/* Google Fonts - DIN-like font */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600&display=swap');

/* Сброс стилей и базовые настройки */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Smartpress Color Scheme */
    --primary-color: #007ac9;
    --primary-hover: #0069b0;
    --primary-light: rgba(0, 122, 201, 0.1);
    --secondary-color: #666666;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e5e5e5;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-label: #666666;
    --cost-bg: #f7f7f7;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
    --transition: all 0.2s ease;
    --radius-sm: 4px;
    --radius-md: 4px;
    --radius-lg: 4px;
    --radius-pill: 24px;
    /* Typography */
    --font-family: 'IBM Plex Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --input-height: 44px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header */
.header {
    background: var(--primary-color);
    color: white;
    padding: 20px 0;
    box-shadow: none;
}

.header h1 {
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 4px;
}

.subtitle {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 300;
}

/* Main */
.main {
    flex: 1;
    padding: 20px 0;
}

/* Messages */
.error-message,
.info-message,
.success-message {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.error-message {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 3px solid var(--error-color);
}

.info-message {
    background-color: #e0f2fe;
    color: #075985;
    border-left: 3px solid var(--primary-color);
}

.success-message {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 3px solid var(--success-color);
}

/* Calculator Selector */
.calculator-selector {
    background: var(--card-bg);
    padding: 16px;
    border-radius: var(--radius-sm);
    box-shadow: none;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

.selector-label {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--text-label);
    margin-bottom: 6px;
}

.selector-dropdown {
    width: 100%;
    padding: 10px 30px 10px 12px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: white;
    color: var(--text-primary);
    transition: var(--transition);
    cursor: pointer;
    height: var(--input-height);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.selector-dropdown:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.selector-dropdown:hover {
    border-color: #ccc;
}

.selector-dropdown option {
    padding: 10px;
}

/* Calculator Workspace */
.calculator-workspace {
    animation: fadeIn 0.3s ease-out;
}

.workspace-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    align-items: start;
}

/* Левая часть - 8 колонок (форма) */
.workspace-left {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 16px;
    box-shadow: none;
    border: 1px solid var(--border-color);
}

/* Правая часть - 4 колонки (результат) */
.workspace-right {
    position: sticky;
    top: 20px;
}

.result-panel {
    background: var(--cost-bg);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    box-shadow: none;
    border: 1px solid var(--border-color);
}

.result-panel-title {
    font-size: 24px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.result-empty {
    text-align: center;
    padding: 20px 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.result-empty p {
    margin: 0;
}

/* Order Actions */
.order-actions {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.btn-full {
    width: 100%;
}

/* Secondary button style */
.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--primary-light);
}

/* Loader */
.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
    gap: 16px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loader p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Form */
.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-section {
    margin-bottom: 6px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.form-section-title {
    font-size: 24px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 0;
    border-bottom: none;
    display: block;
}

/* Многоколоночный grid для полей */
.form-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

@media (min-width: 1280px) {
    .form-section-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 3px 0 8px;
}

.form-group-full {
    grid-column: 1 / -1;
}

/* Conditional props */
.conditional-props {
    background: var(--cost-bg);
    border-left: 2px solid var(--primary-color);
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-top: 12px;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Detail Info */
.detail-info {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
    background: var(--cost-bg);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
}

.detail-info-item {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 4px 10px;
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.detail-info-item strong {
    color: var(--text-primary);
    font-weight: 500;
}

.form-label {
    font-weight: 400;
    color: var(--text-label);
    font-size: 11px;
    text-transform: none;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 4px;
}

/* Help icon */
.help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 600;
    cursor: help;
    text-decoration: none;
    transition: var(--transition);
    line-height: 1;
    flex-shrink: 0;
}

.help-icon:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.help-icon::before {
    content: '?';
}

.form-input,
.form-select,
.form-textarea {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
    background: white;
    height: var(--input-height);
    color: var(--text-primary);
    width: 100%;
}

.form-select {
    padding-right: 30px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

.form-textarea {
    height: auto;
    min-height: 80px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.form-input:hover:not(:disabled),
.form-select:hover:not(:disabled),
.form-textarea:hover:not(:disabled) {
    border-color: #ccc;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Checkbox improvements */
input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Radio buttons for yes/no questions */
.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 6px;
}

.radio-group-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400;
    color: var(--text-primary);
    font-size: 14px;
}

