:root {
    --bg: #f5f6fa;
    --surface: #ffffff;
    --border: #e3e5ec;
    --text: #1c1f2b;
    --text-muted: #6b7080;
    --primary: #3457d5;
    --primary-dark: #2743ab;
    --success: #1a9c6d;
    --success-bg: #e7f7f0;
    --warning: #b8791a;
    --warning-bg: #fdf3e2;
    --danger: #c53030;
    --danger-bg: #fbeaea;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.5;
}

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

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    row-gap: 10px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    min-height: 60px;
}

.topbar .brand {
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
    white-space: nowrap;
}

.topbar .brand span { color: var(--primary); }

.topbar nav { display: flex; flex-wrap: wrap; row-gap: 8px; gap: 14px; align-items: center; }
.topbar nav a { color: var(--text-muted); font-weight: 500; font-size: 13.5px; white-space: nowrap; }
.topbar nav a.active, .topbar nav a:hover { color: var(--primary); text-decoration: none; }

.topbar .user-menu { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; font-size: 14px; color: var(--text-muted); white-space: nowrap; }

.container { max-width: 1100px; margin: 0 auto; padding: 28px 24px 60px; }
.container.narrow { max-width: 460px; }

h1 { font-size: 24px; margin: 0 0 20px; }
h2 { font-size: 18px; margin: 0 0 14px; }
.subtitle { color: var(--text-muted); margin: -14px 0 20px; font-size: 14px; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 20px;
}

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 720px) {
    .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; }
}

.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat .label { color: var(--text-muted); font-size: 13px; margin-bottom: 6px; }
.stat .value { font-size: 26px; font-weight: 700; }
.stat .value.positive { color: var(--success); }
.stat .value.negative { color: var(--danger); }

label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 6px; color: var(--text); }
label:first-child { margin-top: 0; }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=tel], select, textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: var(--surface);
    color: var(--text);
}
textarea { resize: vertical; min-height: 70px; }

.password-field { position: relative; }
.password-field input { padding-right: 40px; }
.password-field .toggle-password {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
}
.password-field .toggle-password:hover { color: var(--text); background: var(--bg); }
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52, 87, 213, 0.15);
}

.help { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid var(--primary);
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); text-decoration: none; }
.btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn.secondary:hover { background: var(--bg); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.small { padding: 5px 11px; font-size: 13px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--text-muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge.gray { background: #eef0f5; color: var(--text-muted); }
.badge.success { background: var(--success-bg); color: var(--success); }
.badge.warning { background: var(--warning-bg); color: var(--warning); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }

.alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 18px; }
.alert.success { background: var(--success-bg); color: var(--success); }
.alert.danger { background: var(--danger-bg); color: var(--danger); }
.alert.info { background: #eaf0fd; color: var(--primary-dark); }

.empty { text-align: center; color: var(--text-muted); padding: 40px 20px; }

.login-shell { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 100%; max-width: 380px; }
.login-card .brand { text-align: center; font-weight: 700; font-size: 20px; margin-bottom: 24px; }
.login-card .brand span { color: var(--primary); }

.actions-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.text-right { text-align: right; }
.mt { margin-top: 18px; }