*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f6fa;
    color: #222;
}

/* Layout */
.management-layout {
    display: flex;
    min-height: 100vh;
}

.management-main {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* Nav */
.management-nav {
    width: 220px;
    background: #1e2235;
    color: #cdd;
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    gap: 1rem;
    flex-shrink: 0;
}

.nav-brand a {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.nav-links li a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: #aab;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.15s;
}

.nav-links li a:hover,
.nav-links li a.active {
    background: #2e3453;
    color: #fff;
}

.nav-section {
    margin-top: 0.75rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #667;
}

.nav-footer a {
    color: #778;
    text-decoration: none;
    font-size: 0.9rem;
}

.nav-footer a:hover {
    color: #aab;
}

/* Headings */
h1 {
    margin-top: 0;
    font-size: 1.6rem;
}

/* Dashboard stats */
.dashboard-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 1.5rem 2rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 120px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #3a6fc8;
}

.stat-label {
    font-size: 0.85rem;
    color: #778;
    margin-top: 0.25rem;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.07);
    margin-top: 1.5rem;
}

.data-table th,
.data-table td {
    padding: 0.65rem 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background: #f0f2f8;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #556;
}

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

.data-table tr:hover td {
    background: #f8f9ff;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    background: #fff;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.15s, border-color 0.15s;
    text-decoration: none;
    color: #333;
}

.btn:hover { background: #f0f0f0; }

.btn-primary {
    background: #3a6fc8;
    color: #fff;
    border-color: #3a6fc8;
}

.btn-primary:hover { background: #2d5cac; border-color: #2d5cac; }

.btn-danger {
    background: #e74c3c;
    color: #fff;
    border-color: #e74c3c;
}

.btn-danger:hover { background: #c0392b; border-color: #c0392b; }

.btn-sm {
    padding: 0.25rem 0.6rem;
    font-size: 0.8rem;
    margin-right: 0.25rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid #3a6fc8;
    color: #3a6fc8;
    width: 100%;
    padding: 0.6rem;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-outline:hover { background: #eef3fb; }

/* Form panel */
.form-panel {
    background: #fff;
    border: 1px solid #dde;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    max-width: 480px;
}

.form-panel h3 { margin-top: 0; }

.form-panel label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #445;
}

.form-panel input,
.form-panel select {
    padding: 0.4rem 0.6rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 0.95rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Login page */
.login-page {
    max-width: 380px;
    margin: 8vh auto;
    background: #fff;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 2px 16px rgba(0,0,0,0.1);
    text-align: center;
}

.login-page h1 { margin-bottom: 0.5rem; }
.login-page p { color: #778; margin-bottom: 1.5rem; }

.login-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Color swatches */
.color-swatch {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 4px;
    border: 1px solid #ccc;
    margin-right: 3px;
    vertical-align: middle;
}

/* Sub-panel for nested management (roles / access per user) */
.sub-panel {
    background: #fff;
    border: 1px solid #dde;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    max-width: 640px;
}

.sub-panel h3 { margin-top: 0; }

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #eef3fb;
    border: 1px solid #cfe;
    border-radius: 12px;
    padding: 0.15rem 0.6rem;
    margin: 0.15rem 0.25rem 0.15rem 0;
    font-size: 0.85rem;
}

.tag button {
    border: none;
    background: transparent;
    color: #c0392b;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1;
    padding: 0;
}

.inline-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.inline-form select,
.inline-form input {
    padding: 0.35rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 0.9rem;
}

/* Error */
.error {
    color: #c0392b;
    background: #fdf0ee;
    border: 1px solid #e6b7b2;
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    margin: 0.75rem 0;
}

/* Blazor error UI */
#blazor-error-ui {
    background: #ffefc0;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0,0,0,0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}