/* API Combat Game — Premium Design System */

/* ─── Typography ─── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

body {
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    transition: background-color 0.3s, color 0.3s;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Premium Typography ─── */
.display-xl {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.display-lg {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.display-md {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.label-muted {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--md-sys-color-on-surface-variant);
}

/* ─── Cards (enhanced M3) ─── */
.md3-card {
    background: var(--md-sys-color-surface-container-low);
    border-radius: var(--md-sys-shape-corner-large);
    box-shadow: var(--md-sys-elevation-1);
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.md3-card-elevated {
    background: var(--md-sys-color-surface-container-low);
    border-radius: var(--md-sys-shape-corner-large);
    box-shadow: var(--md-sys-elevation-2);
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.md3-card-outlined {
    background: var(--md-sys-color-surface);
    border-radius: var(--md-sys-shape-corner-large);
    border: 1px solid var(--md-sys-color-outline-variant);
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

/* ─── Glass Card ─── */
.glass-card {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(24px) saturate(1.6);
    -webkit-backdrop-filter: blur(24px) saturate(1.6);
    border-radius: var(--md-sys-shape-corner-extra-large);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.dark .glass-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.dark .glass-card:hover {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

/* ─── Hero Section ─── */
.hero-section {
    position: relative;
    overflow: hidden;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(139, 92, 246, 0.1), transparent),
        radial-gradient(ellipse 50% 40% at 20% 80%, rgba(59, 130, 246, 0.08), transparent);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

.dark .hero-section::before {
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.25), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(139, 92, 246, 0.15), transparent),
        radial-gradient(ellipse 50% 40% at 20% 80%, rgba(59, 130, 246, 0.12), transparent);
}

@keyframes heroGlow {
    0% { opacity: 1; transform: scale(1); }
    100% { opacity: 0.7; transform: scale(1.05); }
}

/* Mesh grid overlay for hero */
.hero-mesh {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}

.dark .hero-mesh {
    background-image:
        linear-gradient(rgba(165, 200, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(165, 200, 255, 0.06) 1px, transparent 1px);
}

/* ─── Gradient Text ─── */
.gradient-text {
    background: linear-gradient(135deg, #2563eb, #7c3aed, #3b82f6);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 6s ease-in-out infinite;
}

.dark .gradient-text {
    background: linear-gradient(135deg, #a5c8ff, #c4b5fd, #93c5fd);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ─── Glow Button ─── */
.btn-glow {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    font-family: inherit;
}

.btn-glow:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.35);
}

.btn-glow:active {
    transform: translateY(0);
}

.dark .btn-glow:hover {
    box-shadow: 0 8px 32px rgba(165, 200, 255, 0.2);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    border-radius: 12px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, background-color 0.15s ease;
    background: transparent;
    color: var(--md-sys-color-on-surface);
    border: 1px solid var(--md-sys-color-outline-variant);
    font-family: inherit;
}

.btn-ghost:hover {
    transform: translateY(-1px);
    background: var(--md-sys-color-surface-container);
}

/* ─── Code Window ─── */
.code-window {
    background: #0d1117;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}

.code-window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-window-dot.red { background: #ff5f57; }
.code-window-dot.yellow { background: #ffbd2e; }
.code-window-dot.green { background: #28c840; }

.code-window-title {
    margin-left: 8px;
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    color: rgba(255, 255, 255, 0.35);
}

.code-window pre {
    padding: 1.5rem 1.75rem;
    margin: 0;
    overflow-x: auto;
}

.code-window code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.8125rem;
    line-height: 1.7;
    color: #e6edf3;
}

/* Syntax colors */
.code-window .code-comment { color: #8b949e; }
.code-window .code-keyword { color: #ff7b72; }
.code-window .code-string { color: #a5d6ff; }
.code-window .code-url { color: #79c0ff; }
.code-window .code-flag { color: #d2a8ff; }

/* ─── Bento Grid ─── */
.bento-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
}

.bento-item {
    padding: 2rem;
    border-radius: var(--md-sys-shape-corner-extra-large);
    background: var(--md-sys-color-surface-container-low);
    border: 1px solid var(--md-sys-color-outline-variant);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.bento-item:hover {
    transform: translateY(-2px);
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.08);
}

