/* ==========================================================================
   CUSTOMIZER & LIVE CURTAIN SIMULATOR STYLES
   Interactive 3D/2D Window Visualizer, Realtime Dimension and Price Engine
   ========================================================================== */

.customizer-section {
    background: #ffffff;
    padding: 80px 0;
    position: relative;
}

.customizer-layout-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: start;
}

/* ==========================================================================
   WINDOW SIMULATOR (VISUALIZER)
   ========================================================================== */
.simulator-wrapper {
    background: linear-gradient(135deg, #0b1a2b 0%, #061320 100%);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(212, 175, 55, 0.25);
    position: sticky;
    top: 104px;
}

.simulator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    color: #ffffff;
}

.sim-title-group h4 {
    color: #ffffff;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sim-title-group p {
    color: var(--gold-300);
    font-size: 0.8rem;
}

.lighting-controls {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.light-btn {
    background: none;
    color: var(--text-light-muted);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.light-btn.active {
    background: var(--gold-gradient);
    color: var(--primary-900);
}

/* The Window Frame Visualizer */
.window-viewport-container {
    position: relative;
    width: 100%;
    height: 440px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-size: cover;
    background-position: center;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6);
    transition: background-image 0.5s ease;
    border: 8px solid #373f47; /* Profile color dynamic */
    display: flex;
    justify-content: center;
    align-items: stretch;
}

.window-viewport-container.day-mode {
    background-image: url('../assets/balcony_blinds.jpg');
}

.window-viewport-container.night-mode {
    background-image: url('../assets/hero_curtain.jpg');
    filter: brightness(0.85);
}

/* The Pleated Curtain Object */
.curtain-interactive-frame {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    pointer-events: none;
}

.curtain-top-rail {
    height: 16px;
    background: #ffffff; /* Dynamic profile color */
    border-radius: 2px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 5;
    transition: background 0.3s ease;
}

.curtain-top-rail::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 4px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

.curtain-fabric-body {
    flex: 1;
    position: relative;
    overflow: hidden;
    margin: 0 4px;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    background-color: #f8f9fa; /* Dynamic fabric color */
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

/* Accordion Pleat Pattern Simulation */
.curtain-fabric-body::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.08) 0px,
        rgba(0, 0, 0, 0.08) 6px,
        rgba(255, 255, 255, 0.12) 6px,
        rgba(255, 255, 255, 0.12) 14px,
        rgba(0, 0, 0, 0.15) 14px,
        rgba(0, 0, 0, 0.15) 18px
    );
    opacity: 0.9;
    pointer-events: none;
}

.curtain-bottom-rail {
    height: 16px;
    background: #ffffff; /* Dynamic profile color */
    border-radius: 2px;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 5;
    transition: background 0.3s ease;
}

.curtain-bottom-rail::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 4px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
}

/* Interactive Sliders for Top-Down / Bottom-Up Position */
.simulator-interactive-controls {
    margin-top: 20px;
    background: rgba(255, 255, 255, 0.05);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.slider-control-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light-muted);
    font-size: 0.82rem;
}

.slider-row label {
    width: 140px;
    font-weight: 600;
}

.custom-range-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    outline: none;
}

.custom-range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--gold-gradient);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(201, 155, 39, 0.6);
}

/* Quick Dimension Overlay on Simulator */
.simulator-dimensions-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(6, 19, 32, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--gold-400);
    color: #ffffff;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 10;
}

/* ==========================================================================
   CUSTOMIZER FORM & OPTIONS ENGINE
   ========================================================================== */
.customizer-form-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
}

.form-step-block {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.form-step-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.step-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.step-badge-num {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--primary-800);
    color: var(--gold-300);
    font-size: 0.84rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-heading h4 {
    font-size: 1.1rem;
    color: var(--primary-900);
}

/* Input Fields */
.input-row-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group-item label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-800);
}

.form-control-input {
    background: #f8fafc;
    border: 1.5px solid var(--border-light);
    color: var(--primary-900);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.form-control-input:focus {
    border-color: var(--gold-400);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(201, 155, 39, 0.15);
}

/* Option Select Cards */
.options-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
    gap: 10px;
}

.option-select-card {
    background: #f8fafc;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    position: relative;
}

.option-select-card:hover {
    border-color: var(--gold-400);
    transform: translateY(-2px);
}

.option-select-card.selected {
    border-color: var(--gold-500);
    background: var(--gold-100);
    box-shadow: 0 4px 12px rgba(201, 155, 39, 0.2);
}

.option-select-card.selected::after {
    content: '✓';
    position: absolute;
    top: 6px;
    right: 8px;
    color: var(--gold-600);
    font-weight: 800;
    font-size: 0.85rem;
}

.option-card-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-800);
    margin-bottom: 2px;
}

.option-card-subtitle {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Swatches for Colors */
.color-swatches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.swatch-item-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    border: 2px solid #e2e8f0;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swatch-item-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

.swatch-item-btn.selected {
    border-color: var(--primary-900);
    transform: scale(1.12);
    box-shadow: 0 0 0 3px var(--gold-400);
}

/* Live Price & Summary Box */
.live-price-calculation-box {
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 100%);
    border-radius: var(--radius-md);
    padding: 24px;
    color: #ffffff;
    margin-top: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.price-breakdown-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.86rem;
    color: var(--text-light-muted);
    margin-bottom: 8px;
}

.price-breakdown-row.total-row {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 14px;
    margin-top: 14px;
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
}

.total-amount-highlight {
    color: var(--gold-300);
    font-family: var(--font-heading);
    font-size: 1.7rem;
}

.min-area-note {
    font-size: 0.75rem;
    color: var(--gold-300);
    background: rgba(212, 175, 55, 0.15);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 12px;
}

.customizer-cta-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 18px;
}

@media (max-width: 992px) {
    .customizer-layout-grid {
        grid-template-columns: 1fr;
    }
    .simulator-wrapper {
        position: static;
    }
}