:root {
    color-scheme: dark;
    --bg: #08101c;
    --surface: #0d1726;
    --surface-2: #111d2e;
    --surface-3: #162337;
    --line: #30435f;
    --line-soft: #223149;
    --text: #f4f7fb;
    --text-2: #d8e0eb;
    --muted: #8ea0b8;
    --accent: #4ea8ff;
    --accent-2: #78bfff;
    --good: #4ade80;
    --bad: #fb7185;
    --warning: #fbbf24;
    --shadow: 0 14px 34px rgba(0, 0, 0, .22);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
}

body {
    margin: 0;
    font-size: 15px;
    background:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
        var(--bg);
    background-size: 28px 28px;
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
    font: inherit;
}

button {
    color: inherit;
}

.app {
    min-height: 100vh;
    padding-bottom: 78px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 64px;
    padding: 10px 20px;
    border-bottom: 1px solid var(--line);
    background: rgba(8, 16, 28, .94);
    backdrop-filter: blur(14px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--accent);
    border-radius: 9px;
    color: var(--accent-2);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .08em;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    color: var(--text);
    font-size: 15px;
}

.brand small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
}

.top-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.btn {
    min-height: 36px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 13px;
    background: var(--surface-2);
    color: var(--text-2);
    cursor: pointer;
    font-weight: 750;
}

.btn:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--text);
}

.btn.primary {
    border-color: var(--accent);
    background: var(--accent);
    color: #04101c;
}

.btn.ghost {
    background: transparent;
}

.btn:disabled {
    opacity: .4;
    cursor: not-allowed;
}