/* ========================================================
   ShowDog Design System v3.0
   Shared variables, base styles, and component primitives
   — Premium canine platform aesthetics
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+JP:wght@400;500;600;700;800;900&display=swap');

:root {
    /* ── Brand Colors (refined) ── */
    --purple: #7C3AED;
    --purple-dark: #6D28D9;
    --purple-light: #A78BFA;
    --purple-50: #F5F3FF;
    --indigo: #6366F1;
    --blue: #3B82F6;
    --gold: #F59E0B;
    --gold-light: #FDE68A;

    /* ── Semantic Colors ── */
    --green: #10B981;
    --green-dark: #059669;
    --red: #EF4444;
    --red-dark: #DC2626;
    --orange: #F97316;
    --orange-dark: #EA580C;

    /* ── Category Colors (distinct per feature) ── */
    --cat-ai: #8B2FC0;
    --cat-ai-bg: rgba(139, 47, 192, 0.08);
    --cat-symptom: #2B6CB0;
    --cat-symptom-bg: rgba(43, 108, 176, 0.08);
    --cat-genetic: #319795;
    --cat-genetic-bg: rgba(49, 151, 149, 0.08);
    --cat-passport: #D69E2E;
    --cat-passport-bg: rgba(214, 158, 46, 0.08);
    --cat-visit: #E53E3E;
    --cat-visit-bg: rgba(229, 62, 62, 0.07);
    --cat-food: #DD6B20;
    --cat-food-bg: rgba(221, 107, 32, 0.08);

    /* ── Text ── */
    --text: #0F172A;
    --text-secondary: #475569;
    --text-light: #64748B;
    --text-muted: #94A3B8;

    /* ── Surfaces ── */
    --bg: #FAFBFF;
    --bg-alt: #F1F5F9;
    --bg-hover: #E2E8F0;
    --card-bg: rgba(255, 255, 255, 0.98);
    --border: #E2E8F0;
    --border-light: #F1F5F9;

    /* ── Shadows (layered for depth) ── */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.03), 0 8px 28px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.04), 0 16px 48px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 8px 16px rgba(0, 0, 0, 0.06), 0 24px 64px rgba(0, 0, 0, 0.1);
    --shadow-brand: 0 4px 14px rgba(124, 58, 237, 0.15), 0 8px 28px rgba(124, 58, 237, 0.12);
    --shadow-brand-lg: 0 8px 24px rgba(124, 58, 237, 0.2), 0 16px 48px rgba(124, 58, 237, 0.15);

    /* ── Radii ── */
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* ── Gradients (richer, more vibrant) ── */
    --gradient-brand: linear-gradient(135deg, #7C3AED 0%, #6366F1 50%, #3B82F6 100%);
    --gradient-brand-v: linear-gradient(180deg, #7C3AED 0%, #6366F1 50%, #3B82F6 100%);
    --gradient-brand-warm: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(124,58,237,0.04), rgba(59,130,246,0.04));
    --gradient-card-accent: linear-gradient(90deg, var(--purple), var(--blue));
    --gradient-surface: linear-gradient(180deg, #FAFBFF 0%, #F1F5F9 100%);

    /* ── Typography ── */
    --font: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', sans-serif;
    --font-display: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Menlo', monospace;

    /* ── Transitions ── */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.15s var(--ease);
    --transition: 0.25s var(--ease);
    --transition-slow: 0.4s var(--ease-out);

    /* ── Spacing scale (8px grid) ── */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* ── Shared App Navbar ── */
.sd-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition);
}
.sd-navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05), 0 4px 20px rgba(0, 0, 0, 0.04);
}
.sd-navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 24px;
    gap: 16px;
}
.sd-navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--purple);
    flex-shrink: 0;
    letter-spacing: -0.02em;
}
.sd-navbar-logo img {
    height: 32px;
    border-radius: var(--radius-sm);
}
/* Language Toggle Button */
.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    border: 1.5px solid var(--border);
    background: var(--bg);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 0.03em;
}
.lang-toggle:hover {
    border-color: var(--purple);
    color: var(--purple);
    background: rgba(139, 47, 192, 0.04);
}
.lang-toggle .lang-flag { font-size: 0.9rem; }
.sd-navbar-tabs {
    display: flex;
    gap: 2px;
    background: var(--bg-alt);
    border-radius: var(--radius-md);
    padding: 3px;
}
.sd-navbar-tab {
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-light);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background: none;
    white-space: nowrap;
}
.sd-navbar-tab:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.8);
}
.sd-navbar-tab.active {
    background: white;
    color: var(--purple);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}
.sd-navbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.sd-navbar-user {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg);
}
.sd-navbar-btn {
    padding: 7px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.sd-navbar-btn-ghost {
    background: var(--bg);
    color: var(--text-secondary);
}
.sd-navbar-btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text);
}
.sd-navbar-btn-primary {
    background: var(--gradient-brand);
    color: white;
}
.sd-navbar-btn-primary:hover {
    box-shadow: var(--shadow-brand);
    transform: translateY(-1px);
}
.sd-navbar-btn-outline {
    background: transparent;
    color: var(--purple);
    border: 1.5px solid var(--purple);
}
.sd-navbar-btn-outline:hover {
    background: var(--purple);
    color: white;
}

