/* =====================================================
   PDF Page Viewer — Modal Styles  v1.1.0
   Colors driven by CSS variables injected by PHP.
   ===================================================== */

:root {
    --ppv-accent: #c8a96e;
    --ppv-btn-bg: #0d1b2a;
    --ppv-btn-bg-hover: color-mix(in srgb, var(--ppv-btn-bg) 80%, white);
}

/* ── Trigger button ── */
.ppv-trigger-wrap { display: inline-block; margin: 4px 0; }

.ppv-trigger-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--ppv-btn-bg);
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 0.02em;
    transition: opacity 0.18s, transform 0.12s;
    line-height: 1;
}

.ppv-trigger-btn:hover  { opacity: 0.85; }
.ppv-trigger-btn:active { transform: scale(0.98); }

/* Link variant — inherits theme anchor styles, just adds the icon alignment */
a.ppv-trigger-btn {
    background: none;
    color: inherit;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
    font-weight: inherit;
    letter-spacing: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

a.ppv-trigger-btn svg { display: none; }
a.ppv-trigger-btn:hover  { opacity: 1; transform: none; }

/* ── Overlay ── */
.ppv-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2147483647; /* max possible z-index */
    isolation: isolate;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.ppv-modal.ppv-open { display: flex; }

.ppv-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 15, 24, 0.72);
    backdrop-filter: blur(3px);
    animation: ppv-fade-in 0.2s ease;
}

@keyframes ppv-fade-in { from { opacity: 0; } to { opacity: 1; } }

/* ── Dialog ── */
.ppv-dialog {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1100px;
    height: calc(100vh - 48px);
    max-height: 960px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.4);
    overflow: hidden;
    animation: ppv-slide-up 0.22s ease;
}

@keyframes ppv-slide-up {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ── */
.ppv-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    height: 52px;
    background: var(--ppv-btn-bg);
    flex-shrink: 0;
    gap: 12px;
}

.ppv-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.ppv-icon { color: var(--ppv-accent); flex-shrink: 0; display: flex; align-items: center; }

.ppv-filename {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.55);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: inherit;
}

.ppv-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.ppv-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--ppv-accent) 55%, transparent);
    color: var(--ppv-accent);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    font-family: inherit;
    letter-spacing: 0.03em;
    transition: background 0.15s, border-color 0.15s;
    cursor: pointer;
}

.ppv-download-btn:hover {
    background: color-mix(in srgb, var(--ppv-accent) 14%, transparent);
    border-color: var(--ppv-accent);
    color: var(--ppv-accent);
    text-decoration: none;
}

.ppv-close-btn {
    background: rgba(255,255,255,0.08);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    flex-shrink: 0;
    line-height: 0;
}

.ppv-close-btn svg {
    stroke: #fff;
    display: block;
    flex-shrink: 0;
}

.ppv-close-btn:hover { background: rgba(255,255,255,0.18); }

/* ── Canvas area ── */
.ppv-canvas-wrap {
    flex: 1;
    min-height: 300px;
    overflow: hidden;
    background: #e9e9e9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.ppv-canvas {
    display: block;
    box-shadow: 0 4px 24px rgba(0,0,0,0.2);
    transition: opacity 0.2s;
}

.ppv-canvas.ppv-loading { opacity: 0; }
.ppv-canvas-wrap.ppv-grabbable { cursor: grab; }
.ppv-canvas-wrap.ppv-grabbing  { cursor: grabbing; }

/* Spinner */
.ppv-spinner {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.ppv-spinner.ppv-visible { display: flex; }

.ppv-spin-ring {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(0,0,0,0.12);
    border-top-color: var(--ppv-accent);
    border-radius: 50%;
    animation: ppv-spin 0.7s linear infinite;
}

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

/* Error state */
.ppv-error {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #6b7280;
    text-align: center;
    padding: 24px;
    z-index: 2;
}

.ppv-error svg { color: #d1a080; }

.ppv-error p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.ppv-error small {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: #9ca3af;
    word-break: break-all;
}

.ppv-error-download {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 6px;
    padding: 9px 20px;
    background: var(--ppv-btn-bg);
    color: #fff !important;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none !important;
    font-family: inherit;
    letter-spacing: 0.02em;
    transition: opacity 0.18s;
}

.ppv-error-download:hover {
    opacity: 0.85;
    color: #fff !important;
    text-decoration: none !important;
}

/* ── Footer nav ── */
.ppv-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    height: 56px;
    background: #fff;
    border-top: 1px solid #e5e1da;
    flex-shrink: 0;
    gap: 12px;
}

.ppv-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--ppv-btn-bg);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 0.02em;
    transition: opacity 0.15s;
    line-height: 1;
}

.ppv-nav-btn:hover:not(:disabled) { opacity: 0.82; }
.ppv-nav-btn:disabled { opacity: 0.28; cursor: default; }

.ppv-page-info {
    font-size: 0.82rem;
    color: #6b7280;
    font-family: inherit;
    text-align: center;
    white-space: nowrap;
}

.ppv-page-info strong { color: #111827; }

/* Zoom controls */
.ppv-zoom-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.ppv-zoom-btn {
    background: #f9fafb;
    border: 1px solid #d1d5db;
    color: #111827 !important;
    width: 30px;
    height: 30px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border-color 0.15s;
    flex-shrink: 0;
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1;
    font-family: inherit;
}

.ppv-zoom-btn:hover:not(:disabled) {
    background: #e5e7eb;
    border-color: #9ca3af;
}

.ppv-zoom-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.ppv-zoom-level {
    font-size: 0.75rem;
    color: #6b7280;
    min-width: 38px;
    text-align: center;
    font-family: inherit;
    font-variant-numeric: tabular-nums;
}

/* ── Responsive ── */
@media (max-width: 600px) {
    .ppv-download-btn { padding: 6px 10px; }
    .ppv-nav-btn { padding: 8px 12px; font-size: 0.78rem; }
    .ppv-footer  { padding: 0 10px; }
}