/* Start:/local/templates/centr/css/kns_calculator.css?177096590424516*/
/**
 * KNS Calculator Styles
 * Clean light theme (like fire_calculator)
 */

:root {
    --kns-primary: #2563eb;
    --kns-primary-light: #3b82f6;
    --kns-primary-dark: #1d4ed8;
    --kns-accent: #0ea5e9;
    --kns-success: #2e7d32;
    --kns-warning: #f59e0b;
    --kns-danger: #dc2626;
    --kns-text: #333;
    --kns-text-light: #666;
    --kns-border: #e5e7eb;
    --kns-bg: #f9fafb;
    --kns-white: #ffffff;
    --kns-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --kns-radius: 12px;
}

/* pagetitle hidden via HIDE_PAGETITLE page property in header.php */

/* ===================== MAIN CONTAINER ===================== */
.kns-calculator {
    max-width: 1000px;
    margin: 0 auto;
    font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, sans-serif;
    padding: 20px;
}

/* ===================== HERO HEADER ===================== */
.kns-hero {
    text-align: center;
    padding: 40px 20px;
    background: var(--kns-white);
    border: 2px solid var(--kns-primary);
    border-radius: 16px;
    margin-bottom: 30px;
    color: var(--kns-text);
    box-shadow: var(--kns-shadow);
}

.kns-hero-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.kns-hero h1 {
    margin: 0 0 10px 0;
    font-size: 28px;
    font-weight: 700;
    color: var(--kns-text);
}

.kns-hero-subtitle {
    margin: 0;
    font-size: 16px;
    color: var(--kns-text-light);
}

.kns-hero-standard {
    margin-top: 15px;
    padding: 8px 16px;
    background: var(--kns-bg);
    border: 1px solid var(--kns-border);
    border-radius: 20px;
    display: inline-block;
    font-size: 13px;
    color: var(--kns-text-light);
}

/* ===================== STEP INDICATORS ===================== */
.kns-steps-nav {
    display: flex;
    padding: 20px;
    background: var(--kns-bg);
    border-radius: 12px;
    margin-bottom: 25px;
    gap: 10px;
    border: 1px solid var(--kns-border);
}

.kns-step-indicator {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--kns-white);
    border: 2px solid var(--kns-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
    color: var(--kns-text-light);
    opacity: 0.6;
}

.kns-step-indicator:hover {
    opacity: 0.8;
}

.kns-step-indicator.active {
    opacity: 1;
    border-color: var(--kns-primary);
    background: var(--kns-white);
    color: var(--kns-text);
}

.kns-step-indicator.completed {
    opacity: 1;
    border-color: var(--kns-success);
    background: #f0fff0;
    color: var(--kns-text);
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--kns-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: var(--kns-text-light);
}

.kns-step-indicator.active .step-number {
    background: var(--kns-primary);
    color: #fff;
}

.kns-step-indicator.completed .step-number {
    background: var(--kns-success);
    color: #fff;
}


.step-connector {
    width: 40px;
    height: 2px;
    background: var(--kns-border);
}

/* ===================== STEP PANELS ===================== */
.kns-step-panel {
    display: none;
    background: var(--kns-white);
    border: 1px solid var(--kns-border);
    border-radius: var(--kns-radius);
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--kns-shadow);
}

.kns-step-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.kns-section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--kns-primary);
    margin: 0 0 25px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.kns-section-title .icon {
    font-size: 24px;
}

/* ===================== INPUT GROUPS ===================== */
.kns-input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.kns-input-group {
    margin-bottom: 0;
}

.kns-input-group label {
    display: block;
    font-weight: 500;
    color: var(--kns-text);
    margin-bottom: 10px;
    font-size: 14px;
}

.kns-input-group .hint {
    font-size: 12px;
    color: var(--kns-text-light);
    margin-top: 6px;
}

/* Range Slider */
.kns-range-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
}

.kns-range-input {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    background: linear-gradient(90deg, var(--kns-accent) 0%, var(--kns-primary) 100%);
    border-radius: 4px;
    outline: none;
}

.kns-range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    background: var(--kns-white);
    border: 3px solid var(--kns-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: transform 0.2s;
}

.kns-range-input::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.kns-range-value {
    min-width: 70px;
    text-align: right;
    font-size: 18px;
    font-weight: 700;
    color: var(--kns-primary);
    white-space: nowrap;
}

/* Select */
.kns-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--kns-border);
    border-radius: 8px;
    font-size: 15px;
    color: var(--kns-text);
    background: var(--kns-white);
    cursor: pointer;
    transition: border-color 0.2s;
}

.kns-select:focus {
    outline: none;
    border-color: var(--kns-accent);
}

/* Number Input */
.kns-number-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--kns-border);
    border-radius: 8px;
    font-size: 15px;
    color: var(--kns-text);
    transition: border-color 0.2s;
}

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

/* Hidden */
.hidden {
    display: none !important;
}

/* ===================== CLOCK DIAL ===================== */
.kns-clock-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--kns-border);
}

.kns-clock-wrapper {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.kns-clock-dial {
    flex-shrink: 0;
}

.kns-clock-face {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--kns-bg);
    border: 4px solid var(--kns-border);
    position: relative;
}

.kns-clock-face .clock-number {
    position: absolute;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: var(--kns-text);
    transform: translate(-50%, -50%);
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s;
}

.kns-clock-face .clock-number:hover {
    background: var(--kns-accent-light);
    color: var(--kns-white);
}

.kns-clock-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    background: var(--kns-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.kns-clock-hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    width: 4px;
    height: 70px;
    border-radius: 2px;
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(0deg);
    transition: transform 0.3s ease;
}

.kns-clock-hand.inlet {
    background: var(--kns-accent);
    z-index: 5;
}

.kns-clock-hand.outlet {
    background: var(--kns-warning);
    height: 50px;
    z-index: 6;
}

.kns-clock-legend {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex: 1;
}

.kns-clock-legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--kns-bg);
    border-radius: 10px;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.legend-color.inlet { background: var(--kns-accent); }
.legend-color.outlet { background: var(--kns-warning); }

.legend-text {
    flex: 1;
    font-size: 14px;
}

.legend-value {
    font-weight: 700;
    font-size: 18px;
    color: var(--kns-primary);
}

/* ===================== PIPES ORIENTATION ===================== */
.kns-pipes-section {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--kns-border);
}

.kns-pipes-wrapper {
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

/* Визуальный циферблат */
.kns-clock-visual {
    flex-shrink: 0;
}

.clock-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: var(--kns-white);
    border: 3px solid var(--kns-border);
    position: relative;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.05);
}

.clock-center-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    background: var(--kns-text-light);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.clock-num {
    position: absolute;
    font-size: 12px;
    font-weight: 600;
    color: var(--kns-text-light);
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Позиции цифр по кругу */
.clock-num[data-hour="12"] { top: 8px; left: 50%; transform: translateX(-50%); }
.clock-num[data-hour="1"] { top: 15px; right: 22px; }
.clock-num[data-hour="2"] { top: 35px; right: 10px; }
.clock-num[data-hour="3"] { top: 50%; right: 8px; transform: translateY(-50%); }
.clock-num[data-hour="4"] { bottom: 35px; right: 10px; }
.clock-num[data-hour="5"] { bottom: 15px; right: 22px; }
.clock-num[data-hour="6"] { bottom: 8px; left: 50%; transform: translateX(-50%); }
.clock-num[data-hour="7"] { bottom: 15px; left: 22px; }
.clock-num[data-hour="8"] { bottom: 35px; left: 10px; }
.clock-num[data-hour="9"] { top: 50%; left: 8px; transform: translateY(-50%); }
.clock-num[data-hour="10"] { top: 35px; left: 10px; }
.clock-num[data-hour="11"] { top: 15px; left: 22px; }

/* Стрелки */
.clock-arrow {
    position: absolute;
    bottom: 50%;
    left: 50%;
    width: 6px;
    border-radius: 3px;
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(0deg);
    transition: transform 0.3s ease;
}

.clock-arrow.inlet {
    height: 55px;
    background: var(--kns-accent);
    z-index: 5;
}

.clock-arrow.outlet {
    height: 45px;
    background: var(--kns-warning);
    z-index: 6;
}

.clock-legend-mini {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
    font-size: 12px;
}

.clock-legend-mini .legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.clock-legend-mini .legend-item.inlet { color: var(--kns-accent); }
.clock-legend-mini .legend-item.outlet { color: var(--kns-warning); }

/* Селекты патрубков */
.kns-pipes-selects {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex: 1;
    min-width: 200px;
}

.pipe-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

.pipe-indicator.inlet { background: var(--kns-accent); }
.pipe-indicator.outlet { background: var(--kns-warning); }

/* ===================== KNS SCHEMATIC ===================== */
.kns-schematic-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--kns-border);
}

.kns-schematic-wrapper {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.kns-schematic {
    width: 300px;
    height: 350px;
    background: linear-gradient(180deg, #87ceeb 0%, #87ceeb 15%, #8b4513 15%, #8b4513 100%);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.kns-schematic .ground-label {
    position: absolute;
    top: 12%;
    left: 10px;
    background: rgba(139, 69, 19, 0.8);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
}

.kns-schematic .kns-body {
    position: absolute;
    width: 120px;
    left: 50%;
    transform: translateX(-50%);
    top: 10%;
    bottom: 10%;
    background: linear-gradient(90deg, #607d8b 0%, #90a4ae 50%, #607d8b 100%);
    border-radius: 10px 10px 60px 60px;
    border: 3px solid #455a64;
}

.kns-schematic .kns-lid {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 30px;
    background: #37474f;
    border-radius: 5px;
}

.kns-schematic .inlet-pipe {
    position: absolute;
    left: -60px;
    top: 40%;
    width: 60px;
    height: 20px;
    background: #ff9800;
    border-radius: 5px 0 0 5px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 5px;
    color: white;
    font-size: 14px;
    transition: top 0.3s;
}

.kns-schematic .outlet-pipe {
    position: absolute;
    right: -60px;
    top: 30%;
    width: 60px;
    height: 20px;
    background: #2196f3;
    border-radius: 0 5px 5px 0;
    display: flex;
    align-items: center;
    padding-left: 5px;
    color: white;
    font-size: 14px;
    transition: top 0.3s;
}

.kns-schematic .kns-pump {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: #f44336;
    border-radius: 50%;
    border: 3px solid #c62828;
}

.kns-schematic .dimension-line {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.kns-schematic .dim-a {
    left: 10px;
    top: 15%;
    height: 25%;
}

.kns-schematic .dim-b {
    right: 10px;
    top: 15%;
    height: 15%;
}

.kns-schematic .dim-line-vertical {
    width: 2px;
    flex: 1;
    background: #fff;
}

.kns-schematic .dim-label {
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
}

.kns-schematic-inputs {
    flex: 1;
    min-width: 250px;
}

/* ===================== NAVIGATION BUTTONS ===================== */
.kns-step-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--kns-border);
}

.kns-step-btn {
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.kns-step-btn.prev {
    background: var(--kns-bg);
    border: 2px solid var(--kns-border);
    color: var(--kns-text);
}

.kns-step-btn.prev:hover {
    border-color: var(--kns-primary);
}

.kns-step-btn.next {
    background: var(--kns-primary);
    border: 2px solid var(--kns-primary);
    color: var(--kns-white);
}

.kns-step-btn.next:hover {
    background: var(--kns-primary-light);
    border-color: var(--kns-primary-light);
}

/* ===================== RESULTS ===================== */
.kns-results-section {
    margin-top: 30px;
}

.kns-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kns-result-card {
    background: var(--kns-bg);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    border: 1px solid var(--kns-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.kns-result-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--kns-shadow);
}

.kns-result-card.primary {
    background: var(--kns-white);
    border: 2px solid var(--kns-primary);
}

.result-icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.result-label {
    font-size: 12px;
    color: var(--kns-text-light);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--kns-text);
}

.result-number {
    color: var(--kns-primary);
}

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

/* KNS Size Summary */
.kns-size-summary {
    background: var(--kns-white);
    border: 2px solid var(--kns-primary);
    border-radius: var(--kns-radius);
    padding: 25px;
    text-align: center;
    margin-bottom: 30px;
}

.kns-size-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--kns-primary);
    margin-bottom: 8px;
}

.kns-size-application {
    font-size: 14px;
    color: var(--kns-text-light);
}

/* ===================== WARNINGS ===================== */
#kns_warnings {
    margin-bottom: 20px;
}

.kns-warning {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.kns-warning-warning {
    background: #fff3e0;
    border-left: 4px solid var(--kns-warning);
}

.kns-warning-info {
    background: #e3f2fd;
    border-left: 4px solid var(--kns-accent);
}

.warning-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.warning-text {
    font-size: 14px;
    color: var(--kns-text);
    line-height: 1.5;
}

/* ===================== EQUIPMENT ===================== */
.kns-equipment-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--kns-border);
}

.kns-equipment-section h3 {
    font-size: 18px;
    color: var(--kns-primary);
    margin-bottom: 20px;
}

.no-equipment {
    text-align: center;
    padding: 30px;
    color: var(--kns-text-light);
}

.no-equipment a {
    color: var(--kns-primary);
    text-decoration: underline;
}

/* Equipment sections (ready / custom) */
.equipment-section {
    margin-bottom: 25px;
}

.equipment-section:last-child {
    margin-bottom: 0;
}

.equipment-section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--kns-text);
    margin-bottom: 15px;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

/* Section badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: #e8f5e9;
    color: #2e7d32;
}

.badge-info {
    background: #e3f2fd;
    color: #1565c0;
}

/* --- Card: 3-section layout (header / body / footer) --- */
.kns-equipment-card {
    background: var(--kns-white);
    border: 2px solid var(--kns-border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.2s;
    height: 100%;
}

.kns-equipment-card:hover {
    border-color: var(--kns-primary);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.12);
}

.kns-ec-ready:hover {
    border-color: #2e7d32;
    box-shadow: 0 4px 16px rgba(46, 125, 50, 0.12);
}

/* Header */
.kns-ec-header {
    background: #f8f9fa;
    padding: 12px 20px;
    font-weight: 700;
    font-size: 14px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kns-ec-ready .kns-ec-header {
    background: rgba(46, 125, 50, 0.04);
    color: #2e7d32;
}

.kns-ec-custom .kns-ec-header {
    background: rgba(21, 101, 192, 0.04);
    color: #1565c0;
}

/* Badge in header */
.kns-ec-badge {
    font-size: 11px;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.kns-ec-badge-ready {
    background: #2e7d32;
    color: #fff;
}

.kns-ec-badge-custom {
    background: #1565c0;
    color: #fff;
}

/* Body */
.kns-ec-body {
    padding: 20px;
    flex: 1;
}

.kns-ec-row {
    display: flex;
    gap: 15px;
    align-items: center;
}

.kns-ec-row img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    background: #f8f8f8;
    border-radius: 8px;
    padding: 5px;
    flex-shrink: 0;
}

.kns-ec-no-image {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--kns-bg);
    color: var(--kns-text-light);
    font-size: 13px;
    border-radius: 8px;
    flex-shrink: 0;
}

.kns-ec-info {
    flex: 1;
    min-width: 0;
}

.kns-ec-name {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--kns-text);
}

/* Footer */
.kns-ec-footer {
    padding: 15px 20px;
    background: #f8f9fa;
    border-top: 1px solid #eee;
}

.kns-ec-price {
    font-size: 15px;
    font-weight: 700;
    color: var(--kns-primary);
    margin-bottom: 10px;
}

.kns-ec-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background: var(--kns-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    box-sizing: border-box;
    transition: background 0.2s;
}

.kns-ec-btn:hover {
    background: #1d4ed8;
    color: #fff;
    text-decoration: none;
}

.kns-ec-btn-quote {
    background: #193857;
}

.kns-ec-btn-quote:hover {
    background: #0d2035;
}

/* ===================== CTA BUTTONS ===================== */
.kns-cta-section {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--kns-border);
}

.kns-cta-btn {
    flex: 1;
    min-width: 200px;
    padding: 18px 30px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s;
    text-decoration: none;
}

.kns-cta-btn.pdf {
    background: var(--kns-white);
    border: 2px solid var(--kns-primary);
    color: var(--kns-primary);
}

.kns-cta-btn.pdf:hover {
    background: var(--kns-bg);
}

.kns-cta-btn.quote {
    background: var(--kns-success);
    border: 2px solid var(--kns-success);
    color: var(--kns-white);
}

.kns-cta-btn.quote:hover {
    background: #43a047;
    border-color: #43a047;
}

/* ===================== LOADING ===================== */
.loading {
    position: relative;
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid var(--kns-border);
    border-top-color: var(--kns-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
    .kns-calculator {
        padding: 15px;
    }

    .kns-hero {
        padding: 30px 20px;
    }

    .kns-hero h1 {
        font-size: 24px;
    }

    .kns-steps-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .step-connector {
        display: none;
    }

    .kns-step-panel {
        padding: 20px;
    }

    .kns-input-grid {
        grid-template-columns: 1fr;
    }

    .kns-clock-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .kns-schematic-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .kns-results-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .kns-range-wrapper {
        flex-direction: column;
        align-items: stretch;
    }

    .kns-range-value {
        text-align: left;
        margin-top: 5px;
    }

    .kns-cta-section {
        flex-direction: column;
    }

    .kns-cta-btn {
        width: 100%;
    }

    .equipment-grid {
        grid-template-columns: 1fr;
    }

    .kns-ec-header {
        padding: 10px 15px;
        font-size: 13px;
    }

    .kns-ec-body {
        padding: 15px;
    }

    .kns-ec-footer {
        padding: 12px 15px;
    }
}

/* ===================== FORMULA BOX ===================== */
.kns-formula-box {
    background: var(--kns-bg);
    border: 1px dashed var(--kns-border);
    border-radius: 8px;
    padding: 15px 20px;
    margin-top: 20px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--kns-text-light);
    text-align: center;
}

/* ===================== LEGAL MODAL ===================== */
.kns-legal-note {
    margin-top: 30px;
    padding: 20px;
    background: #fff8e1;
    border-radius: 10px;
    border-left: 4px solid var(--kns-warning);
    font-size: 13px;
    color: var(--kns-text);
    line-height: 1.6;
}

.kns-legal-note a {
    color: var(--kns-primary);
    text-decoration: underline;
}

/* End */
/* /local/templates/centr/css/kns_calculator.css?177096590424516 */