/**
 * FastSky Z71 Aluminium Roof Lantern - Configurator Styles
 * Luxury Dark Aesthetics & Emerald Green Accents (#0CBB07)
 */

:root {
    --ff-bg: #0d1013;
    --ff-card-bg: #14181d;
    --ff-card-subtle: #0f1317;
    --ff-border: rgba(255, 255, 255, 0.09);
    --ff-border-hover: rgba(12, 187, 7, 0.5);
    --ff-green: #0CBB07;
    --ff-green-light: #10e609;
    --ff-green-glow: rgba(12, 187, 7, 0.35);
    --ff-text: #ffffff;
    --ff-text-muted: #94a3b8;
    --ff-text-dim: #64748b;
    --ff-active-blue: #0284c7;
    --ff-active-blue-glow: rgba(2, 132, 199, 0.4);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body.fastsky-builder-body {
    background-color: var(--ff-bg) !important;
    background: var(--ff-bg) !important;
    color: var(--ff-text) !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.ff-builder-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: 90px;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.ff-builder-header {
    background: #090c0f;
    border-bottom: 1px solid var(--ff-border);
    padding: 14px 28px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.ff-header-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.ff-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.ff-brand-logo img {
    height: 38px;
    width: auto;
    display: block;
}

.ff-product-badge {
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--ff-border);
    padding-left: 18px;
}

.ff-badge-brand {
    font-size: 16px;
    font-weight: 800;
    color: var(--ff-text);
    letter-spacing: 0.5px;
}

.ff-badge-brand .ff-z71 {
    color: var(--ff-green);
    background: rgba(12, 187, 7, 0.15);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 13px;
    margin-left: 4px;
    border: 1px solid rgba(12, 187, 7, 0.3);
}

.ff-badge-tagline {
    font-size: 11px;
    color: var(--ff-text-muted);
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.ff-header-center {
    display: flex;
    align-items: center;
}

.ff-tagline-motto {
    font-size: 13px;
    font-weight: 600;
    color: #cbd5e1;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #94a3b8, #ffffff, var(--ff-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ff-header-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.ff-header-back-btn,
.ff-header-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ff-text-muted);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--ff-border);
    background: #11151a;
    transition: all 0.2s ease;
}

.ff-header-back-btn:hover,
.ff-header-phone:hover {
    color: var(--ff-text);
    border-color: var(--ff-green);
    background: #161c22;
}

.ff-header-phone {
    color: var(--ff-green);
    border-color: rgba(12, 187, 7, 0.3);
    background: rgba(12, 187, 7, 0.08);
}

/* ==========================================================================
   HORIZONTAL PROGRESS BAR
   ========================================================================== */
.ff-steps-nav {
    background: #0f1317;
    border-bottom: 1px solid var(--ff-border);
    padding: 8px 20px;
    overflow-x: auto;
}

.ff-steps-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.ff-step-tab {
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    opacity: 0.6;
}

.ff-step-tab:hover {
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.03);
}

.ff-step-tab.active {
    opacity: 1;
    background: rgba(12, 187, 7, 0.12);
    border: 1px solid rgba(12, 187, 7, 0.3);
}

.ff-step-tab.completed .ff-step-num {
    background: var(--ff-green);
    color: #fff;
}

.ff-step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #1e242c;
    color: var(--ff-text-muted);
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ff-step-tab.active .ff-step-num {
    background: var(--ff-green);
    color: #fff;
    box-shadow: 0 0 10px var(--ff-green-glow);
}

.ff-step-txt {
    font-size: 13px;
    font-weight: 600;
    color: var(--ff-text);
}

/* ==========================================================================
   MAIN BUILDER GRID
   ========================================================================== */
.ff-builder-main {
    flex: 1;
    padding: 30px 24px;
}

.ff-builder-container {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}

/* ==========================================================================
   LEFT: VISUALIZER COLUMN
   ========================================================================== */
.ff-visualizer-col {
    position: sticky;
    top: 100px;
}

.ff-visualizer-card {
    background: var(--ff-card-bg);
    border: 1px solid var(--ff-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.ff-visualizer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.ff-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid rgba(56, 189, 248, 0.25);
}

.ff-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #38bdf8;
    box-shadow: 0 0 8px #38bdf8;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.7; }
}

.ff-current-dimensions-badge {
    font-size: 13px;
    font-weight: 700;
    color: var(--ff-green);
    background: rgba(12, 187, 7, 0.1);
    padding: 5px 12px;
    border-radius: 8px;
    border: 1px solid rgba(12, 187, 7, 0.3);
}

.ff-svg-stage-wrapper {
    background: radial-gradient(circle at center 30%, #162029 0%, #090c0f 85%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 20px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
}

#fastsky-svg-stage {
    width: 100%;
    max-height: 320px;
    overflow: visible;
}

.ff-visualizer-footer {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
}

.ff-stat-pill {
    background: #0f1317;
    border: 1px solid var(--ff-border);
    border-radius: 10px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ff-stat-icon {
    font-size: 18px;
}

.ff-stat-info strong {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--ff-text);
}

.ff-stat-info small {
    display: block;
    font-size: 11px;
    color: var(--ff-text-muted);
}

.ff-stat-active-blue {
    background: rgba(2, 132, 199, 0.08);
    border-color: rgba(2, 132, 199, 0.3);
}

.ff-stat-active-blue strong {
    color: #7dd3fc;
}

/* ==========================================================================
   RIGHT: STEP FORMS
   ========================================================================== */
.ff-form-col {
    background: var(--ff-card-bg);
    border: 1px solid var(--ff-border);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.ff-step-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.ff-step-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.ff-step-header {
    margin-bottom: 24px;
}

.ff-step-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--ff-green);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.ff-step-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--ff-text);
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.ff-step-subtitle {
    font-size: 14px;
    color: var(--ff-text-muted);
    line-height: 1.5;
}

/* Kerb Notice */
.ff-kerb-alert-card {
    background: rgba(12, 187, 7, 0.08);
    border: 1px solid rgba(12, 187, 7, 0.3);
    border-left: 4px solid var(--ff-green);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.ff-kerb-alert-icon {
    color: var(--ff-green);
    flex-shrink: 0;
    margin-top: 2px;
}

.ff-kerb-alert-content strong {
    display: block;
    color: var(--ff-text);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
}

.ff-kerb-alert-content p {
    font-size: 13px;
    color: #e2e8f0;
    line-height: 1.4;
}

/* Dimensions Grid */
.ff-dimensions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.ff-dim-box {
    background: #0f1317;
    border: 1px solid var(--ff-border);
    border-radius: 14px;
    padding: 20px;
}

.ff-dim-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.ff-dim-label-row label {
    font-size: 14px;
    font-weight: 700;
    color: var(--ff-text);
}

.ff-dim-range {
    font-size: 11px;
    color: var(--ff-text-dim);
}

.ff-input-wrap {
    position: relative;
    margin-bottom: 12px;
}

.ff-input-wrap input[type="number"],
.ff-input-wrap input[type="text"] {
    width: 100%;
    background: #090c0f;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 12px 48px 12px 16px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.2s ease;
}

.ff-input-wrap input:focus {
    border-color: var(--ff-green);
    box-shadow: 0 0 0 3px var(--ff-green-glow);
    outline: none;
}

.ff-input-unit {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ff-text-dim);
    font-size: 13px;
    font-weight: 700;
    pointer-events: none;
}

.ff-range-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #1f2832;
    outline: none;
    accent-color: var(--ff-green);
    cursor: pointer;
    margin-bottom: 12px;
}

.ff-dim-presets {
    display: flex;
    gap: 6px;
}

.ff-preset-btn {
    flex: 1;
    background: #141920;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--ff-text-muted);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ff-preset-btn:hover {
    background: #1d242e;
    color: var(--ff-text);
    border-color: var(--ff-green);
}

/* Diagram Card */
.ff-kerb-diagram-card {
    background: #0f1317;
    border: 1px solid var(--ff-border);
    border-radius: 14px;
    padding: 18px 22px;
    display: flex;
    gap: 24px;
    align-items: center;
}

.ff-diagram-visual {
    flex-shrink: 0;
    width: 160px;
    height: 100px;
    background: #090c0f;
    border: 2px dashed rgba(12, 187, 7, 0.5);
    border-radius: 10px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ff-diagram-box {
    width: 100%;
    height: 100%;
    position: relative;
}

.ff-diagram-corner {
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: var(--ff-green);
    border-style: solid;
}

.ff-diagram-corner.tl { top: -2px; left: -2px; border-width: 2px 0 0 2px; }
.ff-diagram-corner.tr { top: -2px; right: -2px; border-width: 2px 2px 0 0; }
.ff-diagram-corner.bl { bottom: -2px; left: -2px; border-width: 0 0 2px 2px; }
.ff-diagram-corner.br { bottom: -2px; right: -2px; border-width: 0 2px 2px 0; }

.ff-diagram-label {
    position: absolute;
    font-size: 9px;
    font-weight: 700;
    color: var(--ff-green);
    text-align: center;
}

.ff-diagram-label.width-label {
    bottom: 6px;
    left: 0;
    right: 0;
}

.ff-diagram-label.depth-label {
    top: 50%;
    left: 6px;
    transform: translateY(-50%) rotate(-90deg);
}

.ff-diagram-desc strong {
    display: block;
    color: var(--ff-text);
    font-size: 13px;
    margin-bottom: 6px;
}

.ff-diagram-desc ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ff-diagram-desc li {
    font-size: 12px;
    color: var(--ff-text-muted);
    position: relative;
    padding-left: 12px;
}

.ff-diagram-desc li::before {
    content: '•';
    color: var(--ff-green);
    position: absolute;
    left: 0;
}

/* ==========================================================================
   CARDS GRID (4-PANE / 6-PANE)
   ========================================================================== */
.ff-card-selection-grid {
    display: grid;
    gap: 20px;
}

.ff-card-selection-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
}

.ff-select-card {
    background: #0f1317;
    border: 2px solid var(--ff-border);
    border-radius: 16px;
    padding: 16px;
    cursor: pointer;
    position: relative;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}

.ff-select-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.ff-select-card:hover {
    border-color: rgba(12, 187, 7, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.ff-select-card.selected {
    border-color: var(--ff-green);
    background: #131b15;
    box-shadow: 0 0 0 1px var(--ff-green), 0 10px 30px var(--ff-green-glow);
}

.ff-card-graphic-wrap {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #000000;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.ff-config-full-card-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 11px;
    transition: transform 0.25s ease;
}

.ff-select-card:hover .ff-config-full-card-img {
    transform: scale(1.02);
}

.ff-card-check-badge {
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    color: var(--ff-text-muted);
    font-size: 13px;
    font-weight: 700;
    transition: all 0.2s ease;
}

.ff-select-card.selected .ff-card-check-badge {
    background: rgba(12, 187, 7, 0.15);
    border-color: var(--ff-green);
    color: var(--ff-green);
}

.ff-check-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--ff-text-muted);
    transition: all 0.2s ease;
}

.ff-select-card.selected .ff-check-circle {
    background: var(--ff-green);
    color: #ffffff;
}


.ff-card-heading .sub-heading {
    display: block;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.ff-card-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ff-card-bullets li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.ff-bullet-icon {
    color: var(--ff-green);
    font-size: 15px;
    line-height: 1.2;
    flex-shrink: 0;
}

.ff-bullet-text strong {
    display: block;
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.3;
}

.ff-bullet-text small {
    display: block;
    color: var(--ff-text-muted);
    font-size: 11px;
    line-height: 1.3;
}


/* ==========================================================================
   COLOURS GRID
   ========================================================================== */
.ff-colour-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.ff-colour-card {
    background: #0f1317;
    border: 1px solid var(--ff-border);
    border-radius: 12px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ff-colour-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.ff-colour-card:hover {
    border-color: var(--ff-border-hover);
    background: #141a16;
}

.ff-colour-card.selected {
    border-color: var(--ff-green);
    background: #141e16;
    box-shadow: 0 0 0 1px var(--ff-green);
}

.ff-colour-swatch {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.ff-colour-info {
    flex: 1;
}

.ff-colour-info strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--ff-text);
}

.ff-colour-info small {
    display: block;
    font-size: 12px;
    color: var(--ff-text-muted);
}

.ff-colour-price {
    font-size: 13px;
    font-weight: 700;
    color: var(--ff-green);
}

.ff-custom-ral-wrap {
    background: #0f1317;
    border: 1px solid var(--ff-border);
    border-radius: 12px;
    padding: 18px;
}

.ff-custom-ral-wrap label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--ff-text);
    margin-bottom: 8px;
}

/* ==========================================================================
   GLASS SELECTION
   ========================================================================== */
.ff-glass-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ff-glass-card {
    background: #0f1317;
    border: 2px solid var(--ff-border);
    border-radius: 14px;
    padding: 20px;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.ff-glass-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.ff-glass-card:hover {
    border-color: var(--ff-border-hover);
    transform: translateY(-2px);
}

.ff-glass-card.selected {
    border-color: var(--ff-green);
    background: #141e16;
    box-shadow: 0 0 0 1px var(--ff-green), 0 8px 25px var(--ff-green-glow);
}

.ff-glass-card.featured {
    border-color: rgba(2, 132, 199, 0.4);
    background: #0b151f;
}

.ff-glass-card.featured.selected {
    border-color: #38bdf8;
    background: #0c1c2b;
    box-shadow: 0 0 0 1px #38bdf8, 0 8px 30px var(--ff-active-blue-glow);
}

.ff-glass-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: #0284c7;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(2, 132, 199, 0.4);
}

.ff-glass-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
}

.ff-glass-tint-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.ff-glass-name {
    font-size: 15px;
    font-weight: 800;
    color: var(--ff-text);
}

.ff-glass-sub {
    font-size: 12px;
    color: var(--ff-text-muted);
}

.ff-glass-desc {
    font-size: 13px;
    color: #cbd5e1;
    line-height: 1.5;
    margin-bottom: 12px;
}

.ff-glass-specs-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ff-spec-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--ff-text-muted);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
}

/* ==========================================================================
   OPTIONS & VENTS
   ========================================================================== */
.ff-options-section {
    display: flex;
    flex-direction: column;
}

.ff-options-heading {
    font-size: 14px;
    font-weight: 700;
    color: var(--ff-text);
    margin-bottom: 12px;
}

.ff-options-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ff-option-card,
.ff-checkbox-card {
    background: #0f1317;
    border: 1px solid var(--ff-border);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ff-option-card input[type="radio"],
.ff-checkbox-card input[type="checkbox"] {
    accent-color: var(--ff-green);
    width: 18px;
    height: 18px;
}

.ff-option-card:hover,
.ff-checkbox-card:hover {
    border-color: var(--ff-border-hover);
}

.ff-option-card.selected,
.ff-checkbox-card:has(input:checked) {
    border-color: var(--ff-green);
    background: #141e16;
}

.ff-opt-content {
    flex: 1;
}

.ff-opt-content strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--ff-text);
}

.ff-opt-content small {
    display: block;
    font-size: 12px;
    color: var(--ff-text-muted);
    margin-top: 2px;
}

.ff-opt-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--ff-green);
}

/* ==========================================================================
   DELIVERY
   ========================================================================== */
.ff-delivery-box {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ff-delivery-input-group label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--ff-text);
    margin-bottom: 8px;
}

.ff-input-button-row {
    display: flex;
    gap: 10px;
}

.ff-input-button-row input {
    flex: 1;
    background: #090c0f;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 12px 16px;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
}

.ff-input-button-row input:focus {
    border-color: var(--ff-green);
    box-shadow: 0 0 0 3px var(--ff-green-glow);
    outline: none;
}

.ff-calc-btn {
    background: var(--ff-green);
    background: linear-gradient(135deg, var(--ff-green) 0%, #099405 100%);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    padding: 12px 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.ff-calc-btn:hover {
    background: linear-gradient(135deg, var(--ff-green-light) 0%, var(--ff-green) 100%);
    box-shadow: 0 4px 15px var(--ff-green-glow);
}

