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

.referral-dh {
    --rf-blue: var(--in-primary, #2563eb);
    --rf-blue-hover: var(--in-primary-h, #1d4ed8);
    --rf-blue-active: #1e40af;
    --rf-blue-light: var(--in-primary-soft, #dbeafe);
    --rf-plus: #1fa2f1;
    --rf-plus-hover: #0d8bd4;
    --rf-premium: #444444;
    --rf-premium-hover: #333333;
    --rf-bg: #f4f5f7;
    --rf-surface: #ffffff;
    --rf-surface-2: #f9f9fb;
    --rf-border: #e3e5e9;
    --rf-border-soft: #eceef1;
    --rf-text: #1a1c20;
    --rf-text-muted: #6b7280;
    --rf-text-faint: #adb5bd;
    --rf-radius: 8px;
    --rf-radius-lg: 12px;
    --rf-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.07), 0 1px 2px rgba(0, 0, 0, 0.04);
    --rf-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --rf-trans: 150ms ease;
    font-family: "Inter", system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    color: var(--rf-text);
    background: var(--rf-bg);
    margin: -1rem -0.75rem 0;
    min-height: calc(100vh - 4rem);
    padding-bottom: 120px;
}

.referral-dh-inner {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    padding: 0 28px 48px;
}

@media (max-width: 700px) {
    .referral-dh-inner {
        padding: 0 14px 40px;
    }
}

html[data-theme="dark"] .referral-dh {
    --rf-blue: #3b82f6;
    --rf-blue-hover: #60a5fa;
    --rf-blue-active: #2563eb;
    --rf-blue-light: rgba(59, 130, 246, 0.18);
    --rf-plus: #38bdf8;
    --rf-plus-hover: #7dd3fc;
    --rf-premium: #9ca3af;
    --rf-premium-hover: #d1d5db;
    --rf-bg: #0f1117;
    --rf-surface: #1a1d27;
    --rf-surface-2: #232637;
    --rf-border: rgba(255, 255, 255, 0.1);
    --rf-border-soft: rgba(255, 255, 255, 0.06);
    --rf-text: #e8eaf0;
    --rf-text-muted: #9299ad;
    --rf-text-faint: #5c647a;
    --rf-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
    --rf-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
}

.referral-dh .dh-topbar {
    background: var(--rf-surface);
    border-bottom: 1px solid var(--rf-border);
    padding: 14px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.referral-dh .dh-topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.referral-dh .dh-topbar-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--rf-text);
}

.referral-dh .dh-theme-toggle {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--rf-radius);
    border: 1px solid var(--rf-border);
    background: var(--rf-surface-2);
    color: var(--rf-text-muted);
    cursor: pointer;
    padding: 0;
    transition: background var(--rf-trans), border-color var(--rf-trans), color var(--rf-trans);
}

.referral-dh .dh-theme-toggle:hover {
    background: var(--rf-bg);
    color: var(--rf-text);
    border-color: var(--rf-blue);
}

.referral-dh .dh-page-body {
    padding: 24px 0 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.referral-dh .referral-info-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
    font-size: 14px;
    font-weight: 600;
    color: var(--rf-blue);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 0;
    text-decoration: none;
    transition: color var(--rf-trans);
}

.referral-dh .referral-info-link:hover {
    color: var(--rf-blue-hover);
}

.referral-dh .referral-info-link img {
    width: 1rem;
    height: auto;
    flex-shrink: 0;
}

.referral-dh .dh-card {
    background: var(--rf-surface);
    border: 1px solid var(--rf-border);
    border-radius: var(--rf-radius-lg);
    box-shadow: var(--rf-shadow-sm);
    padding: 20px 22px 22px;
}

.referral-dh .dh-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--rf-text);
    margin: 0 0 14px;
}

.referral-dh .referral-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
}

.referral-dh .dh-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--rf-radius);
    font-size: 13px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: background var(--rf-trans), border-color var(--rf-trans), transform 0.15s ease, box-shadow 0.15s ease;
    cursor: pointer;
    text-decoration: none;
}

.referral-dh .dh-btn-primary {
    background: var(--rf-blue);
    color: #fff;
    border-color: var(--rf-blue);
}

.referral-dh .dh-btn-primary:hover:not(:disabled) {
    background: var(--rf-blue-hover);
}

.referral-dh .dh-btn-secondary {
    background: var(--rf-surface-2);
    color: var(--rf-text);
    border-color: var(--rf-border);
}

.referral-dh .dh-btn-secondary:hover:not(:disabled) {
    background: var(--rf-bg);
    border-color: var(--rf-text-muted);
}

.referral-dh .dh-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.referral-dh .referral-input-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: stretch;
}

.referral-dh .referral-input-row .form-control {
    flex: 1 1 200px;
    min-width: 0;
    border-radius: var(--rf-radius);
    border: 1px solid var(--rf-border);
    background: var(--rf-surface-2);
    color: var(--rf-text);
    font-size: 14px;
    padding: 10px 12px;
}

.referral-dh .referral-input-row .form-control:focus {
    border-color: var(--rf-blue);
    box-shadow: 0 0 0 3px var(--rf-blue-light);
    outline: none;
}

.referral-dh .referral-input-row .form-control-lg {
    font-size: 1.35rem;
    letter-spacing: 0.18em;
    font-weight: 700;
    text-align: center;
    padding: 12px 14px;
}

