/* DTC Lookup Pro - Professional, Responsive, Modern Stylesheet */

:root {
    /* Core Colors */
    --dtc-primary: #2563eb;
    --dtc-primary-hover: #1d4ed8;
    --dtc-secondary: #f8fafc;
    --dtc-accent: #10b981;
    --dtc-accent-hover: #059669;
    --dtc-danger: #ef4444;
    --dtc-warning: #f59e0b;
    --dtc-purple: #8b5cf6;
    --dtc-text: #1f2937;
    --dtc-text-light: #6b7280;
    --dtc-text-lighter: #9ca3af;
    --dtc-bg: #f9fafb;
    --dtc-bg-dark: #1f2937;
    --dtc-border: #e5e7eb;
    --dtc-border-dark: #374151;
    
    /* Shadows */
    --dtc-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --dtc-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --dtc-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --dtc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --dtc-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --dtc-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --dtc-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    
    /* Radii */
    --dtc-radius-sm: 0.375rem;
    --dtc-radius: 0.5rem;
    --dtc-radius-md: 0.75rem;
    --dtc-radius-lg: 1rem;
    --dtc-radius-xl: 1.5rem;
    --dtc-radius-2xl: 2rem;
    --dtc-radius-full: 9999px;
    
    /* Transitions */
    --dtc-transition: all 0.2s ease-in-out;
    --dtc-transition-medium: all 0.3s ease-in-out;
    --dtc-transition-long: all 0.5s ease-in-out;
    
    /* Spacing */
    --dtc-space-xs: 0.25rem;
    --dtc-space-sm: 0.5rem;
    --dtc-space-md: 1rem;
    --dtc-space-lg: 1.5rem;
    --dtc-space-xl: 2rem;
    --dtc-space-2xl: 3rem;
    --dtc-space-3xl: 4rem;
    
    /* Typography */
    --dtc-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
    --dtc-font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    --dtc-font-size-xs: 0.75rem;
    --dtc-font-size-sm: 0.875rem;
    --dtc-font-size-base: 1rem;
    --dtc-font-size-lg: 1.125rem;
    --dtc-font-size-xl: 1.25rem;
    --dtc-font-size-2xl: 1.5rem;
    --dtc-font-size-3xl: 1.875rem;
    --dtc-font-size-4xl: 2.25rem;
    --dtc-font-size-5xl: 3rem;
    --dtc-font-size-6xl: 3.75rem;
    --dtc-font-size-7xl: 4.5rem;
    
    /* Z-index */
    --dtc-z-dropdown: 1000;
    --dtc-z-sticky: 1020;
    --dtc-z-fixed: 1030;
    --dtc-z-modal-backdrop: 1040;
    --dtc-z-modal: 1050;
    --dtc-z-popover: 1060;
    --dtc-z-tooltip: 1070;
    
