/* ─── CSS Reset & Variables ──────────────────────────────────────────────────── */

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

:root {
  /* Satisfactory-inspired palette */
  --accent: #F5A623;
  --accent-glow: rgba(245, 166, 35, 0.3);
  --accent-dim: #c4841c;
  --success: #34D399;
  --success-glow: rgba(52, 211, 153, 0.3);
  --danger: #F87171;
  --danger-glow: rgba(248, 113, 113, 0.3);
  --warning: #FBBF24;

  /* Dark theme */
  --bg-primary: #0B0E14;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(24, 33, 50, 0.8);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(245, 166, 35, 0.2);

  /* Text */
  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;

  /* Spacing */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;

  /* Fonts */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Background Effects ─────────────────────────────────────────────────────── */

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  background: var(--accent);
  top: -200px;
  right: -100px;
  animation: float1 20s ease-in-out infinite;
}

.bg-glow-2 {
  background: #3B82F6;
  bottom: -200px;
  left: -100px;
  animation: float2 25s ease-in-out infinite;
}

@keyframes float1 {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(-80px, 60px);
  }
}

@keyframes float2 {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(60px, -80px);
  }
}

/* ─── Container ──────────────────────────────────────────────────────────────── */

.container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

/* ─── Header ─────────────────────────────────────────────────────────────────── */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding: 0 4px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  filter: drop-shadow(0 0 12px var(--accent-glow));
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.subtitle {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.connection-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  backdrop-filter: blur(20px);
}

.connection-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s, box-shadow 0.3s;
}

.connection-badge.connected .connection-dot {
  background: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
}

.connection-badge.disconnected .connection-dot {
  background: var(--danger);
  box-shadow: 0 0 8px var(--danger-glow);
}

/* ─── Status Banner ──────────────────────────────────────────────────────────── */

.status-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 20px 28px;
  margin-bottom: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: all 0.4s ease;
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: border-color 0.4s ease;
}

.status-banner.online .status-dot {
  background: var(--success);
  box-shadow: 0 0 16px var(--success-glow);
  animation: pulse 2s ease-in-out infinite;
}

.status-banner.online .status-dot::after {
  border-color: rgba(52, 211, 153, 0.2);
}

.status-banner.offline .status-dot {
  background: var(--danger);
  box-shadow: 0 0 8px var(--danger-glow);
}

.status-banner.loading .status-dot {
  background: var(--warning);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(0.85);
  }
}

.status-label {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.status-actions {
  display: flex;
  gap: 10px;
}

/* ─── Buttons ────────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.btn:hover::before {
  opacity: 1;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

.btn:active:not(:disabled) {
  transform: scale(0.96);
}

.btn-start {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.btn-start:hover:not(:disabled) {
  background: rgba(52, 211, 153, 0.25);
  border-color: rgba(52, 211, 153, 0.4);
  box-shadow: 0 0 20px rgba(52, 211, 153, 0.15);
}

.btn-stop {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.btn-stop:hover:not(:disabled) {
  background: rgba(248, 113, 113, 0.25);
  border-color: rgba(248, 113, 113, 0.4);
  box-shadow: 0 0 20px rgba(248, 113, 113, 0.15);
}

.btn-restart {
  background: rgba(245, 166, 35, 0.15);
  color: var(--accent);
  border: 1px solid rgba(245, 166, 35, 0.2);
}

.btn-restart:hover:not(:disabled) {
  background: rgba(245, 166, 35, 0.25);
  border-color: rgba(245, 166, 35, 0.4);
  box-shadow: 0 0 20px rgba(245, 166, 35, 0.15);
}

/* ─── Cards Grid ─────────────────────────────────────────────────────────────── */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.card-wide {
  grid-column: span 2;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.card-icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
}

.card-header h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80px;
}

.card-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* ─── Big Numbers ────────────────────────────────────────────────────────────── */

.big-number {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.big-number-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 500;
}

/* ─── Progress Rings ─────────────────────────────────────────────────────────── */

.progress-ring-container {
  position: relative;
  width: 120px;
  height: 120px;
}

.progress-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.progress-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 8;
}

.progress-ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transition: stroke-dashoffset 1s ease, stroke 0.5s ease;
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.progress-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.progress-value {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -1px;
}

.progress-unit {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ─── Info Grid ──────────────────────────────────────────────────────────────── */

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-word;
}

/* ─── Host Metrics ───────────────────────────────────────────────────────────── */

.host-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  width: 100%;
}

.host-metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.host-metric-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

.host-metric-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim));
  border-radius: 100px;
  transition: width 1s ease;
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 30px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15));
  border-radius: 100px;
}

/* ─── Toast ──────────────────────────────────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.success {
  border-color: rgba(52, 211, 153, 0.3);
}

.toast.error {
  border-color: rgba(248, 113, 113, 0.3);
}

.toast-icon {
  font-size: 1.1rem;
}

/* ─── Clickable Cards ────────────────────────────────────────────────────────── */

.card-clickable {
  cursor: pointer;
}

.card-clickable:hover {
  border-color: var(--accent) !important;
  box-shadow: 0 8px 32px rgba(245, 166, 35, 0.15) !important;
}

.card-expand-icon {
  margin-left: auto;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card-clickable:hover .card-expand-icon {
  opacity: 1;
}

/* ─── Player List ────────────────────────────────────────────────────────────── */

.player-list {
  width: 100%;
  margin-top: 12px;
}

.player-list:empty {
  display: none;
}

.player-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.player-entry:last-child {
  border-bottom: none;
}

.player-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success-glow);
  flex-shrink: 0;
}

.player-name {
  font-weight: 500;
  color: var(--text-primary);
}

.player-hint {
  padding: 8px 0 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}

/* ─── Chart Modal ────────────────────────────────────────────────────────────── */

.modal-chart {
  max-width: 720px;
}

.chart-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.chart-tab {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.chart-tab:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.chart-tab.active {
  background: rgba(245, 166, 35, 0.15);
  border-color: rgba(245, 166, 35, 0.3);
  color: var(--accent);
}

.chart-container {
  width: 100%;
  height: 280px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 12px;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

.chart-info {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* ─── Auth Button ────────────────────────────────────────────────────────────── */

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-auth {
  background: rgba(245, 166, 35, 0.12);
  color: var(--accent);
  border: 1px solid rgba(245, 166, 35, 0.2);
  padding: 8px 16px;
  font-size: 0.8rem;
}

.btn-auth:hover {
  background: rgba(245, 166, 35, 0.22);
  border-color: rgba(245, 166, 35, 0.4);
  box-shadow: 0 0 16px rgba(245, 166, 35, 0.12);
}

.btn-auth.logged-in {
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
  border-color: rgba(52, 211, 153, 0.2);
}

.btn-auth.logged-in:hover {
  background: rgba(52, 211, 153, 0.22);
  border-color: rgba(52, 211, 153, 0.4);
}

/* ─── Login Modal ────────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  width: 100%;
  max-width: 400px;
  position: relative;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.modal-overlay.show .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.modal-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.modal-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  border-radius: 8px;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.input-group {
  margin-bottom: 16px;
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.25s ease;
}

.input-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.1);
  background: rgba(255, 255, 255, 0.06);
}

.input-group input::placeholder {
  color: var(--text-muted);
}

.modal-error {
  font-size: 0.82rem;
  color: var(--danger);
  margin-bottom: 12px;
  min-height: 20px;
}

.btn-login {
  width: 100%;
  justify-content: center;
  padding: 12px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  border: none;
  font-size: 0.9rem;
}

.btn-login:hover {
  background: #e09520;
  box-shadow: 0 0 24px rgba(245, 166, 35, 0.25);
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-wide {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .status-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .status-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .btn {
    flex: 1;
    justify-content: center;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .card-wide {
    grid-column: span 1;
  }

  .host-metrics {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 16px 12px 30px;
  }

  .header h1 {
    font-size: 1.25rem;
  }

  .big-number {
    font-size: 2.5rem;
  }

  .status-banner {
    padding: 16px 20px;
  }
}