/* Shared outer shell for Mishkat book-reading pages. Visual only — PDF.js / Drive / proxy remain untouched. */
:root {
    --reader-primary: #2c3e50;
    --reader-dark: #34495e;
    --reader-accent: #e74c3c;
    --reader-bg: #e8edf1;
    --reader-paper: #f6f3ee;
    --reader-ink: #2c3e50;
    --reader-muted: #5d6d7e;
    --reader-line: rgba(44, 62, 80, 0.1);
    --reader-shadow: 0 10px 28px rgba(44, 62, 80, 0.12);
}

html {
    min-height: 100%;
    background: var(--reader-bg);
}

body {
    display: flex !important;
    flex-direction: column;
    min-height: 100dvh;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    background: var(--reader-bg) !important;
    color: var(--reader-ink);
}

.container {
    position: relative;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    width: 100% !important;
    max-width: none !important;
    min-height: 100dvh !important;
    margin: 0 !important;
    padding: 10px 12px 12px !important;
    overflow: hidden;
    background: var(--reader-bg) !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.container::before,
.container::after {
    content: none !important;
    display: none !important;
}

.title {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: calc(100% - 118px);
    margin: 0 0 8px !important;
    padding: 2px 0 0 !important;
    color: var(--reader-primary) !important;
    border-bottom: 0 !important;
    font-size: 1.02rem !important;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.35;
}

.title::after {
    content: none !important;
    display: none !important;
}

.title-icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--reader-primary);
    background: rgba(44, 62, 80, 0.08);
    border: 1px solid var(--reader-line);
    border-radius: 8px;
}

.title-icon svg,
.title-icon img {
    display: none !important;
}

.title-icon::before {
    content: "";
    width: 13px;
    height: 16px;
    border: 1.6px solid currentColor;
    border-radius: 1px 5px 5px 1px;
    box-shadow: inset -5px 0 0 -3.4px currentColor;
}

.watermark {
    position: absolute !important;
    top: 12px;
    left: 12px;
    transform: none !important;
    z-index: 6;
    padding: 5px 10px;
    color: var(--reader-primary) !important;
    background: #fff;
    border: 1px solid var(--reader-line);
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(44, 62, 80, 0.06);
    font-size: 0.72rem !important;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.01em;
    white-space: nowrap;
    pointer-events: none;
}

.pdf-container {
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    width: 100%;
    height: calc(100dvh - 96px) !important;
    max-height: none !important;
    min-height: 0;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(44, 62, 80, 0.03), transparent 18%),
        var(--reader-paper);
    border: 1px solid var(--reader-line);
    border-radius: 14px;
    box-shadow: var(--reader-shadow);
}

.pdf-container .pdf-viewer {
    position: relative;
    width: 100%;
    height: 100%;
    border: 0;
    background: var(--reader-paper) !important;
}

.pdf-container .pdf-viewer > p {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0 !important;
    padding: 20px 16px !important;
    background:
        radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.9), transparent 46%),
        var(--reader-paper);
    color: var(--reader-primary) !important;
    font-family: 'Tajawal', sans-serif !important;
    font-size: 0.95rem !important;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-align: center !important;
}

.pdf-container .pdf-viewer > p::before {
    content: "";
    width: 34px;
    height: 34px;
    border: 3px solid rgba(44, 62, 80, 0.14);
    border-top-color: var(--reader-accent);
    border-radius: 50%;
    animation: mishkat-reader-spin 0.8s linear infinite;
}

.pdf-container .pdf-viewer > p::after {
    content: "مشكاة";
    color: var(--reader-muted);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.08em;
}

.action-buttons {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 10px !important;
}

.action-buttons .btn {
    width: auto !important;
    min-height: 36px;
    padding: 6px 14px !important;
    background: var(--reader-primary);
    border: 1px solid var(--reader-primary);
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.16);
    color: #fff;
    font-size: 0.82rem !important;
    font-weight: 700;
}

.action-buttons .btn:hover {
    background: var(--reader-dark);
    border-color: var(--reader-dark);
}

.action-buttons .btn:focus-visible {
    outline: 3px solid rgba(44, 62, 80, 0.28);
    outline-offset: 3px;
}

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

@media (min-width: 768px) {
    body,
    .container {
        background:
            radial-gradient(circle at 12% 0%, rgba(44, 62, 80, 0.06), transparent 32%),
            var(--reader-bg) !important;
    }

    .container {
        width: min(960px, 100%) !important;
        max-width: 960px !important;
        min-height: calc(100dvh - 24px) !important;
        margin: 12px auto !important;
        padding: 14px 16px 16px !important;
        border: 1px solid var(--reader-line) !important;
        border-radius: 18px !important;
        box-shadow: var(--reader-shadow) !important;
    }

    .title {
        font-size: 1.12rem !important;
    }

    .watermark {
        top: 16px;
        left: 16px;
    }

    .pdf-container {
        height: calc(100dvh - 132px) !important;
        border-radius: 16px;
    }
}

@media (max-width: 600px) {
    .action-buttons {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .action-buttons .btn {
        width: auto !important;
        max-width: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pdf-container .pdf-viewer > p::before {
        animation: none;
        border-top-color: var(--reader-primary);
    }
}