/* ---------- MODALS ---------- */
.tl-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.tl-modal.active {
    display: flex;
}
.tl-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(var(--reader-accent-rgb), 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.tl-modal-content {
    position: relative;
    z-index: 1;
    max-height: calc(100dvh - 40px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scrollbar-gutter: auto; /* Fixes edge gap issue */
    border: 1px solid rgba(var(--reader-accent-rgb), 0.3);
    border-radius: 20px;
    padding: 36px 28px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 60px var(--reader-shadow), 0 0 80px rgba(var(--reader-accent-rgb), 0.08);
    animation: tl-modal-in .35s ease-out;
    background: 
        linear-gradient(
            180deg,
            rgba(var(--reader-paper-rgb), 0.8) 0%,
            rgba(var(--reader-paper-soft-rgb), 0.9) 60%,
            var(--reader-paper) 100%
        ),
        var(--tl-thumb) center/cover no-repeat;
    color: var(--reader-text);
}
/* Tu Tien Glowing effect on borders */
.tl-modal-content::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    box-shadow: inset 0 0 20px rgba(var(--reader-accent-rgb), 0.15);
    pointer-events: none;
}
/* Pseudo-elements hidden because composite background covers the whole border box perfectly */
.tl-modal-content::before,
.tl-modal-content::after {
    display: none;
}
.tl-modal-wide { max-width: 760px; }

@keyframes tl-modal-in {
    from { opacity: 0; transform: scale(0.92) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.tl-modal-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(var(--reader-accent-rgb), 0.2), rgba(99, 102, 241, 0.2));
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    color: var(--reader-accent);
    border: 1px solid rgba(var(--reader-accent-rgb), 0.3);
}

.tl-modal-content h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--reader-accent);
    margin-bottom: 10px;
}
.tl-modal-content p {
    font-size: 13px;
    color: var(--reader-soft);
    line-height: 1.6;
    margin-bottom: 24px;
}


/* ---------- FORM ELEMENTS ---------- */
.tl-input-group {
    position: relative;
    margin-bottom: 12px;
}
.tl-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid rgba(var(--reader-accent-rgb), 0.3);
    background: rgba(var(--reader-accent-rgb), 0.15);
    color: var(--reader-text);
    font-size: 14px;
    outline: none;
    transition: all .2s;
    box-sizing: border-box;
}
.tl-input:focus {
    border-color: rgba(var(--reader-accent-rgb), 0.3);
    box-shadow: 0 0 0 3px rgba(var(--reader-accent-rgb), 0.1);
}
.tl-input::placeholder { color: var(--reader-soft); }

.tl-input-toggle {
    position: absolute;
    right: 12px;
    top: 50%; transform: translateY(-50%);
    background: none; border: none;
    color: var(--reader-soft); cursor: pointer;
}

.tl-input-sm {
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 10px;
}

select.tl-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23a78bfa'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.tl-link-small {
    display: inline-block;
    font-size: 12px;
    color: var(--reader-soft);
    text-decoration: none;
    margin-bottom: 20px;
    transition: color .2s;
}
.tl-link-small:hover { color: var(--reader-accent); }

.tl-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 20px;
    text-align: left;
}
.tl-form-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--reader-accent);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Personality card buttons */
.tl-personality-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 2px solid rgba(var(--reader-accent-rgb), 0.3);
    background: rgba(var(--reader-accent-rgb), 0.15);
    color: rgba(var(--reader-text-rgb), 0.45);
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    text-align: left;
}
.tl-personality-btn svg {
    flex-shrink: 0;
}
.tl-personality-btn small {
    opacity: .7;
    font-weight: 400;
}
.tl-personality-btn:hover {
    border-color: rgba(var(--reader-accent-rgb), 0.3);
    background: rgba(var(--reader-accent-rgb), 0.15);
    color: rgba(var(--reader-text-rgb), 0.65);
}


