:root {
    --bs-body-font-family: 'Space Grotesk', 'Segoe UI', 'Trebuchet MS', sans-serif;
    --bs-font-monospace: 'IBM Plex Mono', 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
    --bs-primary: #2563eb;
    --bs-primary-rgb: 37, 99, 235;
    --bs-link-color: #1d4ed8;
    --bs-link-hover-color: #1e40af;
    --app-radius-lg: 1rem;
    --app-card-shadow: 0 20px 45px rgba(15, 23, 42, 0.1);
    --app-text: #0f172a;
    --app-muted: #475569;
    --app-accent: #2563eb;
    --app-danger: #dc3545;
    --app-surface: rgba(255, 255, 255, 0.82);
    --app-surface-strong: #ffffff;
    --app-table-head-bg: rgba(37, 99, 235, 0.08);
    --app-table-hover-bg: rgba(14, 116, 144, 0.08);
    --app-ring: rgba(37, 99, 235, 0.18);
    --app-border: rgba(71, 85, 105, 0.24);
    --app-footer-bg: rgba(241, 245, 249, 0.75);
}

[data-bs-theme='dark'] {
    --bs-body-bg: #030711;
    --bs-body-color: #e2e8f0;
    --bs-card-bg: #081325;
    --bs-card-border-color: rgba(148, 163, 184, 0.2);
    --bs-border-color: rgba(148, 163, 184, 0.24);
    --bs-border-color-translucent: rgba(148, 163, 184, 0.2);
    --bs-heading-color: #f8fafc;
    --bs-link-color: #93c5fd;
    --bs-link-hover-color: #bfdbfe;
    --app-text: #e2e8f0;
    --app-muted: #94a3b8;
    --app-accent: #60a5fa;
    --app-danger: #f87171;
    --app-surface: rgba(8, 19, 37, 0.74);
    --app-surface-strong: rgba(8, 19, 37, 0.92);
    --app-table-head-bg: rgba(37, 99, 235, 0.24);
    --app-table-hover-bg: rgba(96, 165, 250, 0.12);
    --app-ring: rgba(96, 165, 250, 0.25);
    --app-border: rgba(148, 163, 184, 0.28);
    --app-footer-bg: rgba(3, 16, 36, 0.72);
    --app-card-shadow: 0 24px 60px rgba(2, 6, 23, 0.45);
}

body {
    background:
        radial-gradient(circle at 8% 0%, rgba(14, 165, 233, 0.16), transparent 35%),
        radial-gradient(circle at 90% 8%, rgba(37, 99, 235, 0.16), transparent 36%),
        radial-gradient(circle at 52% 100%, rgba(2, 132, 199, 0.1), transparent 42%),
        var(--bs-body-bg);
    color: var(--app-text);
    min-height: 100vh;
}

main {
    position: relative;
    z-index: 1;
}

main .container {
    max-width: 1120px;
}

@media (prefers-reduced-motion: no-preference) {
    main .container > * {
        animation: app-rise-in 0.36s ease both;
    }

    main .container > *:nth-child(2) {
        animation-delay: 0.05s;
    }

    main .container > *:nth-child(3) {
        animation-delay: 0.09s;
    }
}

@keyframes app-rise-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar {
    backdrop-filter: blur(12px);
    background: linear-gradient(125deg, rgba(248, 250, 252, 0.88), rgba(241, 245, 249, 0.76));
    border-color: var(--app-border);
    position: relative;
    z-index: 1200;
}

[data-bs-theme='dark'] .navbar.bg-body-tertiary {
    background: linear-gradient(135deg, rgba(8, 19, 37, 0.92), rgba(12, 28, 56, 0.86));
    border-color: rgba(96, 165, 250, 0.28);
    box-shadow: 0 12px 38px rgba(2, 6, 23, 0.45);
}

.navbar .nav-link {
    color: var(--app-muted);
    font-weight: 500;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus-visible {
    color: var(--app-text);
}

.navbar .nav-link.active {
    color: var(--app-text);
    font-weight: 600;
}

.brand-logo {
    height: 40px;
    width: auto;
}

.navbar-actions .btn {
    white-space: nowrap;
}

.guest-locale-switch {
    gap: 0.4rem;
    margin-left: 0.35rem;
}

.guest-theme-nav-item {
    margin-left: 0.6rem;
    padding-left: 0.6rem;
    border-left: 1px solid var(--bs-border-color);
}

.guest-theme-switch {
    margin: 0;
}

.guest-nav-icon {
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bs-border-color);
    border-radius: 999px;
    background: var(--app-surface);
    color: var(--app-text);
    line-height: 1;
    text-decoration: none;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.guest-flag-icon {
    width: 1.1rem;
    height: 0.82rem;
    display: block;
    border-radius: 0.12rem;
    object-fit: cover;
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.12);
}

.guest-flag-fallback {
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.guest-nav-icon:hover,
.guest-nav-icon:focus-visible {
    color: var(--app-text);
    border-color: rgba(var(--bs-primary-rgb), 0.56);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
    transform: translateY(-1px);
    text-decoration: none;
}

.guest-nav-icon.active {
    border-color: rgba(var(--bs-primary-rgb), 0.72);
    box-shadow: 0 0 0 0.2rem var(--app-ring);
}

.guest-theme-toggle {
    padding: 0;
    cursor: pointer;
    width: 2.15rem;
    height: 2.15rem;
    border-radius: 0.65rem;
    border-color: rgba(var(--bs-primary-rgb), 0.5);
    background: linear-gradient(140deg, rgba(37, 99, 235, 0.2), rgba(2, 132, 199, 0.18));
    box-shadow: 0 9px 18px rgba(37, 99, 235, 0.18);
}

.guest-theme-toggle:hover,
.guest-theme-toggle:focus-visible {
    border-color: rgba(var(--bs-primary-rgb), 0.72);
    box-shadow: 0 12px 22px rgba(37, 99, 235, 0.24);
}

[data-bs-theme='dark'] .guest-theme-nav-item {
    border-left-color: rgba(148, 163, 184, 0.36);
}

[data-bs-theme='dark'] .guest-nav-icon.guest-theme-toggle {
    border-color: rgba(96, 165, 250, 0.6);
    background: linear-gradient(140deg, rgba(30, 64, 175, 0.5), rgba(8, 145, 178, 0.42));
    box-shadow: 0 10px 22px rgba(14, 116, 144, 0.32);
}

[data-bs-theme='dark'] .guest-nav-icon {
    background: rgba(15, 23, 42, 0.74);
    border-color: rgba(148, 163, 184, 0.34);
}

[data-bs-theme='dark'] .guest-flag-icon {
    box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.3);
}

.navbar-credit-status {
    border: 1px solid var(--bs-border-color);
    border-radius: 0.9rem;
    background: var(--app-surface);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
    min-width: 180px;
}

.navbar-credit-value {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

[data-bs-theme='dark'] .navbar-credit-status {
    background: rgba(15, 23, 42, 0.66);
    border-color: rgba(148, 163, 184, 0.34);
    box-shadow: inset 0 1px 0 rgba(148, 163, 184, 0.12);
}

@media (max-width: 991.98px) {
    .navbar-credit-status {
        width: 100%;
    }

    .guest-locale-switch {
        margin: 0.25rem 0 0;
    }

    .guest-theme-switch {
        margin: 0;
    }

    .guest-theme-nav-item {
        margin: 0.25rem 0 0;
        padding-left: 0;
        border-left: 0;
    }
}

.btn {
    border-radius: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #0284c7);
    border-color: #1d4ed8;
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: linear-gradient(135deg, #1d4ed8, #0369a1);
    border-color: #1e3a8a;
}

[data-bs-theme='dark'] .btn-primary {
    box-shadow: 0 12px 30px rgba(14, 116, 144, 0.3);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus-visible {
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.15);
}

.form-control,
.form-select {
    border-radius: 0.75rem;
    border-color: var(--bs-border-color);
    background: var(--app-surface);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: rgba(var(--bs-primary-rgb), 0.6);
    box-shadow: 0 0 0 0.24rem var(--app-ring);
}

[data-bs-theme='dark'] .form-control,
[data-bs-theme='dark'] .form-select {
    background: rgba(15, 23, 42, 0.76);
}