/* СК ПЛАТО - Premium Estimate Calculator Style System */

:root {
    --primary: #ff5a1f; /* Neon safety/architectural orange */
    --primary-hover: #e04a15;
    --primary-glow: rgba(255, 90, 31, 0.12);
    --secondary: #64748b; /* Architectural steel gray */
    
    --bg-darkest: #eceef1; /* Modern minimalist concrete grey */
    --bg-dark: #ffffff;
    --bg-card: #ffffff;
    --bg-card-highlight: #f8fafc;
    --border-color: rgba(15, 23, 42, 0.1);
    
    --text-primary: #0f172a; /* Slate 900 */
    --text-secondary: #334155; /* Slate 700 */
    --text-muted: #64748b; /* Slate 500 */
    
    --font-heading: 'Syne', sans-serif;
    --font-body: 'Manrope', sans-serif;
    --border-radius: 8px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset & Globals */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-darkest);
    background-image: 
        linear-gradient(rgba(15, 23, 42, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
    background-size: 30px 30px;
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.5;
    padding: 30px 0;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Grain Overlay (Analog aesthetic) */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.015'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
}

/* Clean numbers styling */
.clean-num {
    font-family: var(--font-body) !important;
    font-variant-numeric: tabular-nums;
}

/* Header styling */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.logo-accent {
    color: var(--primary);
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: -3px;
}

.header-contacts {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.phone-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
}

.phone-link:hover {
    color: var(--primary);
}

.email-link {
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* Columns Grid */
.calculator-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 25px;
    align-items: start;
}

/* Panels */
.panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
}

.panel-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 8px;
    display: inline-block;
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 20px 0;
}

/* Feature toggles */
.toggles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 8px;
}

/* Tabs */
.tab-selector {
    display: flex;
    background: #f1f5f9;
    padding: 4px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-radius: calc(var(--border-radius) - 2px);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background: #ffffff;
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

/* Inputs & Form Fields */
.config-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.group-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 5px;
}

.input-row {
    display: flex;
    gap: 15px;
}

.input-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.input-field.full-width {
    width: 100%;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--text-primary);
    background-color: var(--bg-card);
    outline: none;
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Inline discount group layout */
.input-field-with-discount {
    display: flex;
    align-items: flex-end;
    gap: 15px;
}

.input-field-with-discount .input-field {
    flex: 2;
}

.inline-discount-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.discount-inputs {
    display: flex;
    gap: 4px;
}

.discount-inputs input {
    flex: 2;
    padding: 10px 8px;
    font-size: 0.88rem;
    text-align: right;
    min-width: 60px;
}

.discount-inputs select {
    flex: 1.2;
    padding: 10px 4px;
    font-size: 0.88rem;
    text-align: center;
    background-position: right 4px center;
    min-width: 50px;
}

/* Schedule Editor inputs */
.schedule-percentage-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.schedule-labels-inputs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.step-edit-box {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-card-highlight);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
}

.step-edit-num {
    background: var(--text-muted);
    color: #ffffff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.step-edit-inputs {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.step-edit-inputs input {
    padding: 6px 8px;
    font-size: 0.85rem;
}

/* Mortgage indicators */
.downpayment-rub-indicator {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: right;
}

/* Sliders */
.slider-container {
    margin-bottom: 15px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.highlight-val {
    color: var(--primary);
    font-weight: 700;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

/* Radio buttons styled as toggle button blocks */
.floors-selection {
    margin-bottom: 15px;
}

.radio-group {
    display: flex;
    gap: 10px;
    margin-top: 6px;
}

.radio-btn {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    background: var(--bg-card);
    display: flex;
    justify-content: center;
    align-items: center;
}

.radio-btn input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.radio-btn.active {
    border-color: var(--primary);
    background: var(--primary-glow);
    color: var(--primary);
}

/* Custom Checkboxes */
.checkbox-container {
    margin-top: 5px;
}

.custom-checkbox {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
    color: var(--text-primary);
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 1px;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: #e2e8f0;
    border-radius: 4px;
    transition: var(--transition);
}

.custom-checkbox:hover input ~ .checkmark {
    background-color: #cbd5e1;
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: #10b981; /* Safety green for checked/approved elements */
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
}

.custom-checkbox .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Info Box */
.project-info-box {
    background-color: var(--bg-card-highlight);
    border-left: 3px solid var(--primary);
    padding: 12px 15px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Option Checklist Items */
.options-checklist {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.option-check-item-container {
    display: flex;
    flex-direction: column;
    gap: 5px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    padding-bottom: 8px;
}

.option-check-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
}

.option-price-edit {
    display: flex;
    align-items: center;
    gap: 5px;
}

.option-price-edit input {
    width: 90px;
    padding: 4px 6px;
    text-align: right;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.option-price-edit span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.opt-discount-field {
    align-self: flex-end;
    margin-top: -2px;
}

.discount-inputs.compact input {
    padding: 4px 6px;
    font-size: 0.8rem;
    width: 70px;
}

.discount-inputs.compact select {
    padding: 4px 2px;
    font-size: 0.8rem;
    width: 45px;
}

/* Custom options form */
.custom-options-box {
    background-color: var(--bg-card-highlight);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
}

.add-custom-option-form {
    display: flex;
    gap: 8px;
}

.add-custom-option-form input[type="text"] {
    flex: 2;
}

.add-custom-option-form input[type="number"] {
    flex: 1.2;
}

.add-custom-option-form button {
    background: var(--text-primary);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 0 14px;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.add-custom-option-form button:hover {
    background: var(--primary);
}

/* Added Options List */
.added-options-list {
    list-style: none;
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.added-opt-item {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 10px;
    gap: 6px;
}

.added-opt-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.added-opt-name {
    font-weight: 600;
    color: var(--text-primary);
}

.added-opt-price-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.added-opt-price-input {
    width: 80px;
    padding: 2px 4px;
    text-align: right;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.btn-delete-opt {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0 2px;
    transition: var(--transition);
}

.btn-delete-opt:hover {
    transform: scale(1.2);
}

/* Summary Block */
.estimate-summary {
    background: var(--bg-card-highlight);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.summary-row span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-divider {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: 12px 0;
}

.total-price-box {
    text-align: center;
}

.total-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.total-price-val {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.price-sqm-val {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-top: 5px;
}

/* Escrow Payment Steps */
.payments-schedule {
    margin-bottom: 25px;
}

.schedule-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.schedule-steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.step-card {
    display: flex;
    align-items: center;
    background: var(--bg-card-highlight);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    gap: 12px;
}

.step-badge {
    background: #10b981; /* Green safety color for escrow trust highlights */
    color: #ffffff;
    font-weight: 800;
    font-size: 0.75rem;
    padding: 3px 6px;
    border-radius: 4px;
    min-width: 38px;
    text-align: center;
}

.step-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.step-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.step-desc {
    display: none; /* Hide description in mini layout */
}

.step-price {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.95rem;
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-primary {
    background-color: var(--primary);
    border: 1px solid var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: rgba(15, 23, 42, 0.05);
}

.actions-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Project Preview (Configurator) */
.project-preview-box {
    display: flex;
    gap: 15px;
    margin-top: 12px;
    align-items: flex-start;
}

.project-thumb {
    width: 160px;
    height: 110px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.1);
}

.project-info-box {
    flex: 1;
}

/* BRANDED LETTERHEAD - Default hidden on-screen */
.print-letterhead {
    display: none;
}

/* Print CSS Stylesheet */
@media print {
    @page {
        margin: 0 !important;
    }

    body {
        background: #ffffff !important;
        color: #000000 !important;
        font-family: 'Manrope', sans-serif !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    #configurator-ui, 
    .grain-overlay {
        display: none !important;
    }
    
    .print-letterhead {
        display: block !important;
        padding: 15mm 20mm !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    
    h1, h2, h3, h4 {
        color: #000000 !important;
        page-break-after: avoid;
    }

    h1 {
        font-size: 1.8rem !important;
        font-family: 'Syne', sans-serif !important;
        font-weight: 800 !important;
        margin: 0 0 5px 0 !important;
        text-transform: uppercase;
        border-bottom: 2px solid #ff5a1f !important;
        padding-bottom: 5px !important;
    }
    
    h2 {
        font-size: 1.25rem !important;
        font-family: 'Syne', sans-serif !important;
        font-weight: 700 !important;
        margin-top: 15px !important;
        margin-bottom: 8px !important;
        border-bottom: 1px solid #cbd5e1 !important;
        padding-bottom: 4px !important;
    }
    
    /* Header layout */
    .print-header {
        display: flex !important;
        justify-content: space-between !important;
        align-items: flex-start !important;
        border-bottom: 1px solid #cbd5e1 !important;
        padding-bottom: 10px !important;
        margin-bottom: 15px !important;
    }
    
    .print-header-left {
        display: flex !important;
        flex-direction: column !important;
    }
    
    .print-logo .logo-name {
        font-family: 'Syne', sans-serif !important;
        font-size: 1.8rem !important;
        font-weight: 800 !important;
        text-transform: uppercase;
        color: #0f172a !important;
    }
    
    .print-logo .logo-accent {
        color: #ff5a1f !important;
    }
    
    .print-slogan {
        font-size: 0.7rem !important;
        text-transform: uppercase !important;
        letter-spacing: 0.1em !important;
        color: #64748b !important;
        margin-top: -3px !important;
    }
    
    .print-header-right {
        text-align: right !important;
        font-size: 0.8rem !important;
        line-height: 1.4 !important;
        color: #334155 !important;
    }
    
    .print-header-right p {
        margin: 0 !important;
    }
    
    .print-title-box {
        display: flex !important;
        justify-content: space-between !important;
        align-items: flex-end !important;
        margin-bottom: 15px !important;
    }
    
    .print-date {
        font-size: 0.95rem !important;
        font-weight: 600 !important;
        color: #334155 !important;
    }

    /* Client / Manager Meta Grid */
    .print-meta-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 8px 15px !important;
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 4px !important;
        padding: 10px 15px !important;
        margin-bottom: 15px !important;
        font-size: 0.85rem !important;
    }
    
    .meta-item {
        display: flex !important;
        gap: 6px !important;
    }
    
    .meta-item strong {
        color: #64748b !important;
    }
    
    .meta-item.full-width {
        grid-column: span 2 !important;
    }
    
    /* Tables */
    .print-table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin-bottom: 12px !important;
        font-size: 0.8rem !important;
        line-height: 1.4 !important;
    }
    
    .print-table th, 
    .print-table td {
        padding: 6px 10px !important;
        border: 1px solid #cbd5e1 !important;
        text-align: left !important;
    }
    
    .print-table td.clean-num {
        white-space: nowrap !important;
    }
    
    .print-table th {
        background-color: #f1f5f9 !important;
        color: #000000 !important;
        font-weight: 700 !important;
    }
    
    .print-table tr {
        page-break-inside: avoid !important;
    }
    
    .spec-table td:first-child {
        width: 30% !important;
        color: #64748b !important;
    }
    
    .spec-table td:last-child {
        font-weight: 600 !important;
    }

    /* Spec Table + Project Image side-by-side */
    .print-spec-with-image {
        display: flex !important;
        gap: 20px !important;
        align-items: flex-start !important;
        margin-bottom: 5px !important;
    }

    .print-spec-col {
        flex: 1 !important;
        min-width: 0 !important;
    }

    .print-image-col {
        flex-shrink: 0 !important;
        width: 200px !important;
        padding-top: 40px !important;
    }

    .print-project-img {
        width: 100% !important;
        height: auto !important;
        border-radius: 6px !important;
        border: 1px solid #e2e8f0 !important;
        box-shadow: 0 2px 6px rgba(0,0,0,0.08) !important;
    }

    .project-thumb {
        display: none !important;
    }
    
    .cost-table tfoot td {
        border-top: 2px solid #000000 !important;
    }
    
    .total-row td {
        background-color: #f8fafc !important;
    }
    
    .escrow-disclosure {
        font-size: 0.75rem !important;
        color: #475569 !important;
        margin-bottom: 8px !important;
        font-style: italic !important;
    }
    
    .financing-table th {
        background-color: #ecfdf5 !important;
    }
    
    /* Signatures Section */
    .print-signatures-box {
        display: flex !important;
        justify-content: space-between !important;
        margin-top: 30px !important;
        margin-bottom: 20px !important;
        page-break-inside: avoid !important;
    }
    
    .sig-col {
        width: 45% !important;
        position: relative !important;
        border: 1px solid #e2e8f0 !important;
        padding: 12px 15px !important;
        border-radius: 4px !important;
        min-height: 110px !important;
    }
    
    .sig-title {
        font-weight: 700 !important;
        font-size: 0.85rem !important;
        margin-bottom: 8px !important;
        color: #64748b !important;
        border-bottom: 1px solid #e2e8f0 !important;
        padding-bottom: 4px !important;
    }
    
    .sig-company, 
    .sig-client-name {
        font-weight: 700 !important;
        font-size: 0.85rem !important;
        color: #0f172a !important;
    }
    
    .sig-line {
        font-size: 0.8rem !important;
        color: #334155 !important;
    }
    
    .stamp-placeholder {
        position: absolute !important;
        right: 15px !important;
        bottom: 15px !important;
        width: 50px !important;
        height: 50px !important;
        border: 1.5px dashed #ff5a1f !important;
        color: #ff5a1f !important;
        border-radius: 50% !important;
        font-size: 0.7rem !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-weight: 700 !important;
        opacity: 0.6 !important;
        transform: rotate(-15deg) !important;
    }
    
    .print-footer {
        font-size: 0.65rem !important;
        color: #94a3b8 !important;
        text-align: center !important;
        border-top: 1px solid #e2e8f0 !important;
        padding-top: 6px !important;
        margin-top: 15px !important;
    }
}

/* Responsive UI Adjustments */
@media (max-width: 900px) {
    .calculator-grid {
        grid-template-columns: 1fr;
    }
    
    body {
        padding: 15px 0;
    }
    
    .app-header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .header-contacts {
        text-align: center;
    }
    
    .toggles-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}