/* ================================================================
   PREMIUM / FREE TIER CSS
   Shared across all subjects and the hub
   ================================================================ */

/* ── Locked Cards ─────────────────────────────────────────── */
.premium-locked {
    position: relative;
    opacity: 0.6;
    filter: grayscale(0.3);
    cursor: pointer !important;
    transition: opacity 0.3s, filter 0.3s;
}
.premium-locked:hover {
    opacity: 0.75;
    filter: grayscale(0.15);
}
.premium-locked * {
    pointer-events: none;
}
.premium-lock-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4361ee, #6f86ff);
    color: #fff;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 10px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(67, 97, 238, 0.4);
    z-index: 2;
    pointer-events: none;
    line-height: 1.4;
}
.premium-lock-badge.pro-locked {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}
body.dark-mode .premium-lock-badge {
    box-shadow: 0 2px 8px rgba(67, 97, 238, 0.6);
}
body.dark-mode .premium-lock-badge.pro-locked {
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.6);
}

/* ── Premium User Badge (next to name) ────────────────────── */
.premium-user-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 2px 8px;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 10px;
    vertical-align: middle;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.premium-user-badge.owner {
    background: linear-gradient(135deg, #ff6b6b, #c44569);
    color: #fff;
}
.premium-user-badge.flying-wallabee {
    background: linear-gradient(135deg, #00b894, #00cec9);
    color: #fff;
}
.premium-user-badge.developer {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #fff;
}
.premium-user-badge.student,
.premium-user-badge.founder {
    background: linear-gradient(135deg, #4361ee, #6f86ff);
    color: #fff;
}
.premium-user-badge.pro,
.premium-user-badge.standard {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}
.premium-user-badge.gift {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

/* ── Settings Plan Row ────────────────────────────────────── */
.premium-plan-label {
    font-size: 0.82rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 8px;
}
.premium-plan-label.free {
    color: var(--text-light);
}
.premium-plan-label.owner {
    background: linear-gradient(135deg, #ff6b6b, #c44569);
    color: #fff;
}
.premium-plan-label.flying-wallabee {
    background: linear-gradient(135deg, #00b894, #00cec9);
    color: #fff;
}
.premium-plan-label.developer {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #fff;
}
.premium-plan-label.student,
.premium-plan-label.founder {
    background: linear-gradient(135deg, #4361ee, #6f86ff);
    color: #fff;
}
.premium-plan-label.pro,
.premium-plan-label.standard {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

/* ── Upgrade Modal ────────────────────────────────────────── */
.premium-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10001;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.premium-modal-overlay.show {
    display: flex;
}
.premium-modal {
    background: var(--card, #fff);
    border-radius: 20px;
    padding: 32px 28px;
    max-width: 780px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 16px 64px rgba(0,0,0,0.2);
    position: relative;
    animation: premiumModalIn 0.3s ease;
}
@keyframes premiumModalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
body.dark-mode .premium-modal {
    background: var(--card, #16213e);
}
.premium-modal-close {
    position: absolute;
    top: 12px;
    right: 14px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
}
.premium-modal h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
    text-align: center;
}
.premium-modal-sub {
    text-align: center;
    color: var(--text-light);
    font-size: 0.88rem;
    margin-bottom: 18px;
    line-height: 1.5;
}

/* ── Billing Toggle ──────────────────────────────────────── */
.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}
.billing-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    transition: color 0.2s;
}
.billing-label.active {
    color: var(--text, #2b2d42);
}
body.dark-mode .billing-label.active {
    color: #fff;
}
.billing-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}
.billing-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.billing-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: #ccc;
    border-radius: 24px;
    transition: background 0.3s;
}
.billing-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.3s;
}
.billing-switch input:checked + .billing-slider {
    background: var(--primary, #4361ee);
}
.billing-switch input:checked + .billing-slider::before {
    transform: translateX(20px);
}
.billing-save {
    font-size: 0.72rem;
    font-weight: 700;
    color: #16a34a;
    background: rgba(22, 163, 74, 0.1);
    padding: 2px 8px;
    border-radius: 8px;
}

/* ── Plan Cards (3-column) ───────────────────────────────── */
.premium-plans {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 16px;
}
.premium-plans.three-col {
    grid-template-columns: 1fr 1fr 1fr;
}
@media (max-width: 640px) {
    .premium-plans.three-col { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .premium-plans { grid-template-columns: 1fr; }
}
.premium-plan-card {
    border: 2px solid rgba(0,0,0,0.08);
    border-radius: 16px;
    padding: 20px 16px;
    text-align: center;
    position: relative;
    transition: border-color 0.2s, transform 0.2s;
    display: flex;
    flex-direction: column;
}
.premium-plan-card:hover {
    transform: translateY(-2px);
}
body.dark-mode .premium-plan-card {
    border-color: rgba(255,255,255,0.1);
}

