/* Variáveis de Design */
:root {
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Cores */
  --bg-primary: #0b0f19;
  --bg-gradient: radial-gradient(circle at 50% 0%, #1e2942 0%, #0b0f19 100%);
  --panel-bg: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --color-green: #00ff88;
  --color-green-glow: rgba(0, 255, 136, 0.25);
  --color-blue: #00bfff;
  --color-blue-glow: rgba(0, 191, 255, 0.25);
  --color-red: #ff453a;
  --color-red-glow: rgba(255, 69, 58, 0.25);
  
  --active-glow-speed: 2s;
}

/* Reset Geral */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-primary);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Efeito de brilho de fundo */
.background-glow {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.08) 0%, rgba(0, 191, 255, 0.03) 50%, transparent 100%);
  z-index: 0;
  pointer-events: none;
  filter: blur(50px);
}

/* Layout App */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--panel-border);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-circle {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.15);
}

.logo-circle i {
  font-size: 24px;
  color: var(--color-green);
}

.header-title h1 {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.header-title p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Status do ESP32 */
.esp-status-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  padding: 10px 18px;
  border-radius: 30px;
  backdrop-filter: blur(8px);
}

.status-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.pulse-ring {
  position: absolute;
  left: 0;
  top: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  animation: pulse-ring-animation 1.5s cubic-bezier(0.215, 0.610, 0.355, 1) infinite;
}

.status-text {
  font-size: 14px;
  font-weight: 600;
}

/* Estados de conexão */
.status-indicator.online .status-dot {
  background-color: var(--color-green);
  box-shadow: 0 0 8px var(--color-green);
}
.status-indicator.online .pulse-ring {
  border: 3px solid var(--color-green);
}
.status-indicator.online .status-text {
  color: var(--color-green);
}

.status-indicator.offline .status-dot {
  background-color: var(--color-red);
  box-shadow: 0 0 8px var(--color-red);
}
.status-indicator.offline .pulse-ring {
  border: 3px solid var(--color-red);
}
.status-indicator.offline .status-text {
  color: var(--color-red);
}

/* Painéis de Vidro (Glassmorphism) */
.glass-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--panel-shadow);
  padding: 24px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  flex-grow: 1;
}

.full-width-card {
  grid-column: span 2;
}

/* Cards dos Relés */
.relay-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.relay-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: background 0.3s ease;
}

/* Efeitos visuais dinâmicos quando o relé está fisicamente ativo */
.relay-card.active-state {
  border-color: rgba(0, 255, 136, 0.2);
  box-shadow: 0 8px 32px 0 rgba(0, 255, 136, 0.05);
}
.relay-card.active-state::before {
  background: linear-gradient(90deg, var(--color-green), var(--color-blue));
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-relay {
  font-size: 22px;
  color: var(--color-blue);
  transition: transform 0.3s ease;
}

.relay-card.active-state .icon-relay {
  color: var(--color-green);
  transform: scale(1.1) rotate(5deg);
}

.card-title h2 {
  font-size: 20px;
  font-weight: 600;
}

.relay-state-badge {
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.relay-card.active-state .relay-state-badge {
  background: rgba(0, 255, 136, 0.12);
  border-color: rgba(0, 255, 136, 0.3);
  color: var(--color-green);
  text-shadow: 0 0 5px rgba(0, 255, 136, 0.3);
}

/* Seletores de Modo */
.section-title {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.mode-selector {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
}

.mode-selector input[type="radio"] {
  display: none;
}

.mode-selector label {
  flex: 1;
  text-align: center;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.mode-selector label:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.03);
}

.mode-selector input[type="radio"]:checked + label {
  color: #0b0f19;
  font-weight: 700;
}

/* Modo desligado selecionado */
#mode-1-off:checked + label, #mode-2-off:checked + label {
  background: var(--color-red);
  box-shadow: 0 4px 15px var(--color-red-glow);
}

