/* ==========================================================================
   VARIÁVEIS DE TEMA (Cores Suaves, Sem Pretos Pesados, Sem Amarelo)
   ========================================================================== */
:root {
    /* Fundo e Superfícies */
    --bg-main: #f8fafc;        /* Fundo principal da página (claro e suave) */
    --bg-panel: #ffffff;       /* Fundo de painéis e cartões */
    --bg-element: #f1f5f9;     /* Fundo de elementos inativos/secundários */
    --bg-video: #cbd5e1;       /* Fundo de placeholders de vídeo */
    
    /* Textos (Evitando preto puro e pesos excessivos) */
    --text-primary: #334155;   /* Texto principal (cinza escuro suave) */
    --text-secondary: #64748b; /* Texto secundário/mudo */
    
    /* Cores de Destaque e Ações (Suaves) */
    --accent-blue: #3b82f6;    /* Ação principal */
    --accent-blue-hover: #2563eb;
    --accent-indigo: #6366f1;  /* Substitui o amarelo para estados de 'aguardando' */
    --accent-green: #10b981;   /* Sucesso / Ao vivo */
    --accent-green-hover: #059669;
    --accent-red: #ef4444;     /* Erros e encerrar chamadas */
    --accent-red-hover: #dc2626;
    
    /* Bordas e Sombras (Respiro espacial) */
    --border-soft: #e2e8f0;
    --shadow-soft: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    
    /* Arredondamento */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* ==========================================================================
   RESET & TIPOGRAFIA GLOBAIS
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-weight: 400; /* Peso padrão leve */
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 24px;
}

strong {
    font-weight: 600; /* Evitando bold pesado (800/900) */
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   LAYOUTS PRINCIPAIS
   ========================================================================== */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-soft);
    margin-bottom: 24px;
}

/* Container do Host (Grid com área principal e sidebar) */
.host-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
}

@media (min-width: 992px) {
    .host-layout {
        grid-template-columns: 3fr 1fr; /* 3/4 para vídeo, 1/4 para controles */
    }
}

/* Container do Guest (Centralizado) */
.guest-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
    gap: 24px;
}

/* ==========================================================================
   COMPONENTES
   ========================================================================== */

/* Logo e Badges */
.logo-group { display: flex; align-items: center; gap: 12px; }
.badge-live { background-color: var(--accent-red); color: white; padding: 4px 12px; border-radius: var(--radius-sm); font-weight: 600; font-size: 14px; letter-spacing: 1px; }
.logo-title { font-size: 20px; font-weight: 600; }
.logo-version { font-size: 12px; color: var(--text-secondary); font-weight: 400; }

/* Status de Conexão */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-soft);
    padding: 8px 16px;
    border-radius: 99px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot { width: 10px; height: 10px; border-radius: 50%; }
.status-connecting { background-color: var(--accent-indigo); animation: pulse 2s infinite; }
.status-connected { background-color: var(--accent-green); }
.status-error { background-color: var(--accent-red); }

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

/* Área de Vídeo Principal */
.video-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background-color: var(--bg-video);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-soft);
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-element-main { width: 100%; height: 100%; object-fit: cover; }

/* PiP (Picture in Picture) - Vídeo Local */
.video-pip {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 160px;
    aspect-ratio: 16/9;
    background-color: var(--bg-video);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 3px solid white;
    box-shadow: var(--shadow-soft);
}
.video-element-local { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }

/* Etiquetas flutuantes sobre o vídeo */
.floating-tag {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-primary);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 6px;
}
.tag-top-left { top: 16px; left: 16px; }
.tag-bottom-left { bottom: 6px; left: 8px; font-size: 10px; padding: 2px 6px; }

/* Overlay quando a câmera está desligada */
.preview-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(248, 250, 252, 0.95); /* --bg-main com opacidade */
    gap: 20px;
    padding: 24px;
    text-align: center;
}

/* Painéis de Controles e Sidebar */
.control-panel {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-soft);
}

.controls-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.controls-group { display: flex; align-items: center; gap: 12px; }
.sidebar-panel { display: flex; flex-direction: column; gap: 24px; }
.sidebar-section { display: flex; flex-direction: column; gap: 12px; }
.section-title { font-size: 16px; font-weight: 600; border-bottom: 1px solid var(--border-soft); padding-bottom: 12px; margin-bottom: 8px; }
.input-label { font-size: 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background-color: var(--accent-blue); color: white; }
.btn-primary:not(:disabled):hover { background-color: var(--accent-blue-hover); }
.btn-success { background-color: var(--accent-green); color: white; width: 100%; }
.btn-success:not(:disabled):hover { background-color: var(--accent-green-hover); }
.btn-danger { background-color: var(--accent-red); color: white; }
.btn-danger:not(:disabled):hover { background-color: var(--accent-red-hover); }

/* Ícones de controle de mídia */
.btn-icon {
    background-color: var(--bg-element);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: 0.2s;
}
.btn-icon:not(:disabled):hover { background-color: var(--border-soft); }
.btn-icon.active-state { background-color: var(--accent-blue); color: white; }
.btn-icon.disabled-state { background-color: #fee2e2; color: var(--accent-red); } /* Vermelho suave quando mutado */

/* Campos de Texto (Inputs) */
.input-text {
    background-color: var(--bg-main);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text-primary);
    outline: none;
    width: 100%;
    transition: border-color 0.2s;
}
.input-text:focus { border-color: var(--accent-blue); }
.input-code-display {
    background-color: var(--bg-element);
    padding: 12px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-family: monospace;
    font-size: 18px;
    color: var(--accent-blue);
    letter-spacing: 2px;
    border: 1px dashed var(--border-soft);
}

/* Chat */
.chat-window {
    background-color: var(--bg-main);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    height: 120px;
    padding: 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
}
.chat-window-guest { height: 80px; } /* Chat do convidado é menor */
.chat-msg-self { color: var(--accent-blue); font-weight: 600; }
.chat-msg-other { color: var(--accent-green); font-weight: 600; }
.chat-system { color: var(--text-secondary); font-style: italic; text-align: center; margin: auto; }

/* Scrollbars customizadas */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-soft); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }