/* VARIABLES GLOBALES Y TEMAS */
:root {
  --bg: #121212; --panel: #1e1e1e; --accent: #0078d7;
  --text: #ffffff; --danger: #d13438; --success: #107c10; --border: #444;
  --btn-size: 130px;
}

body.theme-light {
  --bg: #f5f5f5; --panel: #ffffff; --text: #121212; --border: #ccc;
  --accent: #005a9e;
}

body.theme-neon {
  --bg: #050510; --panel: #0a0a2a; --text: #00ffff; --border: #ff00ff;
  --accent: #ff00ff; --danger: #ff0055; --success: #00ff00;
}

body.theme-forest {
  --bg: #0f1713; --panel: #16231c; --text: #d8f3dc; --border: #2f4a3a;
  --accent: #2e8b57; --danger: #c0392b; --success: #27ae60;
}

body.theme-sunset {
  --bg: #1a1225; --panel: #2a1a33; --text: #ffe8d6; --border: #4a2c5a;
  --accent: #e07a5f; --danger: #e63946; --success: #2a9d8f;
}

body.theme-terminal {
  --bg: #0d0d0d; --panel: #161616; --text: #33ff33; --border: #2e2e2e;
  --accent: #00ff41; --danger: #ff004d; --success: #00ff41;
  font-family: 'Consolas', 'Courier New', monospace;
}

body {
  margin: 0; background-color: var(--bg); color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  height: 100dvh; display: flex; flex-direction: column; overflow: hidden;
  transition: background-color 0.3s, color 0.3s;
}

/* Colores de la barra de audio */
.lufs-bar-green { background-color: var(--success) !important; }
.lufs-bar-yellow { background-color: #ffcc00 !important; }
.lufs-bar-red { background-color: var(--danger) !important; }

/* Barra de estado superior */
.top-stats { display: flex; gap: 20px; font-family: monospace; font-size: 1.1rem; background: var(--panel); padding: 10px; border-radius: 8px; margin: 10px; align-items: center; flex-wrap: wrap; }
.lufs-text { font-size: 0.8rem; min-width: 40px; }
.lufs-meter { height: 10px; background: #333; width: 100px; border-radius: 5px; overflow: hidden; }
#lufs-bar { height: 100%; width: 0%; background: var(--success); transition: 0.1s; }

/* Previsualización */
.preview-container { width: 100%; max-width: 400px; aspect-ratio: 16/9; background: #000; border: 2px solid var(--border); margin: 0 auto; overflow: hidden; display: flex; align-items: center; justify-content: center; }
#preview-img { width: 100%; height: 100%; object-fit: contain; }

/* Pantalla de login */
#login-screen { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; padding: 20px; }
.panel-box { background: var(--panel); padding: 30px; border-radius: 12px; display: flex; flex-direction: column; gap: 15px; width: 100%; max-width: 350px; border: 1px solid var(--border); box-shadow: 0 8px 25px rgba(0,0,0,0.5); }
.login-title { margin: 0; text-align: center; display: flex; align-items: center; justify-content: center; gap: 10px; }
.login-error { color: var(--danger); font-size: 0.9em; text-align: center; min-height: 1.2em; }
.login-hint { color: var(--text); opacity: 0.6; font-size: 0.8em; text-align: center; }

/* Aviso cuando la app se sirve por HTTPS (no se puede abrir ws:// a la LAN). */
.hint-box {
  background: color-mix(in srgb, var(--warning, #ffb300) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--warning, #ffb300) 45%, transparent);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.82em;
  line-height: 1.5;
  margin-bottom: 12px;
  text-align: left;
  color: var(--text);
}
.hint-box code {
  background: color-mix(in srgb, var(--text) 12%, transparent);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.95em;
  word-break: break-all;
}
.hint-box strong { color: var(--warning, #ffb300); }
.hint-hidden { display: none; }

/* Panel del login con las IPs del equipo donde corre el servidor. La misma
   ventana sirve para el PC con OBS y para una tablet, y cada caso necesita
   datos distintos: aquí se explican los dos. */
.lan-box {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 12px 0 4px;
  text-align: left;
  font-size: 0.82em;
  line-height: 1.5;
}
.lan-box-title {
  font-weight: 600;
  margin-bottom: 6px;
  opacity: 0.85;
}
.lan-box-ips { display: flex; flex-direction: column; gap: 6px; }
.lan-ip-row { display: flex; align-items: center; gap: 8px; }
.lan-ip {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.05em;
  background: color-mix(in srgb, var(--text) 12%, transparent);
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  flex: 1;
  text-align: center;
}
.lan-ip-use {
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.9em;
  white-space: nowrap;
}
.lan-ip-use:hover { background: color-mix(in srgb, var(--accent) 20%, transparent); }
.lan-box-note { margin-top: 6px; opacity: 0.7; font-size: 0.95em; }

input, select { padding: 10px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }
input:focus, select:focus { outline: none; border-color: var(--accent); }
input[type="color"] { padding: 2px; height: 40px; cursor: pointer; }

button.primary { background-color: var(--accent); color: #fff; border: none; padding: 12px; border-radius: 6px; cursor: pointer; font-weight: bold; display: flex; justify-content: center; align-items: center; gap: 8px; }
button.primary:hover { filter: brightness(1.2); }
button.primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-ghost { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text); padding: 10px; cursor: pointer; }
.btn-ghost:hover { border-color: var(--accent); }

/* Barra superior */
.header-bar { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; background: var(--panel); border-bottom: 2px solid var(--border); box-shadow: 0 4px 10px rgba(0,0,0,0.3); z-index: 10; }
.header-brand { display: flex; align-items: center; gap: 10px; }
.header-title { font-size: 1.2rem; }
.status-dot { width: 14px; height: 14px; background: var(--danger); border-radius: 50%; }
.header-controls { display: flex; gap: 10px; }
.btn-header { background: transparent; color: var(--text); border: 1px solid var(--border); padding: 8px 12px; border-radius: 6px; cursor: pointer; display: flex; align-items: center; gap: 5px; transition: 0.2s; }
.btn-header:hover { background: rgba(255,255,255,0.1); }
.btn-header.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Contenedor principal */
#main-screen { display: none; flex-direction: column; height: 100%; }
.main-container { display: flex; flex-direction: column; flex-grow: 1; overflow-y: auto; padding: 20px; gap: 20px; }

.section-container { display: flex; flex-direction: column; gap: 10px; transition: 0.3s opacity; }
.section-title { font-size: 1.2rem; margin: 0; border-bottom: 1px solid var(--border); padding-bottom: 5px; display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.section-label { display: flex; align-items: center; gap: 8px; }

/* Grids y botones */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(var(--btn-size), 1fr)); gap: 15px; }
#sources-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.controls-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }

.deck-btn {
  background-color: var(--panel); border: 2px solid var(--border); border-radius: 12px;
  color: var(--text); cursor: pointer; min-height: var(--btn-size);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: all 0.2s; position: relative; overflow: hidden; padding: 10px; text-align: center; gap: 8px; font-weight: bold;
  font-family: inherit;
}
.deck-btn img { width: 100%; height: 100%; object-fit: cover; position: absolute; top: 0; left: 0; opacity: 0.5; }
.deck-btn span.label { z-index: 1; background: rgba(0,0,0,0.6); padding: 4px 8px; border-radius: 6px; color: white; }
.deck-btn:hover { filter: brightness(1.3); transform: translateY(-2px); }

/* Estados */
.deck-btn.active-scene { border-color: var(--success); box-shadow: 0 0 15px rgba(16, 124, 16, 0.4); }
.deck-btn.active-scene img { opacity: 0.9; }
.btn-on { background-color: var(--danger); border-color: #ff4a4a; color: white; }

.source-btn { min-height: 70px; flex-direction: row; gap: 10px; justify-content: flex-start; padding: 0 15px; }
.source-btn .label { background: transparent; color: var(--text); }
.source-btn.source-on { border-color: var(--accent); background: rgba(0, 120, 215, 0.1); }
.source-btn.source-off { opacity: 0.5; }

/* Modo edición */
.edit-controls { position: absolute; top: 5px; right: 5px; z-index: 5; display: none; flex-direction: column; gap: 5px; }
.edit-mode .edit-controls { display: flex; }
.edit-mode .deck-btn { border-style: dashed; }
.edit-mode .hidden-item { opacity: 0.3; filter: grayscale(100%); }