.dark .bento-item:hover {
    box-shadow: 0 8px 32px rgba(165, 200, 255, 0.06);
}

.bento-item-lg {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .bento-item-lg {
        grid-column: span 1;
    }
}

.bento-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent);
    color: var(--md-sys-color-primary);
    margin-bottom: 1rem;
}

/* ─── Feature Badge ─── */
.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    background: color-mix(in srgb, var(--md-sys-color-primary) 10%, transparent);
    color: var(--md-sys-color-primary);
    border: 1px solid color-mix(in srgb, var(--md-sys-color-primary) 20%, transparent);
}

/* ─── Auth Pages ─── */
.auth-backdrop {
    position: relative;
    min-height: calc(100vh - 4rem);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-backdrop::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(37, 99, 235, 0.08), transparent),
        radial-gradient(ellipse 40% 40% at 100% 50%, rgba(139, 92, 246, 0.06), transparent);
}

.dark .auth-backdrop::before {
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(37, 99, 235, 0.15), transparent),
        radial-gradient(ellipse 40% 40% at 100% 50%, rgba(139, 92, 246, 0.1), transparent);
}

.auth-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    border-radius: var(--md-sys-shape-corner-extra-large);
    background: var(--md-sys-color-surface-container-lowest);
    border: 1px solid var(--md-sys-color-outline-variant);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.08);
}

.dark .auth-card {
    background: var(--md-sys-color-surface-container);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
}

/* ─── Navigation ─── */
.nav-glass {
    background: color-mix(in srgb, var(--md-sys-color-surface) 85%, transparent);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    transition: background-color 0.3s, border-color 0.3s;
}

.dark .nav-glass {
    background: color-mix(in srgb, var(--md-sys-color-surface) 80%, transparent);
    border-color: rgba(255, 255, 255, 0.06);
}

/* ─── Pricing Card ─── */
.pricing-card {
    padding: 2.5rem 2rem;
    border-radius: var(--md-sys-shape-corner-extra-large);
    background: var(--md-sys-color-surface-container-low);
    border: 1px solid var(--md-sys-color-outline-variant);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

.dark .pricing-card:hover {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.pricing-card-featured {
    border-color: var(--md-sys-color-primary);
    border-width: 2px;
    position: relative;
    background: color-mix(in srgb, var(--md-sys-color-primary) 4%, var(--md-sys-color-surface-container-low));
}

.pricing-card-featured::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, var(--md-sys-color-primary), #7c3aed);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* ─── Stat Number ─── */
.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--md-sys-color-on-surface);
}

.stat-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    margin-top: 0.25rem;
}

/* ─── Footer ─── */
.footer-modern {
    border-top: 1px solid var(--md-sys-color-outline-variant);
    background: var(--md-sys-color-surface-container-lowest);
}

.dark .footer-modern {
    background: var(--md-sys-color-surface-container-lowest);
    border-color: rgba(255, 255, 255, 0.06);
}

/* ─── Smooth Link Underline ─── */
.link-underline {
    position: relative;
    text-decoration: none;
    color: inherit;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--md-sys-color-primary);
    border-radius: 1px;
    transition: width 0.2s ease;
}

.link-underline:hover::after {
    width: 100%;
}

/* ═══════════════════════════════════════════════════
   Preserved M3 Component Library (used across site)
   ═══════════════════════════════════════════════════ */

/* ─── Alerts ─── */
.md3-alert {
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 1rem;
    border-left: 4px solid;
}

.md3-alert-error {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
    border-color: var(--md-sys-color-error);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 1rem;
    border-left: 4px solid var(--md-sys-color-error);
}

.md3-alert-success {
    background: color-mix(in srgb, #22c55e 10%, var(--md-sys-color-surface));
    color: var(--md-sys-color-on-surface);
    border-color: #22c55e;
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 1rem;
    border-left: 4px solid #22c55e;
}

.md3-alert-warning {
    background: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-on-tertiary-container);
    border-color: var(--md-sys-color-tertiary);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 1rem;
    border-left: 4px solid var(--md-sys-color-tertiary);
}

