:root {
  color-scheme: dark;
  --bg: #12141a;
  --bar: #1c2030;
  --text: #e8ecf4;
  --muted: #9aa3b5;
  --accent: #3d8bfd;
  --danger: #e35d6a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 "Segoe UI", system-ui, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ——— login ——— */
.login {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse at 30% 20%, #1a2740 0%, transparent 55%),
    radial-gradient(ellipse at 70% 80%, #1c1828 0%, transparent 50%),
    var(--bg);
}

.login-card {
  width: min(360px, 100%);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.5rem 1.4rem 1.3rem;
  background: var(--bar);
  border: 1px solid #2a3144;
  border-radius: 10px;
}

.login-card h1 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.login-hint {
  margin: -0.35rem 0 0.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.login-card input,
.login-card select {
  background: #0f121a;
  border: 1px solid #343b50;
  color: var(--text);
  border-radius: 6px;
  padding: 0.55rem 0.65rem;
  font-size: 1rem;
}

.login-card button[type="submit"] {
  margin-top: 0.35rem;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.65rem 0.75rem;
  font-size: 1rem;
  cursor: pointer;
}

.login-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.9rem;
}

/* ——— app ——— */
.app {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  padding: 0.6rem 0.9rem;
  background: var(--bar);
  border-bottom: 1px solid #2a3144;
  flex: 0 0 auto;
  z-index: 2;
}

.user-label {
  color: var(--accent);
  font-weight: 600;
}

.bar label {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  color: var(--muted);
}

.bar input,
.bar select {
  background: #0f121a;
  border: 1px solid #343b50;
  color: var(--text);
  border-radius: 4px;
  padding: 0.25rem 0.45rem;
  min-width: 7rem;
}

.bar select {
  min-width: 8rem;
}

.bar input[type="range"] {
  min-width: 5rem;
  padding: 0;
}

.bar input[type="checkbox"] {
  min-width: 0;
}

.bar button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 4px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}

.bar button.ghost {
  background: transparent;
  border: 1px solid #343b50;
  color: var(--muted);
}

.bar button:disabled {
  opacity: 0.45;
  cursor: default;
}

.status {
  color: var(--muted);
  margin-left: auto;
  max-width: 32vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#dos {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  min-height: 70vh;
  height: calc(100vh - 56px);
  background: #000;
  overflow: hidden;
}

[hidden] {
  display: none !important;
}