/**
 * Ocea Serums Interactive Flipbook Catalogue
 * Gold/black/cream luxury theme
 */

:root {
    --catalogue-primary: #c9a86a;
    --catalogue-primary-light: #d4b87a;
    --catalogue-secondary: #1a1a1a;
    --catalogue-dark: #1a1a1a;
    --catalogue-light: #f5f0e8;
    --catalogue-text: #333;
    --catalogue-text-light: #666;
    --catalogue-border: #ebe4d6;
    --catalogue-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    --catalogue-page-bg: #fff;
    --catalogue-cover-gradient: linear-gradient(160deg, #1a1a1a 0%, #2a2319 50%, #1a1a1a 100%);
    --page-width: 550px;
    --page-height: 778px;
}

/* ---- Wrapper ---- */
.catalogue-wrapper {
    background: linear-gradient(180deg, var(--catalogue-light) 0%, #fff 40%, var(--catalogue-light) 100%);
    padding: 2rem 1rem 3rem;
    min-height: 100vh;
}

.catalogue-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ---- Header ---- */
.catalogue-header {
    text-align: center;
    margin-bottom: 2rem;
}

.catalogue-header h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--catalogue-dark);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.catalogue-header p {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    color: var(--catalogue-text-light);
    font-weight: 300;
    letter-spacing: 1px;
}

/* ---- Flipbook Container ---- */
.flipbook-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
    position: relative;
    margin: 0 auto 1.5rem;
}

/* ---- Loading Spinner ---- */
.flipbook-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    z-index: 5;
}

.flipbook-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--catalogue-border);
    border-top-color: var(--catalogue-primary);
    border-radius: 50%;
    animation: catalogue-spin 0.8s linear infinite;
}

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

.flipbook-loading span {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    color: var(--catalogue-text-light);
    letter-spacing: 0.5px;
}

.flipbook-container.flipbook-initialized .flipbook-loading {
    display: none !important;
}

/* ---- Base Page Style ---- */
.catalogue-page {
    background: var(--catalogue-page-bg);
    padding: 0;
    overflow: hidden;
    position: relative;
    box-shadow: var(--catalogue-shadow);
}

.page-inner {
    padding: 30px 35px;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ---- Front & Back Covers ---- */
.page-cover {
    background: var(--catalogue-cover-gradient);
    color: #fff;
    position: relative;
}

.page-cover::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at center, rgba(201,168,106,0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cover-inner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    height: 100%;
    padding: 40px 30px;
    position: relative;
    z-index: 1;
}

.cover-logo-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.8rem;
    font-weight: 300;
    letter-spacing: 6px;
    color: var(--catalogue-primary);
    display: block;
}

.cover-logo-text em {
    font-style: italic;
    font-weight: 400;
}

.cover-divider {
    width: 60px;
    height: 1px;
    background: var(--catalogue-primary);
    margin: 1.2rem 0;
}

.page-cover h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    font-weight: 500;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 0.5rem;
}

.page-cover h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 1.2rem;
}

.cover-tagline {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--catalogue-primary);
    margin-bottom: 1.5rem;
}

.cover-year {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--catalogue-primary);
    border: 2px solid var(--catalogue-primary);
    padding: 0.3rem 1.5rem;
    letter-spacing: 4px;
}

/* Back Cover specifics */
.page-cover-back .contact-info {
    text-align: left;
    margin-bottom: 1.5rem;
}

.page-cover-back .contact-info p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.page-cover-back .contact-info i {
    color: var(--catalogue-primary);
    width: 18px;
    text-align: center;
    margin-right: 6px;
}

.cover-website {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    color: var(--catalogue-primary);
    margin-top: 0.5rem;
    letter-spacing: 1px;
}

.cover-website strong {
    font-weight: 600;
}

.cover-tagline-footer {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    font-style: italic;
    color: rgba(255,255,255,0.5);
    margin-top: 1rem;
    letter-spacing: 1px;
}

/* ---- Introduction Page ---- */
.page-intro .page-inner {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.page-intro h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--catalogue-dark);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.intro-tagline {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--catalogue-primary);
    letter-spacing: 2px;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.intro-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    color: var(--catalogue-text-light);
    line-height: 1.7;
    max-width: 400px;
    margin-bottom: 1.5rem;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    text-align: left;
}

.features-list li {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    color: var(--catalogue-text);
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.features-list li i {
    color: var(--catalogue-primary);
    font-size: 0.85rem;
    width: 20px;
    text-align: center;
}

.intro-note {
    background: var(--catalogue-light);
    padding: 0.8rem 1.2rem;
    border-radius: 6px;
    border-left: 3px solid var(--catalogue-primary);
}

.intro-note p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    color: var(--catalogue-text);
    margin: 0.2rem 0;
}

.intro-note strong {
    color: var(--catalogue-primary);
    font-weight: 600;
}

/* ---- Product Pages ---- */
.page-products-header {
    text-align: center;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--catalogue-primary);
}

.page-products-header h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--catalogue-dark);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
}

.page-products-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.65rem;
    color: var(--catalogue-text-light);
    letter-spacing: 1px;
    font-weight: 300;
}

.catalogue-products-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ---- Product Card ---- */
.catalogue-product-card {
    border: 1px solid var(--catalogue-border);
    border-radius: 6px;
    padding: 10px 14px;
    background: #fff;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.product-card-header h4 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--catalogue-dark);
    margin: 0;
    line-height: 1.2;
}

