/* ============================================================
   National College Australia - Refer & Earn Program
   Brand-consistent styles
   Colors: Green #1a6c3a, Orange #f5a623, White #ffffff
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
    --nca-green: #1a6c3a;
    --nca-green-dark: #145530;
    --nca-green-light: #e8f5ec;
    --nca-orange: #f5a623;
    --nca-orange-dark: #d4900f;
    --nca-orange-light: #fff8ec;
    --nca-white: #ffffff;
    --nca-bg: #f5f7f6;
    --nca-text: #333333;
    --nca-text-light: #666666;
    --nca-text-muted: #999999;
    --nca-border: #e0e0e0;
    --nca-shadow: 0 2px 12px rgba(0,0,0,0.08);
    --nca-radius: 8px;
    --nca-transition: 0.2s ease;
}

/* ---------- Reset & Base ---------- */
.re-container *,
.re-container *::before,
.re-container *::after {
    box-sizing: border-box;
}

.re-container {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    color: var(--nca-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Hero Banner ---------- */
.re-hero {
    background: linear-gradient(135deg, var(--nca-green) 0%, var(--nca-green-dark) 100%);
    color: var(--nca-white);
    padding: 60px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.re-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.re-hero h1 {
    font-size: 2.4rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.re-hero .re-hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0 0 16px;
}

.re-hero .re-reward-badge {
    display: inline-block;
    background: var(--nca-orange);
    color: var(--nca-white);
    font-size: 2rem;
    font-weight: 800;
    padding: 12px 32px;
    border-radius: 50px;
    margin: 16px 0;
    box-shadow: 0 4px 16px rgba(245,166,35,0.4);
}

.re-hero .re-reward-badge small {
    font-size: 0.5em;
    font-weight: 600;
    display: block;
    margin-top: 2px;
}

/* ---------- Steps Section ---------- */
.re-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    padding: 48px 20px;
    max-width: 960px;
    margin: 0 auto;
}

.re-step {
    flex: 1 1 260px;
    max-width: 300px;
    text-align: center;
    padding: 32px 20px;
    background: var(--nca-white);
    border-radius: var(--nca-radius);
    box-shadow: var(--nca-shadow);
    transition: transform var(--nca-transition);
}

.re-step:hover {
    transform: translateY(-4px);
}

.re-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--nca-green);
    color: var(--nca-white);
    border-radius: 50%;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.re-step h3 {
    color: var(--nca-green);
    font-size: 1.1rem;
    margin: 0 0 8px;
}

.re-step p {
    color: var(--nca-text-light);
    font-size: 0.95rem;
    margin: 0;
}

/* ---------- Section Containers ---------- */
.re-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.re-section-title {
    text-align: center;
    color: var(--nca-green);
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.re-section-subtitle {
    text-align: center;
    color: var(--nca-text-light);
    font-size: 1rem;
    margin: 0 0 32px;
}

/* ---------- Cards ---------- */
.re-card {
    background: var(--nca-white);
    border-radius: var(--nca-radius);
    box-shadow: var(--nca-shadow);
    padding: 32px;
    margin-bottom: 24px;
}

.re-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--nca-border);
}

.re-card-header h2 {
    color: var(--nca-green);
    font-size: 1.2rem;
    margin: 0;
}

/* ---------- Forms ---------- */
.re-form-group {
    margin-bottom: 20px;
}

.re-form-group label {
    display: block;
    font-weight: 600;
    color: var(--nca-text);
    margin-bottom: 6px;
    font-size: 0.95rem;
}

.re-form-group label .re-required {
    color: #e74c3c;
}

.re-form-group label .re-optional {
    color: var(--nca-text-muted);
    font-weight: 400;
    font-size: 0.85em;
}

.re-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--nca-border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--nca-text);
    transition: border-color var(--nca-transition), box-shadow var(--nca-transition);
    background: var(--nca-white);
}

