* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, sans-serif; background: #1a1d21; color: #e4e6eb; }
.hidden { display: none !important; }
.error { color: #f87171; margin-top: 0.5rem; }
.screen { min-height: 100vh; }

/* Login */
#login-screen { display: flex; align-items: center; justify-content: center; padding: 1rem; }
.login-card { background: #25282c; padding: 2rem; border-radius: 8px; width: 100%; max-width: 400px; }
.login-card h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
.login-card .subtitle { color: #9ca3af; margin: 0 0 1.5rem; font-size: 0.9rem; }
.login-card label { display: block; margin-top: 1rem; margin-bottom: 0.25rem; font-size: 0.875rem; color: #9ca3af; }
.login-card input { width: 100%; padding: 0.5rem 0.75rem; border: 1px solid #374151; border-radius: 4px; background: #111; color: #e4e6eb; font-size: 1rem; }
.login-card button { width: 100%; margin-top: 1.5rem; padding: 0.6rem 1rem; background: #3b82f6; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; }
.login-card button:hover { background: #2563eb; }
.login-card button:disabled { opacity: 0.6; cursor: not-allowed; }

/* Main layout */
#main-screen { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: #25282c; padding: 1rem 0; flex-shrink: 0; }
.nav-brand { padding: 0 1rem 0.75rem; font-weight: 600; font-size: 1rem; border-bottom: 1px solid #374151; margin-bottom: 0.5rem; }
.nav-item { display: block; padding: 0.5rem 1rem; color: #9ca3af; text-decoration: none; font-size: 0.9rem; }
.nav-item:hover { background: #374151; color: #e4e6eb; }
.nav-item.active { background: #374151; color: #3b82f6; }
.content { flex: 1; padding: 1.5rem; overflow: auto; }
.page { max-width: 1200px; }

/* Typography */
.page h2 { margin: 0 0 1rem; font-size: 1.25rem; }
.card { background: #25282c; border-radius: 8px; padding: 1rem 1.5rem; margin-bottom: 1rem; }
.toolbar { margin-bottom: 1rem; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.card .status-ok { color: #34d399; }
.card .status-error { color: #f87171; }
.card a { color: #3b82f6; text-decoration: none; }
.card a:hover { text-decoration: underline; }
.shortcuts { margin-top: 1rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.shortcuts a, .shortcuts button { padding: 0.4rem 0.75rem; background: #374151; color: #e4e6eb; border: none; border-radius: 4px; cursor: pointer; font-size: 0.875rem; text-decoration: none; }
.shortcuts a:hover, .shortcuts button:hover { background: #4b5563; }

/* Forms */
form label { display: block; margin-top: 0.75rem; margin-bottom: 0.25rem; font-size: 0.875rem; color: #9ca3af; }
form input[type="text"], form input[type="password"], form input[type="url"], form textarea { width: 100%; max-width: 400px; padding: 0.5rem 0.75rem; border: 1px solid #374151; border-radius: 4px; background: #111; color: #e4e6eb; }
form input[type="checkbox"] { margin-right: 0.5rem; }
form button[type="submit"], .btn-primary { padding: 0.5rem 1rem; background: #3b82f6; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 0.9rem; margin-top: 0.5rem; margin-right: 0.5rem; }
form button[type="submit"]:hover, .btn-primary:hover { background: #2563eb; }
.btn-secondary { padding: 0.5rem 1rem; background: #374151; color: #e4e6eb; border: none; border-radius: 4px; cursor: pointer; font-size: 0.9rem; }
.btn-secondary:hover { background: #4b5563; }
.btn-danger { background: #dc2626; }
.btn-danger:hover { background: #b91c1c; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th, td { padding: 0.5rem 0.75rem; text-align: left; border-bottom: 1px solid #374151; }
th { color: #9ca3af; font-weight: 500; }
tr:hover { background: #25282c; }
.actions { display: flex; gap: 0.25rem; }
.loading { color: #9ca3af; padding: 1rem; }
.detail-panel { background: #25282c; border-radius: 8px; padding: 1rem; margin-top: 1rem; font-size: 0.875rem; }
.detail-panel pre { margin: 0; overflow: auto; white-space: pre-wrap; word-break: break-all; }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 1rem; }
.modal { background: #25282c; border-radius: 8px; padding: 1.5rem; width: 100%; max-width: 440px; }
.modal h3 { margin: 0 0 1rem; }
.modal-actions { margin-top: 1.5rem; display: flex; gap: 0.5rem; }

/* Result area */
.result-area { margin-top: 1rem; padding: 1rem; background: #111; border-radius: 4px; font-size: 0.875rem; }
.result-area.success { border-left: 4px solid #34d399; }
.result-area.error { border-left: 4px solid #f87171; }
.result-area pre { margin: 0.5rem 0 0; white-space: pre-wrap; }

/* Toast */
.toast { position: fixed; bottom: 1.5rem; right: 1.5rem; padding: 0.75rem 1rem; border-radius: 4px; background: #25282c; box-shadow: 0 4px 12px rgba(0,0,0,0.3); z-index: 200; max-width: 320px; }
.toast.success { border-left: 4px solid #34d399; }
.toast.error { border-left: 4px solid #f87171; }