/* Modo auto selecionado */
#mode-1-auto:checked + label, #mode-2-auto:checked + label {
  background: var(--color-blue);
  box-shadow: 0 4px 15px var(--color-blue-glow);
}

/* Modo ligado selecionado */
#mode-1-on:checked + label, #mode-2-on:checked + label {
  background: var(--color-green);
  box-shadow: 0 4px 15px var(--color-green-glow);
}

/* Seção de Agendamento */
.schedule-section {
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: opacity 0.3s ease, filter 0.3s ease;
}

/* Estilo para desativar visualmente o agendamento se não for modo AUTO */
.schedule-section.disabled {
  opacity: 0.25;
  filter: blur(0.5px);
  pointer-events: none;
}

.time-range-picker {
  display: flex;
  gap: 16px;
}

.time-input-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.time-input-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.text-green { color: var(--color-green); }
.text-red { color: var(--color-red); }

.time-input-group input[type="time"] {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  width: 100%;
}

.time-input-group input[type="time"]:focus {
  border-color: rgba(0, 191, 255, 0.5);
  box-shadow: 0 0 10px rgba(0, 191, 255, 0.15);
}

/* Seletor de Dias da Semana */
.day-selector-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.day-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.day-buttons {
  display: flex;
  justify-content: space-between;
  gap: 6px;
}

.day-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.day-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.day-btn.selected {
  background: rgba(0, 191, 255, 0.12);
  border-color: var(--color-blue);
  color: var(--color-blue);
  font-weight: 700;
  box-shadow: 0 0 10px rgba(0, 191, 255, 0.2);
}

/* Card Geral de Configurações */
.system-settings-card {
  margin-top: 8px;
}

.system-settings-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
}

.settings-clock-section {
  display: flex;
  align-items: center;
  gap: 20px;
  border-right: 1px solid var(--panel-border);
  padding-right: 20px;
}

.clock-large-icon {
  font-size: 40px;
  color: var(--color-blue);
}

.clock-display {
  font-size: 32px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.05);
}

#server-date {
  font-size: 14px;
  color: var(--text-secondary);
}

.settings-inputs-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.timezone-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timezone-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.timezone-group select {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  color: #fff;
  padding: 12px;
  border-radius: 12px;
  font-size: 15px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.25s ease;
  width: 100%;
}

.timezone-group select option {
  background-color: var(--bg-primary);
}

.timezone-group select:focus {
  border-color: rgba(0, 191, 255, 0.5);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-green) 0%, #00d4ff 100%);
  border: none;
  color: #0b0f19;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(0, 255, 136, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 255, 136, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 40px 0 20px 0;
  color: var(--text-muted);
  font-size: 13px;
}

/* Botão Flutuante de Instalação PWA */
.install-pwa-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(0, 191, 255, 0.9);
  border: 1px solid rgba(0, 191, 255, 0.5);
  color: #fff;
  padding: 12px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 191, 255, 0.3);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.install-pwa-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 30px rgba(0, 191, 255, 0.45);
  background: var(--color-blue);
}

.install-pwa-btn.hidden {
  display: none !important;
}

/* Animações */
@keyframes pulse-ring-animation {
  0% {
    transform: scale(0.33);
    opacity: 1;
  }
  80%, 100% {
    opacity: 0;
  }
}

/* Responsividade */
@media (max-width: 768px) {
  .app-container {
    padding: 16px;
  }
  
  .app-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 24px;
  }
  
  .esp-status-card {
    width: 100%;
    justify-content: space-between;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  
  .full-width-card {
    grid-column: span 1;
  }
  
  .system-settings-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .settings-clock-section {
    border-right: none;
    border-bottom: 1px solid var(--panel-border);
    padding-right: 0;
    padding-bottom: 20px;
  }
  
  .day-buttons {
    gap: 4px;
  }
  
  .day-btn {
    width: 35px;
    height: 35px;
    font-size: 12px;
  }
}