:root {
    --bg: #f1f5f9;
    --panel: #ffffff;
    --panel-2: #f8fafc;
    --border: #e2e8f0;
    --text: #1e293b;
    --muted: #64748b;
    --primary: #2563eb;
    --primary-h: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);
}

* { 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;
}

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

/* ---------- Login ---------- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.login-box {
    width: 100%;
    max-width: 380px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    box-shadow: var(--shadow);
}
.login-box h1 { font-size: 1.3rem; margin: 0 0 4px; }
.muted { color: var(--muted); }

/* ---------- Topbar ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    box-shadow: var(--shadow);
}
.brand { font-weight: 700; }
.nav { display: flex; gap: 16px; flex: 1; }
.nav a { color: var(--text); }
.user-area { display: flex; align-items: center; gap: 12px; }
.user-name small { color: var(--muted); }
.inline { display: inline; margin: 0; }

/* ---------- Layout ---------- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}
.footer {
    text-align: center;
    color: var(--muted);
    padding: 24px;
}
.page-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-head h2 { margin: 0; }

/* ---------- Cards / grid ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 16px; }
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
}
.card .num { font-size: 2rem; font-weight: 700; }
.card .lbl { color: var(--muted); }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

/* ---------- Forms ---------- */
form label {
    display: block;
    margin-bottom: 14px;
    font-size: .92rem;
}
input, select, textarea {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: .95rem;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0 20px;
}
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.checkbox-row input { width: auto; margin: 0; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: .92rem;
    cursor: pointer;
    background: var(--panel-2);
    color: var(--text);
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-sm { padding: 6px 10px; font-size: .82rem; }
.btn-block { width: 100%; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: .85rem; }
tbody tr:hover { background: var(--panel-2); }

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
}
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved { background: #dcfce7; color: #166534; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-none { background: #e2e8f0; color: #334155; }
.badge-sms_sent { background: #dbeafe; color: #1d4ed8; }

/* ---------- Alerts ---------- */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}
.alert-error, .alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

.dl { display: grid; grid-template-columns: 200px 1fr; gap: 8px 16px; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; }