:root {
    --navy: #1B2A4A;
    --navy-dark: #121d35;
    --turquoise: #2DD4BF;
    --turquoise-dark: #14b8a6;
    --light-gray: #F4F6F8;
    --border: #E2E6EA;
    --danger: #D64545;
    --text: #22304A;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--light-gray);
    color: var(--text);
    font-family: 'DM Sans', -apple-system, Segoe UI, Arial, sans-serif;
}

h1, h2, h3 { font-family: 'Playfair Display', Georgia, serif; color: var(--navy); margin: 0 0 .5rem; }

a { color: var(--turquoise-dark); }

.page { max-width: 960px; margin: 0 auto; padding: 2rem 1.25rem; }

.center-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 8px 24px rgba(27, 42, 74, 0.06);
}

.card.narrow { width: 100%; max-width: 380px; }

.topbar {
    background: var(--navy);
    color: #fff;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar .brand { font-family: 'Playfair Display', Georgia, serif; font-size: 1.25rem; }

.topbar a { color: var(--turquoise); text-decoration: none; font-weight: 600; }

label { display: block; font-weight: 600; margin: 1rem 0 .35rem; font-size: .9rem; }

input[type=text], input[type=password], input[type=url], textarea, select {
    width: 100%;
    padding: .65rem .75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

textarea { min-height: 90px; resize: vertical; }

button, .btn {
    display: inline-block;
    background: var(--turquoise);
    color: var(--navy-dark);
    border: none;
    padding: .65rem 1.25rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    font-size: .95rem;
}

button:hover, .btn:hover { background: var(--turquoise-dark); color: #fff; }

.btn-secondary { background: var(--light-gray); color: var(--navy); border: 1px solid var(--border); }
.btn-danger { background: var(--danger); color: #fff; }

.full-width { width: 100%; margin-top: 1.25rem; }

.error {
    background: #FDECEC;
    color: var(--danger);
    border: 1px solid #F3C6C6;
    padding: .75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: .9rem;
}

.notice {
    background: #E6FBF8;
    color: var(--navy);
    border: 1px solid #BEF0EA;
    padding: .75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: .9rem;
}

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: .75rem .9rem; border-bottom: 1px solid var(--border); font-size: .92rem; }
th { background: var(--navy); color: #fff; font-weight: 600; }
tr:last-child td { border-bottom: none; }

.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.actions form { display: inline; }

.material-card {
    background: #fff;
    border: 1px solid var(--border);
    border-left: 4px solid var(--turquoise);
    border-radius: 10px;
    padding: 1.1rem 1.25rem;
    margin-bottom: 1rem;
}

.material-card h3 { margin-bottom: .25rem; font-size: 1.1rem; }
.material-card p { margin: .35rem 0; }
.muted { color: #6b7688; font-size: .85rem; }

.top-actions { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; flex-wrap: wrap; gap: .75rem; }

.badge { display: inline-block; padding: .2rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.badge.active { background: #E6FBF8; color: #0F766E; }
.badge.inactive { background: #FDECEC; color: var(--danger); }