/**
 * QR Share Modal Styles
 * Beautiful, animated modal for sharing pages via QR code
 */

/* ============================================
   CSS Variables
   ============================================ */
.qr-share-modal {
    --qr-primary: #333F48;
    --qr-accent: #BF5700;
    --qr-accent-light: #FF7A1A;
    --qr-bg: #FFFFFF;
    --qr-bg-soft: #F8FAFC;
    --qr-border: #E2E8F0;
    --qr-text: #1E293B;
    --qr-text-muted: #64748B;
    --qr-success: #10B981;
    --qr-shadow: rgba(15, 23, 42, 0.08);
    --qr-shadow-lg: rgba(15, 23, 42, 0.15);
    --qr-radius: 1.25rem;
    --qr-radius-sm: 0.75rem;
    --qr-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Modal Base & Backdrop
   ============================================ */
.qr-share-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--qr-transition), visibility var(--qr-transition);
}

.qr-share-modal.active {
    opacity: 1;
    visibility: visible;
}

.qr-share-backdrop {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(51, 63, 72, 0.85) 0%,
        rgba(15, 23, 42, 0.9) 100%
    );
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.qr-share-modal .qr-share-backdrop {
    opacity: 0;
    transition: opacity var(--qr-transition);
}

.qr-share-modal.active .qr-share-backdrop {
    opacity: 1;
}

/* ============================================
   Modal Container
   ============================================ */
.qr-share-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    transition: transform var(--qr-transition), opacity var(--qr-transition);
}

.qr-share-modal.active .qr-share-container {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* ============================================
   Card Styling
   ============================================ */
.qr-share-card {
    background: var(--qr-bg);
    border-radius: var(--qr-radius);
    box-shadow: 
        0 25px 50px -12px var(--qr-shadow-lg),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    overflow: hidden;
    position: relative;
}

/* Decorative gradient accent at top */
.qr-share-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--qr-accent) 0%, var(--qr-accent-light) 50%, var(--qr-accent) 100%);
    background-size: 200% 100%;
    animation: qr-gradient-shift 3s ease infinite;
}

@keyframes qr-gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ============================================
   Close Button
   ============================================ */
.qr-share-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--qr-bg-soft);
    border-radius: 50%;
    color: var(--qr-text-muted);
    cursor: pointer;
    transition: all var(--qr-transition);
    z-index: 10;
}

.qr-share-close:hover {
    background: #FEE2E2;
    color: #DC2626;
    transform: rotate(90deg);
}

/* ============================================
   Header Section
   ============================================ */
.qr-share-header {
    padding: 2rem 2rem 1.25rem;
    text-align: center;
}

.qr-share-icon-wrapper {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--qr-accent) 0%, var(--qr-accent-light) 100%);
    border-radius: 1rem;
    color: white;
    box-shadow: 0 10px 25px -5px rgba(191, 87, 0, 0.35);
    animation: qr-icon-pulse 2s ease-in-out infinite;
}

@keyframes qr-icon-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.qr-share-title {
    font-family: 'Cabin Condensed', 'Poppins', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--qr-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.qr-share-subtitle {
    font-size: 0.9rem;
    color: var(--qr-text-muted);
    margin: 0.5rem 0 0;
}

/* ============================================
   QR Code Display
   ============================================ */
.qr-share-qr-wrapper {
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-share-qr-container {
    width: 280px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--qr-bg-soft);
    border: 2px dashed var(--qr-border);
    border-radius: var(--qr-radius);
    position: relative;
    overflow: hidden;
    transition: all var(--qr-transition);
}

.qr-share-qr-container.loaded {
    background: white;
    border-style: solid;
    border-color: transparent;
    box-shadow: 
        0 4px 20px var(--qr-shadow),
        0 0 0 1px var(--qr-border);
}

/* Shimmer loading effect */
.qr-share-qr-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    animation: qr-shimmer 1.5s infinite;
}

.qr-share-qr-container.loaded::after {
    display: none;
}

@keyframes qr-shimmer {
    100% { transform: translateX(100%); }
}

/* Loading spinner */
.qr-share-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.qr-share-qr-container.loaded .qr-share-loading {
    display: none;
}

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

/* QR code image styling */
.qr-share-qr-container canvas,
.qr-share-qr-container svg {
    border-radius: var(--qr-radius-sm);
}

/* ============================================
   URL Section
   ============================================ */
.qr-share-url-section {
    padding: 1.25rem 2rem;
}

.qr-share-url-box {
    display: flex;
    align-items: center;
    background: var(--qr-bg-soft);
    border: 1px solid var(--qr-border);
    border-radius: var(--qr-radius-sm);
    overflow: hidden;
    transition: all var(--qr-transition);
}

