:root {
    --color-primary: #0b5fa5;
    --color-primary-dark: #08477c;
    --color-bg: #f4f6f9;
    --color-card: #ffffff;
    --color-border: #dde3ea;
    --color-text: #1f2933;
    --color-muted: #6b7785;
    --color-danger: #c0392b;
    --color-success: #1e824c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

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

.topbar {
    background: var(--color-primary-dark);
    color: #fff;
}
.topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.brand { font-size: 1.25rem; font-weight: 700; color: #fff; }
.topnav a {
    color: #dce8f5;
    margin-left: 18px;
    font-size: 0.95rem;
}
.topnav a:hover { color: #fff; }

.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}
.page-header h1 { margin: 0; font-size: 1.6rem; }

.flash-container { margin-bottom: 16px; }
.flash {
    padding: 10px 16px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 0.95rem;
}
.flash-error { background: #fdecea; color: var(--color-danger); border: 1px solid #f5c6c0; }
.flash-success { background: #eaf6ee; color: var(--color-success); border: 1px solid #c3e6cb; }

.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: #fff;
    color: var(--color-text);
    cursor: pointer;
    font-size: 0.9rem;
}
.btn:hover { background: #f0f2f5; text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary { background: #fff; }
.btn-danger { background: #fff; color: var(--color-danger); border-color: #f0b8b0; }
.btn-danger:hover { background: #fdecea; }
.btn-small { padding: 4px 10px; font-size: 0.82rem; }

.search-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}
.search-bar input[type="text"] {
    flex: 1;
    max-width: 380px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
}

.table-wrap {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow-x: auto;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}
.data-table th, .data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}
.data-table th {
    background: #f8fafc;
    color: var(--color-muted);
    font-weight: 600;
    white-space: nowrap;
}
.data-table tr:hover { background: #f8fbff; }
.data-table .empty { text-align: center; color: var(--color-muted); padding: 30px; }
.row-actions { white-space: nowrap; }
.row-actions form { display: inline; }

.record-form {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 24px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.form-field-wide { grid-column: 1 / -1; }
.form-field label {
    display: block;
    margin-bottom: 4px;
    font-size: 0.85rem;
    color: var(--color-muted);
}
.form-field input, .form-field select, .form-field textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
}
.form-field input[readonly] { background: #f0f2f5; color: var(--color-muted); }
.form-actions { margin-top: 20px; display: flex; gap: 10px; }
.meta-info { color: var(--color-muted); font-size: 0.85rem; margin-top: -8px; margin-bottom: 16px; }

.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}
.login-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 36px;
    width: 100%;
    max-width: 360px;
    box-shadow: 0 10px 30px rgba(15, 40, 70, 0.08);
}
.login-card h1 { margin: 0 0 4px; font-size: 1.4rem; color: var(--color-primary-dark); }
.login-card .subtitle { margin: 0 0 20px; color: var(--color-muted); font-size: 0.9rem; }
.login-card label { display: block; margin: 14px 0 4px; font-size: 0.85rem; color: var(--color-muted); }
.login-card input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 1rem;
}
.login-card button {
    margin-top: 22px;
    width: 100%;
    padding: 10px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
}
.login-card button:hover { background: var(--color-primary-dark); }

@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
}