/*
  MQTT Demo - Additional Styles
  Modern Glassmorphism Theme
*/

/* ====== HERO SECTION ====== */
.hero {
  position: relative;
  padding: calc(80px + var(--spacing-16)) var(--spacing-6) var(--spacing-16);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 100vw;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    rgba(37, 99, 235, 0.08) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  margin-bottom: var(--spacing-6);
  animation: fade-in 0.6s ease forwards;
}

.hero-subtitle {
  animation: slide-up 0.6s ease 0.2s forwards;
  opacity: 0;
}

.connection-panel {
  animation: slide-up 0.6s ease 0.4s forwards;
  opacity: 0;
}

/* ====== SECTIONS ====== */
.messages-section,
.topics-section,
.docs-section {
  padding: var(--spacing-16) 0;
}

.messages-section {
  background: linear-gradient(180deg, transparent 0%, rgba(37, 99, 235, 0.02) 50%, transparent 100%);
}

.docs-section {
  background: rgba(0, 0, 0, 0.2);
}

/* ====== ANIMATIONS ====== */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-blink {
  animation: blink 1s infinite;
}

/* ====== MESSAGE LOG ====== */
.messages-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.message-item {
  transition: all var(--transition-fast);
}

.message-item:hover {
  background: rgba(15, 23, 42, 0.8);
}

.message-item.topic-subscribe {
  border-left-color: var(--color-success);
}

.message-item.topic-unsubscribe {
  border-left-color: var(--color-destructive);
}

.message-item.error {
  border-left-color: var(--color-destructive);
  background: rgba(239, 68, 68, 0.1);
}

/* ====== STATUS INDICATORS ====== */
.status-connected {
  animation: pulse 2s infinite;
}

.status-connecting {
  animation: blink 1s infinite;
}

/* ====== MQTT PAYLOAD HIGHLIGHTING ====== */
.json-key {
  color: #60a5fa;
}

.json-string {
  color: #34d399;
}

.json-number {
  color: #fbbf24;
}

.json-boolean {
  color: #f472b6;
}

.json-null {
  color: #94a3b8;
}

/* ====== TOPICS SECTION ====== */
.topics-list {
  max-width: 800px;
  margin: 0 auto;
}

.topic-item {
  transition: all var(--transition-fast);
}

.topic-item:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.topic-item .remove-btn {
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.topic-item:hover .remove-btn {
  opacity: 1;
}

/* ====== FORM ELEMENTS ====== */
.form-group input:focus {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* ====== BUTTON STATES ====== */
.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary.disconnect {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.5);
}

/* ====== LOADING STATE ====== */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--foreground);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .hero {
    padding: calc(60px + var(--spacing-8)) var(--spacing-4) var(--spacing-8);
  }
  
  .section-container {
    padding: var(--spacing-8) var(--spacing-4);
  }
  
  .connection-panel {
    padding: var(--spacing-4);
  }
  
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3);
  }
  
  .stat-card {
    padding: var(--spacing-3);
  }
  
  .stat-value {
    font-size: var(--font-size-xl);
  }
  
  .docs-grid {
    grid-template-columns: 1fr;
  }
}