:root {
    --bg-color: #0a0a0a;
    --card-bg: #1a1a1a;
    --text-color: #e0e0e0;
    --accent-color: #d4af37;
    --accent-hover: #b5952f;
    --danger-color: #ff3b30;
    --sidebar-width: 250px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    max-width: 100vw;
}

/* Sidebar */
#wrapper {
    overflow-x: hidden;
    position: relative;
}
#sidebar-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    background-color: var(--bg-color);
    min-height: 100vh;
    margin-left: -var(--sidebar-width);
    transition: margin .25s ease-out;
    width: var(--sidebar-width);
    border-right: 1px solid #333;
}
#wrapper.toggled #sidebar-wrapper {
    margin-left: 0;
    box-shadow: 5px 0 15px rgba(0,0,0,0.8);
}
#page-content-wrapper {
    width: 100%;
}
.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0,0,0,0.7);
    z-index: 1040;
    backdrop-filter: blur(2px);
}
.sidebar-heading {
    padding: 0.875rem 1.25rem;
    font-size: 1.2rem;
}
.list-group-item {
    border: none;
    padding: 1rem 1.5rem;
    transition: all 0.2s;
}
.list-group-item:hover, .active-link {
    background-color: #2a2a2a !important;
    color: var(--accent-color) !important;
    border-left: 4px solid var(--accent-color);
}
.text-accent {
    color: var(--accent-color) !important;
}
.btn-accent {
    background-color: var(--accent-color);
    color: #000;
    font-weight: bold;
    border: none;
}
.btn-accent:hover {
    background-color: var(--accent-hover);
    color: #000;
}
.btn-outline-accent {
    color: var(--accent-color);
    border-color: var(--accent-color);
}
.btn-outline-accent:hover {
    background-color: var(--accent-color);
    color: #000;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid #333;
    color: var(--text-color);
}
.card-header {
    border-bottom: 1px solid #333;
}
.custom-input {
    background-color: #2a2a2a;
    border: 1px solid #444;
    color: var(--text-color);
}
.custom-input:focus {
    background-color: #333;
    border-color: var(--accent-color);
    color: var(--text-color);
    box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
}

/* Select fixes for dark theme */
select.custom-input option {
    background-color: #1a1a1a;
    color: #e0e0e0;
}

/* Login */
.login-body {
    height: 100vh;
    background: radial-gradient(circle, #1a1a1a 0%, #0a0a0a 100%);
}
.login-card {
    width: 100%;
    max-width: 400px;
    border-top: 4px solid var(--accent-color);
    background-color: var(--card-bg);
}

/* Alerts */
.card-alert {
    border: 1px solid var(--danger-color);
    box-shadow: 0 0 15px rgba(255, 59, 48, 0.3);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 59, 48, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 59, 48, 0); }
}

/* Modals */
.modal-content {
    background-color: var(--card-bg);
    border: 1px solid #444;
}
.modal-header {
    border-bottom: 1px solid #333;
}
.modal-footer {
    border-top: 1px solid #333;
}
.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

@media (min-width: 768px) {
    #sidebar-wrapper {
        position: relative;
        margin-left: 0;
        box-shadow: none;
    }
    #page-content-wrapper {
        min-width: 0;
        width: 100%;
    }
    #wrapper.toggled #sidebar-wrapper {
        margin-left: -var(--sidebar-width);
    }
}

@media (max-width: 767.98px) {
    body {
        max-width: 100vw;
        overflow-x: hidden;
    }
    .table th, .table td {
        white-space: nowrap; /* Impide que las columnas se reduzcan feo */
    }
    .table-responsive {
        -webkit-overflow-scrolling: touch;
        margin-bottom: 0;
    }
    .content-area {
        padding: 0 0.5rem !important;
        max-width: 100vw;
        overflow-x: hidden;
    }
    .card {
        border-radius: 0;
        border-left: 0;
        border-right: 0;
    }
    h2.text-accent, h2 {
        font-size: 1.3rem !important; 
    }
    .btn {
        font-size: 0.95rem !important;
        padding: 0.6rem !important;
        white-space: normal;
        word-wrap: break-word;
    }
    .modal-dialog {
        margin: 0.5rem;
    }
}