/* src/flipbook-templates/flipbook-style.css */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body { 
    height: 100%; 
    overflow: hidden; 
    background: #f5f8fd;
    color: #013200;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    touch-action: none; /* Voorkomt scrollen/slepen op mobiel */
}

.header {
    background: #ffffff;
    border-bottom: 3px solid #03d500;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 10px rgba(3, 213, 0, 0.1);
    z-index: 1000;
    position: relative;
    height: 83px; /* Vaste hoogte */
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.logo {
    height: 60px;
    width: auto;
}

.book-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #013200;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.controls-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary {
    background: #03d500;
    color: white;
}

.btn-primary:hover {
    background: #029e00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(3, 213, 0, 0.3);
}

.flipbook-container { 
    height: calc(100vh - 83px); /* Gebaseerd op vaste header hoogte */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #f5f8fd;
}

.floating-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid #03d500;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 20px rgba(3, 213, 0, 0.15);
    z-index: 100;
    backdrop-filter: blur(10px);
}

#flipbook { 
    background: transparent;
    transition: transform 0.3s ease, width 0.5s ease;
    transform-origin: center center;
    max-width: 100vw;
}

/* Verwijder geforceerde 50% breedte; laat script/layout bepalen zodat mobiel niet onnodig krimpt */
#flipbook.cover-mode {
    width: auto !important;
    margin: 0 auto;
}

#flipbook img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: white;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.nav-btn {
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 4px;
}

.nav-btn:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.zoom-btn {
    padding: 0.5rem 0.75rem;
    background: #f5f8fd;
    border: 1px solid #03d500;
    color: #03d500;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    font-size: 0.85rem;
}

.zoom-btn:hover {
    background: #03d500;
    color: white;
}

.page-info { 
    color: #013200;
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 80px;
    text-align: center;
}

/* -- START -- Verbeterde pagina-placeholder styling */
.page .page-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #e9e9e9;
    position: relative;
}

.page .page-placeholder::after {
    content: '';
    width: 30px;
    height: 30px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: #03d500;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
/* -- EINDE -- Verbeterde pagina-placeholder styling */

.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #03d500;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
    opacity: 1;
    visibility: visible;
}

.loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f5f8fd;
    border-top: 4px solid #03d500;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .header { padding: 0.5rem 0.6rem; height: 60px; }
    .logo { height: 40px; }
    .book-title { font-size: 0.8rem; }
    .controls-header { flex-wrap: wrap; justify-content: center; gap: 0.4rem; }
    .controls-header .btn { padding: 0.35rem 0.5rem; font-size: 0.7rem; }
    .flipbook-container { height: calc(100vh - 60px); }
    .nav-btn, .zoom-btn { padding: 0.35rem; font-size: 0.8rem; min-width: 32px; height: 32px; }
    .page-info { font-size: 0.8rem; min-width: 60px; padding: 0 0.2rem; }
    /* Minder knoppen op mobiel zodat het past */
    #firstBtn, #lastBtn, .page-info { display: none; }
}

/* Extra compact layout voor zeer kleine schermen */
@media (max-width: 480px) {
    .logo-section { display: none; }
    .header { padding: 6px 6px; height: 52px; }
    .controls-header { gap: 6px; }
    /* Houd alleen vorige/volgende + Fit zichtbaar; verberg first/last en zoom knoppen en page-info */
    #firstBtn, #lastBtn, .zoom-btn, .page-info { display: none; }
    .nav-btn { width: 32px; height: 32px; font-size: 14px; }
}