/* ============================================================
   QR Code Generator – style.css
   Professional · Clean · Responsive · Lightweight
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────── */
:root {
    --clr-bg:           #f6f7fb;
    --clr-surface:      #ffffff;
    --clr-border:       #e5e7eb;
    --clr-border-focus: #6366f1;

    --clr-primary:      #6366f1;
    --clr-primary-dark: #4f46e5;
    --clr-primary-soft: #eef2ff;
    --clr-primary-glow: rgba(99, 102, 241, 0.25);

    --clr-text-1:  #111827;
    --clr-text-2:  #374151;
    --clr-text-3:  #6b7280;
    --clr-text-4:  #9ca3af;

    --clr-success: #10b981;
    --clr-error:   #ef4444;
    --clr-error-bg:#fef2f2;
    --clr-error-border: #fecaca;

    --clr-pdf:     #f59e0b;
    --clr-pdf-dark:#d97706;

    --radius-sm:  8px;
    --radius-md:  14px;
    --radius-lg:  20px;
    --radius-xl:  28px;

    --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.05);
    --shadow-lg:  0 12px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
    --shadow-glow:0 0 0 4px var(--clr-primary-glow);

    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background-color: var(--clr-bg);
    color: var(--clr-text-1);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ── Background Blobs ──────────────────────────────────── */
.bg-blobs {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
}
.blob-1 {
    width: 480px; height: 480px;
    background: radial-gradient(circle, #818cf8 0%, transparent 70%);
    top: -140px; left: -120px;
    animation: blobFloat 14s ease-in-out infinite alternate;
}
.blob-2 {
    width: 360px; height: 360px;
    background: radial-gradient(circle, #a78bfa 0%, transparent 70%);
    bottom: -80px; right: -80px;
    animation: blobFloat 18s ease-in-out infinite alternate-reverse;
}
.blob-3 {
    width: 260px; height: 260px;
    background: radial-gradient(circle, #67e8f9 0%, transparent 70%);
    top: 50%; right: 10%;
    animation: blobFloat 22s ease-in-out infinite alternate;
    opacity: 0.25;
}

@keyframes blobFloat {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(30px, 20px) scale(1.06); }
}

/* ── Layout ────────────────────────────────────────────── */
.page-wrap {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
    padding: 28px 20px 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* ── Site Header ───────────────────────────────────────── */
.site-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-text-1);
    letter-spacing: -0.01em;
}

.header-badge {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--clr-primary);
    background: var(--clr-primary-soft);
    border: 1px solid #c7d2fe;
    padding: 3px 11px;
    border-radius: 999px;
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
    text-align: center;
    margin-bottom: 36px;
    padding: 0 12px;
}

.hero-title {
    font-size: clamp(1.9rem, 5vw, 2.65rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.15;
    color: var(--clr-text-1);
    background: linear-gradient(135deg, #1e1b4b 0%, #6366f1 55%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 14px;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--clr-text-3);
    font-weight: 400;
    line-height: 1.65;
}

/* ── Card ──────────────────────────────────────────────── */
.card {
    width: 100%;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 28px;
    transition: box-shadow var(--transition);
}

/* ── Input Group ───────────────────────────────────────── */
.input-group { margin-bottom: 20px; }

.input-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-text-2);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--clr-text-4);
    display: flex;
    align-items: center;
    pointer-events: none;
    transition: color var(--transition);
}

.url-input {
    width: 100%;
    height: 52px;
    padding: 0 44px 0 44px;
    font-family: var(--font);
    font-size: 0.94rem;
    color: var(--clr-text-1);
    background: #fafafa;
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.url-input::placeholder { color: var(--clr-text-4); }

.url-input:hover {
    border-color: #c7d2fe;
    background: #fff;
}

.url-input:focus {
    border-color: var(--clr-border-focus);
    box-shadow: var(--shadow-glow);
    background: #fff;
}

.url-input:focus + .input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--clr-primary);
}

.url-input.is-error {
    border-color: var(--clr-error);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

/* Clear button */
.clear-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--clr-text-4);
    display: flex;
    align-items: center;
    padding: 4px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
}
.clear-btn:hover { color: var(--clr-text-2); background: var(--clr-bg); }

.field-error {
    font-size: 0.81rem;
    color: var(--clr-error);
    margin-top: 6px;
    min-height: 18px;
    font-weight: 500;
    transition: opacity var(--transition);
}

.field-hint {
    font-size: 0.78rem;
    color: var(--clr-text-4);
    margin-top: 5px;
}

/* ── Color Selection ───────────────────────────────────── */
.color-group {
    margin-bottom: 24px;
    align-items: center;
}

.color-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.color-swatch {
    position: relative;
    display: inline-block;
    cursor: pointer;
    width: 32px;
    height: 32px;
}

.color-swatch input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.swatch-circle {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid transparent;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.color-swatch:hover .swatch-circle {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.color-swatch input[type="radio"]:checked + .swatch-circle,
.color-swatch input[type="radio"]:checked ~ .swatch-circle {
    border-color: var(--clr-surface);
    outline: 2px solid var(--clr-primary);
    transform: scale(1.15);
}

.custom-picker-wrap {
    overflow: hidden;
    border-radius: 50%;
    border: 1.5px dashed var(--clr-border);
    transition: outline 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--clr-surface);
}

.custom-picker-wrap input[type="color"] {
    opacity: 0;
    width: 200%;
    height: 200%;
    cursor: pointer;
    position: absolute;
    left: -50%;
    top: -50%;
    z-index: 2;
}

.custom-picker-wrap input[type="radio"] {
    opacity: 0;
    position: absolute;
    z-index: 1;
}

.custom-picker-wrap:hover {
    border-color: var(--clr-primary);
}

.custom-picker-wrap:focus-within {
    outline: 2px solid var(--clr-primary);
    border-style: solid;
}

.custom-swatch-circle {
    background: conic-gradient(red, yellow, lime, aqua, blue, magenta, red);
    pointer-events: none;
}

/* Result color customization (visible only after QR is generated) */
.result-color-tools {
    background: #f9fafb;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    margin-bottom: 14px;
}

.result-color-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

/* Replaces "Apply Color" button — colour is now instant, no button needed */
.color-instant-badge {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--clr-success);
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 999px;
    padding: 2px 9px;
}

.apply-color-btn {
    border: 1px solid #c7d2fe;
    background: #eef2ff;
    color: #4338ca;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 0.74rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all var(--transition);
}

.apply-color-btn:hover:not(:disabled) { background: #e0e7ff; }
.apply-color-btn:disabled { opacity: 0.55; cursor: not-allowed; }

.result-color-title {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--clr-text-2);
}

.result-color-note {
    font-size: 0.74rem;
    color: var(--clr-text-4);
}

.color-options-small {
    gap: 8px;
}

.color-swatch-small {
    width: 24px;
    height: 24px;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* Primary — Generate */
.btn-primary {
    width: 100%;
    height: 52px;
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 18px var(--clr-primary-glow);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.18) 0%, transparent 60%);
    border-radius: inherit;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--clr-primary-glow);
}

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

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Loading state */
.btn-loader {
    display: none;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255,255,255,0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
}

.btn-primary.is-loading .btn-text { display: none; }
.btn-primary.is-loading .btn-icon { display: none; }
.btn-primary.is-loading .btn-loader { display: block; }

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

/* ── Error Banner ──────────────────────────────────────── */
.error-banner {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: var(--clr-error-bg);
    border: 1px solid var(--clr-error-border);
    color: var(--clr-error);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 0.88rem;
    font-weight: 500;
    margin-top: 16px;
    animation: fadeSlideIn 0.3s ease;
}

/* ── QR Result ─────────────────────────────────────────── */
.qr-result {
    margin-top: 28px;
    animation: fadeSlideIn 0.4s ease;
}

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.result-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    color: var(--clr-text-3);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.result-divider::before,
.result-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--clr-border);
}