/* ── Page Container ── */
.sd-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Card ── */
.sd-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--sp-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.sd-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.sd-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-5);
    padding-bottom: var(--sp-4);
    border-bottom: 1px solid var(--border-light);
}
.sd-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.02em;
}
.sd-card-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--gradient-brand);
    flex-shrink: 0;
}

/* ── Section Title ── */
.sd-section-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-4);
    border-bottom: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.03em;
}
.sd-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gradient-subtle);
    border-radius: 1px;
}

/* ── Buttons ── */
.sd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s var(--ease-out);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
    letter-spacing: -0.01em;
}
.sd-btn-primary {
    background: var(--gradient-brand);
    color: white;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
}
.sd-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand);
    filter: brightness(1.05);
}
.sd-btn-primary:active {
    transform: translateY(0);
    filter: brightness(0.98);
}
.sd-btn-secondary {
    background: var(--bg);
    color: var(--text-secondary);
}
.sd-btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text);
}
.sd-btn-outline {
    background: transparent;
    color: var(--purple);
    border: 1.5px solid var(--border);
}
.sd-btn-outline:hover {
    border-color: var(--purple);
    background: rgba(139, 47, 192, 0.04);
}
.sd-btn-danger {
    background: var(--red);
    color: white;
}
.sd-btn-danger:hover {
    background: var(--red-dark);
    transform: translateY(-1px);
}
.sd-btn-success {
    background: linear-gradient(135deg, var(--green), var(--green-dark));
    color: white;
}
.sd-btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(72, 187, 120, 0.3);
}
.sd-btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
    border-radius: var(--radius-xs);
}
.sd-btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
    border-radius: var(--radius-md);
}
.sd-btn-block {
    width: 100%;
}
.sd-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ── Form Elements ── */
.sd-form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--sp-4);
}
.sd-form-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-size: 0.88rem;
}
.sd-form-input,
.sd-form-select,
.sd-form-textarea {
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    background: white;
    color: var(--text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.sd-form-input:focus,
.sd-form-select:focus,
.sd-form-textarea:focus {
    outline: none;
    border-color: var(--purple);
    box-shadow: 0 0 0 3px rgba(139, 47, 192, 0.1);
}
.sd-form-input::placeholder {
    color: var(--text-muted);
}
.sd-form-textarea {
    resize: vertical;
    min-height: 80px;
}
.sd-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: var(--sp-4);
}
.sd-form-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Badge ── */
.sd-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.5;
}
.sd-badge-purple {
    background: rgba(139, 47, 192, 0.1);
    color: var(--purple);
}
.sd-badge-green {
    background: rgba(72, 187, 120, 0.1);
    color: var(--green-dark);
}
.sd-badge-red {
    background: rgba(229, 62, 62, 0.1);
    color: var(--red);
}
.sd-badge-orange {
    background: rgba(237, 137, 54, 0.1);
    color: var(--orange-dark);
}
.sd-badge-blue {
    background: rgba(91, 126, 194, 0.1);
    color: var(--blue);
}
.sd-badge-gold {
    background: linear-gradient(135deg, #f6e05e, #ecc94b);
    color: #744210;
}

/* ── Grade Badges (consistent across all pages) ── */
.sd-grade {
    display: inline-block;
    padding: 5px 16px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.88rem;
    text-align: center;
    letter-spacing: 0.02em;
}
.sd-grade-S { background: linear-gradient(135deg, #FDE68A, #F59E0B); color: #78350F; box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3); }
.sd-grade-Ap { background: linear-gradient(135deg, #34D399, #059669); color: white; box-shadow: 0 2px 8px rgba(5, 150, 105, 0.3); }
.sd-grade-A { background: linear-gradient(135deg, #6EE7B7, #10B981); color: white; box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3); }
.sd-grade-Bp { background: linear-gradient(135deg, #60A5FA, #2563EB); color: white; box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3); }
.sd-grade-B { background: linear-gradient(135deg, #93C5FD, #3B82F6); color: white; box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3); }
.sd-grade-C { background: linear-gradient(135deg, #CBD5E1, #64748B); color: white; }