.md3-alert-info {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border-color: var(--md-sys-color-primary);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 1rem;
    border-left: 4px solid var(--md-sys-color-primary);
}

/* ─── Tables ─── */
.md3-table {
    width: 100%;
    border-collapse: collapse;
}

.md3-table thead {
    background: var(--md-sys-color-surface-container-highest);
}

.md3-table th {
    padding: 0.75rem 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--md-sys-color-on-surface-variant);
}

.md3-table td {
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    color: var(--md-sys-color-on-surface);
}

.md3-table tbody tr:hover {
    background: var(--md-sys-color-surface-container);
}

/* ─── Badges ─── */
.md3-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.md3-badge-primary {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

.md3-badge-secondary {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}

.md3-badge-tertiary {
    background: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-on-tertiary-container);
}

.md3-badge-error {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
}

/* ─── Buttons ─── */
.md3-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    padding: 0.625rem 1.5rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.15s ease, opacity 0.15s ease;
    white-space: nowrap;
    font-family: inherit;
}

.md3-btn:disabled {
    opacity: 0.38;
    cursor: default;
    pointer-events: none;
}

.md3-btn-filled {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.25rem;
    padding: 0.625rem 1.5rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.15s ease;
    white-space: nowrap;
    font-family: inherit;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

.md3-btn-filled:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}
.md3-btn-filled:active { transform: translateY(0); box-shadow: none; }
.md3-btn-filled:disabled { opacity: 0.38; cursor: default; pointer-events: none; }

.dark .md3-btn-filled:hover {
    box-shadow: 0 6px 20px rgba(165, 200, 255, 0.15);
}

.md3-btn-filled.btn-error {
    background: var(--md-sys-color-error);
    color: var(--md-sys-color-on-error);
}

.md3-btn-filled.btn-error:hover {
    box-shadow: 0 6px 20px rgba(186, 26, 26, 0.3);
}

.md3-btn-filled.btn-error-soft {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
}

.md3-btn-outlined {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    padding: 0.625rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
    white-space: nowrap;
    font-family: inherit;
    background: transparent;
    color: var(--md-sys-color-primary);
    border: 1px solid var(--md-sys-color-outline);
}

.md3-btn-outlined:hover {
    background: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent);
    border-color: var(--md-sys-color-primary);
    transform: translateY(-1px);
}
.md3-btn-outlined:disabled { opacity: 0.38; cursor: default; pointer-events: none; }

.md3-btn-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    padding: 0.625rem 0.75rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease;
    white-space: nowrap;
    font-family: inherit;
    background: transparent;
    color: var(--md-sys-color-primary);
}

.md3-btn-text:hover { background: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent); }
.md3-btn-text:disabled { opacity: 0.38; cursor: default; pointer-events: none; }
.md3-btn-text.btn-error { color: var(--md-sys-color-error); }
.md3-btn-text.btn-error:hover { background: color-mix(in srgb, var(--md-sys-color-error) 8%, transparent); }

.md3-btn-tonal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    padding: 0.625rem 1.5rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.15s ease;
    white-space: nowrap;
    font-family: inherit;
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}

.md3-btn-tonal:hover {
    transform: translateY(-1px);
    box-shadow: var(--md-sys-elevation-1);
}
.md3-btn-tonal:disabled { opacity: 0.38; cursor: default; pointer-events: none; }

.md3-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    transition: background-color 0.15s;
    padding: 0;
    font-family: inherit;
}

.md3-btn-icon:hover { background: color-mix(in srgb, var(--md-sys-color-on-surface-variant) 8%, transparent); }

/* Full-width override */
.md3-btn-filled.w-full,
.md3-btn-outlined.w-full,
.md3-btn-text.w-full,
.md3-btn-tonal.w-full { width: 100%; }

/* ─── Material Symbols ─── */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

.icon-sm { font-size: 18px; }
.icon-xs { font-size: 14px; width: 14px; height: 14px; }
.icon-lg { font-size: 32px; width: 32px; height: 32px; }
.icon-xl { font-size: 48px; }

/* ─── Form Inputs ─── */
.md3-input {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--md-sys-color-on-surface);
    background: transparent;
    border: 1px solid var(--md-sys-color-outline);
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

