:root {
    --color-background: #050b1a;
    --color-surface: #0b1324;
    --color-border: rgba(148, 163, 184, 0.18);
    --color-text: #f3f4f6;
    --color-text-muted: #9ca3af;
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 18px 44px rgba(15, 23, 42, 0.35);
}

* {
    box-sizing: border-box;
}

body.app-body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-background);
    color: var(--color-text);
    min-height: 100vh;
}

.app-header {
    background: rgba(11, 19, 36, 0.9);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(14px);
}

.brand-copy .brand-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text);
    text-decoration: none;
}

.brand-copy .brand-subtitle {
    display: block;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-top: -2px;
}

.btn {
    font-weight: 500;
    border-radius: var(--radius-sm);
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-nav {
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 0.4rem 0.75rem;
}

.btn-nav:hover {
    color: var(--color-text);
}

.btn-soft-light {
    background: rgba(79, 70, 229, 0.12);
    border: 1px solid rgba(79, 70, 229, 0.24);
    color: var(--color-text);
}

.app-main {
    max-width: 1100px;
}

.app-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    padding: 2.1rem;
}

.app-card h1,
.app-card h2,
.app-card h3,
.app-card h4 {
    color: var(--color-text);
}

.app-card p {
    color: var(--color-text-muted);
}

.glass-alert {
    background: rgba(248, 113, 113, 0.14);
    color: #fca5a5;
    border: 1px solid rgba(248, 113, 113, 0.4);
    border-radius: var(--radius-sm);
}

.metric-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.4rem;
    background: rgba(13, 22, 42, 0.85);
    border-radius: var(--radius-md);
    border: 1px solid rgba(79, 70, 229, 0.22);
}

.metric-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(79, 70, 229, 0.15);
    color: #c7d2fe;
    font-size: 1.2rem;
}

.metric-label {
    display: block;
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    font-size: 1.55rem;
    font-weight: 600;
}

.metric-value.small-text {
    font-size: 1rem;
}

.badge-soft {
    background: rgba(79, 70, 229, 0.18);
    color: #c5c9ff;
    border-radius: 999px;
    padding: 0.32rem 0.75rem;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
}

.form-control,
.form-select {
    background: rgba(15, 23, 42, 0.9);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(47, 111, 237, 0.12);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.preview-box {
    background: rgba(13, 22, 42, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.2rem;
}

.table-links {
    background: rgba(13, 22, 42, 0.92);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.table-links .table {
    color: var(--color-text);
    margin-bottom: 0;
}

.table-links thead {
    background: rgba(79, 70, 229, 0.12);
    color: #cbd5f5;
}

.table-links tbody tr {
    border-bottom-color: #ebeff4;
}

.table-links tbody tr:hover {
    background: rgba(79, 70, 229, 0.12);
}

.toast-flash {
    position: fixed;
    right: 24px;
    top: 88px;
    z-index: 1080;
    min-width: 280px;
}

.app-footer {
    color: var(--color-text-muted);
}

a.link-muted {
    color: var(--color-primary);
    text-decoration: none;
}

a.link-muted:hover {
    color: var(--color-primary-dark);
}

@media (max-width: 768px) {
    .app-card {
        padding: 1.6rem;
    }

    .app-main {
        padding-inline: 1.25rem !important;
    }

    .brand-copy .brand-subtitle {
        display: none;
    }
}