    /* Customizable Variables */
    --dtc-container-width: 1600px;
    --dtc-search-section-bg: #ffffff;
    --dtc-search-section-padding: 2.5rem;
    --dtc-search-input-bg: #ffffff;
    --dtc-search-input-text-color: #1f2937;
    --dtc-search-input-border-color: #e5e7eb;
    --dtc-search-input-border-width: 2px;
    --dtc-search-input-padding: 1.7rem;
    --dtc-search-input-font-size: 1rem;
    --dtc-search-input-font-weight: 500;
    --dtc-button-padding: 1rem 1.5rem;
    --dtc-button-font-size: 1rem;
    --dtc-button-font-weight: 600;
    --dtc-button-min-width: 120px;
    --dtc-button-min-height: 50px;
    --dtc-search-btn-bg: #2563eb;
    --dtc-search-btn-text-color: #ffffff;
    --dtc-voice-btn-bg: #10b981;
    --dtc-voice-btn-text-color: #ffffff;
    --dtc-voice-btn-listening-bg: #ef4444;
    --dtc-voice-controls-bg: #f8fafc;
    --dtc-voice-controls-border-color: #e5e7eb;
    --dtc-voice-controls-padding: 1.5rem;
    --dtc-voice-status-text-color: #1f2937;
    --dtc-voice-indicator-active-color: #10b981;
    --dtc-voice-indicator-inactive-color: #dc2626;
    --dtc-toggle-width: 3rem;
    --dtc-toggle-height: 1.75rem;
    --dtc-toggle-bg-inactive: #cbd5e1;
    --dtc-toggle-bg-active: #2563eb;
    --dtc-toggle-knob-color: #ffffff;
    --dtc-section-gap: 2rem;
    --dtc-button-gap: 1rem;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
    :root {
        --dtc-primary: #3b82f6;
        --dtc-primary-hover: #60a5fa;
        --dtc-secondary: #1f2937;
        --dtc-text: #f9fafb;
        --dtc-text-light: #9ca3af;
        --dtc-text-lighter: #6b7280;
        --dtc-bg: #111827;
        --dtc-bg-dark: #030712;
        --dtc-border: #374151;
        --dtc-border-dark: #1f2937;
        --dtc-search-section-bg: #1f2937;
        --dtc-search-input-bg: #111827;
        --dtc-search-input-text-color: #f9fafb;
        --dtc-search-input-border-color: #374151;
        --dtc-voice-controls-bg: #111827;
        --dtc-voice-controls-border-color: #374151;
        --dtc-voice-status-text-color: #f9fafb;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --dtc-primary: #0000ff;
        --dtc-accent: #008000;
        --dtc-danger: #ff0000;
        --dtc-border: #000000;
        --dtc-text: #000000;
        --dtc-text-light: #333333;
    }
    
    .dtc-btn {
        border: 2px solid currentColor;
    }
}

/* Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--dtc-font-sans);
    font-size: var(--dtc-font-size-base);
    line-height: 1.5;
    color: var(--dtc-text);
    background-color: var(--dtc-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: var(--dtc-transition);
}

/* Container */
.dtc-lookup-container {
    max-width: var(--dtc-container-width);
    margin: 0 auto;
    padding: var(--dtc-space-2xl) var(--dtc-space-lg);
    min-height: 100vh;
    position: relative;
}

/* Header */
.dtc-lookup-header {
    text-align: center;
    margin-bottom: var(--dtc-space-3xl);
    padding: var(--dtc-space-3xl) var(--dtc-space-2xl);
    background: linear-gradient(135deg, var(--dtc-primary), #3b82f6);
    border-radius: var(--dtc-radius-2xl);
    color: white;
    box-shadow: var(--dtc-shadow-xl);
    position: relative;
    overflow: hidden;
}

.dtc-lookup-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="6" height="6" patternUnits="userSpaceOnUse"><path d="M 6 0 L 0 0 0 6" fill="none" stroke="rgba(255,255,255,0.06)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.dtc-lookup-header > * {
    position: relative;
    z-index: 1;
}

.dtc-title {
    font-size: var(--dtc-font-size-7xl);
    font-weight: 900;
    margin: 0 0 var(--dtc-space-xl) 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(45deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.dtc-subtitle {
    font-size: var(--dtc-font-size-2xl);
    margin: 0;
    opacity: 0.9;
    font-weight: 400;
    letter-spacing: 0.01em;
    max-width: 800px;
    margin: 0 auto;
}

/* Search Section */
.dtc-search-section {
    margin-bottom: calc(var(--dtc-section-gap) + 1rem);
    background: var(--dtc-search-section-bg);
    border-radius: var(--dtc-radius-xl);
    padding: var(--dtc-search-section-padding);
    box-shadow: var(--dtc-shadow-xl);
    border: 1px solid var(--dtc-border);
    backdrop-filter: blur(10px);
    transition: var(--dtc-transition-medium);
}