.md3-input:focus {
    border-color: var(--md-sys-color-primary);
    border-width: 2px;
    padding: calc(0.875rem - 1px) calc(1rem - 1px);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent);
}

.md3-input::placeholder { color: var(--md-sys-color-on-surface-variant); }

.md3-input-wrapper {
    position: relative;
}

.md3-input-wrapper label {
    position: absolute;
    top: -0.5rem;
    left: 0.75rem;
    padding: 0 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    background: var(--md-sys-color-surface-container-low);
    z-index: 1;
}

.md3-input-wrapper:focus-within label {
    color: var(--md-sys-color-primary);
}

.md3-card .md3-input-wrapper label,
.md3-card-elevated .md3-input-wrapper label {
    background: var(--md-sys-color-surface-container-low);
}

.auth-card .md3-input-wrapper label {
    background: var(--md-sys-color-surface-container-lowest);
}

.dark .auth-card .md3-input-wrapper label {
    background: var(--md-sys-color-surface-container);
}

/* ─── Select ─── */
.md3-select {
    display: block;
    width: 100%;
    padding: 0.875rem 2.5rem 0.875rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--md-sys-color-on-surface);
    background-color: transparent;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%2379747e' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.5rem;
    border: 1px solid var(--md-sys-color-outline);
    border-radius: 10px;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    font-family: inherit;
    cursor: pointer;
}

.md3-select:focus {
    border-color: var(--md-sys-color-primary);
    border-width: 2px;
    padding: calc(0.875rem - 1px) calc(2.5rem - 1px) calc(0.875rem - 1px) calc(1rem - 1px);
}

/* ─── Checkbox ─── */
.md3-checkbox {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--md-sys-color-primary);
    cursor: pointer;
}

/* ─── Progress Bar ─── */
.md3-progress {
    display: block;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--md-sys-color-surface-container-highest);
    overflow: hidden;
    position: relative;
}

.md3-progress-bar {
    height: 100%;
    border-radius: 2px;
    background: var(--md-sys-color-primary);
    transition: width 0.3s ease;
    min-width: 0;
}

/* ─── Chips ─── */
.md3-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--md-sys-color-outline);
    font-size: 0.75rem;
    color: var(--md-sys-color-on-surface);
    background: transparent;
    white-space: nowrap;
}

.md3-chip-sm {
    padding: 0.125rem 0.5rem;
    font-size: 0.7rem;
    height: 24px;
}

/* ─── Divider ─── */
.md3-divider {
    border: none;
    border-top: 1px solid var(--md-sys-color-outline-variant);
    margin: 0;
}

/* ─── Hero class colors ─── */
.hero-warrior { --hero-accent: #dc2626; --hero-bg: color-mix(in srgb, #dc2626 12%, var(--md-sys-color-surface)); }
.hero-mage { --hero-accent: #7c3aed; --hero-bg: color-mix(in srgb, #7c3aed 12%, var(--md-sys-color-surface)); }
.hero-tank { --hero-accent: #2563eb; --hero-bg: color-mix(in srgb, #2563eb 12%, var(--md-sys-color-surface)); }
.hero-healer { --hero-accent: #059669; --hero-bg: color-mix(in srgb, #059669 12%, var(--md-sys-color-surface)); }
.hero-assassin { --hero-accent: #d97706; --hero-bg: color-mix(in srgb, #d97706 12%, var(--md-sys-color-surface)); }
.hero-ranger { --hero-accent: #0d9488; --hero-bg: color-mix(in srgb, #0d9488 12%, var(--md-sys-color-surface)); }
.hero-default { --hero-accent: var(--md-sys-color-primary); --hero-bg: var(--md-sys-color-primary-container); }

/* ─── Stat card hover ─── */
.stat-card {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--md-sys-elevation-3);
}

/* ─── Validation ─── */
.field-validation-error {
    color: var(--md-sys-color-error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ─── Code blocks ─── */
pre code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.8125rem;
    line-height: 1.7;
}

/* ─── Page transition ─── */
main {
    animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Notification badge ─── */
.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-size: 0.625rem;
    font-weight: 700;
    line-height: 1;
    color: var(--md-sys-color-on-error);
    background: var(--md-sys-color-error);
    border-radius: 9999px;
}

