/**
 * GPI Fuel Savings Calculator - Frontend Styles
 */

/* Wrapper for CMS body positioning */
.gpi-calculator-wrapper {
    clear: both !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 30px auto !important;
    padding: 0 !important;
    display: block !important;
    float: none !important;
    box-sizing: border-box !important;
}

/* Base Widget Styles */
.gpi-calculator-widget {
    --gpi-primary: #164091;
    --gpi-primary-dark: #67aae1;
    --gpi-secondary: #424242;
    --gpi-accent: #ff9800;
    --gpi-success: #67aae1;
    --gpi-error: #f44336;
    --gpi-bg: #ffffff;
    --gpi-bg-light: #f5f5f5;
    --gpi-text: #333333;
    --gpi-text-light: #666666;
    --gpi-border: #e0e0e0;
    --gpi-radius: 8px;
    --gpi-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --gpi-transition: 0.3s ease;
}

.gpi-calculator-widget {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.5;
    color: var(--gpi-text);
}

.gpi-calculator-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background: var(--gpi-bg);
    border-radius: var(--gpi-radius);
    box-shadow: var(--gpi-shadow);
}

.gpi-calculator-title {
    margin: 0 0 8px;
    font-size: 28px;
    font-weight: 700;
    color: var(--gpi-primary);
    text-align: center;
}

.gpi-calculator-subtitle {
    margin: 0 0 30px;
    font-size: 16px;
    color: var(--gpi-text-light);
    text-align: center;
}

/* Progress Indicator */
.gpi-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    padding: 0 20px;
}

.gpi-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.gpi-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 16px;
    font-weight: 600;
    color: var(--gpi-text-light);
    background: var(--gpi-bg-light);
    border: 2px solid var(--gpi-border);
    border-radius: 50%;
    transition: all var(--gpi-transition);
}

.gpi-step-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gpi-text-light);
    white-space: nowrap;
    transition: color var(--gpi-transition);
}

.gpi-progress-line {
    flex: 1;
    height: 2px;
    max-width: 60px;
    margin: 0 8px;
    margin-bottom: 22px;
    background: var(--gpi-border);
    transition: background var(--gpi-transition);
}

.gpi-progress-step.active .gpi-step-number {
    color: #fff;
    background: var(--gpi-primary);
    border-color: var(--gpi-primary);
}

.gpi-progress-step.active .gpi-step-label {
    color: var(--gpi-primary);
    font-weight: 600;
}

.gpi-progress-step.completed .gpi-step-number {
    color: transparent;
    background: var(--gpi-success);
    border-color: var(--gpi-success);
    position: relative;
}

.gpi-progress-step.completed .gpi-step-number::after {
    content: '\2713';
    position: absolute;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}

.gpi-progress-step.completed .gpi-step-label {
    color: var(--gpi-success);
}

/* Lead Form Intro */
.gpi-lead-intro {
    text-align: center;
    margin-bottom: 24px;
}

.gpi-lead-intro h3 {
    margin: 0 0 8px;
    font-size: 22px;
    color: var(--gpi-primary);
}

.gpi-lead-intro p {
    margin: 0;
    color: var(--gpi-text-light);
}

/* Form Actions (Back + Submit) */
.gpi-form-actions {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.gpi-form-actions .gpi-btn {
    flex: 1;
}

.gpi-form-actions .gpi-btn-secondary {
    flex: 0 0 auto;
}

/* Form Styles */
.gpi-form {
    width: 100%;
}

.gpi-form-group {
    margin-bottom: 20px;
}

.gpi-form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--gpi-text);
}

.gpi-form-group .gpi-optional {
    font-weight: 400;
    color: var(--gpi-text-light);
}

.gpi-form-group input,
.gpi-form-group select {
    width: 100%;
    padding: 10px 16px;
    font-size: 16px;
    border: 2px solid var(--gpi-border);
    border-radius: var(--gpi-radius);
    background: var(--gpi-bg);
    transition: border-color var(--gpi-transition), box-shadow var(--gpi-transition);
    box-sizing: border-box;
}