.dtc-search-section:hover {
    box-shadow: var(--dtc-shadow-2xl);
    transform: translateY(-2px);
}

/* Search Box Layout */
.dtc-search-box {
    display: grid;
    gap: var(--dtc-button-gap);
    margin-bottom: var(--dtc-section-gap);
    align-items: stretch;
}

/* Horizontal Layout (default) */
.dtc-lookup-container[data-layout="horizontal"] .dtc-search-box {
    grid-template-columns: 1fr auto auto;
}

/* Vertical Layout */
.dtc-lookup-container[data-layout="vertical"] .dtc-search-box {
    grid-template-columns: 1fr;
}

/* Search Input */
#dtc-search-input {
    padding: var(--dtc-search-input-padding) calc(var(--dtc-search-input-padding) * 1.5);
    border: var(--dtc-search-input-border-width) solid var(--dtc-search-input-border-color);
    border-radius: var(--dtc-radius-lg);
    font-size: var(--dtc-search-input-font-size);
    font-weight: var(--dtc-search-input-font-weight);
    transition: var(--dtc-transition);
    background: var(--dtc-search-input-bg);
    color: var(--dtc-search-input-text-color);
    font-family: var(--dtc-font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    min-height: var(--dtc-button-min-height);
    display: flex;
    align-items: center;
}

#dtc-search-input:focus {
    outline: none;
    border-color: var(--dtc-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    background: var(--dtc-search-input-bg);
    color: var(--dtc-search-input-text-color);
    transform: translateY(-2px);
}

#dtc-search-input::placeholder {
    text-transform: none;
    font-family: var(--dtc-font-sans);
    font-weight: 400;
    letter-spacing: normal;
    opacity: 0.6;
    color: var(--dtc-text-light);
}

/* Buttons */
.dtc-btn {
    padding: var(--dtc-button-padding);
    border: none;
    border-radius: var(--dtc-radius-lg);
    font-size: var(--dtc-button-font-size);
    font-weight: var(--dtc-button-font-weight);
    cursor: pointer;
    transition: var(--dtc-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    min-width: var(--dtc-button-min-width);
    min-height: var(--dtc-button-min-height);
    box-shadow: var(--dtc-shadow);
    font-family: var(--dtc-font-sans);
}

.dtc-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.dtc-btn:hover::before {
    left: 100%;
}

.dtc-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--dtc-shadow-lg);
}

.dtc-btn:active {
    transform: translateY(0);
    box-shadow: var(--dtc-shadow);
}

.dtc-btn:focus {
    outline: 3px solid var(--dtc-primary);
    outline-offset: 2px;
}

/* Search Button */
.dtc-btn-primary {
    background: linear-gradient(135deg, var(--dtc-search-btn-bg), #3b82f6);
    color: var(--dtc-search-btn-text-color);
}

.dtc-btn-primary:hover {
    background: linear-gradient(135deg, var(--dtc-primary-hover), #2563eb);
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.4);
}

/* Voice Button */
.dtc-btn-voice {
    background: linear-gradient(135deg, var(--dtc-voice-btn-bg), #34d399);
    color: var(--dtc-voice-btn-text-color);
    position: relative;
}

.dtc-btn-voice:hover {
    background: linear-gradient(135deg, var(--dtc-accent-hover), #059669);
    box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.4);
}

.dtc-btn-voice.listening {
    background: linear-gradient(135deg, var(--dtc-voice-btn-listening-bg), #f87171);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.dtc-search-icon, .dtc-voice-icon {
    font-size: 1.25rem;
}

/* Voice Controls */
.dtc-voice-controls {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--dtc-section-gap);
    align-items: center;
    margin-top: var(--dtc-section-gap);
    padding: var(--dtc-voice-controls-padding);
    background: linear-gradient(135deg, var(--dtc-voice-controls-bg), #ffffff);
    border-radius: var(--dtc-radius-lg);
    border: 2px solid var(--dtc-voice-controls-border-color);
    transition: var(--dtc-transition);
}

