:root {
    --bg: #0f1115;
    --panel: #171923;
    --panel-2: #1e2130;
    --text: #e4e7ef;
    --muted: #9aa2b2;
    --brand: #6aa6ff;
    --ok: #36d399;
    --warn: #fbbf24;
    --danger: #f87272;
    --border: #2a2f3f;
}

:root.light {
    --bg: #f7f8fb;
    --panel: #ffffff;
    --panel-2: #f1f4fb;
    --text: #101323;
    --muted: #5b6173;
    --brand: #336dff;
    --ok: #0ea371;
    --warn: #b7791f;
    --danger: #dc2626;
    --border: #e6e8ef;
}

* {
    box-sizing: border-box
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%
}

body {
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px
}

.app-header {
    position: sticky;
    top: 0;
    background: rgba(15, 17, 21, .75);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    z-index: 10
}

:root.light .app-header {
    background: rgba(255, 255, 255, .8)
}

.app-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px
}

.logo {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--brand), #8bd6ff);
    display: grid;
    place-items: center;
    color: white;
    font-weight: 700
}

.app-header h1 {
    font-size: 18px;
    margin: 0
}

.actions {
    display: flex;
    gap: 8px
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    margin: 18px 0;
    box-shadow: 0 6px 24px rgba(0, 0, 0, .15)
}

.card.muted {
    background: var(--panel-2)
}

.card h2 {
    margin: 6px 0 16px 0;
    font-size: 20px
}

.card h3 {
    margin: 6px 0 10px 0
}

.grid {
    display: grid;
    gap: 16px
}

.grid.two {
    grid-template-columns: 1fr 1fr
}

.grid.three {
    grid-template-columns: repeat(3, 1fr)
}

.grid.compact {
    align-items: end
}

@media (max-width:900px) {

    .grid.two,
    .grid.three {
        grid-template-columns: 1fr
    }
}

.label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px
}

.label-sm {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 12px;
    color: var(--muted)
}

input[type="number"],
input[type="text"],
select,
input[type="file"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--panel-2);
    color: var(--text);
}

.hint {
    font-size: 12px;
    color: var(--muted);
    margin-top: 6px
}

.align-end {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border);
    background: var(--panel-2);
    color: var(--text);
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: .15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, .2)
}

.btn.primary {
    background: linear-gradient(135deg, var(--brand), #8bd6ff);
    color: #0c1220;
    border-color: transparent;
    font-weight: 700
}

.btn-ghost {
    background: transparent
}

.summary {
    margin-top: 12px;
    color: var(--muted)
}

.progress {
    height: 10px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
    margin-top: 12px
}

.progress .bar {
    height: 100%;
    background: linear-gradient(90deg, var(--brand), #8bd6ff)
}

.status {
    margin-top: 10px;
    color: var(--muted)
}

.metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 12px
}

.metric {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px
}

.metric .k {
    color: var(--muted);
    margin-right: 6px
}

.metric .v {
    font-weight: 700
}

.preview {
    max-height: 220px;
    overflow: auto;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px
}

.footer {
    border-top: 1px solid var(--border);
    margin-top: 24px
}

.footer .container {
    padding: 16px 20px;
    color: var(--muted);
    font-size: 14px
}