/* 
    LTPhotoBooth Premium Delivery Page
    Theme: Ultra-Premium Dynamic Aura
*/

:root {
    --bg-base: #030305;
    --text-primary: #ffffff;
    --text-secondary: rgba(255,255,255,0.6);
    --glass-bg: rgba(20, 20, 25, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    --aura-1: #4a00e0;
    --aura-2: #8e2de2;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 24px;
    overflow-x: hidden;
    position: relative;
}

/* ──────────────── Dynamic Aura Background ──────────────── */
.page-bg {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, var(--bg-base) 20%, #000 100%);
}

.aura-orb {
    position: absolute;
    width: 60vmax;
    height: 60vmax;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    animation: floatOrb 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--aura-1);
    top: -20%; left: -20%;
}

.aura-orb:nth-child(2) {
    background: var(--aura-2);
    top: 60%; left: 60%;
    animation-direction: alternate-reverse;
    animation-duration: 25s;
    opacity: 0.1;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 15%) scale(1.2); }
}

/* ──────────────── Layout ──────────────── */
.qr-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    z-index: 1;
}

/* ──────────────── Premium Photo View ──────────────── */
.photo-view {
    width: 100%;
    animation: springReveal 1s cubic-bezier(0.175, 0.885, 0.32, 1.1) forwards;
    opacity: 0;
    transform: translateY(40px) scale(0.95);
}

.photo-frame {
    width: 100%;
    background: var(--glass-bg);
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    box-shadow: 
        0 30px 60px rgba(0,0,0,0.6), 
        inset 0 1px 0 var(--glass-highlight);
    margin-bottom: 24px;
    transition: transform 0.4s cubic-bezier(0.2, 0, 0.2, 1), box-shadow 0.4s ease;
}

.photo-frame:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 40px 80px rgba(0,0,0,0.8), 
        0 0 40px rgba(142, 45, 226, 0.2),
        inset 0 1px 0 rgba(255,255,255,0.25);
}

.photo-frame img,
.photo-frame video {
    width: 100%;
    display: block;
    border-radius: 32px;
}

/* ──────────────── Premium Buttons ──────────────── */
.photo-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
}

.btn-download, .btn-share {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.2px;
    transition: all 0.3s cubic-bezier(0.2, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-download {
    background: #ffffff;
    color: #000000;
    box-shadow: 0 8px 20px rgba(255,255,255,0.15);
}

.btn-download:hover {
    background: #e0e0e0;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(255,255,255,0.25);
}

.btn-share {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.btn-share:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}

/* Button Shimmer Effect */
.btn-download::after, .btn-share::after {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: skewX(-20deg);
    transition: 0.5s;
}
.btn-download::after { background: linear-gradient(90deg, transparent, rgba(0,0,0,0.05), transparent); }
.btn-download:hover::after, .btn-share:hover::after { left: 200%; transition: left 0.7s cubic-bezier(0.4, 0, 0.2, 1); }

/* ──────────────── Loading State ──────────────── */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    height: 100vh;
    justify-content: center;
    position: absolute;
    top: 0; left: 0; width: 100%;
    transition: opacity 0.4s ease;
}

.loading-state p {
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.5px;
    animation: pulseText 2s infinite ease-in-out;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--aura-2);
    border-radius: 50%;
    animation: rotate 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* ──────────────── Footer Branding ──────────────── */
.branding {
    margin-top: 48px;
    opacity: 0.3;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: opacity 0.3s ease;
}
.branding:hover { opacity: 0.6; }

/* ──────────────── Animations ──────────────── */
@keyframes springReveal {
    0% { opacity: 0; transform: translateY(40px) scale(0.95); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes pulseText { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

/* ──────────────── Error View ──────────────── */
.error-state {
    text-align: center;
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    animation: springReveal 0.8s cubic-bezier(0.175, 0.885, 0.32, 1) forwards;
}
.error-state h2 { margin-bottom: 12px; font-weight: 900; font-size: 2rem; background: linear-gradient(to right, #fff, #aaa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.error-state p { color: var(--text-secondary); line-height: 1.5; }

/* ════════════════════════════════════════════════════════════════
   GALLERY PAGE — phone-first grid.
   The shared body rule above centers content (great for the single-photo
   QR page) but is wrong for the multi-photo gallery. When a .photo-grid is
   present we treat this as the gallery page and lay it out top-aligned with
   a single vertical column on phones, adding columns only as the screen
   gets wider. !important + min-width queries guarantee this wins over any
   older inline rules in a deployed gallery.html.
   ════════════════════════════════════════════════════════════════ */
body:has(.photo-grid) {
    display: block !important;
    align-items: initial !important;
    justify-content: initial !important;
    padding: 0 !important;
}

.photo-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;   /* PHONE: one vertical column */
    gap: 16px !important;
    column-gap: 16px !important;
    columns: auto !important;                /* kill any old CSS-columns masonry */
    -webkit-columns: auto !important;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px 90px;
    box-sizing: border-box;
}

/* Large phone / small tablet: 2 columns */
@media (min-width: 560px) {
    .photo-grid { grid-template-columns: repeat(2, 1fr) !important; padding: 0 20px 96px; }
}
/* Tablet: 3 columns */
@media (min-width: 820px) {
    .photo-grid { grid-template-columns: repeat(3, 1fr) !important; }
}
/* Desktop: 4 columns */
@media (min-width: 1100px) {
    .photo-grid { grid-template-columns: repeat(4, 1fr) !important; }
}

/* Each photo fills its grid cell; never forced to a fixed min width. */
.photo-grid > .photo-cell,
.photo-grid > figure {
    width: 100% !important;
    margin: 0 !important;
    break-inside: avoid;
}
.photo-grid > .photo-cell img,
.photo-grid > figure img {
    width: 100%;
    height: auto;
    display: block;
}