@media (prefers-color-scheme: dark) {
    .dtc-voice-controls {
        background: linear-gradient(135deg, var(--dtc-voice-controls-bg), #1f2937);
    }
}

.dtc-voice-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: var(--dtc-font-size-lg);
    color: var(--dtc-voice-status-text-color);
    font-weight: 500;
}

.dtc-voice-indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--dtc-voice-indicator-inactive-color);
    transition: var(--dtc-transition);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

.dtc-voice-indicator.active {
    background: var(--dtc-voice-indicator-active-color);
    animation: blink 1.5s infinite;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.dtc-voice-settings {
    display: flex;
    gap: var(--dtc-button-gap);
    align-items: center;
    color: var(--dtc-voice-status-text-color);
    font-weight: 500;
}

/* Toggle Switch */
.dtc-toggle {
    position: relative;
    display: inline-block;
    width: var(--dtc-toggle-width);
    height: var(--dtc-toggle-height);
}

.dtc-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.dtc-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--dtc-toggle-bg-inactive);
    transition: var(--dtc-transition);
    border-radius: var(--dtc-radius-full);
}

.dtc-toggle-slider:before {
    position: absolute;
    content: "";
    height: calc(var(--dtc-toggle-height) - 0.5rem);
    width: calc(var(--dtc-toggle-height) - 0.5rem);
    left: 0.25rem;
    bottom: 0.25rem;
    background-color: var(--dtc-toggle-knob-color);
    transition: var(--dtc-transition);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.dtc-toggle input:checked + .dtc-toggle-slider {
    background-color: var(--dtc-toggle-bg-active);
}

.dtc-toggle input:checked + .dtc-toggle-slider:before {
    transform: translateX(calc(var(--dtc-toggle-width) - var(--dtc-toggle-height)));
}

.dtc-toggle:focus-within {
    outline: 3px solid var(--dtc-primary);
    outline-offset: 2px;
}

/* Shadow Variations */
.dtc-lookup-container[data-shadow="none"] .dtc-search-section {
    box-shadow: none;
}

.dtc-lookup-container[data-shadow="small"] .dtc-search-section {
    box-shadow: var(--dtc-shadow-sm);
}

.dtc-lookup-container[data-shadow="medium"] .dtc-search-section {
    box-shadow: var(--dtc-shadow);
}

.dtc-lookup-container[data-shadow="large"] .dtc-search-section {
    box-shadow: var(--dtc-shadow-lg);
}

.dtc-lookup-container[data-shadow="extra-large"] .dtc-search-section {
    box-shadow: var(--dtc-shadow-xl);
}

/* Hover Shadow Variations for Search Button */
.dtc-lookup-container[data-search-hover="blue"] .dtc-btn-primary:hover {
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.4);
}

.dtc-lookup-container[data-search-hover="purple"] .dtc-btn-primary:hover {
    box-shadow: 0 10px 25px -5px rgba(139, 92, 246, 0.4);
}

.dtc-lookup-container[data-search-hover="green"] .dtc-btn-primary:hover {
    box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.4);
}

.dtc-lookup-container[data-search-hover="none"] .dtc-btn-primary:hover {
    box-shadow: var(--dtc-shadow-lg);
}

/* Suggestions */
.dtc-suggestions {
    background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
    border-radius: var(--dtc-radius-lg);
    box-shadow: var(--dtc-shadow-xl);
    border: 2px solid var(--dtc-border);
    max-height: 500px;
    overflow-y: auto;
    display: none;
    margin-top: 1rem;
    z-index: var(--dtc-z-dropdown);
    position: relative;
}

.dtc-suggestions.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

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

.dtc-suggestion-item {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--dtc-border);
    cursor: pointer;
    transition: var(--dtc-transition);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: center;
}

.dtc-suggestion-item:hover {
    background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
    transform: translateX(5px);
}

