:root {
    --bg: #0c0f15;
    --surface: #141923;
    --surface-2: #1b2230;
    --border: #273144;
    --text: #edf2f7;
    --muted: #93a1b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --green: #10b981;
    --amber: #f59e0b;
    --red: #ef4444;
    --purple: #8b5cf6;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 20px;
}

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 17px;
    font-weight: 700;
}

.brand-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px var(--green);
}

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

.tabs {
    display: flex;
    gap: 8px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--surface);
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 9px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
}

.tab-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 16px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 16px;
}

.card h2, .card h3 {
    margin: 0 0 12px 0;
    font-size: 16px;
}

.stat-label { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.stat-value { font-size: 24px; font-weight: 700; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}

label.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--muted);
    font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
select,
textarea {
    width: 100%;
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 9px 11px;
    font-size: 13px;
    font-family: inherit;
}

textarea { min-height: 86px; resize: vertical; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.btn {
    background: var(--accent);
    color: #fff;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn:hover { background: var(--accent-hover); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-ghost { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-danger { background: rgba(239, 68, 68, 0.16); color: #fca5a5; border-color: rgba(239, 68, 68, 0.4); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-ok { background: rgba(16, 185, 129, 0.16); color: #6ee7b7; border-color: rgba(16, 185, 129, 0.4); }

.copy-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    margin-bottom: 10px;
}

.copy-box code {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.tier-low { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.35); }
.tier-medium { background: rgba(59, 130, 246, 0.15); color: #93c5fd; border: 1px solid rgba(59, 130, 246, 0.35); }
.tier-high { background: rgba(245, 158, 11, 0.15); color: #fcd34d; border: 1px solid rgba(245, 158, 11, 0.35); }
.tier-extra { background: rgba(139, 92, 246, 0.18); color: #c4b5fd; border: 1px solid rgba(139, 92, 246, 0.4); }
.badge-off { background: rgba(239, 68, 68, 0.14); color: #fca5a5; }
.badge-on { background: rgba(16, 185, 129, 0.14); color: #6ee7b7; }

.provider-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 10px;
}

.key-row, .model-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 8px 10px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 8px;
}

.muted { color: var(--muted); font-size: 12px; }
.err-text { color: #fca5a5; font-size: 12px; }
.ok-text { color: #6ee7b7; font-size: 12px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 26px;
}

.toast {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background: var(--surface-2);
    border: 1px solid var(--accent);
    color: var(--text);
    padding: 10px 14px;
    border-radius: 8px;
    display: none;
    z-index: 999;
    max-width: 360px;
}

.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; }
.checkbox-row input { width: auto; }
pre.output-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 360px;
    overflow: auto;
    font-size: 13px;
}