}

.swal2-popup .ef-toggle input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: #14b8a6;
    cursor: pointer;
    flex-shrink: 0;
}

.swal2-popup .ef-toggle-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: #334155;
}

.swal2-popup .ef-toggle-hint {
    font-size: 0.78rem;
    color: #94a3b8;
}

.swal2-popup .swal2-html-container {
    padding: 0 0.5rem !important;
    margin: 1rem 0 0 !important;
}


/*
   RESPONSIVE — MOBILE-FIRST OVERRIDES
*/

/* ── Small phones (≤ 576px) ── */
@media (max-width: 575.98px) {
    .app-container {
        margin: 1rem auto;
        padding: 0 0.75rem;
    }

    .navbar {
        padding: 0.6rem 0;
    }

    .navbar-brand {
        font-size: 1.1rem;
    }

    h1,
    .display-4 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    .btn {
        padding: 0.55rem 1rem;
        font-size: 0.85rem;
    }

    .btn-lg {
        padding: 0.6rem 1.2rem !important;
        font-size: 0.9rem !important;
    }

    .card {
        border-radius: 1rem;
    }

    footer {
        margin-top: 2rem;
        padding: 1.5rem 0;
    }

    .nav-link {
        margin: 0 0.15rem;
        font-size: 0.85rem;
    }

    /* Login */
    .login-hero .display-4 {
        font-size: 1.35rem;
    }

    .login-card {
        padding: 1.25rem !important;
    }

    /* Register */
    .register-card {
        padding: 1rem !important;
    }

    /* Dashboard */
    .stat-value {
        font-size: 1.25rem !important;
    }

    .stat-card {
        padding: 0.75rem !important;
    }

    /* Admin Users */
    .users-table .hide-xs {
        display: none;
    }

    /* Admin Events */
    .event-actions {
        flex-direction: column;
    }

    .event-actions button {
        width: 100%;
    }

    .btn-create-event {
        width: 100%;
        text-align: center;
    }

    /* Success */
    .success-card {
        padding: 1rem !important;
    }

    .success-avatar {
        width: 60px !important;
        height: 60px !important;
    }

    .success-card .h2,
    .success-card .h3 {
        font-size: 1.1rem;
    }

    /* Verify / Scanner */
    .scanner-video-area {
        min-height: 240px !important;
    }

    .scanner-video-area video {
        min-height: 240px !important;
    }

    .scanner-overlay {
        width: 70% !important;
        height: 70% !important;
    }

    .scanner-card .card-header h5 {
        font-size: 0.95rem;
    }
}


/* ── Tablets & small laptops (≤ 768px) ── */
@media (max-width: 767.98px) {
    .app-container {
        margin: 1.5rem auto;
        padding: 0 1rem;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    h1,
    .display-4 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
    }

    footer {
        margin-top: 2.5rem;
        padding: 2rem 0;
    }

    /* Login */
    .login-hero {
        min-height: auto !important;
        padding: 2rem 0 1rem;
    }

    .login-hero .display-4 {
        font-size: 1.5rem;
    }

    .login-hero .lead {
        font-size: 0.95rem;
    }

    .login-card {
        padding: 1.5rem !important;
    }

    /* Register */
    .register-card {
        padding: 1.25rem !important;
    }

    .register-actions {
        flex-direction: column;
    }

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

    #serverQrImg {
        max-width: 180px !important;
    }

    /* Dashboard */
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start !important;
    }

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

    .stat-value {
        font-size: 1.5rem !important;
    }

    /* Admin Users — card layout (table → stacked cards) */
    .search-box {
        max-width: 100%;
    }

    .users-table-wrap {
        border-radius: 1rem;
    }

    .users-table thead {
        display: none;
    }

    .users-table tbody tr {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        padding: 0.85rem 1rem;
        border-bottom: 1px solid #f1f5f9;
        gap: 0.5rem;
    }

    .users-table tbody td:first-child {
        padding: 0;
        border: none;
        flex-shrink: 0;
    }

    .users-table tbody .user-name {
        flex: 1 1 100px;
        padding: 0;
        border: none;
        font-size: 0.9rem;
    }

    .users-table tbody .user-email {
        display: none;
    }

    .users-table tbody td:nth-child(4) {
        padding: 0;
        border: none;
    }

    .users-table tbody td:nth-child(5) {
        display: none;
    }

    .users-table tbody .users-action-cell {
        flex-basis: 100%;
        padding: 0.5rem 0 0;
        border: none;
        text-align: left;
    }