/* ---------- BUTTONS ---------- */
.tl-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--reader-accent-strong), var(--reader-accent));
    color: #09090b;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all .25s;
    box-shadow: 0 4px 15px rgba(var(--reader-accent-rgb), 0.3);
}
.tl-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--reader-accent-rgb), 0.4);
}
.tl-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}
.tl-btn-sm {
    padding: 8px 16px;
    font-size: 12px;
    border-radius: 10px;
    width: auto;
}
.tl-btn-secondary {
    background: rgba(var(--reader-accent-rgb), 0.15);
    border: 1px solid rgba(var(--reader-accent-rgb), 0.3);
    color: var(--reader-accent);
    cursor: pointer;
    padding: 8px 16px;
    font-size: 12px;
    border-radius: 10px;
    font-weight: 600;
    transition: all .2s;
}
.tl-btn-secondary:hover {
    background: rgba(var(--reader-accent-rgb), 0.15);
}
.tl-btn-danger {
    background: rgba(var(--reader-accent-rgb), 0.15);
    border: 1px solid rgba(var(--reader-accent-rgb), 0.3);
    color: #ef4444;
    cursor: pointer;
    padding: 8px 16px;
    font-size: 12px;
    border-radius: 10px;
    font-weight: 600;
    transition: all .2s;
}
.tl-btn-danger:hover {
    background: rgba(var(--reader-accent-rgb), 0.15);
}
.tl-settings-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}


/* ---------- SETTINGS SECTIONS ---------- */
.tl-setting-section {
    margin-bottom: 16px;
}
.tl-setting-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--reader-soft);
    margin-bottom: 8px;
}
.tl-swatch {
    border: 2px solid transparent;
    transition: all .2s cubic-bezier(0.4, 0, 0.2, 1);
}
.tl-swatch:hover {
    transform: scale(1.1);
    box-shadow: 0 0 12px rgba(var(--reader-accent-rgb), 0.3);
}
.tl-swatch.active {
    border-color: var(--reader-accent) !important;
    transform: scale(1.15);
    box-shadow: 0 0 14px rgba(var(--reader-accent-rgb), 0.6);
}

.tl-font-btn {
    border: 1px solid transparent;
    transition: all .2s cubic-bezier(0.4, 0, 0.2, 1);
}
.tl-font-btn:hover {
    border-color: rgba(var(--reader-accent-rgb), 0.3) !important;
    color: var(--reader-accent) !important;
    background: rgba(var(--reader-accent-rgb), 0.1) !important;
}
.tl-font-btn.active {
    border-color: var(--reader-accent-strong) !important;
    background: rgba(var(--reader-accent-rgb), 0.2) !important;
    color: var(--reader-accent) !important;
    box-shadow: inset 0 0 8px rgba(var(--reader-accent-rgb), 0.15);
}

.tl-tab-btn {
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: var(--reader-muted);
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all .2s ease;
}
.tl-tab-btn:hover {
    color: var(--reader-text);
    background: rgba(var(--reader-text-rgb), 0.05);
}
.tl-tab-btn.active {
    background: rgba(var(--reader-accent-rgb), 0.15);
    color: var(--reader-accent);
    box-shadow: 0 0 12px rgba(var(--reader-accent-rgb), 0.2);
}
.tl-tab-btn svg {
    width: 14px;
    height: 14px;
    opacity: 0.8;
}
.tl-tab-btn.active svg {
    opacity: 1;
    filter: drop-shadow(0 0 4px var(--reader-accent));
}

