/* ============================================
   HiDef — Glass + Neon Accent
   Modern mobile-first PWA UI
   ============================================ */

:root {
    /* Brand */
    --accent-1: #22d3ee;          /* cyan */
    --accent-2: #a855f7;          /* violet */
    --accent-3: #ec4899;          /* pink */
    --accent-glow: rgba(34, 211, 238, 0.45);
    --accent-glow-soft: rgba(168, 85, 247, 0.35);

    /* Status */
    --success: #10b981;
    --danger:  #f43f5e;
    --warning: #f59e0b;

    /* Surfaces */
    --bg-0:    #07070b;
    --bg-1:    #0c0c14;
    --bg-2:    #11111c;
    --glass-bg:        rgba(255, 255, 255, 0.045);
    --glass-bg-strong: rgba(255, 255, 255, 0.07);
    --glass-border:    rgba(255, 255, 255, 0.10);
    --glass-border-strong: rgba(255, 255, 255, 0.18);

    /* Text */
    --text-1: #f4f4f7;
    --text-2: #b8b8c6;
    --text-3: #7c7c8c;

    /* Gradients */
    --gradient-accent: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 60%, var(--accent-3) 100%);
    --gradient-accent-soft: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(168, 85, 247, 0.15));
    --gradient-bg: radial-gradient(1200px 600px at 10% -10%, rgba(34, 211, 238, 0.12), transparent 60%),
                   radial-gradient(900px 500px at 110% 10%, rgba(168, 85, 247, 0.14), transparent 60%),
                   radial-gradient(900px 600px at 50% 120%, rgba(236, 72, 153, 0.10), transparent 60%),
                   linear-gradient(180deg, #07070b 0%, #0a0a12 100%);

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;

    /* Radii */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Motion */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --t-fast: 160ms var(--ease-out);
    --t-base: 260ms var(--ease-out);
    --t-slow: 420ms var(--ease-out);

    /* Shadow */
    --shadow-glow: 0 10px 40px rgba(34, 211, 238, 0.20), 0 4px 20px rgba(168, 85, 247, 0.18);
    --shadow-card: 0 6px 24px rgba(0, 0, 0, 0.45);

    /* Safe areas */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ============================================
   Reset & Base
   ============================================ */

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

html, body {
    height: 100%;
    width: 100%;
    overflow-x: hidden;
}

body {
    background: var(--gradient-bg);
    background-attachment: fixed;
    color: var(--text-1);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

button { font-family: inherit; }

img { max-width: 100%; display: block; }

a { color: var(--accent-1); text-decoration: none; }

/* Subtle background grain (kept light to avoid perf hit) */
body::before {
    content: "";
    position: fixed; inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle at 25% 30%, rgba(255,255,255,0.025) 0, transparent 1px),
        radial-gradient(circle at 75% 70%, rgba(255,255,255,0.02) 0, transparent 1px);
    background-size: 3px 3px, 5px 5px;
    opacity: 0.6;
    z-index: 0;
}

.hidef-app { position: relative; z-index: 1; }

/* ============================================
   Layout
   ============================================ */

.app-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: calc(var(--safe-top) + var(--space-3)) var(--space-4) var(--space-3);
    background: linear-gradient(180deg, rgba(7,7,11,0.92) 0%, rgba(7,7,11,0.65) 80%, transparent 100%);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
}

.app-title {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.app-title-mark {
    width: 26px; height: 26px;
    border-radius: 8px;
    background: var(--gradient-accent);
    box-shadow: 0 4px 16px var(--accent-glow), inset 0 0 0 1px rgba(255,255,255,0.25);
    position: relative;
    flex-shrink: 0;
}

.app-title-mark::after {
    content: "";
    position: absolute;
    inset: 6px;
    border-radius: 4px;
    background: rgba(7, 7, 11, 0.85);
}

.app-title-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    filter: drop-shadow(0 2px 12px rgba(34, 211, 238, 0.18));
}

.header-btn {
    width: 40px; height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-1);
    font-size: 18px;
    cursor: pointer;
    border-radius: 999px;
    transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
}

.header-btn:hover {
    background: var(--glass-bg-strong);
    border-color: var(--accent-1);
    color: var(--accent-1);
}

.header-btn:active { transform: scale(0.94); }

/* ============================================
   Main
   ============================================ */

