:root {
    --bs-body-bg: #f3f3f3;
    --bs-body-color: #212529;
    --card-bg: #fff;
    --card-border-color: #e9ecef;
    --card-hover-shadow: rgba(0, 0, 0, 0.08);
    --card-active-shadow: rgba(0, 0, 0, 0.05);
    --text-muted: #6c757d;
}

body {
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    font-family: 'Inter', sans-serif;
    transition: background-color 0.3s ease;
}

.icon-space {
    margin-right: 12px;
}

.main-container {
    max-width: 1280px;
    margin: auto;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
    background-color: var(--bs-body-bg);
}

.login-card,
.room-card,
.agendamento-card,
.filters-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border-color);
    box-shadow: 0 2px 5px var(--card-active-shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.login-card {
    width: 100%;
    max-width: 450px;
    border-radius: 0.75rem;
}

.room-card {
    border-radius: 0.5rem;
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
}

.room-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px var(--card-hover-shadow);
}

.room-card .card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--card-border-color);
    font-weight: 600;
    min-width: 0;
}

.room-card .card-header h5 {
    word-break: break-all;
}

.room-card .card-body {
    flex-grow: 1;
}

.room-card .card-body p {
    margin-bottom: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.room-card .card-body i {
    margin-right: 14px;
    font-size: 1.1rem;
}

.room-card .card-footer {
    background-color: transparent;
    border-top: 1px solid var(--card-border-color);
}

.agendamento-card {
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.agendamento-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px var(--card-hover-shadow);
}

.agendamento-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.agendamento-header h5 {
    margin-bottom: 0;
    font-weight: 600;
}

.agendamento-card .row .col-md-6 > p {
    margin-bottom: 0.5rem !important;
}

.filters-card {
    padding: 1.5rem;
    border-radius: 0.5rem;
}

.nav-tabs {
    border-bottom: 1px solid var(--card-border-color);
}

.nav-tabs .nav-link {
    color: var(--text-muted);
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.3s ease;
}

.nav-tabs .nav-link.active {
    color: var(--bs-primary);
    border-color: var(--bs-primary);
    background-color: transparent;
    font-weight: 600;
}

.login-card .nav-tabs .nav-link {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.login-card .nav-tabs .nav-link i {
    margin-right: 8px;
}

.form-control,
.form-select {
    background-color: transparent;
    color: var(--bs-body-color);
    border: 1px solid var(--card-border-color);
    transition: border-color 0.3s ease;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:focus,
.form-select:focus,
.btn:focus,
.nav-tabs .nav-link:focus {
    box-shadow: none !important;
}

.badge.bg-lab-info { background-color: #22c55e !important; }
.badge.bg-sala-aula { background-color: #64748b !important; }
.badge.bg-lab-fisica { background-color: #3b82f6 !important; }
.badge.bg-auditorio { background-color: #f59e0b !important; }

.dias-semana-badge {
    display: inline-block;
    background-color: var(--card-border-color);
    padding: 0.25rem 0.6rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.badge-agendamentos {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 0.8em;
    font-weight: 600;
    color: var(--bs-body-color);
    background-color: var(--card-border-color);
    border-radius: 50rem;
    margin-left: 8px;
    transform: translateY(-2px);
    transition: background-color 0.2s ease;
}

.room-card .room-card-actions {
    display: flex;
    align-items: center;
}

.room-card .badge {
    transition: margin-right 0.3s ease-in-out;
}

.room-card .btn-excluir-sala {
    background-color: transparent;
    border: none;
    color: var(--bs-danger);
    width: 0;
    padding: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.3s ease-in-out;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.room-card:hover .room-card-actions .badge {
    margin-right: 8px;
}

.room-card:hover .room-card-actions .btn-excluir-sala {
    width: 31px;
    opacity: 1;
    border-width: 1px;
}

.status-disponivel {
    color: #198754;
    font-weight: 500;
}

.status-ocupada {
    color: #dc3545;
    font-weight: 500;
}

.dias-mobile {
    display: none;
}

@media (min-width: 768px) {
    .dias-mobile {
        display: none !important;
    }
    .dias-desktop {
        display: block;
    }
}

@media (max-width: 767px) {
    body {
        font-size: 14px;
        min-height: 100vh;
    }

    .main-container {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }

    .main-container header.d-flex {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 1.5rem;
        margin-bottom: 1.5rem !important;
    }

    .main-container header .d-flex.gap-2 {
        flex-direction: column !important;
        gap: 0.75rem !important;
        width: 100%;
        margin-top: 0.5rem;
    }

    .main-container header .btn,
    .main-container header a.btn {
        width: 100%;
        margin-bottom: 0 !important;
    }

    .filters-card,
    .agendamento-card {
        padding: 1rem;
        margin-bottom: 1.5rem !important;
    }

    #salas-grid .col-xl-3,
    #salas-grid .col-lg-4,
    #salas-grid .col-md-6,
    #salas-grid .col-sm-12 {
        width: 100% !important;
        margin-bottom: 1rem;
    }

    .room-card,
    .agendamento-card {
        margin-bottom: 0 !important;
    }

    .room-card .card-body p {
        font-size: 0.9rem;
    }

    .room-card .room-card-actions .btn-excluir-sala {
        width: auto;
        padding: 0.375rem 0.75rem;
        opacity: 1;
        border-width: 1px;
    }

    .nav-tabs {
        flex-direction: row !important;
        justify-content: center !important;
        gap: 0.5rem !important;
        border-bottom: none;
        padding: 0;
        margin-bottom: 1.2rem !important;
    }

    .nav-tabs .nav-item {
        flex: 1 1 0;
        width: 50% !important;
        min-width: 0;
        margin: 0 !important;
    }

    .nav-tabs .nav-link {
        border: none !important;
        border-radius: 1.2rem !important;
        background: #fff !important;
        color: #222 !important;
        font-size: 0.98rem !important;
        font-weight: 500 !important;
        padding: 0.7rem 0.2rem !important;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        text-align: center;
        width: 100%;
    }

    .nav-tabs .nav-link.active {
        background: var(--bs-primary) !important;
        color: #fff !important;
        font-weight: 600 !important;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
    }

    .nav-tabs .nav-link i,
    .nav-tabs .nav-link .badge-agendamentos {
        display: none !important;
    }

    .login-container {
        align-items: center;
        min-height: 100vh;
    }

    .login-card {
        max-width: 380px;
        width: 100%;
        margin: auto;
    }

    .login-card .nav-tabs {
        flex-wrap: nowrap;
        justify-content: space-around;
    }

    .login-card .nav-tabs .nav-link {
        flex-grow: 1;
        text-align: center;
    }

    .filters-card .row {
        flex-direction: column !important;
        gap: 0.25rem !important;
    }

    .filters-card .row > div {
        margin-bottom: 0 !important;
        padding: 0 !important;
    }

    .dias-desktop {
        display: none;
    }

    .dias-mobile {
        display: block;
        text-align: left;
        margin-top: 0.75rem;
    }
    
    .agendamento-card .row.g-3 {
        --bs-gutter-y: 0;
    }
    .agendamento-card .row.g-3 .col-md-6 p {
        margin-bottom: 0.75rem;
    }
    .agendamento-card .row.g-3 .col-md-6:last-child p:last-child {
        margin-bottom: 0;
    }
}

.main-container {
    position: relative;
}

.btn-mobile-sair {
    position: absolute;
    top: 2rem;
    right: 1.5rem;
    z-index: 10;
    background-color: #6c757d;

    font-size: 0.9rem;          
    padding: 0.4rem 0.8rem;     
    line-height: 1.5;        
}