/* ─ EXTREME COMPACTION FOR SETTINGS MODAL (GLOBAL) ─ */
#tl-modal-settings .tl-tab-btn {
    font-size: 10px !important;
    min-height: 32px !important;
}
#tl-modal-settings .tl-setting-label {
    font-size: 11px !important;
    margin-bottom: 4px !important;
}
#tl-modal-settings .tl-swatch {
    width: 28px !important;
    height: 28px !important;
}
#tl-modal-settings .tl-font-btn {
    padding: 4px 8px !important;
    font-size: 11px !important;
}
#tl-modal-settings .tl-btn-sm {
    padding: 4px 10px !important;
    font-size: 11px !important;
    min-height: 32px !important;
}
#tl-modal-settings .tl-btn-secondary {
    min-height: 36px !important;
    font-size: 12px !important;
}
#tl-modal-settings .tl-btn-danger {
    min-height: 36px !important;
}
#tl-modal-settings .tl-tabs-header {
    margin-bottom: 8px !important;
}
#tl-modal-settings > div > div:first-child { /* The modal header wrap */
    margin-bottom: 8px !important;
}
#tl-modal-settings h2 {
    font-size: 15px !important;
}
#tl-modal-settings .tl-setting-section {
    margin-bottom: 8px !important;
}
#tl-modal-settings .tl-quota-display,
#tl-modal-settings [style*="border-radius:10px"],
#tl-modal-settings [style*="border-radius: 10px"] {
    padding: 8px !important;
    font-size: 11px !important;
}
#tl-modal-settings .tl-export-btn {
    padding: 6px 10px !important;
    font-size: 11px !important;
    min-height: 32px !important;
}
#tl-modal-settings .tl-input-sm {
    min-height: 32px !important;
    padding: 4px 8px !important;
    font-size: 14px !important;
}
.tl-provider-grid {
    grid-template-columns: 1fr;
    gap: 6px;
}
#tl-modal-settings .tl-provider-card {
    padding: 8px !important;
    gap: 6px !important;
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    border-radius: 8px !important;
}
#tl-modal-settings .tl-provider-radio {
    display: none !important;
}
#tl-modal-settings .tl-provider-name {
    font-size: 12px !important;
}
#tl-modal-settings .tl-provider-badge {
    font-size: 8px !important;
    padding: 2px 4px !important;
}
#tl-modal-settings .tl-provider-desc {
    display: block !important; 
    font-size: 11px !important;
    line-height: 1.4 !important;
    margin-top: 4px !important;
    color: rgba(var(--reader-text-rgb), 0.75) !important;
}
#tl-modal-settings .tl-provider-price {
    font-size: 10px !important;
    margin-top: 2px !important;
    color: var(--reader-accent) !important;
}

/* ==========================================================
   RESPONSIVE — MOBILE FIRST (tối ưu iPhone/Android)
   ========================================================== */

/* ── Tablet + small laptop (≤ 1024px) ── */
@media (max-width: 1024px) {
    /* Hiện nút toggle sidebar */
    .tl-mobile-only {
        display: flex;
    }

    /* Sidebar: slide-in overlay, chiều cao tính đúng với safe area iPhone */
    .tl-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        /* Cách đỉnh một đoạn vừa phải cộng với safe-area iOS */
        padding-top: calc(16px + env(safe-area-inset-top, 0px));
        height: 100%;
        height: 100dvh;
        z-index: 150;
        background: var(--reader-paper);
        background: rgba(var(--reader-paper-rgb), 0.9);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        /* Padding bottom = safe area (home indicator iPhone) */
        padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        width: 300px;
        min-width: 300px;
        /* Luôn scroll được hết nội dung */
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        will-change: transform;
    }
    .tl-sidebar.open {
        transform: translateX(0);
        box-shadow: 20px 0 60px var(--reader-shadow);
    }

    /* Overlay dim khi sidebar mở */
    .tl-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 149;
        background: rgba(var(--reader-accent-rgb), 0.15);
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
    }
    .tl-sidebar-overlay.active {
        display: block;
    }
}

/* ── Mobile (≤ 640px) — iPhone SE, iPhone 14, Android ── */
@media (max-width: 640px) {
    /* ─ Header ─ */
    .tl-header {
        padding: 6px 10px;
        /* Đẩy xuống dưới notch/dynamic island */
        padding-top: calc(6px + env(safe-area-inset-top, 0px));
    }
    .tl-header-title {
        font-size: 12px;
        gap: 4px;
        letter-spacing: 0;
    }
    /* Cập nhật padding-top sidebar trên mobile nhỏ */
    .tl-sidebar {
        padding-top: calc(16px + env(safe-area-inset-top, 0px));
    }

    /* ─ Icon buttons — tối thiểu 44px để dễ bấm ─ */
    .tl-icon-btn {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

    /* ─ Modal — không bị cắt bởi keyboard hay home indicator ─ */
    .tl-modal {
        align-items: center;
        padding: 4px; /* Dày đặc hơn */
    }
    .tl-modal-content {
        padding: 12px 10px;
        border-radius: 12px;
        max-height: 85dvh;
        width: 100%;
        max-width: 100%;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        /* Default fade-in/scale-up animation like desktop */
        animation: tl-modal-in 0.35s ease-out;
    }
    .tl-modal-content h2 {
        font-size: 16px;
    }
    .tl-modal-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 8px;
    }
    /* Character + Settings modal giữ max-width bình thường (không full) */
    .tl-modal-wide {
        max-width: 100%;
    }