.app-main {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: calc(96px + var(--safe-bottom));
    scroll-behavior: smooth;
}

.content-wrapper {
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
    padding: var(--space-5) var(--space-4) var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

/* Generic glass card */
.upload-card,
.response-card,
.comment-section,
.voice-section,
.ranking-section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
}

/* ============================================
   Upload Form
   ============================================ */

.upload-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.upload-card {
    padding: var(--space-5);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.upload-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    background: var(--gradient-accent);
    opacity: 0.18;
    filter: blur(40px);
    z-index: 0;
}

.upload-card > * { position: relative; z-index: 1; }

.file-input,
.file-input.hidden { display: none; }

.upload-btn-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-6) var(--space-5);
    background: var(--gradient-accent);
    color: #0a0a12;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform var(--t-base), box-shadow var(--t-base), filter var(--t-fast);
    width: 100%;
    min-height: 124px;
    box-shadow: var(--shadow-glow);
    position: relative;
}

.upload-btn-large i { font-size: 30px; }

.upload-btn-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 50px rgba(34, 211, 238, 0.32), 0 6px 24px rgba(168, 85, 247, 0.28);
    filter: saturate(1.1);
}

.upload-btn-large:active { transform: translateY(0) scale(0.99); }

.help-text {
    font-size: 12px;
    color: var(--text-2);
    margin-top: var(--space-3);
    letter-spacing: 0.01em;
}

/* ============================================
   Preview
   ============================================ */

.preview-container {
    display: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--glass-border-strong);
    background: var(--glass-bg);
    position: relative;
}

.preview-container.active {
    display: block;
    animation: cardIn var(--t-slow);
}

.preview-container::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06), inset 0 -40px 80px rgba(34,211,238,0.05);
}

.img-preview {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity var(--t-base), transform var(--t-base);
}

.img-preview.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Form sections
   ============================================ */

.comment-section,
.voice-section,
.ranking-section {
    padding: var(--space-4) var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.section-label {
    font-weight: 600;
    font-size: 12px;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.section-label::before {
    content: "";
    width: 6px; height: 6px;
    border-radius: 999px;
    background: var(--gradient-accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.comment-input {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--glass-border);
    color: var(--text-1);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    font-family: inherit;
    font-size: 15px;
    resize: vertical;
    transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
    min-height: 88px;
    width: 100%;
}

.comment-input::placeholder { color: var(--text-3); }

.comment-input:focus {
    outline: none;
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
    background: rgba(34, 211, 238, 0.04);
}

/* Voice */
.voice-controls {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.btn-voice {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    color: var(--text-1);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--t-fast);
    white-space: nowrap;
}

.btn-voice i { color: var(--accent-3); }

.btn-voice:hover {
    background: rgba(236, 72, 153, 0.10);
    border-color: var(--accent-3);
    color: var(--text-1);
    transform: translateY(-1px);
}

.btn-voice:active { transform: scale(0.97); }

/* ============================================
   Progress bar
   ============================================ */

.progress-container { width: 100%; position: relative; }

.progress {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.05);
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-accent);
    width: 0%;
    border-radius: 999px;
    transition: width var(--t-slow);
    position: relative;
    box-shadow: 0 0 12px var(--accent-glow);
}

.progress-bar::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.45) 50%, transparent 100%);
    animation: shimmer 1.8s linear infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================
   Action buttons
   ============================================ */

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-2);
}

.btn-primary-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    background: var(--gradient-accent);
    color: #0a0a12;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--t-base), box-shadow var(--t-base), filter var(--t-fast);
    min-height: 54px;
    width: 100%;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.btn-primary-large::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.5) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 700ms ease;
}

.btn-primary-large:hover:not(:disabled)::after { transform: translateX(100%); }

.btn-primary-large:hover:not(:disabled) {
    transform: translateY(-2px);
    filter: saturate(1.1);
    box-shadow: 0 14px 50px rgba(34, 211, 238, 0.35), 0 6px 24px rgba(168, 85, 247, 0.28);
}

.btn-primary-large:active:not(:disabled) { transform: translateY(0) scale(0.99); }

.btn-primary-large:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(0.4);
    box-shadow: none;
}

.btn-secondary-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--glass-bg);
    color: var(--text-1);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--t-fast);
    min-height: 48px;
    backdrop-filter: blur(10px);
}

.btn-secondary-small:hover {
    background: var(--glass-bg-strong);
    border-color: var(--accent-2);
    color: var(--accent-1);
    transform: translateY(-1px);
}

.btn-secondary-small:active { transform: scale(0.98); }

/* ============================================
   Response / AI image
   ============================================ */

.response-card {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: relative;
}

.response-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: var(--gradient-accent-soft);
    opacity: 0.6;
    z-index: 0;
    pointer-events: none;
}

.response-card > * { position: relative; z-index: 1; }

.ai-image-container {
    position: relative;
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 240px;
    background:
        linear-gradient(135deg, rgba(34, 211, 238, 0.06), rgba(168, 85, 247, 0.06)),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.015) 0 12px, transparent 12px 24px);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--glass-border-strong);
}

/* Empty state for AI image when no src set */
.ai-image-container:not(:has(.ai-image[src])) .ai-image,
.ai-image:not([src]),
.ai-image[src=""] { display: none; }

.ai-image-container::after {
    content: "Tu imagen IA aparecerá aquí";
    color: var(--text-3);
    font-size: 13px;
    letter-spacing: 0.04em;
    position: absolute;
    z-index: 0;
}

.ai-image-container:has(.ai-image[src]:not([src=""]))::after { display: none; }
.ai-image-container:has(.spinner[style*="block"])::after { display: none; }

.ai-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
    position: relative;
    z-index: 1;
    animation: fadeIn var(--t-base);
}

.spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(34, 211, 238, 0.15);
    border-top-color: var(--accent-1);
    border-right-color: var(--accent-3);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    position: relative;
    z-index: 2;
}

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

/* ============================================
   Bottom Nav
   ============================================ */

.app-footer {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: var(--space-3);
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: calc(72px + var(--safe-bottom));
    padding: var(--space-2) var(--space-3) calc(var(--space-2) + var(--safe-bottom));
    z-index: 200;
    background: rgba(7,7,11,0.72);
    border-top: 1px solid var(--glass-border);
    backdrop-filter: blur(22px) saturate(140%);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
}

.footer-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    background: transparent;
    border: none;
    color: var(--text-3);
    cursor: pointer;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    transition: color var(--t-fast), background var(--t-fast), transform var(--t-fast);
    flex: 1;
    min-height: 56px;
    position: relative;
}

.footer-btn i { font-size: 22px; }

.footer-btn:hover { color: var(--text-1); }

.footer-btn.active {
    color: var(--text-1);
}

.footer-btn.active::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 3px;
    border-radius: 999px;
    background: var(--gradient-accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.footer-btn:active { transform: scale(0.94); }

/* ============================================
   Toasts
   ============================================ */

.toast-container {
    position: fixed;
    top: calc(var(--safe-top) + 76px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    max-width: 520px;
    width: calc(100% - var(--space-4) * 2);
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.toast {
    background: rgba(12, 12, 20, 0.85);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    color: var(--text-1);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    border: 1px solid var(--glass-border-strong);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    animation: toastIn var(--t-base);
    pointer-events: all;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--gradient-accent);
}

.toast.toast-loading::before { background: var(--gradient-accent); }
.toast.toast-success::before { background: linear-gradient(180deg, var(--success), #34d399); }
.toast.toast-success { border-color: rgba(16, 185, 129, 0.35); }
.toast.toast-error::before { background: linear-gradient(180deg, var(--danger), #fb7185); }
.toast.toast-error { border-color: rgba(244, 63, 94, 0.4); }
.toast.toast-warning::before { background: linear-gradient(180deg, var(--warning), #fbbf24); }
.toast.toast-warning { border-color: rgba(245, 158, 11, 0.4); }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-14px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.toast-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 14px;
    font-weight: 500;
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-2);
    cursor: pointer;
    padding: var(--space-1);
    font-size: 16px;
    transition: color var(--t-fast), transform var(--t-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover { color: var(--text-1); transform: scale(1.15); }

/* ============================================
   Modals
   ============================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: flex-end;
    justify-content: center;
    z-index: 999;
    animation: overlayIn var(--t-fast);
}

.modal-overlay[style*="flex"] { display: flex !important; }

@keyframes overlayIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal-content {
    background: linear-gradient(180deg, rgba(20, 20, 32, 0.92), rgba(12, 12, 20, 0.96));
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border: 1px solid var(--glass-border-strong);
    border-bottom: none;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 92vh;
    overflow-y: auto;
    width: 100%;
    max-width: 640px;
    animation: sheetUp var(--t-base);
    position: relative;
}

.modal-content::before {
    content: "";
    position: absolute;
    top: 8px; left: 50%;
    transform: translateX(-50%);
    width: 44px; height: 4px;
    border-radius: 999px;
    background: rgba(255,255,255,0.18);
}

@keyframes sheetUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6) var(--space-5) var(--space-3);
    position: sticky;
    top: 0;
    z-index: 10;
    background: linear-gradient(180deg, rgba(20,20,32,0.95) 0%, rgba(20,20,32,0.85) 100%);
    backdrop-filter: blur(10px);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.01em;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.modal-close {
    width: 36px; height: 36px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-1);
    font-size: 18px;
    cursor: pointer;
    border-radius: 999px;
    transition: all var(--t-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--glass-bg-strong);
    border-color: var(--accent-3);
    color: var(--accent-3);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--space-3) var(--space-5) calc(var(--space-6) + var(--safe-bottom));
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.requirement-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: border-color var(--t-fast), transform var(--t-fast);
}

.requirement-item:hover {
    border-color: var(--accent-2);
    transform: translateY(-1px);
}

.requirement-item h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: 0.01em;
}

.requirement-item p,
.requirement-item ul,
.requirement-item li {
    font-size: 14px;
    color: var(--text-2);
}

.requirement-item ul {
    padding-left: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.requirement-item li::marker { color: var(--accent-1); }

/* Camera setting images embedded in guide */
.camera-shots {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    margin-top: var(--space-2);
}

.camera-shot {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: #000;
    position: relative;
}

.camera-shot img {
    width: 100%;
    height: auto;
    display: block;
}

.camera-shot figcaption {
    padding: var(--space-2) var(--space-3);
    font-size: 12px;
    color: var(--text-2);
    background: rgba(0,0,0,0.5);
    letter-spacing: 0.02em;
}

/* Stats */
.stat-display {
    position: relative;
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 280px;
    background:
        linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(168, 85, 247, 0.08)),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.015) 0 12px, transparent 12px 24px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-display img { width: 100%; height: auto; }

.stat-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.stat-info p {
    font-size: 14px;
    color: var(--text-2);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-info p:last-child {
    grid-column: span 2;
}

.stat-info strong {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.01em;
}

/* Sticker grid override (the JS still injects <p><img/></p>) */
#stickers {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    padding: var(--space-3) 0;
}

#stickers p {
    margin: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    transition: transform var(--t-fast), border-color var(--t-fast);
}

#stickers p:hover {
    transform: translateY(-2px);
    border-color: var(--accent-1);
}

#stickers img { display: block; width: 100%; height: auto; }

/* AI messages list (#messagesContainer) — items reuse .requirement-item */
#messagesContainer .requirement-item p {
    font-size: 14px;
    color: var(--text-2);
}

#messagesContainer .requirement-item p:first-child {
    color: var(--accent-1);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes popIn {
    0%   { transform: scale(0.94); opacity: 0; }
    60%  { transform: scale(1.03); opacity: 1; }
    100% { transform: scale(1);    opacity: 1; }
}

.pop { animation: popIn 0.42s var(--ease-out) both; }

/* ============================================
   Responsive
   ============================================ */

@media (min-width: 720px) {
    .camera-shots { grid-template-columns: 1fr 1fr; }
    .camera-shots .camera-shot.full { grid-column: span 2; }
}

@media (max-width: 480px) {
    .app-title { font-size: 20px; }
    .content-wrapper { padding: var(--space-4) var(--space-3); gap: var(--space-4); }
    .upload-btn-large { min-height: 108px; font-size: 15px; }
    .upload-btn-large i { font-size: 26px; }
    .modal-header h2 { font-size: 18px; }
}

/* ============================================
   Utilities
   ============================================ */

.hidden { display: none !important; }

.text-center { text-align: center; }

.text-muted { color: var(--text-3); }

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.08);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background-color: rgba(34, 211, 238, 0.35); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

/* Print */
@media print {
    .app-header, .app-footer, .toast-container { display: none; }
}