/* Student card */
.premium-plan-card.student-card {
    border-color: #4361ee;
    background: linear-gradient(180deg, rgba(67, 97, 238, 0.04), transparent);
}
.student-card .premium-plan-price {
    color: #4361ee;
}

/* Pro card */
.premium-plan-card.pro-card {
    border-color: #f59e0b;
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.06), transparent);
}
.pro-card .premium-plan-price {
    color: #d97706;
}
.pro-card .premium-plan-cta {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

/* Free card */
.premium-plan-card.free-card {
    opacity: 0.85;
}
.free-card .premium-plan-cta.free-cta {
    background: var(--bg-alt, #e9ecef);
    color: var(--text-light);
    cursor: default;
}

.premium-plan-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.premium-plan-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.premium-plan-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}
.premium-plan-price span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
}
.premium-plan-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 14px;
    font-size: 0.85rem;
    line-height: 1.8;
}
.premium-plan-card li::before {
    content: '\2713 ';
    color: var(--success, #06d6a0);
    font-weight: 700;
    margin-right: 4px;
}
.premium-plan-cta {
    width: 100%;
    padding: 10px 0;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    color: #fff;
    background: var(--primary, #4361ee);
    transition: filter 0.2s;
    margin-top: auto;
}
.premium-plan-cta:hover {
    filter: brightness(1.1);
}
.premium-plan-cta:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.premium-modal-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 4px;
}

/* ── Coming Soon Tag ─────────────────────────────────────── */
.coming-soon-tag {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary, #4361ee);
    padding: 1px 6px;
    border-radius: 6px;
    margin-left: 4px;
    vertical-align: middle;
}

/* ── Hub Pricing Section ──────────────────────────────────── */
.pricing-section {
    margin: 32px 0;
    text-align: center;
}
.pricing-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.pricing-section .pricing-header p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0;
}
.pricing-cards {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    max-width: 780px;
    margin: 0 auto;
}
@media (max-width: 640px) {
    .pricing-cards { grid-template-columns: 1fr; }
}
/* Glassmorphism for pricing when wallpaper active */
body.has-bg .pricing-header {
    background: rgba(255,255,255,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-radius: var(--radius, 14px); padding: 20px 24px; margin-bottom: 20px;
}
body.has-bg .premium-plan-card { background: rgba(255,255,255,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
body.dark-mode.has-bg .pricing-header { background: rgba(22,33,62,0.92); }
body.dark-mode.has-bg .premium-plan-card { background: rgba(22,33,62,0.92); }

/* ── Leaderboard Premium Badge ────────────────────────────── */
.lb-badge {
    display: inline-block;
    margin-left: 5px;
    padding: 1px 6px;
    font-size: 0.6rem;
    font-weight: 700;
    border-radius: 8px;
    vertical-align: middle;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.lb-badge.owner {
    background: linear-gradient(135deg, #ff6b6b, #c44569);
    color: #fff;
}
.lb-badge.flying-wallabee {
    background: linear-gradient(135deg, #00b894, #00cec9);
    color: #fff;
}
.lb-badge.developer {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #fff;
}
.lb-badge.student,
.lb-badge.founder {
    background: linear-gradient(135deg, #4361ee, #6f86ff);
    color: #fff;
}
.lb-badge.pro,
.lb-badge.standard {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}
.lb-badge.gift {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

/* ── Role Icon (image inside badge) ──────────────────────── */
.role-icon {
    height: 14px;
    width: 14px;
    vertical-align: middle;
    margin-right: 3px;
    border-radius: 50%;
    object-fit: cover;
}
.lb-badge .role-icon {
    height: 12px;
    width: 12px;
    margin-right: 2px;
}

/* ── Daily Limit Counter ─────────────────────────────────── */
.daily-limit-counter {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9000;
    background: var(--card, #fff);
    color: var(--text, #2b2d42);
    border: 2px solid rgba(67, 97, 238, 0.25);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transition: background 0.3s, border-color 0.3s, color 0.3s;
    pointer-events: none;
    user-select: none;
}
body.dark-mode .daily-limit-counter {
    background: var(--card, #16213e);
    border-color: rgba(67, 97, 238, 0.35);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.daily-limit-counter.daily-limit-low {
    border-color: #ffc107;
    color: #8b6914;
    background: linear-gradient(135deg, rgba(255,193,7,0.08), rgba(255,193,7,0.02));
}
body.dark-mode .daily-limit-counter.daily-limit-low {
    color: #ffc107;
}
.daily-limit-counter.daily-limit-exhausted {
    border-color: var(--error, #ef476f);
    color: var(--error, #ef476f);
    background: linear-gradient(135deg, rgba(239,71,111,0.08), rgba(239,71,111,0.02));
}
@media (max-width: 480px) {
    .daily-limit-counter {
        bottom: 12px;
        right: 12px;
        font-size: 0.75rem;
        padding: 5px 12px;
    }
}