/* style.css */

:root {
    --primary:     #2563eb;
    --primary-h:   #1d4ed8;
    --success:     #16a34a;
    --success-h:   #15803d;
    --danger:      #dc2626;
    --danger-h:    #b91c1c;
    --warning:     #d97706;
    --warning-h:   #b45309;
    --bg:          #f8fafc;
    --surface:     #ffffff;
    --border:      #e2e8f0;
    --text:        #1e293b;
    --text-muted:  #64748b;
    --radius:      8px;
    --shadow:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:   0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

/* ── Layout ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

header .container {
    display: flex;
    align-items: center;
    gap: 16px;
}

header h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    margin-left: auto;
}

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

main { padding: 32px 0; }

/* ── Cards ── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f8fafc;
}

.card-header h2 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body { padding: 20px; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, transform .1s;
    white-space: nowrap;
}

.btn:active { transform: scale(.97); }

.btn-primary   { background: var(--primary);  color: #fff; }
.btn-primary:hover  { background: var(--primary-h); }

.btn-success   { background: var(--success);  color: #fff; }
.btn-success:hover  { background: var(--success-h); }

.btn-danger    { background: var(--danger);   color: #fff; }
.btn-danger:hover   { background: var(--danger-h);  }

.btn-warning   { background: var(--warning);  color: #fff; }
.btn-warning:hover  { background: var(--warning-h); }

.btn-secondary { background: #e2e8f0; color: var(--text); }
.btn-secondary:hover { background: #cbd5e1; }

.btn-icon {
    padding: 6px 8px;
    font-size: 15px;
    line-height: 1;
}

.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── Forms ── */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 5px; }

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .4px;
}

.form-control {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text);
    background: var(--surface);
    transition: border-color .15s, box-shadow .15s;
    width: 100%;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

textarea.form-control { resize: vertical; min-height: 80px; }

/* ── Tables ── */
.table-wrapper { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead tr {
    background: #f1f5f9;
    border-bottom: 2px solid var(--border);
}

th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .4px;
}

td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr:hover { background: #f8fafc; }
tbody tr:last-child td { border-bottom: none; }

td input.form-control, td select.form-control {
    padding: 5px 8px;
    font-size: 13px;
}

/* ── Alerts ── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.alert-danger  { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.alert-info    { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }

/* ── Badge ── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 600;
}

.badge-primary { background: #dbeafe; color: #1e40af; }
.badge-success { background: #dcfce7; color: #166534; }

/* ── Info-Box ── */
.info-box {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: var(--radius);
    padding: 14px 18px;
    font-size: 13px;
    color: #1e40af;
    margin-bottom: 20px;
}

.info-box strong { display: block; margin-bottom: 4px; }

/* ── Actions row ── */
.actions { display: flex; gap: 6px; align-items: center; }

/* ── Empty state ── */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state .icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }