/* Variables de Entorno para Temas */
:root[data-theme="light"] {
    --bg-main: #f4f7fc;
    --bg-card: #ffffff;
    --bg-sidebar: #1e293b;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-sidebar: #f8fafc;
    --border-color: #e2e8f0;
    --accent-color: #2563eb;
    --hover-color: rgba(37, 99, 235, 0.1);
}

:root[data-theme="dark"] {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-sidebar: #020617;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-sidebar: #94a3b8;
    --border-color: #334155;
    --accent-color: #3b82f6;
    --hover-color: rgba(59, 130, 246, 0.2);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
}

.wrapper {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* SIDEBAR STYLES */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    color: var(--text-sidebar);
    display: flex;
    flex-direction: column;
    padding: 20px;
    transition: all 0.3s ease;
    z-index: 100;
}

.sidebar.collapsed {
    margin-left: -280px;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.account-selector-area {
    margin-bottom: 20px;
    font-size: 12px;
}

.select-account {
    width: 100%;
    padding: 8px;
    background: #334155;
    color: #fff;
    border: 1px solid #475569;
    border-radius: 4px;
    margin-top: 5px;
}

.btn-compose {
    background-color: var(--accent-color);
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 20px;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.menu-item {
    color: var(--text-sidebar);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 6px;
    display: flex;
    gap: 10px;
}

.menu-item.active, .menu-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* CONTENIDO PRINCIPAL Y PESTAÑAS */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    display: none;
    background-color: var(--bg-card);
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

/* Barra de Pestañas */
.tabs-bar {
    display: flex;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding-top: 5px;
    padding-left: 10px;
    gap: 5px;
    overflow-x: auto;
}

.tab {
    background-color: var(--bg-main);
    padding: 10px 20px;
    border-radius: 8px 8px 0 0;
    border: 1px solid var(--border-color);
    border-bottom: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.tab.active {
    background-color: var(--bg-card);
    font-weight: bold;
    border-bottom: 2px solid var(--accent-color);
}

.tab .close-tab {
    font-weight: bold;
    color: var(--text-muted);
}

.tab .close-tab:hover {
    color: red;
}

.tabs-container {
    flex-grow: 1;
    background-color: var(--bg-card);
    padding: 20px;
    overflow-y: auto;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* TABLA DE CORREOS */
.mailbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.mail-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.mail-table th, .mail-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.mail-row:hover {
    background-color: var(--hover-color);
    cursor: pointer;
}

.mail-row.unread {
    font-weight: bold;
    background-color: rgba(37, 99, 235, 0.03);
}

/* DISEÑO RESPONSIVO (MÓVILES) */
@media (max-width: 768px) {
    .sidebar {
        position: absolute;
        height: 100vh;
    }
    .sidebar.collapsed {
        margin-left: -280px;
    }
    .top-bar {
        display: flex;
        align-items: center;
        gap: 15px;
    }
	/* ESTILOS DEL MÓDULO DE CONFIGURACIÓN */
.config-module {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-main);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.config-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
    text-align: left;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
}

.form-group input, .form-group select, .form-group textarea {
    padding: 10px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    border-radius: 6px;
    font-size: 14px;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-section-title {
    font-size: 14px;
    font-weight: bold;
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
    margin-top: 15px;
}

.btn-save-account {
    background-color: #10b981; /* Verde éxito */
    color: white;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 15px;
}

.btn-save-account:hover {
    background-color: #059669;
}

@media (max-width: 600px) {
    .form-grid, .form-grid-3 {
        grid-template-columns: 1fr;
    }
}