@media (prefers-color-scheme: dark) {
    .dtc-suggestion-item:hover {
        background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
    }
}

.dtc-suggestion-item:last-child {
    border-bottom: none;
}

.dtc-suggestion-code {
    font-weight: 700;
    color: var(--dtc-primary);
    font-family: var(--dtc-font-mono);
    font-size: 1.1rem;
    min-width: 100px;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--dtc-radius);
    text-align: center;
}

.dtc-suggestion-content {
    flex: 1;
}

.dtc-suggestion-desc {
    font-size: var(--dtc-font-size-lg);
    color: var(--dtc-text);
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.5;
}

.dtc-suggestion-type {
    font-size: var(--dtc-font-size-sm);
    color: var(--dtc-text-light);
    background: var(--dtc-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--dtc-radius-full);
    display: inline-block;
    font-weight: 600;
}

/* Results Section */
.dtc-results-section {
    margin-bottom: 3rem;
}

.dtc-results-header {
    margin-bottom: 2.5rem;
    text-align: center;
}

.dtc-results-header h3 {
    font-size: var(--dtc-font-size-4xl);
    font-weight: 700;
    color: var(--dtc-text);
    margin: 0 0 0.5rem 0;
}

.dtc-results-count {
    color: var(--dtc-text-light);
    font-size: var(--dtc-font-size-lg);
    font-weight: 500;
}

.dtc-code-result {
    background: var(--dtc-search-section-bg);
    border-radius: var(--dtc-radius-2xl);
    box-shadow: var(--dtc-shadow-xl);
    border: 2px solid var(--dtc-border);
    overflow: hidden;
    margin-bottom: 3rem;
    transition: var(--dtc-transition);
}

.dtc-code-result:hover {
    transform: translateY(-5px);
    box-shadow: var(--dtc-shadow-2xl);
}

.dtc-code-header {
    background: linear-gradient(135deg, var(--dtc-primary), #3b82f6);
    color: white;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.dtc-code-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(30px, -30px);
}

.dtc-code-title {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin: 0 0 1.5rem 0;
    font-size: var(--dtc-font-size-3xl);
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.dtc-code-number {
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem 1.5rem;
    border-radius: var(--dtc-radius-lg);
    font-family: var(--dtc-font-mono);
    font-size: 1.5rem;
    backdrop-filter: blur(10px);
    letter-spacing: 0.05em;
}

.dtc-code-type {
    background: var(--dtc-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--dtc-radius-full);
    font-size: var(--dtc-font-size-sm);
    font-weight: 700;
}

.dtc-code-description {
    margin: 0;
    font-size: var(--dtc-font-size-xl);
    opacity: 0.95;
    line-height: 1.6;
    position: relative;
    z-index: 1;
    font-weight: 400;
}

.dtc-code-details {
    padding: 2.5rem;
}

.dtc-detail-section {
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--dtc-primary), #3b82f6);
    border-radius: var(--dtc-radius-lg);
    border-left: 4px solid var(--dtc-primary);
    transition: var(--dtc-transition);
}

@media (prefers-color-scheme: dark) {
    .dtc-detail-section {
        background: linear-gradient(135deg, var(--dtc-primary), #3b82f6);
    }
}

.dtc-detail-section:hover {
    background: linear-gradient(135deg, var(--dtc-primary), #3b82f6);
    box-shadow: var(--dtc-shadow-lg);
    transform: translateX(5px);
}

@media (prefers-color-scheme: dark) {
    .dtc-detail-section:hover {
        background: linear-gradient(135deg, var(--dtc-primary), #3b82f6);
    }
}

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

.dtc-detail-title {
    margin: 0 0 1rem 0;
    font-size: var(--dtc-font-size-xl);
    font-weight: 700;
    color: var(--dtc-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dtc-detail-content {
    margin: 0;
    color: var(--dtc-text);
    line-height: 1.6;
    font-size: var(--dtc-font-size-lg);
    font-weight: 400;
}

