/* NV Voice - Estilos base */

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

:root {
  --color-bg: #0a0e1a;
  --color-bg-card: #131825;
  --color-bg-input: #1a2033;
  --color-text: #e4e6eb;
  --color-text-muted: #8b92a8;
  --color-primary: #4a90e2;
  --color-primary-hover: #5ba0f2;
  --color-success: #2ecc71;
  --color-error: #e74c3c;
  --color-warning: #f39c12;
  --color-border: #2a3246;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 500px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1rem;
  flex: 1;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.card h2 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-muted);
}

.help {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.field-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 0.375rem;
  margin-top: 0.75rem;
}

.field-label:first-of-type {
  margin-top: 0;
}

.field-help {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  margin-bottom: 0.25rem;
}

form {
  display: flex;
  flex-direction: column;
}

input[type='text'],
input[type='tel'] {
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s;
  width: 100%;
}

input[type='text']:focus,
input[type='tel']:focus {
  outline: none;
  border-color: var(--color-primary);
}

#invite-code {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#phone {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

button {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  font-family: var(--font-sans);
  margin-top: 1rem;
}

button:hover {
  background: var(--color-primary-hover);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error {
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: 0.75rem;
  border-radius: 8px;
  margin-top: 0.75rem;
  font-size: 0.875rem;
}

/* Utility class: .hidden gana sobre cualquier layout (evita que .banner,
   .card, etc. muestren elementos por orden de cascade). */
.hidden {
  display: none !important;
}

.output {
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.75rem;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 200px;
  overflow-y: auto;
}

footer {
  text-align: center;
  padding: 1rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/* === App shell (app.html) === */

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  text-align: left;
  margin-bottom: 1.5rem;
}

.app-header h1 {
  font-size: 1.5rem;
}

.app-header .subtitle {
  margin-top: 0.125rem;
}

.link-btn {
  background: none;
  border: none;
  padding: 0.25rem 0.5rem;
  margin: 0;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  text-align: right;
}

.link-btn:hover {
  background: none;
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.banner {
  background: rgba(74, 144, 226, 0.12);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.625rem 0.875rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.banner.banner-warn {
  background: rgba(231, 76, 60, 0.1);
  border-color: var(--color-error);
  color: var(--color-error);
}

.online-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0 0;
}

.online-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--color-border);
  gap: 0.75rem;
}

.online-item:last-child {
  border-bottom: none;
}

.online-item .peer-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.online-item .peer-name {
  font-weight: 500;
}

.online-item .peer-phone {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.online-item button {
  margin: 0;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  flex-shrink: 0;
}

button.secondary {
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

button.secondary:hover {
  background: var(--color-border);
}

.call-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.call-actions button {
  flex: 1;
  margin-top: 0;
}

/* === F3.3.1: estados de llamada (color-coded por callState) === */

.call-state-calling,
.call-state-connecting {
  border-left: 4px solid var(--color-warning);
}

.call-state-connected {
  border-left: 4px solid var(--color-success);
}

.call-state-ended {
  border-left: 4px solid var(--color-border);
  opacity: 0.6;
  transition: opacity 2s ease-out;
}

/* Contador de duración: monospace, centrado, color success en CONNECTED. */
.call-duration {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-success);
  text-align: center;
  margin: 0.5rem 0 0.75rem 0;
  letter-spacing: 0.05em;
}

/* Botón mute: indicador visual cuando active (micrófono silenciado). */
#mute-btn.muted {
  background: rgba(231, 76, 60, 0.12);
  border-color: var(--color-error);
  color: var(--color-error);
  text-decoration: line-through;
}

/* === Toasts === */

.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
  max-width: calc(100vw - 2rem);
}

.toast {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  pointer-events: auto;
  cursor: pointer;
  max-width: 360px;
  animation: toast-in 160ms ease-out;
}

.toast-error {
  border-color: var(--color-error);
  color: var(--color-error);
  background: rgba(231, 76, 60, 0.08);
}

.toast-info {
  border-color: var(--color-primary);
}

.toast-success {
  border-color: var(--color-success);
  color: var(--color-success);
  background: rgba(46, 204, 113, 0.08);
}

.toast-out {
  opacity: 0;
  transform: translateY(-4px);
  transition:
    opacity 200ms ease-in,
    transform 200ms ease-in;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 1rem 0.75rem;
  }

  header h1 {
    font-size: 1.5rem;
  }

  .toast-container {
    top: 0.5rem;
    right: 0.5rem;
    left: 0.5rem;
  }

  .toast {
    max-width: none;
  }
}

/* === F3.3.2.2: indicador de habla del peer === */

.speaking-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: transparent;
  margin-right: 6px;
  vertical-align: middle;
  transition: background 100ms ease;
}

.speaking-indicator.active {
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

/* === F3.3.2.3: indicador de calidad de red === */

.quality-indicator {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  margin-left: 8px;
  height: 14px;
  vertical-align: middle;
  cursor: help;
}

.quality-indicator .bar {
  display: inline-block;
  width: 4px;
  background: var(--color-text-muted);
  border-radius: 1px;
  transition: background 200ms ease;
}

.quality-indicator .bar-1 {
  height: 5px;
}
.quality-indicator .bar-2 {
  height: 9px;
}
.quality-indicator .bar-3 {
  height: 13px;
}

.quality-indicator.quality-good .bar {
  background: var(--color-success);
}

.quality-indicator.quality-fair .bar-1,
.quality-indicator.quality-fair .bar-2 {
  background: var(--color-warning);
}

.quality-indicator.quality-poor .bar-1 {
  background: var(--color-error);
}

/* === F3.3.3: animación de puntos en estado CALLING === */

.calling-dots::after {
  content: '...';
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  width: 0;
  animation: calling-dots-anim 1.4s steps(4, end) infinite;
}

@keyframes calling-dots-anim {
  0% {
    width: 0;
  }
  25% {
    width: 0.3em;
  }
  50% {
    width: 0.6em;
  }
  75% {
    width: 0.9em;
  }
  100% {
    width: 0;
  }
}