/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --marvel-red: #e23636;
  --marvel-dark-red: #a11a1a;
  --marvel-gold: #f0c040;
  --marvel-dark: #0a0a0a;
  --marvel-panel: #141414;
  --marvel-border: #2a2a2a;
  --marvel-text: #e0e0e0;
  --marvel-accent: #ff4444;
  --status-running: #00e676;
  --status-stopped: #ff5252;
  --status-pending: #ffab40;
  --status-unknown: #888;
}

body {
  font-family: 'Rajdhani', sans-serif;
  background-color: var(--marvel-dark);
  color: var(--marvel-text);
  min-height: 100vh;
  overflow: hidden;
}

/* === Screens === */
.screen {
  display: none;
  min-height: 100vh;
}

.screen.active {
  display: flex;
}

/* === Login Screen === */
#login-screen {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--marvel-dark);
  position: relative;
  overflow: hidden;
}

.login-hero {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: brightness(0.35) saturate(0.8);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, var(--marvel-dark) 0%, transparent 50%),
    linear-gradient(to bottom, rgba(10, 10, 10, 0.6) 0%, transparent 40%),
    radial-gradient(ellipse at center, rgba(226, 54, 54, 0.12) 0%, transparent 70%);
}

.login-container {
  text-align: center;
  z-index: 1;
}

.title {
  font-family: 'Anton', sans-serif;
  font-size: 72px;
  color: #fff;
  letter-spacing: 12px;
  text-shadow: 0 0 30px rgba(226, 54, 54, 0.4);
}

.subtitle {
  font-size: 18px;
  letter-spacing: 8px;
  color: var(--marvel-gold);
  margin-bottom: 40px;
}

.login-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

#password-input {
  width: 320px;
  padding: 14px 20px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 4px;
  text-align: center;
  background: var(--marvel-panel);
  border: 2px solid var(--marvel-border);
  color: #fff;
  outline: none;
  transition: border-color 0.3s;
}

#password-input:focus {
  border-color: var(--marvel-red);
  box-shadow: 0 0 15px rgba(226, 54, 54, 0.2);
}

#password-input::placeholder {
  color: #555;
  letter-spacing: 3px;
}

#login-btn {
  width: 320px;
  padding: 14px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 4px;
  background: var(--marvel-red);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

#login-btn:hover {
  background: #ff4444;
  box-shadow: 0 0 25px rgba(226, 54, 54, 0.4);
}

#login-btn:active {
  transform: scale(0.98);
}

.error-text {
  color: var(--marvel-accent);
  font-size: 14px;
  letter-spacing: 2px;
  min-height: 20px;
}

/* === Control Screen === */
#control-screen {
  flex-direction: column;
  background: var(--marvel-dark);
  position: relative;
  overflow: hidden;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid var(--marvel-border);
  background: rgba(20, 20, 20, 0.9);
  position: relative;
  z-index: 1;
}

.header-title {
  font-family: 'Anton', sans-serif;
  font-size: 28px;
  letter-spacing: 4px;
}

.accent {
  color: var(--marvel-red);
}

.logout-btn {
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--marvel-border);
  color: #888;
  cursor: pointer;
  transition: all 0.3s;
}

.logout-btn:hover {
  border-color: var(--marvel-red);
  color: var(--marvel-red);
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 40px;
  position: relative;
  z-index: 1;
}

/* === Status Panel === */
.status-panel {
  text-align: center;
}

.status-panel h2 {
  font-size: 14px;
  letter-spacing: 6px;
  color: #666;
  margin-bottom: 20px;
}

.status-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 40px;
  border: 1px solid var(--marvel-border);
  background: var(--marvel-panel);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 4px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--status-unknown);
}

.status-running .status-dot {
  background: var(--status-running);
  box-shadow: 0 0 10px var(--status-running);
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.status-stopped .status-dot {
  background: var(--status-stopped);
}

.status-pending .status-dot {
  background: var(--status-pending);
  animation: pulse-dot 0.8s ease-in-out infinite;
}

.status-unknown .status-dot {
  background: var(--status-unknown);
}

.uptime-text {
  margin-top: 12px;
  font-size: 14px;
  letter-spacing: 3px;
  color: #888;
}

/* === Controls === */
.controls-panel {
  display: flex;
  gap: 24px;
}

.control-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 36px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  border: 2px solid;
  cursor: pointer;
  transition: all 0.3s;
}

.control-btn:disabled {
  background: #333;
  border-color: #444;
  color: #666;
  cursor: not-allowed;
}

.start-btn {
  background: var(--status-running);
  border-color: var(--status-running);
  color: #000;
}

.start-btn:hover:not(:disabled) {
  background: #33ff99;
  border-color: #33ff99;
  box-shadow: 0 0 25px rgba(0, 230, 118, 0.3);
}

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

.stop-btn:hover:not(:disabled) {
  background: #ff4444;
  border-color: #ff4444;
  box-shadow: 0 0 25px rgba(226, 54, 54, 0.3);
}

.btn-icon {
  font-size: 14px;
}

/* === Message Panel === */
.message-panel {
  min-height: 24px;
  font-size: 14px;
  letter-spacing: 2px;
  color: #888;
}

.message-panel.success {
  color: var(--status-running);
}

.message-panel.error {
  color: var(--marvel-accent);
}

/* === Animations === */
@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(226, 54, 54, 0.5)); }
  50% { filter: drop-shadow(0 0 40px rgba(226, 54, 54, 0.8)); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === Responsive === */
@media (max-width: 600px) {
  .title { font-size: 48px; letter-spacing: 8px; }
  .subtitle { font-size: 14px; }
  #password-input, #login-btn { width: 280px; }
  .controls-panel { flex-direction: column; }
  header { padding: 16px 20px; }
  .header-title { font-size: 20px; }
}