/**
 * Ceramica Calculator Pro - Dark Theme
 * Modern, Professional Design with Two-Column Layout
 */

/* CSS Variables for Dark Theme */
:root {
    --cc-bg-primary: #0a0a0a;
    --cc-bg-secondary: #141414;
    --cc-bg-tertiary: #1e1e1e;
    --cc-bg-input: #0f0f0f;
    --cc-border: #2a2a2a;
    --cc-border-light: #3a3a3a;
    --cc-text-primary: #ffffff;
    --cc-text-secondary: #a0a0a0;
    --cc-text-muted: #666666;
    --cc-accent: #a56800;
    --cc-accent-hover: #c47d00;
    --cc-accent-glow: rgba(165, 104, 0, 0.2);
    --cc-success: #10b981;
    --cc-success-glow: rgba(16, 185, 129, 0.2);
    --cc-warning: #f59e0b;
    --cc-error: #ef4444;
    --cc-gradient: linear-gradient(135deg, #a56800 0%, #7d4e00 100%);
    --cc-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --cc-radius: 20px;
    --cc-radius-md: 14px;
    --cc-radius-sm: 10px;
    --cc-radius-xs: 6px;
    --cc-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
.ceramica-calculator * {
    box-sizing: border-box;
}

/* Main Calculator Container */
.ceramica-calculator {
    background: var(--cc-bg-primary);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius);
    box-shadow: var(--cc-shadow);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 30px 0;
    overflow: hidden;
    position: relative;
    width: 100%;
    max-width: 100%;
    clear: both;
}

.ceramica-calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--cc-gradient);
}

/* Header */
.ceramica-header {
    background: var(--cc-bg-secondary);
    padding: 24px 28px;
    border-bottom: 1px solid var(--cc-border);
    display: flex;
    align-items: center;
    gap: 16px;
}

.ceramica-header-icon {
    width: 48px;
    height: 48px;
    background: var(--cc-accent-glow);
    border-radius: var(--cc-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cc-accent);
    flex-shrink: 0;
}

.ceramica-header-content {
    flex: 1;
}

.ceramica-title {
    margin: 0 0 4px 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--cc-text-primary);
    letter-spacing: -0.3px;
}

.ceramica-subtitle {
    margin: 0;
    font-size: 13px;
    color: var(--cc-text-secondary);
}

.ceramica-subtitle .woocommerce-Price-amount {
    color: var(--cc-accent);
    font-weight: 600;
}

/* Main Wrapper - Two Column Layout */
.ceramica-main-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 450px;
}

/* Left Column - Input Form */
.ceramica-input-column {
    background: var(--cc-bg-secondary);
    padding: 28px;
    border-right: 1px solid var(--cc-border);
}

/* Right Column - Results */
.ceramica-result-column {
    background: var(--cc-bg-primary);
    padding: 28px;
    display: flex;
    flex-direction: column;
}

/* Form */
.ceramica-calculator-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Section */
.ceramica-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ceramica-section-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--cc-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ceramica-section-label svg {
    color: var(--cc-accent);
}

.ceramica-label-hint {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--cc-text-muted);
}

/* Method Toggle */
.ceramica-method-toggle {
    display: flex;
    background: var(--cc-bg-tertiary);
    border-radius: var(--cc-radius-sm);
    padding: 4px;
    border: 1px solid var(--cc-border);
    gap: 4px;
}

.ceramica-toggle-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: transparent;
    border: none;
    border-radius: var(--cc-radius-xs);
    font-size: 13px;
    font-weight: 600;
    color: var(--cc-text-muted);
    cursor: pointer;
    transition: var(--cc-transition);
}

.ceramica-toggle-btn:hover {
    color: var(--cc-text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.ceramica-toggle-btn.active {
    background: var(--cc-accent);
    color: var(--cc-bg-primary);
}

.ceramica-toggle-btn svg {
    flex-shrink: 0;
}

/* Input Sections */
.ceramica-input-section {
    margin-top: 4px;
}

.ceramica-input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* Input Groups */
.ceramica-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ceramica-input-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--cc-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ceramica-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.ceramica-input-wrapper input {
    width: 100%;
    padding: 14px 50px 14px 16px;
    background: var(--cc-bg-input);
    border: 2px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    font-size: 16px;
    font-weight: 500;
    color: var(--cc-text-primary);
    transition: var(--cc-transition);
}

.ceramica-input-wrapper input::placeholder {
    color: var(--cc-text-muted);
}

.ceramica-input-wrapper input:focus {
    outline: none;
    border-color: var(--cc-accent);
    box-shadow: 0 0 0 4px var(--cc-accent-glow);
}

.ceramica-input-suffix {
    position: absolute;
    right: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--cc-text-muted);
    pointer-events: none;
}

.ceramica-input-full {
    grid-column: 1 / -1;
}

/* Select Wrapper */
.ceramica-select-wrapper {
    position: relative;
}

.ceramica-select-wrapper select {
    width: 100%;
    padding: 14px 40px 14px 16px;
    background: var(--cc-bg-input);
    border: 2px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--cc-text-primary);
    cursor: pointer;
    appearance: none;
    transition: var(--cc-transition);
}

.ceramica-select-wrapper select:focus {
    outline: none;
    border-color: var(--cc-accent);
    box-shadow: 0 0 0 4px var(--cc-accent-glow);
}

.ceramica-select-wrapper select option {
    background: #1a1a1a;
    color: #ffffff;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
}

.ceramica-select-wrapper select option:hover,
.ceramica-select-wrapper select option:focus,
.ceramica-select-wrapper select option:checked {
    background: #333333;
    color: #ffffff;
}

.ceramica-select-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cc-text-muted);
    pointer-events: none;
}

/* Waste Buttons */
.ceramica-waste-buttons {
    display: flex;
    gap: 10px;
}

.ceramica-waste-btn {
    flex: 1;
    padding: 14px 12px;
    background: var(--cc-bg-tertiary);
    border: 2px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    cursor: pointer;
    transition: var(--cc-transition);
    text-align: center;
}

.ceramica-waste-btn:hover {
    border-color: var(--cc-accent);
}

.ceramica-waste-btn.active {
    background: var(--cc-accent-glow);
    border-color: var(--cc-accent);
}

.ceramica-waste-value {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--cc-text-primary);
    margin-bottom: 2px;
}

.ceramica-waste-btn.active .ceramica-waste-value {
    color: var(--cc-accent);
}

.ceramica-waste-label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--cc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Checkbox */
.ceramica-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--cc-text-secondary);
    margin-top: 10px;
}

.ceramica-checkbox input[type="checkbox"] {
    display: none;
}

.ceramica-checkbox-mark {
    width: 20px;
    height: 20px;
    background: var(--cc-bg-input);
    border: 2px solid var(--cc-border);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--cc-transition);
}

.ceramica-checkbox-mark::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--cc-accent);
    border-radius: 2px;
    transform: scale(0);
    transition: var(--cc-transition);
}

.ceramica-checkbox input:checked + .ceramica-checkbox-mark {
    border-color: var(--cc-accent);
}

.ceramica-checkbox input:checked + .ceramica-checkbox-mark::after {
    transform: scale(1);
}

/* Actions */
.ceramica-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

/* Buttons */
.ceramica-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    border: none;
    border-radius: var(--cc-radius-sm);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--cc-transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ceramica-btn-primary {
    flex: 1;
    background: var(--cc-gradient);
    color: var(--cc-bg-primary);
}

.ceramica-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(165, 104, 0, 0.35);
}

.ceramica-btn-primary:active {
    transform: translateY(0);
}

.ceramica-btn-secondary {
    background: var(--cc-bg-tertiary);
    border: 1px solid var(--cc-border);
    color: var(--cc-text-muted);
    padding: 16px;
}

.ceramica-btn-secondary:hover {
    border-color: var(--cc-text-muted);
    color: var(--cc-text-secondary);
}

.ceramica-btn-success {
    flex: 1;
    background: var(--cc-success);
    color: white;
}

.ceramica-btn-success:hover {
    background: #0ea472;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--cc-success-glow);
}

.ceramica-btn-outline {
    background: transparent;
    border: 2px solid var(--cc-border);
    color: var(--cc-text-secondary);
}

