:root {
    --bg: #0f172a;
    --panel: #111827;
    --panel-soft: #1f2937;
    --border: #334155;
    --text: #f8fafc;
    --muted: #94a3b8;
    --primary: #f59e0b;
    --primary-dark: #d97706;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 260px;
    background: #020617;
    border-right: 1px solid var(--border);
    padding: 24px;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 28px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--primary);
    color: #111827;
    display: grid;
    place-items: center;
    font-weight: 900;
    font-size: 22px;
}

.brand strong {
    display: block;
    font-size: 18px;
}

.brand span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    margin-top: 2px;
}

.sidebar nav {
    display: grid;
    gap: 8px;
}

.sidebar nav a {
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--muted);
}

.sidebar nav a:hover {
    background: var(--panel-soft);
    color: var(--text);
}

.main {
    margin-left: 260px;
    padding: 32px;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    margin: 0;
    font-size: 32px;
}

.page-header p {
    color: var(--muted);
    margin: 8px 0 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.25);
}

.card h2 {
    margin: 0 0 16px;
    font-size: 20px;
}

.status-box {
    color: var(--muted);
    line-height: 1.6;
}

.status-box strong {
    color: var(--text);
}

.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 18px;
    border: 1px solid var(--border);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #fecaca;
    border-color: rgba(239, 68, 68, 0.35);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.12);
    color: #fde68a;
    border-color: rgba(245, 158, 11, 0.35);
}

label {
    display: block;
    margin: 14px 0 7px;
    color: var(--muted);
    font-size: 14px;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    background: #020617;
    color: var(--text);
    outline: none;
}

textarea {
    resize: vertical;
}

button {
    border: 0;
    border-radius: 12px;
    padding: 12px 16px;
    background: var(--primary);
    color: #111827;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    background: var(--primary-dark);
}

button.danger {
    background: var(--danger);
    color: white;
}

.button-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.console-output {
    margin-top: 16px;
    min-height: 120px;
    background: #020617;
    border: 1px solid var(--border);
    color: #d1d5db;
    padding: 16px;
    border-radius: 14px;
    white-space: pre-wrap;
    overflow-x: auto;
}

.settings-container {
    display: grid;
    gap: 20px;
}

.settings-group {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px;
}

.settings-group h2 {
    margin: 0 0 16px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.field-help {
    color: var(--muted);
    font-size: 12px;
    margin-top: 6px;
}

.sticky-actions {
    position: sticky;
    bottom: 0;
    margin-top: 20px;
    background: rgba(15, 23, 42, 0.96);
    border-top: 1px solid var(--border);
    padding: 18px 0;
    display: flex;
    gap: 16px;
    align-items: center;
}

#settingsMessage {
    color: var(--muted);
}

.quick-commands {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.login-body {
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}

.login-card button {
    width: 100%;
    margin-top: 18px;
}

.login-brand {
    margin-bottom: 22px;
}

@media (max-width: 900px) {
    .sidebar {
        position: static;
        width: 100%;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .main {
        margin-left: 0;
        padding: 20px;
    }

    .grid,
    .settings-grid {
        grid-template-columns: 1fr;
    }
}