:root {
    --bg: #f4f7f6;
    --surface: #ffffff;
    --border: #e2e8f0;
    --border2: #cbd5e1;
    --text: #334155;
    --text2: #64748b;
    --accent: #0f172a;
    --primary: #007bff;
    --primary-hover: #0056b3;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --radius: 8px;
    --radius-lg: 12px;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: var(--font-family); }
body { background-color: var(--bg); color: var(--text); min-height: 100vh; }

/* HEADER */
.app-header {
    background-color: var(--surface);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border);
    box-shadow: var(--shadow);
}
.logo-area { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; color: var(--accent); font-weight: bold; }
.logo-img { height: 34px; width: auto; object-fit: contain; }

.header-controls { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }
.header-controls select, .header-controls input {
    background: var(--bg); border: 1px solid var(--border2); color: var(--accent);
    padding: 6px 10px; border-radius: var(--radius); font-weight: 600; outline: none;
}

.ws-badge { font-size: 0.8rem; font-weight: bold; padding: 6px 12px; border-radius: 20px; display: inline-flex; align-items: center; gap: 6px; }
.ws-online { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.ws-offline { background: #fee2e2; color: #dc2626; border: 1px solid #fecaca; }

/* NAVEGAÇÃO EM ABAS CENTRALIZADA */
.tab-nav {
    background: var(--surface);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    gap: 12px;
}
.tab-btn {
    background: none; border: none; color: var(--text2); padding: 12px 18px;
    font-size: 0.92rem; font-weight: 600; cursor: pointer; border-bottom: 3px solid transparent;
    transition: all 0.2s ease; display: inline-flex; align-items: center; gap: 8px;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-btn:hover { color: var(--accent); }

/* CONTAINER PRINCIPAL */
.content-container { padding: 20px 24px; max-width: 1600px; margin: 0 auto; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* CARDS */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 12px;
}
.card-header h2, .card-header h3 { font-size: 1.15rem; color: var(--accent); font-weight: bold; }

/* DASHBOARD AO VIVO */
.grid-dashboard { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.live-snapshots { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.snapshot-box {
    background: var(--bg); border: 2px solid var(--border);
    border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
}
.box-label {
    background: var(--surface); padding: 8px 12px; font-size: 0.82rem;
    font-weight: bold; color: var(--accent); border-bottom: 1px solid var(--border);
}
.img-wrapper { height: 260px; display: flex; align-items: center; justify-content: center; background: #000; }
.img-wrapper img { max-width: 100%; max-height: 100%; object-fit: contain; }
.box-footer {
    padding: 8px 12px; background: var(--surface); font-size: 0.9rem;
    text-align: center; border-top: 1px solid var(--border); color: var(--text);
}

.ttl-badge {
    background: #fef3c7; color: #b45309; padding: 6px 12px;
    border-radius: var(--radius); font-weight: bold; font-size: 0.85rem; border: 1px solid #fde68a;
}

.status-banner {
    padding: 12px 16px; border-radius: var(--radius); font-weight: 600;
    font-size: 0.92rem; text-align: center; box-shadow: var(--shadow);
}
.status-idle { background: #f8fafc; color: var(--text2); border: 1px solid var(--border2); }
.status-liberado { background: #dcfce7; color: #15803d; border: 1px solid #86efac; }
.status-negado { background: #fee2e2; color: #dc2626; border: 1px solid #fca5a5; }
.status-aguardando { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }

/* FEED DE EVENTOS */
.feed-list { display: flex; flex-direction: column; gap: 8px; max-height: 480px; overflow-y: auto; }
.feed-item {
    background: var(--bg); padding: 10px 14px; border-radius: var(--radius);
    border-left: 5px solid var(--border2); font-size: 0.88rem; color: var(--text);
}
.feed-item.liberado { border-left-color: var(--success); background: #f0fdf4; }
.feed-item.negado { border-left-color: var(--danger); background: #fef2f2; }
.feed-item.aguardando { border-left-color: var(--warning); background: #fffbeb; }

/* TABELAS */
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f8fafc; color: var(--text2); font-weight: 700; text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.5px; }
tr:hover { background: #f8fafc; }

/* RESUMO E ESTATÍSTICAS */
.cards-resumo { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 20px; }
.card-stat {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow);
}
.card-stat h4 { color: var(--text2); font-size: 0.82rem; text-transform: uppercase; margin-bottom: 6px; }
.card-stat .valor { font-size: 1.6rem; font-weight: bold; color: var(--accent); }

/* BOTÕES */
.btn-primary {
    background: var(--primary); color: #fff; border: none; padding: 8px 16px;
    border-radius: var(--radius); cursor: pointer; font-weight: 600; transition: 0.2s;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary-sm {
    background: var(--primary); color: #fff; border: none; padding: 5px 10px;
    border-radius: 6px; cursor: pointer; font-size: 0.82rem; font-weight: 600;
}
.btn-secondary {
    background: var(--surface); color: var(--text); border: 1px solid var(--border2);
    padding: 8px 16px; border-radius: var(--radius); cursor: pointer; font-weight: 600;
}
.btn-secondary:hover { background: var(--bg); }
.btn-sync {
    background: var(--success); color: #fff; border: none; padding: 12px 24px;
    border-radius: var(--radius); font-weight: bold; cursor: pointer; font-size: 0.95rem;
}
.btn-sync:hover { background: #16a34a; }
.btn-danger-sm {
    background: #fee2e2; color: #dc2626; border: 1px solid #fecaca;
    padding: 4px 8px; border-radius: 6px; cursor: pointer; font-size: 0.78rem; font-weight: bold;
}
.btn-danger-sm:hover { background: var(--danger); color: #fff; }

