html, body {
    margin: 0;
    padding: 0;
    background: #050505;
    color: #e0e0e0;
}

/* ── Vanguard Chess design system tokens (global) ───────────── */
:root {
    --bg:                  #050505;
    --surface:             #050505;
    --surface-low:         #0c0c0c;
    --surface-container:   #0e0e0e;
    --surface-high:        #121212;
    --surface-highest:     #161616;
    --surface-variant:     #1a1a1a;
    --on-surface:          #e0e0e0;
    --on-surface-var:      #888888;
    --outline:             #3c3c3c;
    --outline-var:         #1a1a1a;
    --primary:             #c5a059;
    --on-primary:          #000000;
    --primary-container:   #967433;
    --secondary:           #c5a059;
    --secondary-container: rgba(197, 160, 89, 0.12);
    --on-secondary-cont:   #c5a059;
    --tertiary:            #d7c949;
    --tertiary-container:  #baad2f;

    --font-display: 'Hanken Grotesk', sans-serif;
    --font-body:    'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;

    --radius-sm:   2px;
    --radius:      4px;
    --radius-lg:   8px;
    --radius-xl:   12px;
    --radius-full: 12px;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ── Auth Forms & Cards ──────────────────────────────────────── */
.vc-auth-container {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)), url('/_content/VanguardChess.Shared/images/vanguard_background_image.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--on-surface);
    font-family: var(--font-body);
    padding: 32px 16px;
    box-sizing: border-box;
}

.vc-auth-card {
    background: rgba(12, 12, 12, 0.8) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(197, 160, 89, 0.25) !important;
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    box-sizing: border-box;
}

.vc-auth-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.vc-auth-title {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary);
    margin: 8px 0 4px 0;
    text-align: center;
}

.vc-auth-subtitle {
    font-size: 14px;
    color: var(--on-surface-var);
    margin: 0;
    text-align: center;
}

.vc-auth-field {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.vc-auth-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--on-surface-var);
}

.vc-auth-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface-container);
    border: 1px solid var(--outline-var);
    border-radius: var(--radius);
    color: var(--on-surface);
    font-family: var(--font-body);
    font-size: 15px;
    box-sizing: border-box;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.vc-auth-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(160, 202, 255, 0.15);
}

.vc-auth-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--on-surface);
    cursor: pointer;
    user-select: none;
    margin-bottom: 20px;
}

.vc-auth-checkbox input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.vc-auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    color: var(--outline-var);
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.vc-auth-divider::before,
.vc-auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(139, 145, 156, 0.15);
}

.vc-auth-divider:not(:empty)::before { margin-right: 12px; }
.vc-auth-divider:not(:empty)::after { margin-left: 12px; }

.vc-auth-links {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.vc-auth-link {
    font-size: 14px;
    color: var(--primary);
    text-decoration: none;
    transition: color 0.15s;
}

.vc-auth-link:hover {
    color: var(--primary-container);
    text-decoration: underline;
}

.vc-auth-error {
    background: rgba(147, 0, 10, 0.2);
    border: 1px solid #ffb4ab;
    border-radius: var(--radius);
    padding: 12px 16px;
    color: #ffdad6;
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.4;
}

.vc-auth-btn-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ── Buttons (Global) ────────────────────────────────────────── */
.vc-btn {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 700;
    line-height: 24px;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transition: background 0.15s, opacity 0.15s;
    box-sizing: border-box;
    text-decoration: none;
}

.vc-btn-primary {
    background: var(--primary);
    color: var(--on-primary);
}

.vc-btn-primary:hover {
    background: var(--primary-container);
    color: #fff;
}

.vc-btn-outline {
    background: transparent;
    color: var(--on-surface);
    border: 1px solid var(--outline-var);
}

.vc-btn-outline:hover {
    background: var(--surface-variant);
}

.vc-btn-ghost {
    background: transparent;
    color: var(--on-surface-var);
    border: 1px solid var(--outline-var);
}

.vc-btn-ghost:hover {
    background: var(--surface-variant);
    color: var(--on-surface);
}

.vc-btn .material-symbols-outlined {
    font-size: 20px;
    font-variation-settings: 'FILL' 1;
}

@media (max-width: 768px) {
    .vc-auth-container {
        background-image: none;
        position: relative;
        z-index: 1;
    }
    .vc-auth-container::before {
        content: "";
        position: fixed;
        top: 50%;
        left: 50%;
        width: 100vh;
        height: 100vw;
        transform: translate(-50%, -50%) rotate(90deg);
        background-image: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)), url('/_content/VanguardChess.Shared/images/vanguard_background_image.jpeg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        z-index: -1;
        pointer-events: none;
    }
}