/* QR preview */
.qr-preview-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 22px;
}

.qr-preview-bg {
    position: absolute;
    width: 256px;
    height: 256px;
    background: linear-gradient(135deg, #eef2ff, #f5f3ff);
    border-radius: var(--radius-lg);
    border: 1px solid #e0e7ff;
}

.qr-preview-img {
    position: relative;
    z-index: 1;
    width: 220px;
    height: 220px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    border: 8px solid #ffffff;
    outline: 1px solid #dbe3f4;
    box-shadow: var(--shadow-md);
    margin: 18px 0 12px;
    background: #fff;
    transition: transform var(--transition), opacity 0.2s ease;
}
.qr-preview-img:hover { transform: scale(1.03); }
.qr-preview-img.is-updating { opacity: 0.35; }

.qr-scan-hint {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    color: var(--clr-text-4);
    margin-bottom: 6px;
}

/* Encoded URL box */
.encoded-url-box {
    display: flex;
    align-items: baseline;
    gap: 8px;
    background: #f9fafb;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin-bottom: 22px;
    word-break: break-all;
}

.encoded-label {
    font-size: 0.73rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--clr-text-4);
    white-space: nowrap;
    flex-shrink: 0;
}

.encoded-value {
    font-size: 0.85rem;
    color: var(--clr-primary);
    font-weight: 500;
    text-decoration: none;
}

/* ── Download Row ──────────────────────────────────────── */
.download-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 18px;
}

.btn-download {
    height: 48px;
    font-size: 0.88rem;
    border-radius: var(--radius-md);
    border: 1.5px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
}

/* PNG download */
.btn-img {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    box-shadow: 0 3px 12px rgba(16, 185, 129, 0.3);
}
.btn-img:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* PDF download */
.btn-pdf {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    box-shadow: 0 3px 12px rgba(245, 158, 11, 0.3);
}
.btn-pdf:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-download:active { transform: translateY(0); }
.btn-download:disabled { opacity: 0.65; cursor: not-allowed; transform: none !important; }

/* ── Logo upload row ───────────────────────────────────── */
.logo-upload-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.btn-logo-upload {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--clr-text-2);
    background: var(--clr-surface);
    border: 1.5px dashed var(--clr-border);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-logo-upload:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    background: var(--clr-primary-soft);
}

.logo-upload-filename {
    font-size: 0.75rem;
    color: var(--clr-text-3);
    font-weight: 500;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-logo-clear {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: none;
    border: 1px solid var(--clr-border);
    border-radius: 50%;
    color: var(--clr-text-4);
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}
.btn-logo-clear:hover { color: var(--clr-error); border-color: var(--clr-error); }

.logo-upload-hidden {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
}

/* Reset link */
.btn-reset {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    background: none;
    border: none;
    color: var(--clr-text-3);
    font-family: var(--font);
    font-size: 0.84rem;
    font-weight: 500;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: color var(--transition);
}
.btn-reset:hover { color: var(--clr-primary); }

/* ── Feature Chips ─────────────────────────────────────── */
.feature-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 36px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--clr-text-3);
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 999px;
    padding: 5px 13px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.chip:hover {
    border-color: #c7d2fe;
    color: var(--clr-primary);
    box-shadow: 0 2px 8px var(--clr-primary-glow);
}

.chip svg { color: var(--clr-success); }

/* ── Footer ────────────────────────────────────────────── */
.site-footer {
    font-size: 0.78rem;
    color: var(--clr-text-4);
    text-align: center;
}

.footer-link {
    color: var(--clr-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}
.footer-link:hover { color: var(--clr-primary-dark); text-decoration: underline; }

.logo-link {
    color: inherit;
    text-decoration: none;
}
.logo-link:hover { color: var(--clr-primary); }

/* ── Platform Tabs ─────────────────────────────────────── */
.platform-tabs {
    display: flex;
    gap: 4px;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: 24px;
}