.icon-btn { background: rgba(0,0,0,0.8); border: none; color: white; border-radius: 4px; cursor: pointer; padding: 4px; display: flex; }
.icon-btn:hover { color: var(--accent); }
.upload-input { display: none; }

/* Visibilidad de secciones */
.section-toggle { display: none; cursor: pointer; background: transparent; border: none; color: var(--text); }
.edit-mode .section-toggle { display: flex; }
.section-hidden { display: none !important; }
.edit-mode .section-hidden { display: flex !important; opacity: 0.5; }

/* Modal de ajustes */
#settings-modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); align-items: center; justify-content: center; z-index: 100; }
#settings-modal.open { display: flex; }
.settings-title { margin: 0; border-bottom: 1px solid var(--border); padding-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.settings-actions { display: flex; gap: 10px; margin-top: 10px; }
.settings-actions button { flex: 1; }
.checkbox-row { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }

/* Modal del escáner QR */
#qr-modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); align-items: center; justify-content: center; z-index: 100; padding: 20px; box-sizing: border-box; }
#qr-modal.open { display: flex; }
.qr-box { max-width: 420px; }
.qr-viewport { position: relative; aspect-ratio: 4/3; background: #000; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
#qr-video { width: 100%; height: 100%; object-fit: cover; display: none; }
#qr-video.visible { display: block; }
.qr-status { position: absolute; left: 0; right: 0; bottom: 0; padding: 8px; text-align: center; background: rgba(0,0,0,0.75); color: var(--text); font-size: 0.85em; }
.qr-status.error { color: var(--danger); }
.qr-upload-btn { display: flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; }
.qr-upload-btn:hover { border-color: var(--accent); }
.qr-actions { display: flex; gap: 10px; }
.qr-actions button { flex: 1; }

/* QR de la app (para abrir desde otro dispositivo) */
#app-qr-modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); align-items: center; justify-content: center; z-index: 100; padding: 20px; box-sizing: border-box; }
#app-qr-modal.open { display: flex; }
.app-qr-code { background: #ffffff; padding: 14px; border-radius: 10px; display: flex; justify-content: center; align-items: center; min-height: 220px; }
.app-qr-code img, .app-qr-code canvas { display: block; }
.qr-actions button { flex: 1; }

/* Autodescubrimiento LAN */
.lan-scan { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--border); padding-top: 12px; }
.lan-scan-title { font-weight: bold; opacity: 0.85; }
.lan-scan-row { display: flex; gap: 8px; }
.lan-scan-row input { flex: 1; min-width: 0; }

/* Opciones avanzadas (login simplificado) */
details.advanced { border-top: 1px solid var(--border); padding-top: 10px; }
details.advanced summary { cursor: pointer; opacity: 0.7; font-size: 0.85em; user-select: none; margin-bottom: 8px; }
details.advanced[open] summary { opacity: 0.9; }
.lan-scan-row button { white-space: nowrap; }
#lan-status.error { color: var(--danger); opacity: 1; }
.lan-results { display: flex; flex-wrap: wrap; gap: 8px; }
.lan-result { padding: 6px 10px; font-family: monospace; }

/* Perfiles de conexión */
.profile-chip { display: flex; align-items: stretch; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.profile-name { background: var(--bg); color: var(--text); border: none; padding: 6px 10px; cursor: pointer; font-size: 0.9em; }
.profile-name:hover { color: var(--accent); }
.profile-del { background: transparent; color: var(--text); opacity: 0.6; border: none; border-left: 1px solid var(--border); padding: 6px 8px; cursor: pointer; font-size: 0.85em; }
.profile-del:hover { color: var(--danger); opacity: 1; }

/* Notificaciones (toasts) */
#toast-container { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 300; }
.toast { background: var(--panel); color: var(--text); border: 1px solid var(--border); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 8px; box-shadow: 0 4px 14px rgba(0,0,0,0.45); max-width: 340px; animation: toast-in .25s ease; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.info { border-left-color: var(--accent); }
.toast.hide { opacity: 0; transform: translateY(12px); transition: opacity .3s, transform .3s; }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }