/**
 * Land Development Calculator - Tanah Lot Sabah Theme
 * Mobile-First Responsive Design
 */

/* ========== Variables ========== */
:root {
    --ldc-primary: #0f172a;
    --ldc-accent: #16a34a;
    --ldc-text: #0f172a;
    --ldc-text-light: #64748b;
    --ldc-border: #e2e8f0;
    --ldc-background: #f8fafc;
    --ldc-white: #ffffff;
    --ldc-radius: 8px;
    --ldc-radius-lg: 12px;
    --ldc-shadow: 0 2px 8px rgba(0,0,0,.08);
    --ldc-shadow-lg: 0 8px 24px rgba(0,0,0,.12);
}

/* ========== Global Styles ========== */
.ldc-calculator-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 16px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--ldc-text);
    background: var(--ldc-background);
}

/* ========== Sections ========== */
.ldc-section {
    background: var(--ldc-white);
    border: 1px solid var(--ldc-border);
    border-radius: var(--ldc-radius);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--ldc-shadow);
}

.ldc-section-header {
    padding: 16px 20px;
    background: var(--ldc-background);
    border-bottom: 1px solid var(--ldc-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.ldc-section-header h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ldc-text);
}

.ldc-section-body {
    padding: 20px;
}

/* ========== Form Elements ========== */
.ldc-row {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.ldc-col-6,
.ldc-col-12 {
    width: 100%;
}

.ldc-form-group {
    margin-bottom: 16px;
}

.ldc-form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--ldc-text);
}

.ldc-input {
    width: 100%;
    padding: 14px 12px;
    border: 1px solid var(--ldc-border);
    border-radius: var(--ldc-radius);
    font-size: 1rem;
    font-family: inherit;
    color: var(--ldc-text);
    background: var(--ldc-white);
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.ldc-input:focus {
    outline: none;
    border-color: var(--ldc-accent);
}

/* ========== Buttons ========== */
.ldc-btn {
    display: inline-block;
    padding: 14px 24px;
    border: none;
    border-radius: var(--ldc-radius);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    text-align: center;
    cursor: pointer;
    transition: opacity 0.2s;
    width: 100%;
}

.ldc-btn-primary {
    background: var(--ldc-accent);
    color: var(--ldc-white);
}

.ldc-btn-primary:hover {
    opacity: 0.9;
}

.ldc-btn-secondary {
    background: var(--ldc-white);
    color: var(--ldc-accent);
    border: 2px solid var(--ldc-accent);
}

.ldc-btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* ========== Toggle Switch ========== */
.ldc-toggle-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.ldc-toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: #ccc;
    border-radius: 24px;
    transition: background 0.3s;
}

.ldc-toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.3s;
}

.ldc-toggle-switch input:checked + .ldc-toggle-slider {
    background: var(--ldc-accent);
}

.ldc-toggle-switch input:checked + .ldc-toggle-slider::before {
    transform: translateX(20px);
}

.ldc-toggle-label {
    font-size: 0.85rem;
    color: var(--ldc-text-light);
}

/* ========== Item Rows ========== */
.ldc-item-row {
    padding: 14px 0;
    border-bottom: 1px solid var(--ldc-border);
}

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

.ldc-item-select label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
}

.ldc-item-select input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.ldc-item-details {
    display: none;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--ldc-border);
}

.ldc-item-quantity {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.ldc-item-quantity label {
    font-size: 0.85rem;
    color: var(--ldc-text-light);
}

.ldc-quantity-input {
    width: 100px;
    padding: 10px;
    border: 1px solid var(--ldc-border);
    border-radius: var(--ldc-radius);
    font-size: 1rem;
    text-align: center;
}

.ldc-unit {
    font-size: 0.85rem;
    color: var(--ldc-text-light);
}

.ldc-item-price,
.ldc-item-total {
    margin-top: 10px;
}

.ldc-item-price label,
.ldc-item-total label {
    display: block;
    font-size: 0.8rem;
    color: var(--ldc-text-light);
    margin-bottom: 4px;
}

.ldc-subtotal-display {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ldc-accent);
}

.ldc-category-desc {
    font-size: 0.9rem;
    color: var(--ldc-text-light);
    margin-bottom: 16px;
    line-height: 1.5;
}

/* ========== Grand Total ========== */
.ldc-grand-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    margin-top: 20px;
    background: var(--ldc-primary);
    color: var(--ldc-white);
    border-radius: var(--ldc-radius);
    font-size: 1.1rem;
    font-weight: 700;
}

.ldc-grand-total-amount {
    font-size: 1.5rem;
}

/* ========== Modal ========== */
.ldc-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.ldc-modal-content {
    background: var(--ldc-white);
    border-radius: var(--ldc-radius-lg);
    max-width: 450px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.ldc-modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--ldc-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.ldc-modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.ldc-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--ldc-text-light);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ldc-modal-body {
    padding: 20px;
}

.confirm-section {
    margin-bottom: 20px;
}

.confirm-section h4 {
    font-size: 0.95rem;
    color: var(--ldc-text-light);
    margin-bottom: 8px;
}

.confirm-section p {
    margin: 4px 0;
    font-size: 0.95rem;
}

.confirm-total {
    padding: 16px;
    background: var(--ldc-background);
    border-radius: var(--ldc-radius);
    text-align: center;
    font-size: 1.25rem;
    margin: 20px 0;
}

/* ========== Loading ========== */
.ldc-loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.ldc-loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--ldc-border);
    border-top-color: var(--ldc-accent);
    border-radius: 50%;
    animation: ldc-spin 1s linear infinite;
}

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

/* ========== Sticky Launcher ========== */
.ldc-sticky-btn {
    position: fixed;
    bottom: 90px;
    right: 16px;
    background: var(--ldc-accent);
    color: var(--ldc-white);
    padding: 14px 20px;
    border-radius: 50px;
    cursor: pointer;
    z-index: 98;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.4);
}

/* ========== Responsive - Tablet ========== */
@media (min-width: 768px) {
    .ldc-calculator-wrapper {
        padding: 0 24px;
    }
    
    .ldc-section {
        margin-bottom: 24px;
    }
    
    .ldc-section-header {
        padding: 20px 24px;
    }
    
    .ldc-section-header h2 {
        font-size: 1.25rem;
    }
    
    .ldc-section-body {
        padding: 24px;
    }
    
    .ldc-row {
        flex-direction: row;
        gap: 20px;
    }
    
    .ldc-col-6 {
        flex: 1;
    }
    
    .ldc-btn {
        width: auto;
    }
    
    .ldc-item-quantity {
        flex-wrap: nowrap;
    }
    
    .ldc-grand-total {
        font-size: 1.25rem;
    }
    
    .ldc-grand-total-amount {
        font-size: 1.75rem;
    }
    
    .ldc-sticky-btn {
        bottom: 30px;
        right: 30px;
    }
}

/* ========== Responsive - Desktop ========== */
@media (min-width: 1024px) {
    .ldc-calculator-wrapper {
        padding: 0 32px;
    }
    
    .ldc-modal-content {
        max-width: 500px;
    }
}

/* ========== Leaflet Map Popup ========== */
.leaflet-popup-content-wrapper {
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,.15);
}

.leaflet-popup-content {
    margin: 12px;
    width: auto !important;
}

.leaflet-popup-tip {
    background: #fff;
}

.tls-popup .leaflet-popup-close-button {
    color: #64748b;
    font-size: 20px;
    padding: 8px;
}

/* ========== Calculator Modal ========== */
.calc-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
}

.calc-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.calc-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
}

.calc-modal-content {
    position: relative;
    background: #fff;
    width: 95%;
    max-width: 700px;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.calc-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    flex-shrink: 0;
    overflow-anchor: none;
}

.calc-modal-header h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f172a;
}

.calc-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #64748b;
    cursor: pointer;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.calc-modal-close:hover {
    background: #e2e8f0;
}

.calc-modal-body {
    overflow-y: auto;
    flex: 1;
    padding: 20px;
    background: #f8fafc;
    overflow-anchor: auto;
    min-height: 0;
}

.calc-modal-body .ldc-calculator-wrapper {
    max-width: 100%;
    padding: 0;
}

.calc-modal-body .ldc-section-body {
    display: block !important;
}

.calc-modal-body .ldc-loading-overlay {
    position: fixed !important;
    z-index: 10001;
}

.calc-modal-body .ldc-modal {
    z-index: 10002;
}

/* ========== Floating Calculator Button ========== */
.floating-calc-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #16a34a;
    color: #fff;
    padding: 14px 24px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    z-index: 999;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.floating-calc-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(22, 163, 74, 0.5);
}

@media (max-width: 767px) {
    .floating-calc-btn {
        bottom: 80px;
        right: 16px;
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .calc-modal-content {
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    
    .calc-modal-body {
        padding: 16px;
    }
}