.gpi-form-group input:focus,
.gpi-form-group select:focus {
    outline: none;
    border-color: var(--gpi-primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.gpi-form-group input::placeholder {
    color: #999;
}

.gpi-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--gpi-text-light);
}

.gpi-form-row {
    display: flex;
    gap: 16px;
}

.gpi-form-row .gpi-form-group {
    flex: 1;
}

.gpi-form-checkbox {
    margin-top: 20px;
}

.gpi-form-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 400;
    cursor: pointer;
}

.gpi-form-checkbox input[type="checkbox"] {
    width: auto;
    margin-top: 2px;
}

/* Buttons */
.gpi-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--gpi-radius);
    cursor: pointer;
    transition: all var(--gpi-transition);
}

.gpi-btn-primary {
    background: var(--gpi-primary);
    color: #fff;
}

.gpi-btn-primary:hover {
    background: var(--gpi-primary-dark);
    transform: translateY(-1px);
}

.gpi-btn-secondary {
    background: var(--gpi-bg-light);
    color: var(--gpi-text);
    border: 2px solid var(--gpi-border);
}

.gpi-btn-secondary:hover {
    background: var(--gpi-border);
}

.gpi-btn-full {
    width: 100%;
}

.gpi-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.gpi-btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Spinner */
.gpi-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: gpi-spin 0.8s linear infinite;
}

@keyframes gpi-spin {
    to { transform: rotate(360deg); }
}

/* Form Errors */
.gpi-form-errors {
    margin: 15px 0;
    padding: 12px 16px;
    background: #ffebee;
    border-radius: var(--gpi-radius);
    color: var(--gpi-error);
    font-size: 14px;
}

.gpi-form-errors:empty {
    display: none;
}

.gpi-form-errors ul {
    margin: 0;
    padding-left: 20px;
}

/* Results Card */
.gpi-results-card {
    text-align: center;
}

.gpi-results-card h3 {
    margin: 0 0 24px;
    font-size: 24px;
    color: var(--gpi-primary);
}

.gpi-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.gpi-result-item {
    padding: 20px;
    background: var(--gpi-bg-light);
    border-radius: var(--gpi-radius);
    text-align: center;
}

.gpi-result-icon {
    display: block;
    font-size: 32px;
    margin-bottom: 8px;
}

.gpi-result-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--gpi-primary);
}

.gpi-result-unit {
    font-size: 14px;
    color: var(--gpi-text-light);
}

.gpi-result-label {
    display: block;
    margin-top: 4px;
    font-size: 14px;
    color: var(--gpi-text-light);
}

.gpi-results-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Modal */
.gpi-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gpi-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.gpi-modal-content {
    position: relative;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    background: var(--gpi-bg);
    border-radius: var(--gpi-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.gpi-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 32px;
    height: 32px;
    padding: 0;
    font-size: 24px;
    line-height: 1;
    color: var(--gpi-text-light);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--gpi-transition);
}

.gpi-modal-close:hover {
    color: var(--gpi-text);
}

.gpi-modal-content h3 {
    margin: 0 0 8px;
    font-size: 22px;
    color: var(--gpi-primary);
}

.gpi-modal-content > p {
    margin: 0 0 24px;
    color: var(--gpi-text-light);
}

/* Responsive */
@media (max-width: 600px) {
    .gpi-calculator-container {
        padding: 20px;
        margin: 10px;
        border-radius: var(--gpi-radius);
    }

    .gpi-calculator-title {
        font-size: 22px;
    }

    .gpi-progress {
        padding: 0 10px;
    }

    .gpi-step-number {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .gpi-step-label {
        font-size: 10px;
    }

    .gpi-progress-line {
        max-width: 40px;
        margin-bottom: 18px;
    }

    .gpi-form-row {
        flex-direction: column;
        gap: 0;
    }

    .gpi-results-grid {
        grid-template-columns: 1fr;
    }

    .gpi-results-actions {
        flex-direction: column;
    }

    .gpi-form-actions {
        flex-direction: column;
    }

    .gpi-form-actions .gpi-btn-secondary {
        order: 2;
    }

    .gpi-btn {
        width: 100%;
    }

    .gpi-modal-content {
        padding: 20px;
    }
}