:root {
    --primary: #72cb10;
    --primary-dark: #5fa80d;
    --navy: #021849;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --danger: #ef4444;
    --success: #10b981;
    --radius: 12px;
    --font: "Inter", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font);
    color: var(--gray-900);
    background: var(--gray-50);
    min-height: 100vh;
}
button, input, select { font-family: inherit; font-size: 14px; }
[hidden] { display: none !important; }

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: var(--navy);
}
.login-card {
    width: min(420px, 92vw);
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.login-card h1 { font-size: 24px; margin-bottom: 4px; }
.login-card p { color: var(--gray-500); margin-bottom: 24px; }
.login-card label { display: block; font-weight: 600; margin: 12px 0 6px; }
.login-card input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
}
.login-card button, .btn {
    background: var(--primary);
    color: #fff;
    border: 0;
    border-radius: 8px;
    padding: 10px 16px;
    font-weight: 600;
    cursor: pointer;
}
.login-card button { width: 100%; margin-top: 18px; }
.btn.ghost {
    background: #fff;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}
.error {
    margin-top: 12px;
    color: var(--danger);
    font-size: 13px;
}

.topbar {
    background: var(--navy);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
}
.brand { font-weight: 700; }
.top-nav { display: flex; gap: 8px; margin-left: auto; margin-right: 16px; }
.nav-btn {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 8px;
    padding: 8px 12px;
    font-weight: 600;
    cursor: pointer;
}
.nav-btn.active, .nav-btn:hover {
    background: rgba(114, 203, 16, .2);
    border-color: var(--primary);
}
.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}
.usage-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.usage-card h3 { font-size: 13px; color: var(--gray-500); text-transform: uppercase; margin-bottom: 8px; }
.usage-card .value { font-size: 28px; font-weight: 700; }
.usage-card .sub { color: var(--gray-500); font-size: 13px; margin-top: 6px; }
.usage-bar {
    height: 8px;
    background: var(--gray-100);
    border-radius: 99px;
    margin-top: 12px;
    overflow: hidden;
}
.usage-bar span {
    display: block;
    height: 100%;
    background: var(--primary);
    width: 0;
}
.usage-bar.warn span { background: #f59e0b; }
.usage-bar.full span { background: var(--danger); }
main { padding: 24px; max-width: 1100px; margin: 0 auto; }
.section-head, .form-actions, .inline-form {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin: 16px 0;
}
.inline-form { justify-content: flex-start; flex-wrap: wrap; }
.inline-form input { min-width: 240px; padding: 10px 12px; border: 1px solid var(--gray-200); border-radius: 8px; }
.table-wrap { overflow: auto; background: #fff; border-radius: var(--radius); box-shadow: 0 1px 3px rgba(0,0,0,.06); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--gray-100); }
th { font-size: 12px; color: var(--gray-500); text-transform: uppercase; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: #f8faf5; }
.badge { padding: 4px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.on { background: #dcfce7; color: #166534; }
.badge.off { background: #fee2e2; color: #991b1b; }

.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    margin: 16px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.grid label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 13px; }
.grid input, .grid select {
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-weight: 400;
}
.stats {
    display: flex;
    gap: 24px;
    align-items: center;
    grid-column: 1 / -1;
}
.stats div { background: var(--gray-50); padding: 12px 16px; border-radius: 10px; min-width: 120px; }
.stats strong { display: block; font-size: 22px; }
.stats span { color: var(--gray-500); font-size: 12px; }
.admin-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
    flex-wrap: wrap;
}
.password-box {
    font-family: ui-monospace, monospace;
    background: var(--gray-100);
    padding: 4px 8px;
    border-radius: 6px;
}
.hint { color: var(--gray-500); font-size: 13px; margin-top: 8px; }
.form-actions { grid-column: 1 / -1; }
.form-wide { grid-column: 1 / -1; margin-top: 0; }