.product-card-desc {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.65rem;
    color: var(--catalogue-text-light);
    line-height: 1.4;
    margin-bottom: 6px;
}

/* ---- Variant Table ---- */
.catalogue-product-card .variant-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.7rem;
    margin-top: auto;
}

.catalogue-product-card .variant-table th {
    background: var(--catalogue-light);
    padding: 3px 6px;
    text-align: left;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    color: var(--catalogue-text);
}

.catalogue-product-card .variant-table th.price {
    text-align: right;
}

.catalogue-product-card .variant-table td {
    padding: 2px 6px;
    border-bottom: 1px solid #f0f0f0;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.65rem;
}

.catalogue-product-card .variant-table td.size {
    color: var(--catalogue-text);
}

.catalogue-product-card .variant-table td.price {
    text-align: right;
    font-weight: 600;
    color: var(--catalogue-primary);
}

.catalogue-product-card .variant-table tr:last-child td {
    border-bottom: none;
}

/* ---- Product Card Button ---- */
.product-card-btn {
    display: inline-block;
    margin-top: 6px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--catalogue-primary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
    align-self: flex-end;
}

.product-card-btn:hover {
    color: var(--catalogue-primary-light);
}

.product-card-btn i {
    font-size: 0.55rem;
    margin-left: 3px;
    transition: transform 0.2s;
}

.product-card-btn:hover i {
    transform: translateX(2px);
}

/* ---- Page Numbers ---- */
.page-number {
    position: absolute;
    bottom: 15px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.65rem;
    color: var(--catalogue-text-light);
    letter-spacing: 1px;
}

.page-number.left {
    left: 25px;
}

.page-number.right {
    right: 25px;
}

/* ---- Navigation ---- */
.catalogue-navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.catalogue-navigation button {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--catalogue-dark);
    background: #fff;
    border: 2px solid var(--catalogue-border);
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.catalogue-navigation button:hover:not(:disabled) {
    border-color: var(--catalogue-primary);
    color: var(--catalogue-primary);
    background: var(--catalogue-light);
}

.catalogue-navigation button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.catalogue-navigation button i {
    font-size: 0.75rem;
}

#page-indicator {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    color: var(--catalogue-text-light);
    font-weight: 400;
    min-width: 80px;
    text-align: center;
}

/* ---- CTA Buttons ---- */
.catalogue-wrapper .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.2s;
    letter-spacing: 0.5px;
}

.catalogue-wrapper .btn-primary {
    background: var(--catalogue-primary);
    color: var(--catalogue-dark);
    border: 2px solid var(--catalogue-primary);
}

.catalogue-wrapper .btn-primary:hover {
    background: var(--catalogue-primary-light);
    border-color: var(--catalogue-primary-light);
}

.catalogue-wrapper .btn-outline {
    background: transparent;
    color: var(--catalogue-dark);
    border: 2px solid var(--catalogue-border);
}

.catalogue-wrapper .btn-outline:hover {
    border-color: var(--catalogue-primary);
    color: var(--catalogue-primary);
}

/* ---- JS Fallback (scrollable mode) ---- */
.js-fallback .catalogue-page {
    display: block !important;
    width: 100% !important;
    max-width: 550px;
    height: auto !important;
    min-height: 500px;
    margin: 1rem auto;
    border-radius: 8px;
    box-shadow: var(--catalogue-shadow);
}

.js-fallback .catalogue-page .page-inner {
    height: auto;
    min-height: 500px;
}

.js-fallback .catalogue-page .cover-inner {
    min-height: 500px;
}

.js-fallback ~ .catalogue-navigation {
    display: none;
}

/* ---- Print Media ---- */
@media print {
    .catalogue-wrapper {
        background: none;
        padding: 0;
    }
    .catalogue-header,
    .catalogue-navigation,
    .catalogue-wrapper .btn {
        display: none !important;
    }
    .flipbook-container {
        min-height: 0;
    }
    .flipbook-loading {
        display: none !important;
    }
    .catalogue-page {
        page-break-after: always;
        box-shadow: none;
    }
}

/* ---- Responsive: Tablet ---- */
@media screen and (max-width: 900px) {
    .catalogue-header h1 {
        font-size: 2rem;
    }

    .flipbook-container {
        min-height: 400px;
    }
}

/* ---- Responsive: Mobile ---- */
@media screen and (max-width: 500px) {
    .catalogue-wrapper {
        padding: 1rem 0.5rem 2rem;
    }

    .catalogue-header h1 {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }

    .catalogue-header p {
        font-size: 0.85rem;
    }

    .flipbook-container {
        min-height: 350px;
    }

    .cover-logo-text {
        font-size: 2rem;
    }

    .page-cover h1 {
        font-size: 1.2rem;
    }

    .page-inner {
        padding: 20px 20px;
    }

    .page-products-header h3 {
        font-size: 0.95rem;
    }

    .catalogue-product-card {
        padding: 8px 10px;
    }

    .product-card-header h4 {
        font-size: 0.85rem;
    }

    .catalogue-navigation {
        gap: 0.5rem;
    }

    .catalogue-navigation button {
        font-size: 0.75rem;
        padding: 0.5rem 0.8rem;
    }

    #page-indicator {
        font-size: 0.75rem;
    }

    .catalogue-wrapper .btn {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
}