.qr-share-url-box:focus-within {
    border-color: var(--qr-accent);
    box-shadow: 0 0 0 3px rgba(191, 87, 0, 0.1);
}

.qr-share-url-input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: none;
    background: transparent;
    font-size: 0.875rem;
    color: var(--qr-text);
    min-width: 0;
    outline: none;
}

.qr-share-copy-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    color: var(--qr-text-muted);
    cursor: pointer;
    transition: all var(--qr-transition);
    flex-shrink: 0;
}

.qr-share-copy-btn:hover {
    color: var(--qr-accent);
    background: rgba(191, 87, 0, 0.05);
}

.qr-share-copy-btn.copied {
    color: var(--qr-success);
}

.qr-share-copy-btn .hidden {
    display: none;
}

/* ============================================
   Action Buttons
   ============================================ */
.qr-share-actions {
    display: flex;
    gap: 0.75rem;
    padding: 0 2rem 1.5rem;
}

.qr-share-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    border-radius: var(--qr-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--qr-transition);
    border: none;
}

.qr-share-btn-primary {
    background: linear-gradient(135deg, var(--qr-accent) 0%, var(--qr-accent-light) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(191, 87, 0, 0.3);
}

.qr-share-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(191, 87, 0, 0.4);
}

.qr-share-btn-primary:active {
    transform: translateY(0);
}

.qr-share-btn-secondary {
    background: var(--qr-bg-soft);
    color: var(--qr-primary);
    border: 1px solid var(--qr-border);
}

.qr-share-btn-secondary:hover {
    background: var(--qr-border);
    border-color: transparent;
}

.qr-share-btn.hidden {
    display: none;
}

/* ============================================
   Footer
   ============================================ */
.qr-share-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem 1.5rem;
    font-size: 0.75rem;
    color: var(--qr-text-muted);
    border-top: 1px solid var(--qr-border);
    background: var(--qr-bg-soft);
}

.qr-share-footer-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* ============================================
   Share Button Styles (for inline usage)
   ============================================ */
.qr-share-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: white;
    border: 2px solid var(--qr-border);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--qr-primary);
    cursor: pointer;
    transition: all var(--qr-transition);
}

.qr-share-trigger:hover {
    border-color: var(--qr-accent);
    color: var(--qr-accent);
    box-shadow: 0 4px 12px rgba(191, 87, 0, 0.15);
    transform: translateY(-1px);
}

.qr-share-trigger svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Floating Share Icon (Hero Top-Right)
   ============================================ */
.qr-share-floating {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 12px;
    color: white;
    cursor: pointer;
    transition: all 0.25s ease;
    opacity: 0.85;
}

.qr-share-floating:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.08);
    opacity: 1;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.qr-share-floating:active {
    transform: scale(0.95);
}

.qr-share-floating svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* Tooltip on hover */
.qr-share-floating::after {
    content: 'Share';
    position: absolute;
    right: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%) translateX(5px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
}

.qr-share-floating:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Responsive - smaller screens */
@media (max-width: 640px) {
    .qr-share-floating {
        width: 40px;
        height: 40px;
        top: 0.75rem;
        right: 0.75rem;
    }
    
    .qr-share-floating svg {
        width: 18px;
        height: 18px;
    }
    
    .qr-share-floating::after {
        display: none;
    }
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 480px) {
    .qr-share-modal {
        padding: 0.5rem;
    }

    .qr-share-card {
        border-radius: var(--qr-radius-sm);
    }

    .qr-share-header {
        padding: 1.5rem 1.25rem 1rem;
    }

    .qr-share-title {
        font-size: 1.5rem;
    }

    .qr-share-qr-wrapper,
    .qr-share-url-section,
    .qr-share-actions {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .qr-share-qr-container {
        width: 240px;
        height: 240px;
    }

    .qr-share-actions {
        flex-direction: column;
    }

    .qr-share-footer {
        padding: 0.875rem 1.25rem 1.25rem;
    }
}

/* ============================================
   Dark Mode Support (optional)
   ============================================ */
@media (prefers-color-scheme: dark) {
    .qr-share-modal[data-theme="auto"] {
        --qr-bg: #1E293B;
        --qr-bg-soft: #0F172A;
        --qr-border: #334155;
        --qr-text: #F1F5F9;
        --qr-text-muted: #94A3B8;
        --qr-shadow: rgba(0, 0, 0, 0.3);
        --qr-shadow-lg: rgba(0, 0, 0, 0.5);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .qr-share-modal {
        display: none !important;
    }
}