.referral-dh .referral-code-hint {
    font-size: 13px;
    color: var(--rf-text-muted);
    margin-top: 10px;
    display: block;
}

.referral-dh .form-label {
    font-weight: 600;
    color: var(--rf-text);
    margin-bottom: 6px;
}

.referral-dh .text-muted {
    color: var(--rf-text-muted) !important;
}

.referral-dh .table {
    color: var(--rf-text);
    --bs-table-bg: transparent;
    --bs-table-color: var(--rf-text);
}

.referral-dh .table thead th {
    border-color: var(--rf-border);
    color: var(--rf-text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.referral-dh .table td {
    border-color: var(--rf-border-soft);
    vertical-align: middle;
}

.referral-dh .table-secondary {
    --bs-table-bg: var(--rf-surface-2);
    color: var(--rf-text-muted) !important;
}

/* Progress scale */
.referral-dh .scale {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.referral-dh .scale .filled {
    background-color: var(--rf-blue);
}

.referral-dh .scale .plus-available {
    background-color: var(--rf-plus);
    animation: referral-pulse-blue 2s infinite;
}

.referral-dh .scale .premium-available {
    background-color: var(--rf-premium);
    animation: referral-pulse-premium 2s infinite;
}

@keyframes referral-pulse-blue {
    0% {
        box-shadow: 0 0 0 0 rgba(31, 162, 241, 0.45);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(31, 162, 241, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(31, 162, 241, 0);
    }
}

@keyframes referral-pulse-premium {
    0% {
        box-shadow: 0 0 0 0 rgba(120, 120, 120, 0.35);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(120, 120, 120, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(120, 120, 120, 0);
    }
}

.referral-dh .reward-section {
    background: var(--rf-surface);
    border: 1px solid var(--rf-border);
    border-radius: var(--rf-radius-lg);
    padding: 20px 22px;
    box-shadow: var(--rf-shadow-sm);
}

.referral-dh .reward-section .reward-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.referral-dh .reward-section h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    color: var(--rf-text);
}

.referral-dh .reward-percent {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rf-plus);
}

.referral-dh .reward-info {
    font-size: 14px;
    margin-bottom: 14px;
}

.referral-dh .reward-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.referral-dh .btn-plus {
    background-color: var(--rf-plus);
    color: #fff;
    border: none;
    border-radius: var(--rf-radius);
    padding: 9px 16px;
    font-weight: 600;
    font-size: 13px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background var(--rf-trans);
}

.referral-dh .btn-plus:hover:not(:disabled) {
    background-color: var(--rf-plus-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(31, 162, 241, 0.25);
}

.referral-dh .btn-premium {
    background-color: var(--rf-premium);
    color: #fff;
    border: none;
    border-radius: var(--rf-radius);
    padding: 9px 16px;
    font-weight: 600;
    font-size: 13px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background var(--rf-trans);
}

.referral-dh .btn-premium:hover:not(:disabled) {
    background-color: var(--rf-premium-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.referral-dh .btn-plus:disabled,
.referral-dh .btn-premium:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.referral-dh .block {
    width: 48px;
    height: 30px;
    border: 1px solid var(--rf-border);
    border-radius: 4px;
    background-color: var(--rf-surface-2);
}

.referral-dh .block.filled {
    background-color: var(--rf-blue);
    border-color: var(--rf-blue);
}

.referral-dh .referral-show-btn-wrap {
    margin-top: 4px;
}

.referral-dh .fixed-width-btn {
    width: min(100%, 320px);
    margin-left: 0;
}

/* Modal overlay is a sibling of .referral-dh — theme via html[data-theme] */
.referral-modal-root .modal-content {
    border-radius: 12px;
    border: 1px solid #e3e5e9;
    background: #ffffff;
    color: #1a1c20;
}

.referral-modal-root .modal-header {
    border-bottom: 1px solid #e3e5e9;
}

.referral-modal-root .modal-title {
    font-weight: 600;
}

html[data-theme="dark"] .referral-modal-root .modal-content {
    background: #1a1d27;
    color: #e8eaf0;
    border-color: rgba(255, 255, 255, 0.12);
}

html[data-theme="dark"] .referral-modal-root .modal-header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

html[data-theme="dark"] .referral-modal-root .btn-close {
    filter: invert(1);
    opacity: 0.75;
}

@media (max-width: 991px) {
    .referral-dh .referral-two-col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .referral-dh .dh-topbar {
        padding: 12px 0;
    }

    .referral-dh .dh-page-body {
        padding: 16px 0 28px;
    }

    .referral-dh .scale {
        gap: 6px;
    }

    .referral-dh .block {
        width: 15px;
        height: 18px;
    }

    .referral-dh .referral-info-link {
        font-size: 13px;
    }

    .referral-dh .referral-input-row {
        flex-direction: column;
    }

    .referral-dh .referral-input-row .dh-btn {
        width: 100%;
    }

    .referral-dh .fixed-width-btn {
        width: 100%;
    }

    .referral-modal-root .modal-dialog {
        margin: 1rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .referral-dh .scale .block {
        width: 42px;
        height: 28px;
    }

    .referral-dh .fixed-width-btn {
        width: min(100%, 220px);
    }
}

@media (min-width: 1025px) and (max-width: 1400px) {
    .referral-dh .scale .block {
        width: 46px;
        height: 30px;
    }

    .referral-dh .fixed-width-btn {
        width: min(100%, 280px);
    }
}