:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-card-active: #064e3b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-soft: #cbd5e1;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --green: #10b981;
  --green-hover: #059669;
  --red: #ef4444;
  --red-hover: #dc2626;
  --border: #334155;
  --border-soft: #1e293b;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar h1 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.user-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.9rem;
  font-family: inherit;
  padding: 0;
}

.btn-link:hover { color: var(--accent-hover); text-decoration: underline; }

/* ── Main ─────────────────────────────────────────────────── */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
}

.flash {
  margin-bottom: 1.25rem;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  font-size: 0.92rem;
  border: 1px solid;
}

.flash-ok {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--green);
  color: #6ee7b7;
}

.flash-err {
  background: rgba(239, 68, 68, 0.12);
  border-color: var(--red);
  color: #fca5a5;
}

h2 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 1.75rem 0 0.9rem;
}

/* ── Status bar ─────────────────────────────────────────────────── */
.status-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.8rem;
}

.status-item {
  background: var(--bg-card);
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.status-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}

.status-value {
  font-size: 1rem;
  font-weight: 500;
  word-break: break-word;
}

.status-value em {
  font-style: normal;
  color: var(--text-muted);
  font-weight: 400;
}

/* ── Apps grid ─────────────────────────────────────────────────── */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.app-card.status-running {
  border-color: var(--green);
  background: linear-gradient(180deg, var(--bg-card-active) 0%, var(--bg-card) 80%);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.15), var(--shadow);
}

.app-card:hover { transform: translateY(-2px); }

.app-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.app-name {
  font-size: 1.1rem;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

.status-running .dot {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}

.app-status-text {
  font-size: 0.85rem;
  color: var(--text-soft);
}

.app-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: auto;
}

.app-actions form { display: block; }

.btn {
  width: 100%;
  padding: 0.65rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s, transform 0.05s;
}

.btn:active { transform: translateY(1px); }

.btn-start {
  background: var(--green);
  color: #fff;
}

.btn-start:hover { background: var(--green-hover); }

.btn-stop {
  background: var(--red);
  color: #fff;
}

.btn-stop:hover { background: var(--red-hover); }

.btn-primary {
  background: var(--accent);
  color: #082f49;
  font-weight: 600;
}

.btn-primary:hover { background: var(--accent-hover); }

.app-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  text-align: center;
  padding: 0.4rem;
  border-radius: 6px;
  transition: color 0.12s, background 0.12s;
}

.app-link:hover {
  color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
}

.empty {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border-radius: 10px;
  border: 1px dashed var(--border);
}

.footer-note {
  margin-top: 1.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Login ─────────────────────────────────────────────────── */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2.25rem 2.25rem 1.75rem;
  border-radius: 14px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: var(--shadow);
}

.login-card h1 {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 0.1rem;
}

.subtitle {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}

.login-card label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  margin-bottom: 0.3rem;
}

.login-card input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.12s;
}

.login-card input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-card .btn { margin-top: 1rem; padding: 0.75rem 1rem; }

.hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.6rem;
}

.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid var(--red);
  color: #fca5a5;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  font-size: 0.88rem;
  text-align: center;
  margin-top: 0.5rem;
}

/* ── Móvil ─────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .topbar-inner { padding: 0.9rem 1rem; }
  main { padding: 1.25rem 1rem 2.5rem; }
  .login-card { padding: 1.75rem 1.5rem 1.25rem; }
}