/* ─── Navigation active state ─── */
.nav-link-active {
    color: var(--md-sys-color-primary);
    border-bottom: 2px solid var(--md-sys-color-primary);
}

.nav-link-inactive {
    color: var(--md-sys-color-on-surface-variant);
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-link-inactive:hover {
    color: var(--md-sys-color-on-surface);
    border-bottom-color: var(--md-sys-color-outline-variant);
}

/* ─── Dark mode card visibility ─── */
.dark .md3-card,
.dark .md3-card-elevated {
    border: 1px solid var(--md-sys-color-outline-variant);
}

/* ─── Tonal stat cards ─── */
.stat-card-xp {
    border-left: 3px solid var(--md-sys-color-primary);
    background: color-mix(in srgb, var(--md-sys-color-primary) 8%, var(--md-sys-color-surface-container-low));
}

.stat-card-currency {
    border-left: 3px solid var(--md-sys-color-tertiary);
    background: color-mix(in srgb, var(--md-sys-color-tertiary) 8%, var(--md-sys-color-surface-container-low));
}

.stat-card-rating {
    border-left: 3px solid var(--md-sys-color-secondary);
    background: color-mix(in srgb, var(--md-sys-color-secondary) 8%, var(--md-sys-color-surface-container-low));
}

.stat-card-achievement {
    border-left: 3px solid #22c55e;
    background: color-mix(in srgb, #22c55e 8%, var(--md-sys-color-surface-container-low));
}

/* ─── Custom Scrollbar ─── */
html {
    scroll-behavior: smooth;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--md-sys-color-outline-variant);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--md-sys-color-outline);
}

/* ─── Selection ─── */
::selection {
    background: color-mix(in srgb, var(--md-sys-color-primary) 30%, transparent);
    color: var(--md-sys-color-on-surface);
}

/* ═══════════════════════════════════════════════════
   Dashboard — Game HUD
   ═══════════════════════════════════════════════════ */

/* ─── Player Status Bar ─── */
.dash-status-bar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem 1.5rem;
    border-radius: var(--md-sys-shape-corner-extra-large);
    background: var(--md-sys-color-surface-container-low);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.dark .dash-status-bar {
    border-color: rgba(255, 255, 255, 0.08);
}

.dash-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.dash-player-info {
    flex: 1;
    min-width: 0;
}

.dash-player-name {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--md-sys-color-on-surface);
    line-height: 1.2;
}

.dash-player-meta {
    font-size: 0.8125rem;
    color: var(--md-sys-color-on-surface-variant);
    margin-top: 0.125rem;
}

.dash-xp-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--md-sys-color-surface-container-highest);
    overflow: hidden;
    margin-top: 0.625rem;
}

.dash-xp-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--md-sys-color-primary), #7c3aed);
    transition: width 0.4s ease;
}

.dash-stats-row {
    display: flex;
    gap: 1.25rem;
    flex-shrink: 0;
}

.dash-stat {
    text-align: center;
    min-width: 60px;
}

.dash-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--md-sys-color-on-surface);
    line-height: 1;
}

.dash-stat-label {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    margin-top: 0.125rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.dash-tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.dash-tier-free {
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface-variant);
}

.dash-tier-premium {
    background: color-mix(in srgb, var(--md-sys-color-primary) 15%, transparent);
    color: var(--md-sys-color-primary);
}

.dash-tier-premiumplus {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(124, 58, 237, 0.15));
    color: #7c3aed;
}

.dark .dash-tier-premiumplus {
    color: #c4b5fd;
}

/* ─── API (Arena Power Index) Tier Badges ─── */
.api-tier-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 8px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    white-space: nowrap;
    cursor: default;
}

.api-tier-rubberduck {
    background: color-mix(in srgb, #a8a29e 15%, transparent);
    color: #78716c;
}

.api-tier-copypasta {
    background: color-mix(in srgb, #60a5fa 12%, transparent);
    color: #3b82f6;
}

.api-tier-codemonkey {
    background: color-mix(in srgb, #34d399 12%, transparent);
    color: #059669;
}

