:root {
    --bg: #eef3ea;
    --bg-accent: #d7e7df;
    --panel: #ffffff;
    --ink: #1b2a2e;
    --ink-muted: #5c6d70;
    --line: #d9e2da;
    --primary: #0f766e;
    --primary-soft: #d5eeeb;
    --warn: #e36414;
    --ok: #2b8a3e;
    --danger: #c0392b;
    --shadow: 0 10px 30px rgba(27, 42, 46, 0.08);
    --radius: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 0 0, rgba(15, 118, 110, 0.13), transparent 35%),
        radial-gradient(circle at 100% 0, rgba(227, 100, 20, 0.08), transparent 28%),
        linear-gradient(180deg, var(--bg) 0%, #f8faf7 60%, #f4f7f2 100%);
    min-height: 100vh;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

.topbar {
    border-bottom: 1px solid rgba(27, 42, 46, 0.08);
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.8);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.brand {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--ink);
}

.menu {
    display: flex;
    gap: 18px;
    font-weight: 600;
}

.page {
    padding: 26px 0 64px;
}

.hero {
    border-radius: calc(var(--radius) + 4px);
    box-shadow: var(--shadow);
    background: linear-gradient(135deg, #13343a, #0f766e 58%, #2b8a3e);
    color: #fff;
    padding: 32px;
    margin-bottom: 24px;
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 740px;
}

.grid {
    display: grid;
    gap: 18px;
}

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

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

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.2;
}

h1 {
    margin-bottom: 14px;
    font-size: clamp(1.35rem, 2.4vw, 2rem);
}

h2 {
    margin-bottom: 12px;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
}

h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
}

p,
li {
    color: var(--ink-muted);
    line-height: 1.6;
}

.form-row {
    display: grid;
    gap: 12px;
    margin-bottom: 14px;
}

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

label {
    font-size: 0.93rem;
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
}

input,
textarea,
select {
    width: 100%;
    font: inherit;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px 12px;
}

textarea {
    min-height: 110px;
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
    outline: 2px solid rgba(15, 118, 110, 0.22);
    border-color: var(--primary);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox input {
    width: auto;
}

.btn,
button {
    border: none;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    border-radius: 999px;
    padding: 10px 16px;
    cursor: pointer;
    transition: transform 0.12s ease, opacity 0.15s ease;
}

.btn:hover,
button:hover {
    transform: translateY(-1px);
    opacity: 0.94;
    text-decoration: none;
}

.btn.secondary {
    background: #2f3e40;
}

.btn.warn {
    background: var(--warn);
}

.btn.ghost {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.flash {
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 12px;
    border: 1px solid;
    font-weight: 600;
}

.flash-success {
    color: #185f28;
    background: #e2f4e5;
    border-color: #a9d8b3;
}

.flash-error {
    color: #7c1f16;
    background: #fde8e6;
    border-color: #f5b5ad;
}

.flash-info {
    color: #0d4f56;
    background: #e4f4f6;
    border-color: #b0d9de;
}

.status {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 5px 10px;
}

.status.open {
    background: #dff6ec;
    color: #1f6a3c;
}

.status.closed {
    background: #fbe7d8;
    color: #8d4d1d;
}

.meta {
    display: grid;
    gap: 6px;
    margin-bottom: 14px;
}

.kv {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 8px;
}

.muted {
    color: var(--ink-muted);
}

table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
}

th,
td {
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    padding: 10px;
    font-size: 0.92rem;
}

th {
    background: #f4f8f5;
}

tr:last-child td {
    border-bottom: none;
}

.footer {
    border-top: 1px solid rgba(27, 42, 46, 0.08);
    color: var(--ink-muted);
    font-size: 0.9rem;
    padding: 16px 0 26px;
}

.stack {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.help {
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
    background: #f4f8f5;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 2px 7px;
}

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

    .kv {
        grid-template-columns: 1fr;
    }

    .topbar-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    table,
    thead,
    tbody,
    th,
    td,
    tr {
        display: block;
    }

    th {
        position: sticky;
        top: 0;
    }

    td {
        border-bottom: 1px solid var(--line);
        padding-top: 6px;
        padding-bottom: 12px;
    }
}