:root {
    color-scheme: light;

    --font-sans: "Manrope", "Aptos", "Segoe UI Variable", "Bahnschrift", "Trebuchet MS", sans-serif;
    --font-mono: "JetBrains Mono", "Cascadia Mono", "Consolas", monospace;

    --bg-0: #e9f2fa;
    --bg-1: #d6e4f3;
    --surface-0: #ffffff;
    --surface-1: #f3f8fe;
    --surface-2: #e8f0fa;

    --text-0: #12233d;
    --text-1: #4f647f;

    --primary-500: #0f75d4;
    --primary-600: #0d60ad;
    --primary-700: #0a4b84;

    --success-600: #117f57;
    --warning-600: #a4691c;
    --danger-600: #c43a49;

    --border-0: #bfd1e6;
    --border-1: #d3e0ef;

    --radius-xs: 0.35rem;
    --radius-sm: 0.6rem;
    --radius-md: 0.95rem;
    --radius-lg: 1.3rem;
    --radius-pill: 999px;

    --shadow-sm: 0 10px 26px rgba(15, 35, 61, 0.08);
    --shadow-md: 0 18px 40px rgba(15, 35, 61, 0.14);

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;

    --container-max: 1200px;
    --control-h: 2.6rem;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    font-family: var(--font-sans);
    line-height: 1.45;
    color: var(--text-0);
    background:
        radial-gradient(circle at 14% 18%, rgba(15, 117, 212, 0.2) 0%, rgba(15, 117, 212, 0) 32%),
        radial-gradient(circle at 88% -6%, rgba(76, 149, 221, 0.24) 0%, rgba(76, 149, 221, 0) 32%),
        linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
}

img,
svg,
canvas {
    display: block;
    max-width: 100%;
}

a {
    color: var(--primary-700);
    text-underline-offset: 0.2em;
}

/* a:hover {
    color: var(--primary-500);
} */

code,
pre,
kbd,
samp {
    font-family: var(--font-mono);
}

.ui-container,
.ui-section {
    width: min(var(--container-max), calc(100% - 2rem));
    margin-inline: auto;
}

.ui-stack > * + * {
    margin-top: var(--space-4);
}

.ui-cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.ui-grid {
    display: grid;
    gap: var(--space-4);
}

.ui-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ui-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ui-card {
    border: 1px solid var(--border-0);
    background: var(--surface-0);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4);
}

.ui-panel {
    border: 1px solid var(--border-1);
    background: rgba(255, 255, 255, 0.94);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.ui-divider {
    height: 1px;
    border: 0;
    margin: var(--space-5) 0;
    background: linear-gradient(90deg, rgba(191, 209, 230, 0) 0%, rgba(191, 209, 230, 1) 20%, rgba(191, 209, 230, 1) 80%, rgba(191, 209, 230, 0) 100%);
}

.ui-title-xl {
    margin: 0;
    font-size: clamp(1.95rem, 4vw, 3.1rem);
    line-height: 1.08;
    letter-spacing: 0.01em;
    font-weight: 800;
}

.ui-title-lg {
    margin: 0;
    font-size: clamp(1.35rem, 2.7vw, 1.95rem);
    line-height: 1.18;
    font-weight: 760;
}

.ui-title-md {
    display: inline;
    margin: 0;
    font-size: clamp(1.1rem, 2.2vw, 1.4rem);
    line-height: 1.22;
    font-weight: 720;
}

.ui-text-muted {
    color: var(--text-1);
}

.ui-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: var(--control-h);
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    padding: 0.45rem 1rem;
    font: inherit;
    font-size: 0.92rem;
    font-weight: 680;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease, background-color 0.12s ease;
}

.ui-btn:hover {
    transform: translateY(-1px);
}

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

.ui-btn:disabled,
.ui-btn[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.7;
    filter: grayscale(0.24);
}

.ui-btn--primary {
    color: #ffffff;
    background: linear-gradient(180deg, var(--primary-500) 0%, var(--primary-600) 100%);
    box-shadow: 0 9px 20px rgba(15, 117, 212, 0.26);
}

.ui-btn--primary:hover {
    box-shadow: 0 13px 22px rgba(15, 117, 212, 0.34);
}

.ui-btn--secondary {
    color: var(--text-0);
    border-color: var(--border-0);
    background: #ffffff;
}

.ui-btn--ghost {
    color: var(--primary-700);
    border-color: #b3cae3;
    background: #ecf4ff;
}

.ui-field {
    display: grid;
    gap: 0.35rem;
}

.ui-label {
    margin: 0;
    color: var(--text-0);
    font-size: 0.88rem;
    font-weight: 640;
}

.ui-input,
.ui-select,
.ui-textarea {
    width: 100%;
    min-height: var(--control-h);
    border: 1px solid var(--border-0);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text-0);
    font: inherit;
    font-size: 0.94rem;
    padding: 0.45rem 0.72rem;
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.ui-textarea {
    min-height: 8rem;
    resize: vertical;
}

.ui-input:focus,
.ui-select:focus,
.ui-textarea:focus {
    outline: none;
    border-color: #78a7dd;
    box-shadow: 0 0 0 4px rgba(15, 117, 212, 0.14);
}

.ui-badge {
    display: inline-flex;
    align-items: center;
    min-height: 1.75rem;
    padding: 0.12rem 0.62rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    font-size: 0.76rem;
    font-weight: 740;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.ui-badge--primary {
    color: var(--primary-700);
    border-color: #b8d3f2;
    background: #e8f2ff;
}

.ui-badge--success {
    color: #0d6f4b;
    border-color: #b8e5d2;
    background: #e9f8f1;
}

.ui-badge--warning {
    color: #845715;
    border-color: #ecd7ae;
    background: #fff8eb;
}

.ui-alert {
    border-radius: var(--radius-md);
    padding: 0.7rem 0.85rem;
    border: 1px solid transparent;
    font-size: 0.9rem;
}

.ui-alert--info {
    background: #edf5ff;
    border-color: #c4dcf7;
    color: #214f86;
}

.ui-alert--success {
    background: #ebf8f1;
    border-color: #c1e8d5;
    color: #1d6845;
}

.ui-alert--warning {
    background: #fff7e8;
    border-color: #ecd9af;
    color: #825615;
}

.ui-table-wrap {
    overflow: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-1);
}

.ui-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    font-size: 0.9rem;
}

.ui-table th,
.ui-table td {
    border-bottom: 1px solid var(--border-1);
    padding: 0.55rem 0.65rem;
    text-align: left;
}

.ui-table th {
    color: var(--text-0);
    background: var(--surface-2);
    font-weight: 700;
}

.ui-table tr:hover td {
    background: var(--surface-1);
}

.u-text-center {
    text-align: center;
}

.u-muted {
    color: var(--text-1);
}

.u-hidden {
    display: none !important;
}

.u-w-full {
    width: 100%;
}

.u-mt-2 {
    margin-top: var(--space-2);
}

.u-mt-4 {
    margin-top: var(--space-4);
}

.u-mt-6 {
    margin-top: var(--space-6);
}

@media (max-width: 900px) {
    .ui-grid-2,
    .ui-grid-3 {
        grid-template-columns: 1fr;
    }

    .ui-container,
    .ui-section {
        width: calc(100% - 1.2rem);
    }
}