/* ── Modal ── */
.sd-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px) saturate(1.5);
    -webkit-backdrop-filter: blur(8px) saturate(1.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.sd-modal-overlay.show {
    display: flex;
}
.sd-modal {
    background: white;
    border-radius: var(--radius-2xl);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.12), 0 8px 24px rgba(0, 0, 0, 0.08);
    animation: sdModalIn 0.35s var(--ease-out);
}
@keyframes sdModalIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.sd-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
}
.sd-modal-title {
    font-size: 1.1rem;
    font-weight: 700;
}
.sd-modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--bg);
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all var(--transition-fast);
}
.sd-modal-close:hover {
    background: var(--bg-hover);
    color: var(--text);
}
.sd-modal-body {
    padding: 24px;
}

/* ── Alerts ── */
.sd-alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    margin-bottom: 16px;
    display: none;
}
.sd-alert.show { display: block; }
.sd-alert-error {
    background: #fff5f5;
    color: var(--red-dark);
    border: 1px solid #fed7d7;
}
.sd-alert-success {
    background: #f0fff4;
    color: #276749;
    border: 1px solid #c6f6d5;
}
.sd-alert-info {
    background: #ebf8ff;
    color: #2b6cb0;
    border: 1px solid #bee3f8;
}

/* ── Stat Card ── */
.sd-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}
.sd-stat-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--sp-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-slow);
}
.sd-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity var(--transition);
}
.sd-stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.sd-stat-card:hover::before {
    opacity: 1;
}
.sd-stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.sd-stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    letter-spacing: -0.03em;
}
.sd-stat-icon {
    position: absolute;
    top: var(--sp-5);
    right: var(--sp-5);
    font-size: 1.5rem;
    opacity: 0.4;
}

/* ── Empty State ── */
.sd-empty {
    text-align: center;
    padding: var(--sp-16) var(--sp-6);
    color: var(--text-muted);
}
.sd-empty-icon {
    font-size: 3.5rem;
    margin-bottom: var(--sp-5);
    opacity: 0.5;
}
.sd-empty-text {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: var(--sp-5);
    line-height: 1.7;
}

/* ── Loading Spinner ── */
.sd-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--purple);
    border-radius: 50%;
    animation: sdSpin 0.8s linear infinite;
}
.sd-spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}
@keyframes sdSpin {
    to { transform: rotate(360deg); }
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ── Footer ── */
.sd-footer {
    text-align: center;
    padding: var(--sp-8) var(--sp-6);
    color: var(--text-muted);
    font-size: 0.78rem;
    border-top: 1px solid var(--border-light);
    margin-top: var(--sp-10);
    letter-spacing: 0.01em;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .sd-page { padding: 16px; }
    .sd-navbar-inner { padding: 10px 16px; }
    .sd-navbar-tabs { display: none; }
    .sd-card { padding: var(--sp-5); }
    .sd-stat-grid { grid-template-columns: repeat(2, 1fr); }
    .sd-form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .sd-stat-grid { grid-template-columns: 1fr; }
    .sd-navbar-right { gap: 4px; }
    .sd-navbar-btn { padding: 6px 10px; font-size: 0.78rem; }
}

/* ============================================================
   Tap Feedback System — "Oxytocin UX"
   Ripple + Scale + Glow + Haptic
   Auto-applies to ALL interactive elements across all pages
   ============================================================ */

/* Ripple container */
button, a.plan-btn, a.auth-btn, .submit-button, .plan-btn,
.feature-card-wrap, .sd-btn, .sd-navbar-btn, .sd-navbar-tab,
.evidence-banner, .new-analysis-btn, .contact-link, .back-btn,
.showcase-card, .region-btn, .auth-btn, .eval-card, .eval-item,
[onclick] {
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
}

/* Ripple effect element */
.tap-ripple {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0) 70%);
    transform: scale(0);
    animation: rippleExpand 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    pointer-events: none;
    z-index: 10;
}

@keyframes rippleExpand {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    60% {
        opacity: 0.5;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

/* Tap scale — satisfying "click" feel */
.tap-active {
    animation: tapBounce 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

@keyframes tapBounce {
    0% { transform: scale(1); }
    30% { transform: scale(0.94); }
    60% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

/* Glow pulse on tap */
.tap-glow {
    animation: tapGlow 0.5s ease-out !important;
}

@keyframes tapGlow {
    0% { box-shadow: 0 0 0 0 rgba(124,58,237,0.5); }
    50% { box-shadow: 0 0 20px 8px rgba(124,58,237,0.2); }
    100% { box-shadow: 0 0 0 0 rgba(124,58,237,0); }
}

/* Success flash (for submit-type buttons) */
.tap-success {
    animation: successFlash 0.4s ease-out !important;
}

@keyframes successFlash {
    0% { filter: brightness(1); }
    30% { filter: brightness(1.2); }
    100% { filter: brightness(1); }
}