/* =========================================
   Base Styles and Variables
   ========================================= */
   :root {
    /* Color Palette */
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #252525;
    --bg-elevated: #2d2d2d;
    
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-tertiary: #757575;
    
    --accent-primary: #0F4C75;
    --accent-secondary: #3282B8;
    --accent-tertiary: #1B262C;
    
    --success: #4CAF50;
    --warning: #FFC107;
    --error: #F44336;
    
    /* Sizing */
    --sidebar-width: 240px;
    --header-height: 60px;
    --border-radius: 8px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
}

/* =========================================
   Reset & Global Styles
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

/* =========================================
   Layout Components
   ========================================= */
.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-tertiary);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.brand {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-xl);
}

.brand-m {
    color: var(--accent-primary);
    font-size: 2.5rem;
    font-weight: bold;
}

.brand-tools {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-left: var(--spacing-xs);
}

.tool-menu ul {
    list-style: none;
}

.tool-menu li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    display: flex;
    align-items: center;
}

.tool-menu li i {
    margin-right: var(--spacing-md);
    width: 20px;
    text-align: center;
}

.tool-menu li:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.tool-menu li.active {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-lg);
}

.dashboard-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dashboard-header h1 {
    font-size: 1.8rem;
    font-weight: 500;
}

/* Tool Panels */
.tool-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tool-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* =========================================
   Form Elements
   ========================================= */
.input-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.input-field {
    flex: 1;
    min-width: 200px;
}

.input-field label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.large-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--transition-fast);
}
  .large-textarea:focus {
    outline: none;
    border-color: var(--accent-secondary);
}

input[type="text"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color var(--transition-fast);
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent-secondary);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.checkbox-field {
    display: flex;
    align-items: center;
    min-width: 150px;
}

.checkbox-field input[type="checkbox"] {
    margin-right: var(--spacing-sm);
    accent-color: var(--accent-primary);
}

button.action-button {
    background-color: var(--accent-primary);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: background-color var(--transition-fast);
}

button.action-button:hover {
    background-color: var(--accent-secondary);
}

button.action-button.secondary {
    background-color: var(--bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

button.action-button.secondary:hover {
    background-color: var(--bg-tertiary);
}

/* =========================================
   Results Components
   ========================================= */
.calculation-results {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.calculation-results h3 {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.results-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.process-section {
    flex: 2;
    min-width: 300px;
    background-color: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.process-section h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

#calculationProcess,
#classCalculationProcess {
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    color: var(--text-secondary);
    line-height: 1.5;
}

.results-section {
    flex: 1;
    min-width: 250px;
    background-color: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.result-row:last-child {
    border-bottom: none;
}

.result-row.highlight {
    font-weight: bold;
    color: var(--accent-secondary);
}

.editable-value {
    border-bottom: 1px dashed #3282B8;
    padding: 2px 4px;
    transition: background-color 0.2s;
}

.editable-value:hover {
    background-color: rgba(50, 130, 184, 0.1);
}

.editable-result {
    display: flex;
    align-items: center;
}

.edit-control {
    display: flex;
    align-items: center;
    margin-left: var(--spacing-md);
}

.edit-control input[type="checkbox"] {
    margin-right: var(--spacing-xs);
    accent-color: var(--accent-primary);
}

.edit-control input[type="number"] {
    width: 80px;
    margin-left: var(--spacing-sm);
    padding: 2px 5px;
}

/* Statistics Charts */
.statistics-charts {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-container {
    flex: 1;
    min-width: 400px;
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}

.chart-container h3 {
    margin-bottom: var(--spacing-md);
}

canvas {
    width: 100% !important;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
}

table th,
table td {
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

table th {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 500;
}

table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

table tfoot tr {
    font-weight: bold;
    background-color: var(--bg-tertiary);
}

/* Additional styles for sections */
.additional-fields,
.service-options,
.filters {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.additional-fields h3,
.service-options h3,
.filters h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* Tooltips */
label[title] {
    position: relative;
    cursor: help;
}

label[title]::after {
    content: attr(title);
    position: absolute;
    bottom: 125%;
    left: 0;
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: 10;
    pointer-events: none;
}

label[title]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .sidebar {
        width: 64px;
        overflow: hidden;
    }
    
    .sidebar .brand-tools,
    .sidebar .tool-menu li span {
        display: none;
    }
    
    .main-content {
        margin-left: 64px;
    }
    
    /* Complete reset of tool menu styles */
    .tool-menu {
        width: 100%;
        padding: 0;
    }
    
    .tool-menu ul {
        width: 100%;
        padding: 0;
        margin: 0;
        list-style: none;
    }
    
    /* Fixed positioning */
    .tool-menu li {
        width: 48px; /* Fixed width */
        height: 48px; /* Fixed height */
        margin: 8px auto; /* Center horizontally with auto margins */
        padding: 0;
        border-radius: var(--border-radius);
        
        /* Exact centering */
        position: relative;
        left: 50%;
        transform: translateX(-50%); /* Center using transform */
        
        /* Center icon */
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .tool-menu li i {
        margin: 0;
        padding: 0;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 54px;
    }
    
    .main-content {
        margin-left: 54px;
    }
    
    .tool-menu li {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 768px) {
    .input-group, 
    .checkbox-group,
    .results-container {
        flex-direction: column;
    }
    
    .input-field {
        min-width: 100%;
    }
    
    .chart-container {
        min-width: 100%;
    }
}