/* SOP Flipbook - Custom Styles */

:root {
    --sop-primary: #6366f1;
    --sop-primary-hover: #4f46e5;
    --sop-bg-dark: #0f0f23;
    --sop-bg-card: #1a1a2e;
    --sop-text: #e2e8f0;
    --sop-text-muted: #94a3b8;
    --sop-border: #334155;
    --sop-success: #22c55e;
    --sop-error: #ef4444;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--sop-bg-dark);
    color: var(--sop-text);
    min-height: 100vh;
}

/* Layout */
.sop-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.sop-header {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--sop-bg-card) 0%, #16162a 100%);
    border-bottom: 1px solid var(--sop-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sop-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, #fff 0%, var(--sop-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sop-header-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sop-book-title {
    color: var(--sop-text-muted);
    font-size: 0.9rem;
}

.sop-main {
    flex: 1;
    display: flex;
    position: relative;
}

/* Flipbook Container */
.sop-flipbook-container {
    flex: 1;
    position: relative;
    background: radial-gradient(ellipse at center, #1e1e3f 0%, var(--sop-bg-dark) 100%);
    overflow: hidden;
}

#flipbook-holder {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* Force flipbook to respect container bounds */
#flipbook-holder {
    overflow: hidden !important;
}

#flipbook-holder .flipbook-main-wrapper {
    max-height: 100% !important;
    overflow: hidden !important;
}

#flipbook-holder .flipbook-bookLayer {
    max-height: calc(100% - 90px) !important; /* Leave space for menus */
    overflow: hidden !important;
}

#flipbook-holder canvas {
    max-height: 100% !important;
}

/* Uploader */
.sop-uploader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 2rem;
}

.sop-uploader-dropzone {
    width: 100%;
    max-width: 500px;
    padding: 4rem 2rem;
    border: 2px dashed var(--sop-border);
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(99, 102, 241, 0.02);
}

.sop-uploader-dropzone:hover,
.sop-uploader-dropzone.dragover {
    border-color: var(--sop-primary);
    background: rgba(99, 102, 241, 0.08);
    transform: scale(1.02);
}

.sop-uploader-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    filter: grayscale(0.3);
}

.sop-uploader-dropzone h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    color: var(--sop-text);
}

.sop-uploader-dropzone p {
    margin: 0;
    color: var(--sop-text-muted);
    font-size: 0.9rem;
}

.sop-uploader-progress {
    text-align: center;
}

.sop-uploader-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--sop-border);
    border-top-color: var(--sop-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Buttons */
.sop-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sop-btn-primary {
    background: var(--sop-primary);
    color: white;
}

.sop-btn-primary:hover {
    background: var(--sop-primary-hover);
    transform: translateY(-1px);
}

.sop-btn-ghost {
    background: transparent;
    color: var(--sop-text);
    border: 1px solid var(--sop-border);
}

.sop-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Sidebar / Info Panel */
.sop-sidebar {
    width: 280px;
    background: var(--sop-bg-card);
    border-left: 1px solid var(--sop-border);
    padding: 1.5rem;
    overflow-y: auto;
}

.sop-sidebar h3 {
    margin: 0 0 1rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sop-text-muted);
}

.sop-info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--sop-border);
    font-size: 0.9rem;
}

.sop-info-item:last-child {
    border-bottom: none;
}

.sop-info-label {
    color: var(--sop-text-muted);
}

.sop-info-value {
    color: var(--sop-text);
    font-weight: 500;
}

/* Page Navigation */
.sop-page-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.sop-page-input {
    width: 60px;
    padding: 0.5rem;
    background: var(--sop-bg-dark);
    border: 1px solid var(--sop-border);
    border-radius: 6px;
    color: var(--sop-text);
    text-align: center;
    font-size: 0.9rem;
}

.sop-page-input:focus {
    outline: none;
    border-color: var(--sop-primary);
}

/* Toast Notifications */
.sop-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--sop-bg-card);
    border-radius: 8px;
    border-left: 4px solid var(--sop-primary);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
}

.sop-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.sop-toast.error {
    border-left-color: var(--sop-error);
}

.sop-toast.success {
    border-left-color: var(--sop-success);
}

/* Loading Overlay */
.sop-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 35, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.sop-loading-overlay.hidden {
    display: none;
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .sop-header {
        padding: 1rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .sop-sidebar {
        display: none;
    }
    
    .sop-uploader-dropzone {
        padding: 2rem 1rem;
    }
    
    .sop-uploader-icon {
        font-size: 3rem;
    }
}

/* Flipbook Override Styles */
.flipbook-container {
    background: transparent !important;
}

.flipbook-bookLayer {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5) !important;
}

/* Fix arrow vertical centering - use transform instead of margin */
.flipbook-right-arrow {
    top: 50% !important;
    transform: translateY(-50%) !important;
    margin-top: 0 !important;
}

/* Left arrow needs scaleX(-1) for direction + translateY for centering */
.flipbook-left-arrow {
    top: 50% !important;
    transform: scaleX(-1) translateY(-50%) !important;
    margin-top: 0 !important;
}

.flipbook-first-arrow {
    transform: scaleX(-1) translateY(-50%) !important;
}

.flipbook-last-arrow {
    transform: translateY(-50%) !important;
}

/* Protection layer - makes it harder to screenshot */
.sop-protection-layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 50;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 2px,
            rgba(99, 102, 241, 0.01) 2px,
            rgba(99, 102, 241, 0.01) 4px
        );
}