:root {
    --dark-bg: #1a1a1a;
    --darker-bg: #141414;
    --accent: #2c3e50;
    --text: #ffffff;
    --text-muted: #888888;
}

body.dark-theme {
    background: var(--dark-bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
}
#login-page { display: none; }
.wrapper { display: none; }


#sidebar {
    min-width: 250px;
    max-width: 250px;
    background: var(--darker-bg);
    color: var(--text);
    transition: all 0.3s;
    height: 100vh;
    position: fixed;
    z-index: 1000;
}

#sidebar.active {
    margin-left: -250px;
}

#sidebar .sidebar-header {
    padding: 20px;
    background: var(--accent);
}

#sidebar ul li a {
    padding: 10px 20px;
    display: block;
    color: var(--text);
    text-decoration: none;
}

#sidebar ul li a:hover {
    background: var(--accent);
}

#content {
    width: calc(100% - 250px);
    padding: 20px;
    /* margin-left: 250px; */
    transition: all 0.3s;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#content.active {
    width: 100%;
    margin-left: 0;
}

.navbar {
    background: var(--darker-bg);
    padding: 15px 10px;
}

.btn-primary {
    background-color: var(--accent);
    border: none;
}

.table {
    margin-top: 20px;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background: var(--darker-bg);
    color: var(--text);
    border: 1px solid var(--accent);
}

.number {
    font-size: 2em;
    font-weight: bold;
    color: var(--accent);
}

.container {
    flex: 1;
    padding: 20px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.chart-wrapper {
    background: var(--darker-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--accent);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

#sidebarCollapse {
    background: transparent;
    border: none;
    padding: 0;
}

#sidebarCollapse:focus {
    box-shadow: none;
}

.modal-content {
    background: var(--darker-bg);
    color: var(--text);
}

.modal-header {
    border-bottom: 1px solid var(--accent);
}

.modal-footer {
    border-top: 1px solid var(--accent);
}

.form-control, .form-select {
    background-color: var(--dark-bg);
    border: 1px solid var(--accent);
    color: var(--text);
}

.form-control:focus, .form-select:focus {
    background-color: var(--dark-bg);
    color: var(--text);
    border-color: var(--accent);
    box-shadow: 0 0 0 0.25rem rgba(44, 62, 80, 0.25);
}

.form-select option {
    background-color: var(--dark-bg);
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Add styles for file upload field */
.file-upload-wrapper {
    margin-top: 15px;
}

.file-upload-wrapper input[type="file"] {
    background-color: var(--dark-bg);
    border: 1px solid var(--accent);
    color: var(--text);
    padding: 0.375rem 0.75rem;
}

.file-upload-wrapper input[type="file"]::-webkit-file-upload-button {
    background-color: var(--accent);
    border: none;
    color: var(--text);
    padding: 0.375rem 0.75rem;
    margin-right: 0.75rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    #sidebar {
        margin-left: -250px;
    }
    
    #sidebar.active {
        margin-left: 0;
    }
    
    #content {
        width: 100%;
        margin-left: 0;
    }
    
    #sidebarCollapse {
        display: block;
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
}