    .users-table tbody .users-action-cell .d-flex {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem !important;
        justify-content: flex-start;
    }

    .users-table tbody .users-action-cell .btn-promote,
    .users-table tbody .users-action-cell .btn-demote,
    .users-table tbody .users-action-cell .btn-delete {
        width: auto;
        flex: 1 1 auto;
        font-size: 0.75rem;
        padding: 0.35rem 0.75rem;
    }

    .user-avatar {
        width: 36px;
        height: 36px;
    }

    /* Admin Events */
    .event-header {
        padding: 1rem;
    }

    .event-body {
        padding: 0 1rem 1rem;
    }

    .event-actions {
        flex-wrap: wrap;
        padding: 0 1rem 1rem;
    }

    .event-actions button {
        flex: 1 1 auto;
        min-width: 0;
        text-align: center;
    }

    .swal2-popup .ef-row {
        flex-direction: column;
    }

    .event-meta {
        gap: 0.5rem;
    }

    .event-meta-item {
        font-size: 0.78rem;
    }

    /* Success */
    .success-card {
        padding: 1.5rem !important;
    }

    .success-card .qr-img {
        max-width: 100px !important;
    }

    .success-card .h2,
    .success-card .h3 {
        font-size: 1.2rem;
    }

    .success-avatar {
        width: 72px !important;
        height: 72px !important;
    }

    .success-info-card {
        padding: 0.75rem !important;
    }

    /* Verify / Scanner */
    .scanner-video-area {
        min-height: 280px !important;
    }

    .scanner-video-area video {
        min-height: 280px !important;
    }

    .scanner-overlay {
        width: 60% !important;
        height: 60% !important;
    }

    .scanner-card .card-footer {
        padding: 0.75rem 1rem !important;
    }

    .scanner-card .card-footer .btn {
        padding: 0.5rem 1.5rem !important;
        font-size: 0.85rem !important;
    }

    #scanResult {
        padding: 1.5rem 1rem !important;
        min-height: auto !important;
    }
}


/* ── Medium devices / collapsed navbar (≤ 992px) ── */
@media (max-width: 991.98px) {
    .app-container {
        margin: 2rem auto;
        padding: 0 1.25rem;
    }

    /* Collapsed navbar: show inline profile, hide dropdown */
    .nav-profile-desktop {
        display: none !important;
    }

    .nav-profile-mobile {
        display: flex !important;
    }
}


/* ── Large screens (≥ 992px) — desktop ── */
@media (min-width: 992px) {
    .border-lg-0 {
        border: none !important;
    }

    .nav-profile-desktop {
        display: flex !important;
    }

    .nav-profile-mobile {
        display: none !important;
    }
}


/* ── Complete Profile ── */
.cp-wrapper {
    min-height: calc(100vh - 130px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%);
}

.cp-card {
    background: #fff;
    border-radius: 1.5rem;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.12), 0 4px 20px rgba(0, 0, 0, 0.06);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 580px;
}

.cp-header-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.cp-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e1b4b;
    text-align: center;
    margin-bottom: 0.35rem;
}

.cp-subtitle {
    color: #6b7280;
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: 2rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.category-card {
    position: relative;
    cursor: pointer;
}

.category-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.category-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    border: 2px solid #e5e7eb;
    border-radius: 1rem;
    background: #fafafa;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    min-height: 100px;
    user-select: none;
}

.category-label:hover {
    border-color: #a5b4fc;
    background: #f5f3ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.12);
}

.category-card input[type="radio"]:checked + .category-label {
    border-color: #6366f1;
    background: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15), 0 4px 16px rgba(99, 102, 241, 0.15);
}

.category-label .cat-icon {
    font-size: 1.6rem;
    line-height: 1;
}

.category-label .cat-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: #374151;
    line-height: 1.3;
}

.category-card input[type="radio"]:checked + .category-label .cat-title {
    color: #4338ca;
}

.field-panel {
    display: none;
    animation: slideIn 0.25s ease;
}

.field-panel.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cp-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.35rem;
    display: block;
}

.cp-input, .cp-select {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid #d1d5db;
    border-radius: 0.65rem;
    font-size: 0.9rem;
    background: #fff;
    color: #111827;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.cp-input:focus, .cp-select:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.cp-input::placeholder {
    color: #9ca3af;
}

.select-wrap {
    position: relative;
}

.select-wrap::after {
    content: '\f282';
    font-family: 'Bootstrap Icons';
    position: absolute;
    right: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: #6b7280;
    pointer-events: none;
    font-size: 0.8rem;
}

.field-group {
    margin-bottom: 1.1rem;
}

.hint-text {
    font-size: 0.75rem;
    color: #9ca3af;
    margin-top: 0.3rem;
}

.cp-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0.75rem;
    color: #b91c1c;
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cp-submit {
    width: 100%;
    padding: 0.8rem;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #fff;
    border: none;
    border-radius: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    letter-spacing: 0.01em;
    margin-top: 0.5rem;
}

.cp-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.cp-submit:active {
    transform: translateY(0);
}

.cp-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.cp-divider {
    border: none;
    border-top: 1.5px solid #f3f4f6;
    margin: 1.5rem 0;
}

.cp-placeholder {
    text-align: center;
    color: #9ca3af;
    font-size: 0.85rem;
    padding: 1rem 0;
}

@media (max-width: 480px) {
    .cp-card {
        padding: 1.75rem 1.25rem;
    }

    .category-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .category-label {
        padding: 0.75rem 0.25rem;
        min-height: 90px;
    }

    .category-label .cat-icon {
        font-size: 1.3rem;
    }
}


/* ── Admin Users — Affiliation Info Button + Modal ── */
.btn-info-affiliation {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1.5px solid #e0e7ff;
    border-radius: 8px;
    background: #f5f3ff;
    color: #6366f1;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.18s ease;
    padding: 0;
}

.btn-info-affiliation:hover {
    background: #6366f1;
    color: #fff;
    border-color: #6366f1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.affil-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: linear-gradient(135deg, #eef2ff, #f5f3ff);
    border: 1px solid #c7d2fe;
    color: #4338ca;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.affil-row {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    margin-bottom: 0.85rem;
}

.affil-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #9ca3af;
}

.affil-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: #111827;
}


/* ── Admin Events — Export Button ── */
.btn-event-export {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: #f0fdf4;
    color: #15803d;
    border: 1.5px solid #bbf7d0;
    border-radius: 8px;
    padding: .38rem .85rem;
    font-size: .82rem;
    font-weight: 600;
    text-decoration: none;
    transition: background .15s, border-color .15s;
}

.btn-event-export:hover {
    background: #dcfce7;
    border-color: #86efac;
    color: #15803d;
}


/* ── User Events Page ── */
.ue-header {
    margin-bottom: 2rem;
}

.ue-header h2 {
    font-size: 1.7rem;
    font-weight: 800;
    margin-bottom: .25rem;
}

.ue-header p {
    color: var(--foss-secondary);
    margin: 0;
}

.section-label {
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #9ca3af;
    margin-bottom: .75rem;
}

.ec {
    background: #fff;
    border: 1.5px solid #e5e7eb;
    border-radius: 16px;
    padding: 1.4rem 1.5rem;
    transition: box-shadow .18s, transform .18s;
    position: relative;
    overflow: hidden;
}

.ec:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
    transform: translateY(-2px);
}

.ec.available {
    border-color: #a5b4fc;
    background: linear-gradient(135deg, #faf5ff, #f0f4ff);
}

.ec-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .72rem;
    font-weight: 700;
    padding: .28rem .7rem;
    border-radius: 20px;
    margin-bottom: .75rem;
}

.ec-badge.registered {
    background: #d1fae5;
    color: #065f46;
}

.ec-badge.attended {
    background: #fef3c7;
    color: #92400e;
}

.ec-badge.open {
    background: #ede9fe;
    color: #5b21b6;
}

.ec-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: .3rem;
}

.ec-meta {
    font-size: .8rem;
    color: #6b7280;
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-bottom: 1rem;
}

.ec-meta i {
    color: #a855f7;
}

.btn-register {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: linear-gradient(135deg, #a855f7, #6366f1);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: .55rem 1.2rem;
    font-size: .88rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .18s, transform .18s;
    text-decoration: none;
}

.btn-register:hover {
    opacity: .9;
    transform: translateY(-1px);
    color: #fff;
}

.btn-register:active {
    transform: scale(.97);
}

.btn-register:disabled {
    opacity: .5;
    cursor: not-allowed;
    transform: none;
}

.btn-qr {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    background: #f3f4f6;
    color: #374151;
    border: 1.5px solid #e5e7eb;
    border-radius: 10px;
    padding: .45rem 1rem;
    font-size: .82rem;
    font-weight: 600;
    text-decoration: none;
    transition: background .15s, border-color .15s;
}