.api-tier-bughunter {
    background: color-mix(in srgb, #f59e0b 12%, transparent);
    color: #d97706;
}

.api-tier-10x {
    background: color-mix(in srgb, #f97316 12%, transparent);
    color: #ea580c;
}

.api-tier-wizard {
    background: color-mix(in srgb, #a78bfa 15%, transparent);
    color: #7c3aed;
}

.api-tier-arch {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(124, 58, 237, 0.12));
    color: #7c3aed;
}

.dark .api-tier-rubberduck { color: #a8a29e; }
.dark .api-tier-copypasta { color: #93c5fd; }
.dark .api-tier-codemonkey { color: #6ee7b7; }
.dark .api-tier-bughunter { color: #fcd34d; }
.dark .api-tier-10x { color: #fdba74; }
.dark .api-tier-wizard { color: #c4b5fd; }
.dark .api-tier-arch { color: #c4b5fd; }

/* ─── Dashboard Grid ─── */
.dash-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 1rem;
}

@media (max-width: 1024px) {
    .dash-grid {
        grid-template-columns: 1fr;
    }
}

/* ─── Dashboard Panel ─── */
.dash-panel {
    padding: 1.25rem 1.5rem;
    border-radius: var(--md-sys-shape-corner-extra-large);
    background: var(--md-sys-color-surface-container-low);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.dark .dash-panel {
    border-color: rgba(255, 255, 255, 0.08);
}

.dash-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.dash-panel-title {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--md-sys-color-on-surface-variant);
}

/* ─── Battle Hub ─── */
.battle-hub {
    position: relative;
    overflow: hidden;
    border-color: color-mix(in srgb, var(--md-sys-color-primary) 30%, var(--md-sys-color-outline-variant));
    background: color-mix(in srgb, var(--md-sys-color-primary) 3%, var(--md-sys-color-surface-container-low));
}

.dark .battle-hub {
    border-color: color-mix(in srgb, var(--md-sys-color-primary) 25%, rgba(255, 255, 255, 0.08));
    background: color-mix(in srgb, var(--md-sys-color-primary) 5%, var(--md-sys-color-surface-container-low));
}

.battle-hub::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 100% 0%, rgba(37, 99, 235, 0.08), transparent),
        radial-gradient(ellipse 40% 60% at 0% 100%, rgba(124, 58, 237, 0.04), transparent);
    pointer-events: none;
}

.dark .battle-hub::before {
    background:
        radial-gradient(ellipse 60% 80% at 100% 0%, rgba(165, 200, 255, 0.06), transparent),
        radial-gradient(ellipse 40% 60% at 0% 100%, rgba(196, 181, 253, 0.03), transparent);
}

.battle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    font-family: inherit;
}

.battle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.35);
}

.dark .battle-btn:hover {
    box-shadow: 0 8px 32px rgba(165, 200, 255, 0.2);
}

/* ─── Streak Strip ─── */
.streak-strip {
    display: flex;
    gap: 0.375rem;
}

.streak-day {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem 0.25rem;
    border-radius: 10px;
    transition: background-color 0.15s ease;
}

.streak-day-claimed {
    background: color-mix(in srgb, var(--md-sys-color-primary) 10%, transparent);
}

.streak-day-today {
    background: color-mix(in srgb, #facc15 15%, transparent);
    box-shadow: inset 0 0 0 2px #facc15;
}

.streak-day-num {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
}

.streak-day-unclaimed .streak-day-num {
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface-variant);
}

.streak-day-claimed .streak-day-num {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

.streak-day-today .streak-day-num {
    background: #facc15;
    color: #713f12;
}

.streak-day-reward {
    font-size: 0.625rem;
    font-weight: 500;
    margin-top: 0.25rem;
    color: var(--md-sys-color-on-surface-variant);
}

.streak-day-claimed .streak-day-reward {
    color: var(--md-sys-color-primary);
}

.streak-day-today .streak-day-reward {
    color: #a16207;
    font-weight: 700;
}

.dark .streak-day-today .streak-day-reward {
    color: #facc15;
}

/* ─── Challenge Row ─── */
.challenge-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0;
}