/* Stats Section */
.dtc-stats-section,
.dtc-stats-container {
    margin-top: 3rem;
}

.dtc-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.dtc-stat-card {
    background: var(--dtc-search-section-bg);
    padding: 2.5rem 2rem;
    border-radius: var(--dtc-radius-xl);
    text-align: center;
    box-shadow: var(--dtc-shadow-xl);
    border: 2px solid var(--dtc-border);
    transition: var(--dtc-transition-medium);
    position: relative;
    overflow: hidden;
}

.dtc-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--dtc-primary), #3b82f6);
}

.dtc-stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--dtc-shadow-2xl);
}

.dtc-stat-type-p::before {
    background: linear-gradient(135deg, var(--dtc-danger), #f87171);
}

.dtc-stat-type-b::before {
    background: linear-gradient(135deg, var(--dtc-accent), #34d399);
}

.dtc-stat-type-c::before {
    background: linear-gradient(135deg, var(--dtc-warning), #fbbf24);
}

.dtc-stat-type-u::before {
    background: linear-gradient(135deg, var(--dtc-purple), #a78bfa);
}

.dtc-stat-number {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    display: block;
    background: linear-gradient(135deg, var(--dtc-primary), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.dtc-stat-label {
    font-size: var(--dtc-font-size-lg);
    color: var(--dtc-text-light);
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* Powered By Section */
.dtc-powered-by {
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem;
    border-top: 2px solid var(--dtc-border);
}

.dtc-powered-by a,
.dtc-powered-by span {
    font-size: var(--dtc-font-size-sm);
    color: var(--dtc-text-light);
    text-decoration: none;
    transition: var(--dtc-transition);
    font-weight: 500;
}

.dtc-powered-by a:hover {
    color: var(--dtc-primary);
    text-decoration: underline;
}

/* Loading States */
.dtc-loading {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: var(--dtc-text-light);
    font-weight: 600;
    font-size: var(--dtc-font-size-lg);
    padding: 2rem;
    justify-content: center;
}

.dtc-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--dtc-border);
    border-top: 3px solid var(--dtc-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error States */
.dtc-error {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    color: #dc2626;
    padding: 2rem;
    border-radius: var(--dtc-radius-lg);
    border: 2px solid #fecaca;
    margin: 2rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
    font-size: var(--dtc-font-size-lg);
}

.dtc-error::before {
    content: '⚠️';
    font-size: 1.5rem;
}

/* Voice Feedback */
.dtc-voice-feedback {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--dtc-search-section-bg);
    padding: 1.5rem;
    border-radius: var(--dtc-radius-lg);
    box-shadow: var(--dtc-shadow-xl);
    border: 2px solid var(--dtc-border);
    z-index: var(--dtc-z-tooltip);
    display: none;
    min-width: 300px;
    max-width: 400px;
}

.dtc-voice-feedback.active {
    display: block;
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.dtc-voice-feedback-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    color: var(--dtc-primary);
    font-size: var(--dtc-font-size-lg);
}

.dtc-voice-feedback-text {
    font-size: var(--dtc-font-size-base);
    color: var(--dtc-text-light);
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1400px) {
    .dtc-lookup-container {
        max-width: 1200px;
        padding: var(--dtc-space-xl) var(--dtc-space-md);
    }
}

@media (max-width: 1200px) {
    .dtc-lookup-container {
        max-width: 1000px;
    }
    
    .dtc-search-box,
    .dtc-lookup-container[data-layout="horizontal"] .dtc-search-box {
        grid-template-columns: 1fr;
    }
    
    .dtc-btn {
        min-width: 100%;
    }
    
    .dtc-title {
        font-size: var(--dtc-font-size-6xl);
    }
}

@media (max-width: 768px) {
    .dtc-lookup-container {
        padding: var(--dtc-space-lg) var(--dtc-space-sm);
    }
    