.ff-delivery-status-card {
    background: #111a14;
    border: 1px solid rgba(12, 187, 7, 0.3);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.ff-del-icon {
    font-size: 28px;
}

.ff-del-info {
    flex: 1;
}

.ff-del-info strong {
    display: block;
    font-size: 15px;
    color: var(--ff-text);
}

.ff-del-info p {
    font-size: 12px;
    color: var(--ff-text-muted);
}

.ff-del-cost {
    font-size: 18px;
    font-weight: 800;
    color: var(--ff-green);
}

.ff-delivery-perks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.ff-del-perk-item {
    background: #0f1317;
    border: 1px solid var(--ff-border);
    border-radius: 10px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ff-del-perk-item span {
    font-size: 20px;
}

.ff-del-perk-item strong {
    display: block;
    font-size: 12px;
    color: var(--ff-text);
}

.ff-del-perk-item small {
    display: block;
    font-size: 11px;
    color: var(--ff-text-muted);
}

/* ==========================================================================
   SUMMARY CARD
   ========================================================================== */
.ff-summary-card {
    background: #0f1317;
    border: 1px solid var(--ff-border);
    border-radius: 16px;
    padding: 24px;
}

.ff-summary-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--ff-border);
    margin-bottom: 18px;
}

.ff-sum-main-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--ff-text);
}

.ff-sum-sub {
    font-size: 12px;
    color: var(--ff-green);
    font-weight: 600;
}

.ff-sum-live-total {
    font-size: 26px;
    font-weight: 900;
    color: var(--ff-green);
}

.ff-summary-specs-table {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.ff-sum-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #090c0f;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.ff-sum-label {
    font-size: 13px;
    color: var(--ff-text-muted);
}

.ff-sum-val {
    font-size: 13px;
    font-weight: 700;
    color: #ffffff;
}

.ff-summary-cta-box {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ff-btn-primary-add {
    background: linear-gradient(135deg, var(--ff-green) 0%, #099405 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 16px 28px;
    font-size: 16px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 8px 25px var(--ff-green-glow);
    transition: all 0.25s ease;
}

.ff-btn-primary-add:hover {
    background: linear-gradient(135deg, var(--ff-green-light) 0%, var(--ff-green) 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(12, 187, 7, 0.6);
}

.ff-btn-secondary {
    background: #182026;
    border: 1px solid var(--ff-border);
    color: var(--ff-text);
    border-radius: 12px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ff-btn-secondary:hover {
    background: #222b33;
}

/* ==========================================================================
   STICKY FOOTER ACTION BAR
   ========================================================================== */
.ff-builder-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #090c0f;
    border-top: 2px solid var(--ff-green);
    padding: 14px 28px;
    z-index: 999;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.6);
}

.ff-footer-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.ff-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ff-nav-btn.prev {
    background: #182026;
    border: 1px solid var(--ff-border);
    color: var(--ff-text);
}

.ff-nav-btn.prev:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.ff-nav-btn.next {
    background: linear-gradient(135deg, var(--ff-green) 0%, #099405 100%);
    border: none;
    color: #ffffff;
    box-shadow: 0 4px 15px var(--ff-green-glow);
}

.ff-nav-btn.next:hover {
    background: linear-gradient(135deg, var(--ff-green-light) 0%, var(--ff-green) 100%);
    transform: translateY(-2px);
}

.ff-footer-price-block {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ff-price-caption {
    font-size: 13px;
    color: var(--ff-text-muted);
}

.ff-footer-price {
    font-size: 22px;
    font-weight: 900;
    color: var(--ff-green);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
    .ff-builder-container {
        grid-template-columns: 1fr;
    }
    .ff-visualizer-col {
        position: static;
    }
}

@media (max-width: 768px) {
    .ff-header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .ff-header-center {
        display: none;
    }
    .ff-dimensions-grid {
        grid-template-columns: 1fr;
    }
    .ff-card-selection-grid.cols-2 {
        grid-template-columns: 1fr;
    }
    .ff-kerb-diagram-card {
        flex-direction: column;
    }
    .ff-delivery-perks {
        grid-template-columns: 1fr;
    }
    .ff-footer-price-block {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }
}