.ceramica-btn-outline:hover {
    border-color: var(--cc-accent);
    color: var(--cc-accent);
}

.ceramica-btn-added {
    background: var(--cc-success) !important;
}

.ceramica-btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Loading State - Modern */
.ceramica-loading {
    flex: 1;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--cc-text-muted);
    gap: 24px;
    padding: 40px 20px;
    min-height: 280px;
}

.ceramica-loading-animation {
    position: relative;
    width: 80px;
    height: 80px;
}

/* Dönen halka */
.ceramica-loader-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 80px;
    height: 80px;
    border: 3px solid transparent;
    border-top-color: var(--cc-accent);
    border-right-color: var(--cc-accent);
    border-radius: 50%;
    animation: loader-ring-spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.ceramica-loader-ring::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    border: 2px solid transparent;
    border-bottom-color: rgba(165, 104, 0, 0.4);
    border-left-color: rgba(165, 104, 0, 0.4);
    border-radius: 50%;
    animation: loader-ring-spin 1.8s cubic-bezier(0.5, 0, 0.5, 1) infinite reverse;
}

/* Seramik karo noktaları */
.ceramica-loader-tiles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
}

.ceramica-tile-dot {
    width: 12px;
    height: 12px;
    background: var(--cc-accent);
    border-radius: 2px;
    animation: tile-pulse 1.2s ease-in-out infinite;
}

.ceramica-tile-dot:nth-child(1) { animation-delay: 0s; }
.ceramica-tile-dot:nth-child(2) { animation-delay: 0.15s; }
.ceramica-tile-dot:nth-child(3) { animation-delay: 0.3s; }
.ceramica-tile-dot:nth-child(4) { animation-delay: 0.45s; }

/* Loading text */
.ceramica-loading-text {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 15px;
    font-weight: 500;
    color: var(--cc-text-secondary);
}

.ceramica-loading-title {
    letter-spacing: 0.5px;
}

.ceramica-loading-dots span {
    animation: dot-bounce 1.4s ease-in-out infinite;
    display: inline-block;
}

.ceramica-loading-dots span:nth-child(1) { animation-delay: 0s; }
.ceramica-loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.ceramica-loading-dots span:nth-child(3) { animation-delay: 0.4s; }

/* Animasyonlar */
@keyframes loader-ring-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes tile-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes dot-bounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* Error State */
.ceramica-error {
    display: none;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--cc-radius-sm);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.ceramica-error-icon {
    color: var(--cc-error);
    margin-bottom: 8px;
}

.ceramica-error .error-message {
    color: var(--cc-error);
    font-size: 14px;
}

/* Empty State */
.ceramica-empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    color: var(--cc-text-muted);
}

.ceramica-empty-icon {
    opacity: 0.3;
    margin-bottom: 16px;
}

.ceramica-empty-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--cc-text-secondary);
    margin: 0 0 8px 0;
}

.ceramica-empty-text {
    font-size: 13px;
    margin: 0;
    line-height: 1.6;
}

/* Results */
.ceramica-results {
    display: none;
    flex-direction: column;
    gap: 20px;
    flex: 1;
}

/* Result Cards */
.ceramica-result-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.ceramica-result-card {
    background: var(--cc-bg-secondary);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.ceramica-result-icon {
    width: 40px;
    height: 40px;
    background: var(--cc-accent-glow);
    border-radius: var(--cc-radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cc-accent);
    flex-shrink: 0;
}

.ceramica-result-data {
    flex: 1;
    min-width: 0;
}

.ceramica-result-value {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--cc-text-primary);
    line-height: 1.2;
}

.ceramica-result-label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--cc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* Result Details */
.ceramica-result-details {
    background: var(--cc-bg-secondary);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    padding: 4px 16px;
    margin-top: 16px;
}

.ceramica-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--cc-border);
}

.ceramica-result-row:last-child {
    border-bottom: none;
}

.ceramica-result-row-label {
    font-size: 13px;
    color: var(--cc-text-secondary);
}

.ceramica-result-row-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--cc-text-primary);
}

.ceramica-result-row-value .free-shipping {
    color: var(--cc-success);
}

/* Total Row */
.ceramica-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--cc-gradient);
    border-radius: var(--cc-radius-sm);
    margin-top: 16px;
}

.ceramica-total-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ceramica-total-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--cc-bg-primary);
}

/* Share URL */
.ceramica-share-url {
    margin-top: 12px;
    text-align: center;
}

.ceramica-btn-share {
    background: var(--cc-bg-tertiary);
    border: 1px solid var(--cc-border);
    color: var(--cc-text-secondary);
    padding: 10px 20px;
    font-size: 12px;
    text-transform: none;
    letter-spacing: 0;
}

.ceramica-btn-share:hover {
    border-color: var(--cc-accent);
    color: var(--cc-accent);
}

.ceramica-btn-share.copied {
    background: var(--cc-success);
    border-color: var(--cc-success);
    color: white;
}

/* Info Tabs */
.ceramica-info-tabs {
    background: var(--cc-bg-secondary);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    overflow: hidden;
    margin-top: 16px;
}

.ceramica-tabs-header {
    display: flex;
    background: var(--cc-bg-tertiary);
    border-bottom: 1px solid var(--cc-border);
}

.ceramica-tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 14px;
    background: transparent;
    border: none;
    font-size: 12px;
    font-weight: 600;
    color: var(--cc-text-muted);
    cursor: pointer;
    transition: var(--cc-transition);
}

.ceramica-tab-btn:hover {
    color: var(--cc-text-secondary);
}

.ceramica-tab-btn.active {
    background: var(--cc-bg-secondary);
    color: var(--cc-accent);
}

.ceramica-tabs-content {
    padding: 4px 16px;
}

.ceramica-tab-content {
    display: none;
}

.ceramica-tab-content.active {
    display: block;
}

.ceramica-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--cc-border);
    font-size: 13px;
}

.ceramica-detail-row:last-child {
    border-bottom: none;
}

.ceramica-detail-row span:first-child {
    color: var(--cc-text-secondary);
}

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

/* Cart Actions */
.ceramica-cart-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

/* Modal */
.ceramica-modal {
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
}

.ceramica-modal-overlay {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
}

.ceramica-modal-content {
    position: relative;
    background: var(--cc-bg-secondary);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius);
    width: 90%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.ceramica-modal-header {
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--cc-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ceramica-modal-header h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--cc-text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.ceramica-modal-header h4 svg {
    color: var(--cc-accent);
}

.ceramica-modal-close {
    width: 36px;
    height: 36px;
    background: var(--cc-bg-tertiary);
    border: 1px solid var(--cc-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--cc-text-muted);
    transition: var(--cc-transition);
}

.ceramica-modal-close:hover {
    background: var(--cc-error);
    border-color: var(--cc-error);
    color: white;
}

.ceramica-modal-body {
    padding: 24px;
}

.ceramica-modal-body .ceramica-input-group {
    margin-bottom: 18px;
}

.ceramica-modal-body .ceramica-input-group:last-child {
    margin-bottom: 0;
}

.ceramica-modal-body .ceramica-input-group label .required {
    color: var(--cc-error);
}

.ceramica-modal-body input,
.ceramica-modal-body textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--cc-bg-input);
    border: 2px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    font-size: 14px;
    color: var(--cc-text-primary);
    transition: var(--cc-transition);
    font-family: inherit;
}

.ceramica-modal-body input::placeholder,
.ceramica-modal-body textarea::placeholder {
    color: var(--cc-text-muted);
}

.ceramica-modal-body input:focus,
.ceramica-modal-body textarea:focus {
    outline: none;
    border-color: var(--cc-accent);
    box-shadow: 0 0 0 4px var(--cc-accent-glow);
}

.ceramica-modal-body textarea {
    resize: vertical;
    min-height: 80px;
}

.ceramica-modal-footer {
    padding: 20px 24px 24px;
    border-top: 1px solid var(--cc-border);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

body.ceramica-modal-open {
    overflow: hidden;
}

/* ========================
   RESPONSIVE DESIGN
   ======================== */

/* Tablet */
@media (max-width: 1024px) {
    .ceramica-main-wrapper {
        grid-template-columns: 1fr;
    }

