:root {
  color-scheme: light;
  --bg: #0e1014;
  --panel: #151822;
  --panel-2: #1c2030;
  --text: #f3f5f7;
  --muted: #9aa3b2;
  --accent: #7df9ff;
  --accent-2: #ffbf69;
  --danger: #ff6b6b;
  --success: #7ef29d;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #1a2030, #0e1014 45%) fixed;
  min-height: 100vh;
}

#app {
  min-height: 100vh;
}

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

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(160deg, #141824, #0c0f16 65%);
  padding: 28px 20px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-group {
  display: grid;
  gap: 10px;
}

.nav-item {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-item.active,
.nav-item:hover {
  color: var(--text);
  background: rgba(125, 249, 255, 0.08);
  border-color: rgba(125, 249, 255, 0.2);
}

.machine-list {
  display: grid;
  gap: 10px;
  max-height: 45vh;
  overflow: auto;
  padding-right: 6px;
}

.machine-card {
  padding: 12px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.machine-card.active,
.machine-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(125, 249, 255, 0.35);
}

.machine-card small {
  color: var(--muted);
}

.main {
  padding: 28px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.topbar h1 {
  margin: 0;
  font-size: 26px;
}

.button {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #1f2433;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 600;
}

.button.accent {
  background: linear-gradient(135deg, #7df9ff, #6ac1ff);
  color: #0b0c10;
}

.button.danger {
  background: rgba(255, 107, 107, 0.15);
  border-color: rgba(255, 107, 107, 0.3);
  color: #ffd5d5;
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--muted);
  transition: all 0.2s ease;
}

.tab.active,
.tab:hover {
  color: var(--text);
  background: rgba(255, 191, 105, 0.12);
  border-color: rgba(255, 191, 105, 0.35);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0f1219;
  color: var(--text);
}

.input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

.notice {
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(125, 249, 255, 0.08);
  border: 1px solid rgba(125, 249, 255, 0.2);
  color: var(--text);
}

.notice.warning {
  background: rgba(255, 191, 105, 0.12);
  border-color: rgba(255, 191, 105, 0.35);
}

.kv {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.sftp-list {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.sftp-list th,
.sftp-list td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--border);
}

.sftp-list tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(126, 242, 157, 0.12);
  color: #baf7cd;
  font-size: 12px;
}

.card-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.preset-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.service-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  gap: 8px;
}

.iframe-wrap {
  width: 100%;
  height: 420px;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.auth-card {
  max-width: 460px;
  margin: 10vh auto;
  padding: 28px;
}

.auth-title {
  margin: 0 0 10px;
  font-size: 26px;
}

.auth-subtitle {
  margin: 0 0 20px;
  color: var(--muted);
}

.small {
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
  }
}