body {
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    width: 280px;
    height: 100vh;
    position: fixed;
    top: 56px; /* altura navbar */
    left: 0;
    background-color: #212529;
    padding-top: 1rem;
    z-index: 1050; /* 🔑 CLAVE */
}
.sidebar a {
    color: #adb5bd;
    text-decoration: none;
    padding: 10px 20px;
    display: block;
    font-size: 0.95rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.sidebar a:hover {
    background-color: #d8e0f4;
    color: #fff;
}
.sidebar a.active {
    background-color: #495057;
    color: #fff;
}

.sidebar-open::before {
    content: "";
    position: fixed;
    top: 56px;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.4);
    z-index: 1040;
}

/* Sidebar móvil */
@media (max-width: 991.98px) {
.sidebar {
    left: -280px;
    transition: left 0.3s ease;
}
.sidebar-open .sidebar {
    left: 0;
}
}
@media (min-width: 992px) {
.content {
    margin-left: 280px;
}
}

/* Contenido */
.content {
    margin-top: 56px;
    padding: 20px;
    height: calc(100vh - 56px);
    overflow-y: auto;
    transition: margin-left 0.3s ease;
}

/* Room Cards */
.room-card {
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.room-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}
.room-free {
    background-color: #ffffff; /*#e6f4ea;*/
    border-left: 6px solid #198754;
}
.room-occupied {
    background-color: #fdecea;
    border-left: 6px solid #dc3545;
}
.room-number {
    font-size: 1.5rem;
    font-weight: 600;
}