.platform-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 10px 6px 8px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--clr-text-3);
    line-height: 1.2;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.platform-tab svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    transition: color var(--transition);
}

.platform-tab:hover {
    background: var(--clr-surface);
    color: var(--clr-text-2);
    box-shadow: var(--shadow-sm);
}

/* Active state — per-platform brand colour */
.platform-tab.active {
    background: var(--clr-surface);
    box-shadow: var(--shadow-sm);
}
.platform-tab[data-platform="url"].active        { color: var(--clr-primary); }
.platform-tab[data-platform="instagram"].active  { color: #e1306c; }
.platform-tab[data-platform="facebook"].active   { color: #1877f2; }
.platform-tab[data-platform="youtube"].active    { color: #ff0000; }

/* ── Fallback Page ─────────────────────────────────────── */
.fallback-card {
    text-align: center;
    padding: 48px 36px 40px;
}

.fallback-icon-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
}

.fallback-icon-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--ring-color, rgba(99, 102, 241, 0.12));
    animation: ringPulse 2.4s ease-in-out infinite;
}

@keyframes ringPulse {
    0%, 100% { transform: scale(1);    opacity: 1; }
    50%       { transform: scale(1.12); opacity: 0.6; }
}

.fallback-icon {
    position: relative;
    z-index: 1;
    color: var(--clr-primary);
}

.fallback-title {
    font-size: clamp(1.35rem, 4vw, 1.7rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--clr-text-1);
    margin-bottom: 8px;
}

.fallback-subtitle {
    font-size: 0.95rem;
    color: var(--clr-text-3);
    margin-bottom: 24px;
    line-height: 1.5;
}

.fallback-url-box {
    display: flex;
    align-items: baseline;
    gap: 8px;
    background: #f9fafb;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin-bottom: 20px;
    word-break: break-all;
    text-align: left;
}

.fallback-url-label {
    font-size: 0.73rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--clr-text-4);
    white-space: nowrap;
    flex-shrink: 0;
}

.fallback-url-value {
    font-size: 0.85rem;
    color: var(--clr-primary);
    font-weight: 500;
    word-break: break-all;
}

/* Status indicator */
.fallback-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--clr-text-2);
    background: #f9fafb;
    border: 1px solid var(--clr-border);
    border-radius: 999px;
    padding: 6px 16px;
    margin-bottom: 24px;
}

.status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-checking {
    background: var(--clr-text-4);
    animation: dotBlink 1.2s ease-in-out infinite;
}
.status-up   { background: var(--clr-success); }
.status-down { background: var(--clr-error); }

@keyframes dotBlink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

/* Fallback action buttons */
.fallback-actions {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    margin-bottom: 16px;
}

.fallback-btn-open {
    height: 48px;
    font-size: 0.9rem;
}

.fallback-btn-retry {
    height: 48px;
    padding: 0 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-text-2);
    background: var(--clr-surface);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font);
    transition: all var(--transition);
    white-space: nowrap;
}
.fallback-btn-retry:hover {
    border-color: var(--clr-border-focus);
    color: var(--clr-primary);
    box-shadow: var(--shadow-glow);
}
.fallback-btn-retry:active { transform: scale(0.98); }

.fallback-countdown {
    font-size: 0.78rem;
    color: var(--clr-text-4);
    margin-top: 4px;
}

/* Responsive adjustments */
@media (max-width: 420px) {
    .fallback-actions { grid-template-columns: 1fr; }
    .fallback-card { padding: 36px 20px 32px; }
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 520px) {
    .card { padding: 26px 20px; border-radius: var(--radius-lg); }
    .hero-title { font-size: 1.85rem; }
    .hero-subtitle br { display: none; }
    .download-row { grid-template-columns: 1fr; }
    .header-badge { display: none; }
    .feature-chips { gap: 8px; }
    .chip { font-size: 0.75rem; }
    .result-color-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

@media (max-width: 380px) {
    .page-wrap { padding: 20px 14px 40px; }
    .card { padding: 22px 16px; }
}