/* MODAIS */
.modal {
    display: none; position: fixed; inset: 0; background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px); align-items: center; justify-content: center; z-index: 10000;
}
.modal-content {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    width: 480px; padding: 24px; box-shadow: var(--shadow-hover);
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.modal-header h3 { color: var(--accent); font-size: 1.15rem; }
.close-modal { cursor: pointer; font-size: 1.3rem; color: var(--text2); }
.close-modal:hover { color: var(--danger); }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input, .form-group select {
    width: 100%; background: var(--bg); border: 1px solid var(--border2);
    color: var(--text); padding: 8px 12px; border-radius: var(--radius); outline: none; font-size: 0.9rem;
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); background: #fff; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* USER BAR & LOGOUT */
.user-badge {
    display: flex; align-items: center; gap: 8px; background: var(--bg);
    padding: 6px 12px; border-radius: 20px; border: 1px solid var(--border); font-size: 0.85rem; font-weight: 600;
}
.btn-logout {
    color: var(--danger); background: none; border: none; cursor: pointer; font-size: 1rem; margin-left: 6px;
}
.btn-logout:hover { transform: scale(1.1); }

/* ETIQUETAS (PILLS) AMIGÁVEIS PARA TABELAS E RELATÓRIOS */
.badge-ui {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.badge-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.badge-danger  { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }
.badge-warning { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }
.badge-info    { background: #e0f2fe; color: #0369a1; border: 1px solid #bae6fd; }
.badge-neutral { background: #f1f5f9; color: #475569; border: 1px solid #e2e8f0; }

.placa-tag {
    font-family: 'Consolas', 'Courier New', monospace;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-top: 4px solid #003399;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 800;
    font-size: 0.88rem;
    color: #0f172a;
    letter-spacing: 1px;
    display: inline-block;
}

/* LINHAS CLICÁVEIS DOS ÚLTIMOS 10 EVENTOS */
.linha-evento-clicavel {
    cursor: pointer;
    transition: background 0.15s ease;
}
.linha-evento-clicavel:hover {
    background: #eef6ff !important;
}
.linha-evento-ativa {
    background: #e0f2fe !important;
    outline: 2px solid var(--primary);
}

/* LINHAS CLICÁVEIS DOS ÚLTIMOS 10 EVENTOS */
.linha-evento-clicavel {
    cursor: pointer;
    transition: background 0.15s ease;
}
.linha-evento-clicavel:hover {
    background: #eef6ff !important;
}
.linha-evento-ativa {
    background: #e0f2fe !important;
    outline: 2px solid var(--primary);
}

/* ETIQUETAS (PILLS) AMIGÁVEIS PARA TABELAS E RELATÓRIOS */
.badge-ui {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.badge-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.badge-danger  { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }
.badge-warning { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }
.badge-info    { background: #e0f2fe; color: #0369a1; border: 1px solid #bae6fd; }
.badge-neutral { background: #f1f5f9; color: #475569; border: 1px solid #e2e8f0; }

.placa-tag {
    font-family: 'Consolas', 'Courier New', monospace;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-top: 4px solid #003399;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 800;
    font-size: 0.88rem;
    color: #0f172a;
    letter-spacing: 1px;
    display: inline-block;
}

/* LINHAS CLICÁVEIS DOS ÚLTIMOS 10 EVENTOS */
.linha-evento-clicavel {
    cursor: pointer;
    transition: background 0.15s ease;
}
.linha-evento-clicavel:hover {
    background: #eef6ff !important;
}
.linha-evento-ativa {
    background: #e0f2fe !important;
    outline: 2px solid var(--primary);
}

/* ETIQUETAS (PILLS) AMIGÁVEIS PARA TABELAS E RELATÓRIOS */
.badge-ui {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.badge-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.badge-danger  { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }
.badge-warning { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }
.badge-info    { background: #e0f2fe; color: #0369a1; border: 1px solid #bae6fd; }
.badge-neutral { background: #f1f5f9; color: #475569; border: 1px solid #e2e8f0; }

.placa-tag {
    font-family: 'Consolas', 'Courier New', monospace;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-top: 4px solid #003399;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 800;
    font-size: 0.88rem;
    color: #0f172a;
    letter-spacing: 1px;
    display: inline-block;
}

/* LINHAS CLICÁVEIS DOS ÚLTIMOS 10 EVENTOS */
.linha-evento-clicavel {
    cursor: pointer;
    transition: background 0.15s ease;
}
.linha-evento-clicavel:hover {
    background: #eef6ff !important;
}
.linha-evento-ativa {
    background: #e0f2fe !important;
    outline: 2px solid var(--primary);
}