.re-input:focus {
    outline: none;
    border-color: var(--nca-green);
    box-shadow: 0 0 0 3px rgba(26,108,58,0.12);
}

.re-input.error {
    border-color: #e74c3c;
}

.re-form-error {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 4px;
    display: none;
}

.re-form-row {
    display: flex;
    gap: 16px;
}

.re-form-row .re-form-group {
    flex: 1;
}

/* ---------- Checkbox ---------- */
.re-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 20px 0;
}

.re-checkbox-group input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    accent-color: var(--nca-green);
}

.re-checkbox-group label {
    font-size: 0.9rem;
    color: var(--nca-text-light);
    font-weight: 400;
    cursor: pointer;
}

.re-checkbox-group label a {
    color: var(--nca-green);
    text-decoration: underline;
}

/* ---------- Buttons ---------- */
.re-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--nca-transition);
    text-decoration: none;
    line-height: 1.4;
}

.re-btn-primary {
    background: var(--nca-green);
    color: var(--nca-white);
}
.re-btn-primary:hover {
    background: var(--nca-green-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26,108,58,0.3);
}

.re-btn-orange {
    background: var(--nca-orange);
    color: var(--nca-white);
}
.re-btn-orange:hover {
    background: var(--nca-orange-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245,166,35,0.3);
}

.re-btn-outline {
    background: transparent;
    color: var(--nca-green);
    border: 2px solid var(--nca-green);
}
.re-btn-outline:hover {
    background: var(--nca-green);
    color: var(--nca-white);
}

.re-btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.re-btn-block {
    width: 100%;
}

.re-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.re-btn .re-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--nca-white);
    border-radius: 50%;
    animation: re-spin 0.6s linear infinite;
}

.re-btn.loading .re-spinner {
    display: inline-block;
}
.re-btn.loading .re-btn-text {
    display: none;
}

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

/* ---------- Referral Code Display ---------- */
.re-code-display {
    background: var(--nca-green-light);
    border-radius: var(--nca-radius);
    padding: 24px;
    text-align: center;
    margin: 24px 0;
}

.re-code-label {
    color: var(--nca-text-light);
    font-size: 0.9rem;
    margin: 0 0 8px;
}

.re-code-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--nca-green);
    letter-spacing: 3px;
    margin: 0 0 16px;
    word-break: break-all;
}

.re-code-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

/* ---------- Stats Grid ---------- */
.re-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.re-stat-card {
    background: var(--nca-white);
    border-radius: var(--nca-radius);
    padding: 20px;
    text-align: center;
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
    border-left: 4px solid var(--nca-green);
}

.re-stat-card.orange {
    border-left-color: var(--nca-orange);
}

.re-stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--nca-green);
    margin: 0;
}

.re-stat-card.orange .re-stat-value {
    color: var(--nca-orange);
}

.re-stat-label {
    font-size: 0.8rem;
    color: var(--nca-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 4px 0 0;
}

/* ---------- Table ---------- */
.re-table-wrap {
    overflow-x: auto;
    margin: 16px 0;
}

.re-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.re-table th {
    background: var(--nca-green-light);
    color: var(--nca-green);
    font-weight: 600;
    padding: 12px 16px;
    text-align: left;
    white-space: nowrap;
}

.re-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--nca-border);
    vertical-align: middle;
}

.re-table tr:hover td {
    background: #fafafa;
}

/* ---------- Status Badges ---------- */
.re-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.re-badge-pending {
    background: #fff3cd;
    color: #856404;
}

.re-badge-enrolled {
    background: #d4edda;
    color: #155724;
}

.re-badge-issued {
    background: var(--nca-orange-light);
    color: var(--nca-orange-dark);
}

.re-badge-rejected {
    background: #f8d7da;
    color: #721c24;
}

.re-badge-cancelled {
    background: #e2e3e5;
    color: #383d41;
}

/* ---------- Alerts ---------- */
.re-alert {
    padding: 14px 20px;
    border-radius: 6px;
    margin: 16px 0;
    font-size: 0.95rem;
    display: none;
}

.re-alert.show {
    display: block;
}

.re-alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.re-alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.re-alert-info {
    background: var(--nca-green-light);
    color: var(--nca-green);
    border: 1px solid #b8dcc6;
}

/* ---------- Tabs ---------- */
.re-tabs {
    display: flex;
    border-bottom: 2px solid var(--nca-border);
    margin-bottom: 24px;
    gap: 4px;
}

.re-tab {
    padding: 12px 24px;
    font-weight: 600;
    color: var(--nca-text-light);
    cursor: pointer;
    border: none;
    background: none;
    font-size: 0.95rem;
    font-family: inherit;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all var(--nca-transition);
}

.re-tab:hover {
    color: var(--nca-green);
}

.re-tab.active {
    color: var(--nca-green);
    border-bottom-color: var(--nca-green);
}

.re-tab-content {
    display: none;
}

.re-tab-content.active {
    display: block;
}

/* ---------- Referral Link Box ---------- */
.re-link-box {
    background: #f9f9f9;
    border: 1px solid var(--nca-border);
    border-radius: 6px;
    padding: 12px 16px;
    font-size: 0.85rem;
    color: var(--nca-text-light);
    word-break: break-all;
    margin: 8px 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.re-link-box .re-link-url {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- Empty State ---------- */
.re-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--nca-text-muted);
}

.re-empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* ---------- View Toggle ---------- */
.re-view-toggle {
    text-align: center;
    margin: 20px 0;
}

.re-view-toggle a {
    color: var(--nca-green);
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.95rem;
}

/* ---------- Toast Notification ---------- */
.re-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--nca-green);
    color: var(--nca-white);
    padding: 14px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    font-size: 0.95rem;
    z-index: 9999;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

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

/* ---------- Divider ---------- */
.re-divider {
    border: none;
    border-top: 1px solid var(--nca-border);
    margin: 24px 0;
}

/* ---------- Footer Note ---------- */
.re-footer-note {
    text-align: center;
    padding: 32px 20px;
    color: var(--nca-text-muted);
    font-size: 0.85rem;
}

.re-footer-note a {
    color: var(--nca-green);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .re-hero {
        padding: 40px 16px;
    }
    .re-hero h1 {
        font-size: 1.8rem;
    }
    .re-hero .re-reward-badge {
        font-size: 1.6rem;
        padding: 10px 24px;
    }
    .re-form-row {
        flex-direction: column;
        gap: 0;
    }
    .re-card {
        padding: 20px;
    }
    .re-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .re-code-value {
        font-size: 1.5rem;
    }
    .re-tabs {
        overflow-x: auto;
    }
    .re-table {
        font-size: 0.82rem;
    }
    .re-table th,
    .re-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .re-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .re-stat-card {
        padding: 14px;
    }
    .re-stat-value {
        font-size: 1.4rem;
    }
    .re-code-actions {
        flex-direction: column;
    }
    .re-code-actions .re-btn {
        width: 100%;
    }
}

/* ============================================================
   ADMIN DASHBOARD STYLES
   ============================================================ */

/* ---- Admin Top Bar ---- */
.re-admin-bar {
    background: linear-gradient(135deg, var(--nca-green) 0%, var(--nca-green-dark) 100%);
    color: var(--nca-white);
    padding: 0 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

.re-admin-bar-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.re-admin-brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--nca-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.re-admin-brand span {
    background: var(--nca-orange);
    color: var(--nca-white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.re-admin-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.re-admin-user {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
}

.re-admin-bar .re-btn-outline {
    color: var(--nca-white);
    border-color: rgba(255,255,255,0.4);
    padding: 6px 16px;
    font-size: 0.8rem;
}
.re-admin-bar .re-btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.7);
    color: var(--nca-white);
}

/* ---- Admin Container ---- */
.re-admin-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 24px 48px;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    color: var(--nca-text);
    -webkit-font-smoothing: antialiased;
}

/* ---- Admin Stats ---- */
.re-admin-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    margin-bottom: 32px;
}

.re-admin-stat-card {
    background: var(--nca-white);
    border-radius: 10px;
    padding: 22px 20px;
    text-align: center;
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
    border-top: 4px solid var(--nca-green);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.re-admin-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.re-admin-stat-card:nth-child(4) {
    border-top-color: var(--nca-orange);
}
.re-admin-stat-card:nth-child(4) .re-stat-value {
    color: var(--nca-orange);
}

.re-admin-stat-card:nth-child(5) {
    border-top-color: #3498db;
}
.re-admin-stat-card:nth-child(5) .re-stat-value {
    color: #3498db;
}

.re-admin-stat-card .re-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--nca-green);
    margin: 0 0 4px;
    line-height: 1;
}

.re-admin-stat-card .re-stat-label {
    font-size: 0.75rem;
    color: var(--nca-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin: 0;
    font-weight: 500;
}

/* ---- Admin Tabs ---- */
.re-admin-container .re-tabs {
    background: var(--nca-white);
    border-radius: 10px 10px 0 0;
    padding: 0 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    border-bottom: 2px solid var(--nca-border);
}

.re-admin-container .re-tab {
    padding: 14px 24px;
    font-size: 0.9rem;
}

/* ---- Admin Card ---- */
.re-admin-container .re-card {
    border-radius: 0 0 10px 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-top: 0;
    margin-bottom: 0;
}

/* ---- Toolbar ---- */
.re-toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
}

.re-input-sm {
    padding: 8px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
}

/* ---- Extra-small button (table actions) ---- */
.re-btn-xs {
    padding: 5px 12px;
    font-size: 0.78rem;
    border-radius: 4px;
}

/* ---- Admin Login Page ---- */
.re-admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f7f6 0%, #e8f5ec 100%);
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    padding: 20px;
}

.re-admin-login-box {
    width: 100%;
    max-width: 420px;
    background: var(--nca-white);
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.1);
    overflow: hidden;
}

.re-admin-login-header {
    background: linear-gradient(135deg, var(--nca-green) 0%, var(--nca-green-dark) 100%);
    color: var(--nca-white);
    padding: 32px 32px 28px;
    text-align: center;
}

.re-admin-login-header h1 {
    font-size: 1.4rem;
    margin: 0 0 4px;
    font-weight: 700;
}

.re-admin-login-header p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin: 0;
}

.re-admin-login-body {
    padding: 32px;
}

.re-admin-login-body .re-form-group {
    margin-bottom: 20px;
}

.re-admin-login-footer {
    text-align: center;
    padding: 16px 32px 24px;
    color: var(--nca-text-muted);
    font-size: 0.8rem;
}

/* ---- Admin Responsive ---- */
@media (max-width: 1024px) {
    .re-admin-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .re-admin-bar-inner {
        height: 52px;
    }
    .re-admin-brand {
        font-size: 1rem;
    }
    .re-admin-user {
        display: none;
    }
    .re-admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .re-admin-container {
        padding: 16px 12px 32px;
    }
    .re-admin-container .re-card {
        padding: 16px;
    }
    .re-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .re-toolbar .re-input-sm {
        width: 100% !important;
    }
}

@media (max-width: 480px) {
    .re-admin-stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .re-admin-stat-card {
        padding: 16px 12px;
    }
    .re-admin-stat-card .re-stat-value {
        font-size: 1.5rem;
    }
}

/* Modal */
.re-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.re-modal-overlay.show {
    display: flex;
}

.re-modal {
    background: var(--nca-white);
    border-radius: var(--nca-radius);
    max-width: 500px;
    width: 100%;
    padding: 32px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}

.re-modal h3 {
    color: var(--nca-green);
    margin: 0 0 16px;
}

.re-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}