.challenge-row + .challenge-row {
    border-top: 1px solid var(--md-sys-color-outline-variant);
}

.challenge-status {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.challenge-info {
    flex: 1;
    min-width: 0;
}

.challenge-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    line-height: 1.3;
}

.challenge-desc {
    font-size: 0.6875rem;
    color: var(--md-sys-color-on-surface-variant);
    margin-top: 0.125rem;
}

.challenge-progress-bar {
    height: 4px;
    border-radius: 2px;
    background: var(--md-sys-color-surface-container-highest);
    overflow: hidden;
    margin-top: 0.375rem;
}

.challenge-progress-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--md-sys-color-primary);
    transition: width 0.3s ease;
}

.challenge-progress-fill.complete {
    background: #22c55e;
}

.challenge-reward {
    flex-shrink: 0;
    text-align: right;
}

.challenge-reward-text {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface-variant);
}

/* ─── Hero Mini Card ─── */
.hero-mini-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

@media (min-width: 1280px) {
    .hero-mini-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.hero-mini-card {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
    border-radius: 12px;
    background: var(--hero-bg);
    border-left: 3px solid var(--hero-accent);
    transition: transform 0.15s ease;
}

.hero-mini-card:hover {
    transform: translateY(-1px);
}

.hero-mini-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.06);
    flex-shrink: 0;
}

.dark .hero-mini-icon {
    background: rgba(255, 255, 255, 0.06);
}

.hero-mini-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-mini-class {
    font-size: 0.625rem;
    color: var(--hero-accent);
    font-weight: 500;
}

.hero-mini-mastery {
    font-size: 0.5625rem;
    font-weight: 700;
    color: #facc15;
}

/* ─── Guild Compact ─── */
.guild-tag-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    font-size: 0.8125rem;
    font-weight: 700;
    flex-shrink: 0;
}

.boss-hp-bar {
    height: 8px;
    border-radius: 4px;
    background: var(--md-sys-color-surface-container-highest);
    overflow: hidden;
}

.boss-hp-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, #dc2626, #f97316);
    transition: width 0.4s ease;
}

/* ─── Achievement Compact ─── */
.achievement-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    font-size: 0.6875rem;
    font-weight: 600;
}

/* ─── Quick Actions Bar ─── */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.quick-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    background: var(--md-sys-color-surface-container-low);
    border: 1px solid var(--md-sys-color-outline-variant);
    color: var(--md-sys-color-on-surface);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    transition: transform 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
    white-space: nowrap;
}

.quick-action:hover {
    transform: translateY(-1px);
    border-color: var(--md-sys-color-primary);
    background: color-mix(in srgb, var(--md-sys-color-primary) 6%, var(--md-sys-color-surface-container-low));
}

/* ─── Fire Streak Icons ─── */
.fire-streak {
    display: inline-flex;
    gap: 2px;
}

.fire-icon {
    font-size: 18px;
}

.fire-icon.hot {
    color: #ef4444;
}

.fire-icon.warm {
    color: #f97316;
}

.fire-streak-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface-variant);
    align-self: center;
    margin-left: 0.25rem;
}

/* ─── Responsive status bar ─── */
@media (max-width: 768px) {
    .dash-status-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .dash-stats-row {
        justify-content: space-around;
    }

    .hero-mini-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-mini-grid {
        grid-template-columns: 1fr;
    }
}

/* ─── Empty State ─── */
.dash-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem 1rem;
}

.dash-empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 0.75rem;
}

.dash-empty-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    margin-bottom: 0.25rem;
}

.dash-empty-desc {
    font-size: 0.75rem;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.5;
    max-width: 240px;
}

.dash-empty-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.75rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    background: color-mix(in srgb, var(--md-sys-color-primary) 10%, transparent);
    color: var(--md-sys-color-primary);
    transition: background-color 0.15s ease;
}

.dash-empty-cta:hover {
    background: color-mix(in srgb, var(--md-sys-color-primary) 16%, transparent);
}

/* ─── Panel visual tiers (subtle differentiation) ─── */
.dash-panel-secondary {
    background: var(--md-sys-color-surface-container-lowest);
}

.dark .dash-panel-secondary {
    background: var(--md-sys-color-surface-container);
}