    /* ─ Tabs trong settings ─ */
    .tl-tab-btn {
        padding: 6px 4px;
        font-size: 11px;
        flex: 1;
        text-align: center;
        min-height: 36px;
    }

    /* ─ Settings form items ─ */
    .tl-setting-section {
        margin-bottom: 8px;
    }

    /* ─ Story area ─ */
    .tl-story {
        padding: 4px 6px 12px;
        touch-action: pan-y; /* Only vertical scroll — prevent horizontal swipes */
        overscroll-behavior: contain;
    }
    .tl-story-content {
        max-width: 100%;
    }

    /* ─ Chapter ─ */
    .tl-chapter-title {
        font-size: 16px;
        flex-wrap: wrap;
        gap: 4px;
        margin-bottom: 6px;
        padding-bottom: 6px;
    }
    .tl-chapter-body {
        font-size: 16px;  /* 16px is optimal for mobile readability and prevents iOS auto-zoom */
        line-height: 1.5;
    }
    .tl-chapter-body p {
        margin-bottom: 12px;
    }

    /* ─ Chapter navigation ─ */
    .tl-chapter-nav {
        padding: 6px 8px;
        gap: 6px;
        margin-bottom: 10px;
    }
    .tl-nav-text { display: none; }
    .tl-nav-btn {
        padding: 8px 12px;
        min-height: 40px;
        font-size: 13px;
    }
    .tl-nav-info { font-size: 12px; }

    /* ─ Choices panel ─ */
    .tl-choices {
        padding: 4px 6px;
        /* Đẩy lên khỏi home indicator iPhone */
        padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
    }
    .tl-choices-list {
        flex-direction: column;
        gap: 4px;
    }
    .tl-choice-btn {
        flex: 1 1 100%;
        min-width: 0;
        padding: 8px 10px;
        min-height: 40px; /* Condensed */
        font-size: 12px;
    }
    .tl-choice-btn:hover {
        transform: none; /* Tắt hover translate trên mobile */
    }
    
    #tl-choices-close-btn {
        margin-top: 0;
        flex: 0 0 auto !important;
    }

    /* ─ Custom action input ─ */
    .tl-custom-choice {
        margin-top: 6px;
    }
    /* iOS auto-zoom fix: input font-size >= 16px */
    .tl-custom-choice .tl-input-sm {
        font-size: 16px;
        padding: 10px 12px;
    }
    .tl-custom-choice .tl-btn-sm {
        min-height: 44px;
        width: 44px;
        min-width: 44px;
    }

    /* ─ Loading ─ */
    .tl-loading {
        padding: 12px 10px;
    }
    .tl-loading-inner {
        padding: 18px 20px;
        gap: 10px;
        max-width: 100%;
    }
    .tl-loading-spinner-wrap {
        width: 36px;
        height: 36px;
    }
    #tl-loading-text {
        font-size: 13px;
    }
    .tl-loading-step { font-size: 9px; }

    /* ─ Event toast ─ */
    .tl-event-toast {
        /* Tránh notch iOS */
        top: calc(72px + env(safe-area-inset-top, 0px));
        max-width: calc(100vw - 32px);
        font-size: 13px;
        padding: 12px 18px;
    }

    /* ─ Sidebar cards ─ */
    .tl-card {
        padding: 6px 8px;
        margin-bottom: 6px;
    }
    .tl-card-title {
        font-size: 12px;
    }
    .tl-tag {
        font-size: 13px;
    }
    .tl-tag-btn {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }

    /* ─ Settings actions ─ */
    .tl-settings-actions {
        flex-direction: column;
        gap: 8px;
    }
    .tl-settings-actions .tl-btn-secondary,
    .tl-settings-actions .tl-btn-danger {
        width: 100%;
        text-align: center;
        min-height: 44px;
    }

    /* ─ Inputs in modals ─ */
    .tl-input {
        font-size: 16px; /* iOS auto-zoom fix */
    }
    .tl-btn-primary {
        min-height: 48px;
        font-size: 15px;
    }
}