.btn-qr:hover {
    background: #ede9fe;
    border-color: #c4b5fd;
    color: #5b21b6;
}

.empty-card {
    background: #fff;
    border: 1.5px dashed #e5e7eb;
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    color: #9ca3af;
}

.empty-card i {
    font-size: 2.5rem;
    display: block;
    margin-bottom: .75rem;
    color: #d1d5db;
}


/* ── Admin Users — Affiliation Modal ── */
.btn-info-affiliation {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1.5px solid #e0e7ff;
    border-radius: 8px;
    background: #f5f3ff;
    color: #6366f1;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.18s ease;
    padding: 0;
}

.btn-info-affiliation:hover {
    background: #6366f1;
    color: #fff;
    border-color: #6366f1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.affil-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: linear-gradient(135deg, #eef2ff, #f5f3ff);
    border: 1px solid #c7d2fe;
    color: #4338ca;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.affil-row {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f3f4f6;
}

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

.affil-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #9ca3af;
}

.affil-value {
    font-size: 0.92rem;
    font-weight: 500;
    color: #1e293b;
}


/* ── Complete Profile Page ── */
.cp-wrapper {
    min-height: calc(100vh - 130px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%);
}

.cp-card {
    background: #fff;
    border-radius: 1.5rem;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.12), 0 4px 20px rgba(0, 0, 0, 0.06);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 580px;
}

.cp-header-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.cp-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e1b4b;
    text-align: center;
    margin-bottom: 0.35rem;
}

.cp-subtitle {
    color: #6b7280;
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: 2rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.category-card {
    position: relative;
    cursor: pointer;
}

.category-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.category-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    border: 2px solid #e5e7eb;
    border-radius: 1rem;
    background: #fafafa;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    min-height: 100px;
    user-select: none;
}

.category-label:hover {
    border-color: #a5b4fc;
    background: #f5f3ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.12);
}

.category-card input[type="radio"]:checked + .category-label {
    border-color: #6366f1;
    background: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15), 0 4px 16px rgba(99, 102, 241, 0.15);
}

.category-label .cat-icon {
    font-size: 1.6rem;
    line-height: 1;
}

.category-label .cat-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: #374151;
    line-height: 1.3;
}

.category-card input[type="radio"]:checked + .category-label .cat-title {
    color: #4338ca;
}

.field-panel {
    display: none;
    animation: slideIn 0.25s ease;
}

.field-panel.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cp-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.35rem;
    display: block;
}

.cp-input, .cp-select {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid #d1d5db;
    border-radius: 0.65rem;
    font-size: 0.9rem;
    background: #fff;
    color: #111827;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.cp-input:focus, .cp-select:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.cp-input::placeholder {
    color: #9ca3af;
}

.select-wrap {
    position: relative;
}

.select-wrap::after {
    content: '\f282';
    font-family: 'Bootstrap Icons';
    position: absolute;
    right: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: #6b7280;
    pointer-events: none;
    font-size: 0.8rem;
}

.field-group {
    margin-bottom: 1.1rem;
}

.hint-text {
    font-size: 0.75rem;
    color: #9ca3af;
    margin-top: 0.3rem;
}

.cp-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0.75rem;
    color: #b91c1c;
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cp-submit {
    width: 100%;
    padding: 0.8rem;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #fff;
    border: none;
    border-radius: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    letter-spacing: 0.01em;
    margin-top: 0.5rem;
}

.cp-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.cp-submit:active {
    transform: translateY(0);
}

.cp-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.cp-divider {
    border: none;
    border-top: 1.5px solid #f3f4f6;
    margin: 1.5rem 0;
}

.cp-placeholder {
    text-align: center;
    color: #9ca3af;
    font-size: 0.85rem;
    padding: 1rem 0;
}

@media (max-width: 480px) {
    .cp-card {
        padding: 1.75rem 1.25rem;
    }

    .category-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .category-label {
        padding: 0.75rem 0.25rem;
        min-height: 90px;
    }

    .category-label .cat-icon {
        font-size: 1.3rem;
    }
}


/* WhatsApp Join Button */
.btn-whatsapp {
    background-color: #25D366;
    color: white;
    border-radius: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    padding: 0.6rem 1rem;
    transition: background-color 0.2s, transform 0.2s;
    border: none;
    cursor: pointer;
}

.btn-whatsapp:hover {
    background-color: #20b858;
    color: white;
    transform: translateY(-1px);
}