:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --border: #e5e7eb;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
    background: linear-gradient(180deg, #eef4ff 0%, var(--bg) 220px);
    color: var(--text);
}

.page { min-height: 100vh; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.brand { font-weight: 700; font-size: 18px; }

.topbar nav {
    display: flex;
    gap: 16px;
    align-items: center;
}

.topbar a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
}

.user-chip {
    background: #e0e7ff;
    color: #3730a3;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 14px;
}

.content {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 20px 48px;
}

.hero, .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.hero h1, .card h1 {
    margin-top: 0;
}

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

.button, button.button {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    border: 0;
    border-radius: 10px;
    padding: 12px 18px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

.button:hover, button.button:hover {
    background: var(--accent-dark);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-grid label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-weight: 600;
}

.form-grid .full { grid-column: 1 / -1; }

input, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    font: inherit;
}

.actions { grid-column: 1 / -1; }

.flash {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 10px;
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

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

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

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th {
    font-size: 14px;
    color: var(--muted);
}

@media (max-width: 720px) {
    .form-grid { grid-template-columns: 1fr; }
    .topbar { flex-direction: column; gap: 12px; align-items: flex-start; }
}