    .dtc-title {
        font-size: var(--dtc-font-size-5xl);
    }
    
    .dtc-subtitle {
        font-size: var(--dtc-font-size-xl);
    }
    
    .dtc-search-section {
        padding: var(--dtc-space-xl) var(--dtc-space-lg);
    }
    
    .dtc-voice-controls {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    .dtc-voice-settings {
        justify-content: center;
    }
    
    .dtc-stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
    
    .dtc-code-header,
    .dtc-code-details {
        padding: 2rem 1.5rem;
    }
    
    .dtc-code-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .dtc-voice-feedback {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        min-width: auto;
        max-width: none;
    }
    
    .dtc-results-header h3 {
        font-size: var(--dtc-font-size-3xl);
    }
}

@media (max-width: 480px) {
    .dtc-lookup-container {
        padding: var(--dtc-space-md) var(--dtc-space-xs);
    }
    
    .dtc-lookup-header {
        padding: var(--dtc-space-xl) var(--dtc-space-md);
    }
    
    .dtc-title {
        font-size: var(--dtc-font-size-4xl);
    }
    
    .dtc-subtitle {
        font-size: var(--dtc-font-size-lg);
    }
    
    .dtc-search-section {
        padding: var(--dtc-space-lg) var(--dtc-space-md);
    }
    
    .dtc-stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .dtc-stat-card {
        padding: 2rem 1.5rem;
    }
    
    .dtc-stat-number {
        font-size: 2.5rem;
    }
    
    #dtc-search-input {
        padding: 1rem 1.25rem;
        font-size: var(--dtc-font-size-base);
    }
    
    .dtc-btn {
        padding: 1rem;
        font-size: var(--dtc-font-size-base);
        min-height: 45px;
    }
    
    .dtc-code-header,
    .dtc-code-details {
        padding: 1.5rem;
    }
    
    .dtc-code-title {
        font-size: var(--dtc-font-size-2xl);
    }
    
    .dtc-code-number {
        font-size: 1.25rem;
        padding: 0.75rem 1rem;
    }
}

/* Print Styles */
@media print {
    .dtc-search-section,
    .dtc-stats-section,
    .dtc-voice-controls,
    .dtc-voice-feedback,
    .dtc-powered-by {
        display: none;
    }
    
    .dtc-code-result {
        box-shadow: none;
        border: 2px solid #ccc;
        break-inside: avoid;
        margin-bottom: 1.5rem;
    }
    
    .dtc-code-header {
        background: #f5f5f5 !important;
        color: #333 !important;
    }
    
    .dtc-detail-section {
        background: #f9f9f9 !important;
        border-left: 2px solid #333 !important;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Custom Scrollbar */
.dtc-suggestions::-webkit-scrollbar {
    width: 8px;
}

.dtc-suggestions::-webkit-scrollbar-track {
    background: var(--dtc-secondary);
    border-radius: 4px;
}

.dtc-suggestions::-webkit-scrollbar-thumb {
    background: var(--dtc-border);
    border-radius: 4px;
}

.dtc-suggestions::-webkit-scrollbar-thumb:hover {
    background: var(--dtc-text-light);
}

/* Focus States for Accessibility */
.dtc-btn:focus,
#dtc-search-input:focus,
.dtc-toggle:focus-within {
    outline: 3px solid var(--dtc-primary);
    outline-offset: 2px;
}

/* Animation Classes */
.dtc-fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .dtc-btn,
    .dtc-search-section,
    .dtc-code-result,
    .dtc-stat-card,
    .dtc-suggestion-item,
    .dtc-detail-section {
        transition: none;
    }
    
    .dtc-btn::before {
        display: none;
    }
    
    .dtc-btn:hover,
    .dtc-search-section:hover,
    .dtc-code-result:hover,
    .dtc-stat-card:hover,
    .dtc-suggestion-item:hover,
    .dtc-detail-section:hover {
        transform: none;
    }
}