    .ceramica-input-column {
        border-right: none;
        border-bottom: 1px solid var(--cc-border);
    }

    .ceramica-result-column {
        min-height: 350px;
    }

    .ceramica-result-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .ceramica-calculator {
        margin: 20px 0;
        border-radius: var(--cc-radius-md);
    }

    .ceramica-header {
        padding: 20px;
    }

    .ceramica-header-icon {
        width: 42px;
        height: 42px;
    }

    .ceramica-title {
        font-size: 18px;
    }

    .ceramica-subtitle {
        font-size: 12px;
    }

    .ceramica-input-column,
    .ceramica-result-column {
        padding: 20px;
    }

    .ceramica-calculator-form {
        gap: 20px;
    }

    .ceramica-input-row {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .ceramica-waste-buttons {
        gap: 8px;
    }

    .ceramica-waste-btn {
        padding: 12px 8px;
    }

    .ceramica-waste-value {
        font-size: 16px;
    }

    .ceramica-waste-label {
        font-size: 10px;
    }

    .ceramica-result-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .ceramica-result-card {
        padding: 12px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

    .ceramica-result-icon {
        width: 36px;
        height: 36px;
    }

    .ceramica-result-value {
        font-size: 16px;
    }

    .ceramica-result-label {
        font-size: 10px;
    }

    .ceramica-total-row {
        flex-direction: column;
        gap: 4px;
        text-align: center;
        padding: 16px;
    }

    .ceramica-total-value {
        font-size: 24px;
    }

    .ceramica-cart-actions {
        flex-direction: column;
    }

    .ceramica-btn {
        padding: 14px 20px;
        font-size: 13px;
    }

    .ceramica-modal-content {
        width: 95%;
        max-height: 85vh;
    }

    .ceramica-modal-footer {
        flex-direction: column;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .ceramica-header {
        padding: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .ceramica-input-column,
    .ceramica-result-column {
        padding: 16px;
    }

    .ceramica-toggle-btn {
        padding: 10px 12px;
        font-size: 12px;
    }

    .ceramica-toggle-btn span {
        display: none;
    }

    .ceramica-input-wrapper input {
        padding: 12px 45px 12px 14px;
        font-size: 15px;
    }

    .ceramica-select-wrapper select {
        padding: 12px 36px 12px 14px;
        font-size: 13px;
    }

    .ceramica-btn-primary span {
        display: none;
    }

    .ceramica-actions {
        gap: 8px;
    }

    .ceramica-result-row-label,
    .ceramica-result-row-value {
        font-size: 12px;
    }

    .ceramica-detail-row {
        font-size: 12px;
    }

    .ceramica-tabs-header {
        flex-wrap: wrap;
    }

    .ceramica-tab-btn {
        flex: 1 1 auto;
        padding: 10px 12px;
        font-size: 11px;
    }

    .ceramica-tab-btn svg {
        display: none;
    }
}

/* ========================
   ANIMATIONS
   ======================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.ceramica-results {
    animation: fadeInUp 0.4s ease-out;
}

.ceramica-result-card {
    animation: fadeInUp 0.4s ease-out;
    animation-fill-mode: both;
}

.ceramica-result-card:nth-child(1) { animation-delay: 0.05s; }
.ceramica-result-card:nth-child(2) { animation-delay: 0.1s; }
.ceramica-result-card:nth-child(3) { animation-delay: 0.15s; }

/* ========================
   PRINT STYLES
   ======================== */
@media print {
    .ceramica-calculator {
        box-shadow: none;
        border: 2px solid #333;
        background: white !important;
        color: black !important;
    }

    .ceramica-calculator * {
        color: black !important;
        background: white !important;
    }

    .ceramica-btn,
    .ceramica-cart-actions,
    .ceramica-modal,
    .ceramica-toggle-btn,
    .ceramica-actions {
        display: none !important;
    }

    .ceramica-main-wrapper {
        display: block;
    }

    .ceramica-input-column {
        display: none;
    }

    .ceramica-total-row {
        background: #f0f0f0 !important;
    }

    .ceramica-total-row * {
        color: black !important;
    }
}