:root {
	--bg: #f4f5f7;
	--panel: #ffffff;
	--border: #e2e5ea;
	--text: #1f2430;
	--muted: #7a8290;
	--accent: #2f6fed;
	--accent-dark: #2457c5;
	--danger: #d23b3b;
}

* { box-sizing: border-box; }

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

.topbar {
	display: flex;
	align-items: center;
	gap: 2rem;
	padding: 0 1.5rem;
	height: 56px;
	background: var(--panel);
	border-bottom: 1px solid var(--border);
}

.topbar .brand { font-weight: 700; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; gap: 1.25rem; }
.topbar nav a { text-decoration: none; color: var(--muted); }
.topbar nav a:hover { color: var(--accent); }

.container {
	max-width: 1024px;
	margin: 2rem auto;
	padding: 0 1.5rem;
}

h1 { font-size: 1.5rem; margin: 0 0 1.25rem; }

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

/* Home cards */
.cards { list-style: none; padding: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.cards a {
	display: flex;
	flex-direction: column;
	gap: .25rem;
	padding: 1.25rem;
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: 10px;
	text-decoration: none;
	color: var(--text);
}
.cards a:hover { border-color: var(--accent); }
.cards span { color: var(--muted); font-size: .9rem; }

/* Tables */
table {
	width: 100%;
	border-collapse: collapse;
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: 10px;
	overflow: hidden;
}
th, td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #fafbfc; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
tr:last-child td { border-bottom: none; }
.right { text-align: right; }

/* Actions in a table row */
.actions { display: flex; gap: .75rem; align-items: center; }
td.actions.right { justify-content: flex-end; }
.actions a { color: var(--accent); text-decoration: none; }
.actions a:hover { text-decoration: underline; }
.actions form { margin: 0; }

/* Buttons */
.btn {
	display: inline-block;
	padding: .5rem .9rem;
	background: var(--accent);
	color: #fff;
	border: none;
	border-radius: 8px;
	text-decoration: none;
	font-size: .95rem;
	cursor: pointer;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn.secondary:hover { color: var(--text); }

.link {
	background: none;
	border: none;
	padding: 0;
	font: inherit;
	cursor: pointer;
	color: var(--accent);
}
.link:hover { text-decoration: underline; }
.link.danger { color: var(--danger); }

/* Forms */
.form { max-width: 480px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem; }
.field { margin-bottom: 1rem; display: flex; flex-direction: column; gap: .35rem; }
.field label { font-weight: 600; font-size: .9rem; }
.field input, .field select, .field textarea {
	padding: .55rem .65rem;
	border: 1px solid var(--border);
	border-radius: 8px;
	font: inherit;
	background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.field textarea { resize: vertical; }
.error { color: var(--danger); font-size: .85rem; }
.form .actions { margin-top: 1.25rem; }

/* Page-level banner, e.g. a delete blocked by a foreign key */
.banner { padding: .7rem .9rem; border-radius: 8px; margin: 0 0 1rem; }
.banner.error { background: #fdecec; border: 1px solid #f2b8b8; color: var(--danger); font-size: 1rem; }
.banner.success { background: #e9f7ef; border: 1px solid #b7e4c7; color: #1e7e46; font-size: 1rem; }