.radio-label input[type="radio"] {
    cursor: pointer;
    accent-color: var(--primary-color);
    width: 18px;
    height: 18px;
}

.form-subsection-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    margin-top: 8px;
    color: #475569;
    padding-left: 8px;
    border-left: 3px solid var(--primary-color);
}

input[type="number"] {
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.form-textarea {
    resize: vertical;
    min-height: 70px;
}

/* Button - Smartpress Style */
.btn {
    padding: 15px 24px;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: inherit;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(0, 122, 201, 0.3);
}

.btn-primary:active:not(:disabled) {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-calculate {
    width: 100%;
    margin-top: 12px;
    font-size: 14px;
    padding: 15px 24px;
}

/* Result */
.result-container {
    margin-top: 0;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
}

.result-title {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.result-item:last-child {
    border-bottom: none;
    padding-top: 16px;
    margin-top: 8px;
    border-top: 1px solid var(--border-color);
}

.result-label {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 14px;
}

.result-value {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.result-total {
    font-size: 36px;
    color: var(--primary-color);
    font-weight: 400;
}

/* Footer */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    margin-top: 30px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Responsive */
@media (max-width: 1024px) {
    .workspace-row {
        grid-template-columns: 1fr;
    }
    
    .workspace-right {
        position: static;
    }
    
    .result-panel {
        margin-bottom: 16px;
        order: -1;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 22px;
    }
    
    .subtitle {
        font-size: 13px;
    }
    
    .calculator-selector {
        padding: 16px;
    }
    
    .workspace-left,
    .result-panel {
        padding: 16px;
    }
    
    .form-section-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .form-section-title {
        font-size: 20px;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 16px; /* Предотвращает zoom на iOS */
        max-width: 100%;
    }
    
    .detail-info {
        padding: 10px 12px;
        gap: 8px;
    }
    
    .detail-info-item {
        font-size: 11px;
        padding: 4px 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .header {
        padding: 16px 0;
    }
    
    .header h1 {
        font-size: 20px;
    }
    
    .main {
        padding: 16px 0;
    }
    
    .workspace-row {
        gap: 12px;
    }
    
    .workspace-left,
    .result-panel {
        padding: 14px;
    }
    
    .form-section {
        margin-bottom: 0;
    }
    
    .form-section-title {
        font-size: 18px;
        margin-bottom: 12px;
    }
    
    .form-section-grid {
        gap: 10px;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 10px;
        font-size: 16px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 13px;
    }
    
    .detail-info {
        flex-direction: column;
        gap: 6px;
        padding: 10px;
    }
    
    .detail-info-item {
        width: 100%;
        text-align: center;
        font-size: 11px;
    }
    
    .result-total {
        font-size: 28px;
    }
}

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

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

/* Notification Popup */
.notification-popup {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    z-index: 9999;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease-out;
}

.notification-popup.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    border-left: 3px solid var(--primary-color);
}

.notification-success .notification-content {
    border-left-color: var(--success-color);
    background: #f0fdf4;
}

.notification-error .notification-content {
    border-left-color: var(--error-color);
    background: #fef2f2;
}

.notification-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    color: var(--primary-color);
}

.notification-success .notification-icon {
    color: var(--success-color);
}

.notification-error .notification-icon {
    color: var(--error-color);
}

.notification-message {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.notification-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border-radius: 4px;
}

.notification-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

@media (max-width: 480px) {
    .notification-popup {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

/* JSON Debug Section */
.json-debug-section {
    margin-top: 16px;
    padding: 16px;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    box-shadow: none;
    border: 1px solid var(--border-color);
}

.json-debug-title {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.json-debug-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.json-debug-column {
    display: flex;
    flex-direction: column;
}

.json-debug-label {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-label);
    margin-bottom: 6px;
    display: block;
}

.json-debug-textarea {
    width: 100%;
    min-height: 300px;
    font-family: 'Courier New', Consolas, Monaco, monospace;
    font-size: 12px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--cost-bg);
    resize: vertical;
    color: var(--text-primary);
    line-height: 1.5;
}

.json-debug-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

@media (max-width: 1024px) {
    .json-debug-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .json-debug-section {
        padding: 16px;
    }
    
    .json-debug-textarea {
        min-height: 250px;
        font-size: 0.7rem;
    }
}