/**
 * Seleções Carnavalescas - Viewer CSS v1.2.5
 *
 * Cores, tamanhos e disposição restaurados conforme briefing original.
 *
 * @package Selecoes_Edicoes
 */

/* ==========================================================================
   Variables (conforme briefing)
   ========================================================================== */

:root {
    --sc-primary: #151aca;
    --sc-primary-light: #3a3fd9;
    --sc-primary-dark: #0f1499;
    --sc-text: #1a1a1a;
    --sc-text-muted: #666;
    --sc-bg: #fff;
    --sc-bg-alt: #f5f5f5;
    --sc-border: #e0e0e0;
    --sc-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --sc-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --sc-radius: 8px;
    --sc-radius-sm: 4px;
    --sc-transition: 0.2s ease;
}

/* ==========================================================================
   Scope Reset
   ========================================================================== */

.sc-pdf-viewer,
.sc-pdf-viewer *,
.sc-pdf-viewer *::before,
.sc-pdf-viewer *::after {
    box-sizing: border-box;
}

/* Screen reader text */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    word-wrap: normal;
}

/* ==========================================================================
   PDF Viewer
   ========================================================================== */

.sc-pdf-viewer {
    position: relative;
    background: var(--sc-bg-alt);
    border-radius: 18px;
    box-shadow: var(--sc-shadow);
    overflow: hidden;
    margin-top: 0;
    scroll-margin-top: 80px;
    border: 1px solid #e5e7eb;
}

/* ==========================================================================
   Toolbar
   ========================================================================== */

.sc-viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(90deg, rgba(21, 26, 202, 0.06), rgba(255, 214, 102, 0.10));
    border-bottom: 1px solid #e5e7eb;
}

.sc-viewer-toolbar-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==========================================================================
   Toolbar Buttons
   ========================================================================== */

.sc-viewer-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    color: var(--sc-text);
    cursor: pointer;
    transition: all var(--sc-transition);
    min-width: 40px;
    min-height: 40px;
}

.sc-viewer-btn:hover:not(:disabled) {
    background: var(--sc-bg-alt);
    border-color: var(--sc-primary);
    color: var(--sc-primary);
}

.sc-viewer-btn:focus-visible {
    outline: 2px solid var(--sc-primary);
    outline-offset: 2px;
}

.sc-viewer-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.sc-viewer-btn svg {
    flex-shrink: 0;
}

/* ==========================================================================
   Download Button
   ========================================================================== */

/* Especificidade alta para vencer estilos de link do GeneratePress */
.sc-pdf-viewer a.sc-viewer-btn.sc-viewer-btn-download,
.sc-viewer-btn-download {
    background: var(--sc-primary) !important;
    border-color: var(--sc-primary) !important;
    color: #fff !important;
    padding: 0.5rem 1rem;
    text-decoration: none;
}

.sc-pdf-viewer a.sc-viewer-btn.sc-viewer-btn-download:hover,
.sc-viewer-btn-download:hover {
    background: var(--sc-primary-dark) !important;
    border-color: var(--sc-primary-dark) !important;
    color: #fff !important;
}

.sc-viewer-btn-text {
    font-size: 0.875rem;
    font-weight: 500;
}

@media (max-width: 600px) {
    .sc-viewer-btn-text {
        display: none;
    }
}

/* ==========================================================================
   Page Info & Zoom Level
   ========================================================================== */

.sc-viewer-page-info {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 13px;
    font-weight: 500;
    color: #4b5563;
    padding: 0 0.5rem;
    min-width: 60px;
    justify-content: center;
}

.sc-viewer-page-sep {
    color: var(--sc-text-muted);
}

.sc-viewer-zoom-level {
    font-size: 0.85rem;
    color: var(--sc-text-muted);
    min-width: 45px;
    text-align: center;
}

/* ==========================================================================
   Viewer Container (Canvas Area)
   ========================================================================== */

.sc-viewer-container {
    position: relative;
    height: var(--viewer-height, 80vh);
    min-height: 400px;
    max-height: 900px;
    overflow: auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 1rem;
    background: #f6f7fb;
}

@media (max-width: 768px) {
    .sc-viewer-container {
        height: 70vh;
        min-height: 350px;
    }
}

/* Canvas */
.sc-viewer-canvas {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
    background: #fff;
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.sc-viewer-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: #fff;
    font-size: 0.95rem;
    z-index: 10;
}

.sc-viewer-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: sc-spin 0.8s linear infinite;
}

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

.sc-viewer-loading.hidden {
    display: none;
}

/* ==========================================================================
   Error State
   ========================================================================== */

.sc-viewer-error-msg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--sc-radius);
    text-align: center;
    color: var(--sc-text);
    z-index: 10;
}

.sc-viewer-error-msg svg {
    color: #d32f2f;
}

.sc-viewer-error-msg p {
    margin: 0;
    font-size: 1rem;
}

.sc-viewer-error {
    padding: 2rem;
    text-align: center;
    color: var(--sc-text-muted);
    background: var(--sc-bg-alt);
    border-radius: var(--sc-radius);
}

/* ==========================================================================
   Mobile Navigation
   ========================================================================== */

.sc-viewer-mobile-nav {
    display: none;
}

@media (max-width: 768px) {
    .sc-viewer-mobile-nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.75rem;
        background: rgba(255, 255, 255, 0.95);
        border-top: 1px solid var(--sc-border);
    }

    .sc-viewer-mobile-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 56px;
        height: 56px;
        background: var(--sc-primary);
        color: #fff;
        border: none;
        border-radius: 50%;
        cursor: pointer;
        box-shadow: var(--sc-shadow);
        transition: all var(--sc-transition);
    }

    .sc-viewer-mobile-btn:hover {
        background: var(--sc-primary-dark);
        transform: scale(1.05);
    }

    .sc-viewer-mobile-btn:disabled {
        opacity: 0.4;
        cursor: not-allowed;
        transform: none;
    }

    /* Hide desktop nav buttons on mobile */
    .sc-viewer-toolbar-nav {
        display: none;
    }
}

/* ==========================================================================
   Fullscreen
   ========================================================================== */

.sc-pdf-viewer.sc-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    border-radius: 0;
    margin: 0;
}

.sc-pdf-viewer.sc-fullscreen .sc-viewer-container {
    height: calc(100vh - 60px);
    max-height: none;
}

.sc-pdf-viewer.sc-fullscreen .sc-icon-expand {
    display: none;
}

.sc-pdf-viewer.sc-fullscreen .sc-icon-compress {
    display: block;
}

/* ==========================================================================
   Focus States (Accessibility)
   ========================================================================== */

.sc-viewer-btn:focus-visible,
.sc-viewer-mobile-btn:focus-visible {
    outline: 2px solid var(--sc-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .sc-viewer-toolbar,
    .sc-viewer-mobile-nav {
        display: none !important;
    }
}