:root {
    --bg: #0b0f14;
    --surface: #121821;
    --surface-2: #1a2230;
    --border: #263041;
    --text: #e8edf4;
    --text-muted: #8a97a8;
    --accent: #3d7fff;
    --accent-2: #22d3a6;
    --danger: #ff5470;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, sans-serif;
    line-height: 1.5;
}

/* ---- Auth pages ---- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: radial-gradient(circle at 20% 20%, #132033 0%, var(--bg) 60%);
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}
.brand { font-size: 18px; color: var(--accent-2); margin: 0 0 8px; letter-spacing: 0.02em; }
.auth-card h2 { margin: 0 0 20px; font-size: 24px; }
.auth-switch { margin-top: 20px; color: var(--text-muted); font-size: 14px; }
.auth-switch a { color: var(--accent); text-decoration: none; }

/* ---- Forms ---- */
form label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 14px;
}
form input, form select, form textarea {
    display: block;
    width: 100%;
    margin-top: 6px;
    padding: 11px 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
}
form input:focus, form select:focus, form textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}
.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 6px;
}
.btn-primary:hover { background: #2d6ce8; }
.btn-link {
    background: none;
    border: none;
    color: var(--text-muted);
    text-decoration: underline;
    cursor: pointer;
    font-size: 13px;
    padding: 0;
}

/* ---- Alerts / badges ---- */
.alert { padding: 10px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: rgba(255,84,112,0.12); color: #ff8a9d; border: 1px solid rgba(255,84,112,0.3); }
.alert-success { background: rgba(34,211,166,0.12); color: #6ee7c8; border: 1px solid rgba(34,211,166,0.3); }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-pending, .badge-not_submitted { background: rgba(230,180,60,0.15); color: #e6b43c; }
.badge-approved, .badge-connected, .badge-completed, .badge-active { background: rgba(34,211,166,0.15); color: #22d3a6; }
.badge-rejected, .badge-failed, .badge-suspended { background: rgba(255,84,112,0.15); color: #ff5470; }
.badge-processing, .badge-disabled { background: rgba(138,151,168,0.15); color: #8a97a8; }

/* ---- App shell ---- */
.topnav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
.topnav-brand { font-weight: 700; color: var(--accent-2); }
.topnav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 24px;
    font-size: 14px;
}
.topnav-links a:hover { color: var(--text); }
.topnav-logout { color: var(--danger) !important; }

.page-container { max-width: 960px; margin: 0 auto; padding: 32px 24px; }
.page-container h2 { margin-top: 0; }

.muted { color: var(--text-muted); }
.small { font-size: 13px; }
.text-positive { color: var(--accent-2); }
.text-negative { color: var(--danger); }

.card-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin: 20px 0;
    max-width: 480px;
}

.empty-state {
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
}
.empty-state .btn-primary { width: auto; padding: 10px 24px; display: inline-block; margin-top: 12px; }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 24px 0;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.stat-label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
.stat-value { font-size: 26px; font-weight: 700; }

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}
.panel h3 { margin-top: 0; }

.data-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.data-table th, .data-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.data-table th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }

@media (max-width: 640px) {
    .topnav { flex-direction: column; align-items: flex-start; gap: 10px; }
    .topnav-links a { margin-left: 0; margin-right: 18px; }
}