.bmi-calculator-wrap {
    --bg-color: #f4f4f4;
    --card-bg: #ffffff;
    --text-primary: #333333;
    --text-secondary: #555555;
    --border-color: #dddddd;
    --accent-color: #0073aa;
    --accent-hover: #005a87;
    --result-bg: #f8f9fa;
    --result-border: #e9ecef;
}

.bmi-calculator-wrap.dark-mode {
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #bbbbbb;
    --border-color: #444444;
    --accent-color: #3498db;
    --accent-hover: #2980b9;
    --result-bg: #363636;
    --result-border: #4a4a4a;
}

.bmi-calculator-wrap {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg-color);
    padding: 20px;
    color: var(--text-primary);
    transition: background 0.3s, color 0.3s;
}

.bmi-calculator-wrap .container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: relative;
}

.bmi-calculator-wrap h1 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 25px;
}

.bmi-calculator-wrap .theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
}

.bmi-calculator-wrap #bmi-themeBtn {
    padding: 8px 12px;
    font-size: 14px;
    border-radius: 20px;
    background: var(--accent-color);
    color: white;
    cursor: pointer;
    border: none;
    width: auto;
}

.bmi-calculator-wrap .form-group {
    margin-bottom: 15px;
}

.bmi-calculator-wrap label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-secondary);
}

.bmi-calculator-wrap input[type="text"],
.bmi-calculator-wrap input[type="number"],
.bmi-calculator-wrap select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
    background: var(--card-bg);
    color: var(--text-primary);
}

.bmi-calculator-wrap .form-row {
    display: flex;
    gap: 15px;
}

.bmi-calculator-wrap .half-width {
    flex: 1;
}

.bmi-calculator-wrap .input-group {
    display: flex;
}

.bmi-calculator-wrap .input-group input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.bmi-calculator-wrap .input-group select {
    width: 80px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    background-color: var(--result-bg);
    cursor: pointer;
}

.bmi-calculator-wrap .button-group {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.bmi-calculator-wrap button {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}

.bmi-calculator-wrap .btn-primary {
    background: var(--accent-color);
    color: #fff;
}

.bmi-calculator-wrap .btn-primary:hover {
    background: var(--accent-hover);
}

.bmi-calculator-wrap .btn-secondary {
    background: #e0e0e0;
    color: #333;
}

.bmi-calculator-wrap .btn-secondary:hover {
    background: #cccccc;
}

.bmi-calculator-wrap .hidden {
    display: none !important;
}

.bmi-calculator-wrap .results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.bmi-calculator-wrap .result-card {
    background: var(--result-bg);
    border: 1px solid var(--result-border);
    padding: 15px;
    border-radius: 6px;
    text-align: center;
}

.bmi-calculator-wrap .full-width-card {
    grid-column: 1 / -1;
}

.bmi-calculator-wrap .result-card h4 {
    margin: 0 0 10px 0;
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
}

.bmi-calculator-wrap .result-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
}

.bmi-calculator-wrap .result-subtext {
    font-size: 12px;
    color: #777;
    margin-top: 5px;
}

/* Gauge Styles */
.bmi-calculator-wrap .gauge-container {
    margin-top: 15px;
    padding: 0 10px;
}

.bmi-calculator-wrap .gauge-bar {
    height: 10px;
    background: linear-gradient(to right, #f39c12 0%, #27ae60 25%, #27ae60 50%, #e67e22 75%, #c0392b 100%);
    border-radius: 5px;
    position: relative;
}

.bmi-calculator-wrap .gauge-pointer {
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 10px solid var(--text-primary);
    position: absolute;
    top: -12px;
    left: 0%;
    transform: translateX(-50%);
    transition: left 0.5s ease-out;
}

.bmi-calculator-wrap .gauge-labels {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Macro Styles */
.bmi-calculator-wrap .macros-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 10px;
}

.bmi-calculator-wrap .macro-item {
    background: var(--card-bg);
    padding: 10px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.bmi-calculator-wrap .macro-label {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.bmi-calculator-wrap .macro-value {
    font-weight: bold;
    color: var(--accent-color);
    font-size: 18px;
}

.bmi-calculator-wrap .ideal-weight {
    margin-top: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.bmi-calculator-wrap #bmi-idealWeightRange {
    font-weight: bold;
    color: #27ae60;
}

.bmi-calculator-wrap .status-underweight { color: #f39c12; }
.bmi-calculator-wrap .status-normal { color: #27ae60; }
.bmi-calculator-wrap .status-overweight { color: #e67e22; }
.bmi-calculator-wrap .status-obese { color: #c0392b; }

.bmi-calculator-wrap .divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 30px 0;
}

/* History */
.bmi-calculator-wrap table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 14px;
    background: var(--card-bg);
}

.bmi-calculator-wrap th,
.bmi-calculator-wrap td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.bmi-calculator-wrap th {
    background: var(--result-bg);
    font-weight: bold;
}

.bmi-calculator-wrap .history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.bmi-calculator-wrap .user-filter select {
    width: auto;
}

.bmi-calculator-wrap .btn-export {
    padding: 8px 15px;
    background: #27ae60;
    color: white;
    border-radius: 4px;
    font-size: 13px;
    width: auto;
    margin-left: 10px;
}

/* Converters */
.bmi-calculator-wrap .converter-wrapper {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.bmi-calculator-wrap .converter-section {
    flex: 1;
    background: var(--card-bg);
    padding: 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.bmi-calculator-wrap .advanced-converter summary {
    font-weight: bold;
    color: var(--accent-color);
    cursor: pointer;
    padding: 10px;
    background: var(--result-bg);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.bmi-calculator-wrap .visitor-counter {
    margin-top: 30px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.bmi-calculator-wrap .chart-container {
    height: 250px;
    margin-bottom: 20px;
}

@media (max-width: 600px) {
    .bmi-calculator-wrap .form-row,
    .bmi-calculator-wrap .results-grid,
    .bmi-calculator-wrap .converter-wrapper,
    .bmi-calculator-wrap .macros-grid {
        flex-direction: column;
        grid-template-columns: 1fr;
    }
}