:root {
    --bg: #eef3ff;
    --bg-alt: #f8fbff;
    --card: #ffffff;
    --line: #d7e0f5;
    --ink: #1a2742;
    --muted: #5f6f92;
    --primary: #0d7f56;
    --primary-hover: #0a6a47;
    --secondary: #2161f5;
    --secondary-hover: #1d53d2;
    --danger: #c0392b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 15% 10%, #d9f1ff 0%, transparent 35%),
        radial-gradient(circle at 80% 5%, #fbe6d0 0%, transparent 30%),
        linear-gradient(160deg, var(--bg), var(--bg-alt));
}

.page {
    max-width: 1080px;
    margin: 22px auto;
    padding: 0 14px;
    display: grid;
    gap: 14px;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 8px 26px rgba(29, 52, 88, 0.08);
}

.card-head h1 {
    margin: 0;
    font-size: 1.55rem;
}

.sub {
    margin: 4px 0 8px;
    color: var(--muted);
}

.balance {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 10px;
    background: #edf5ff;
    border: 1px solid #d2e5ff;
    color: #22457d;
    font-weight: 600;
}

.grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    margin-top: 12px;
}

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

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

label span {
    display: block;
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 6px;
}

input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 11px 10px;
    font-size: 0.96rem;
    color: var(--ink);
    background: #fff;
}

input:focus {
    border-color: #7ca5ff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.btn {
    border: 0;
    border-radius: 10px;
    color: #fff;
    padding: 11px 16px;
    font-weight: 600;
    cursor: pointer;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.primary {
    background: var(--primary);
}

.primary:hover {
    background: var(--primary-hover);
}

.secondary {
    background: var(--secondary);
}

.secondary:hover {
    background: var(--secondary-hover);
}

.ghost {
    background: #7a899e;
}

.ghost:hover {
    background: #69788d;
}

.toast {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #d8e5ff;
    background: #eff6ff;
    color: #1e40af;
}

.toast.err {
    border-color: #f3c4bd;
    background: #fdecea;
    color: var(--danger);
}

.hidden {
    display: none;
}

.logs h2 {
    margin-top: 0;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    border-bottom: 1px solid var(--line);
    padding: 8px;
    font-size: 0.86rem;
}

tr.ok td {
    background: #f5fff6;
}

tr.err td {
    background: #fff5f4;
}

@media (max-width: 920px) {
    .cols-2,
    .cols-3,
    .grid {
        grid-template-columns: 1fr;
    }
}