/* ============================================================================
   CHKRS - Website Marketing Foundation Checker
   Modern, Bold, Checkerboard-Inspired Design
   ============================================================================ */

:root {
    /* Brand Colors - Bold Red & Black */
    --primary-red: #E63946;
    --primary-red-dark: #C5303D;
    --primary-red-light: #FF4C5C;
    --primary-black: #1A1A1A;
    --primary-white: #FFFFFF;
    
    /* Grays */
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --gray-900: #212529;
    
    /* Status Colors */
    --success: #10B981;
    --success-bg: #D1FAE5;
    --warning: #F59E0B;
    --warning-bg: #FEF3C7;
    --error: #EF4444;
    --error-bg: #FEE2E2;
    --info: #3B82F6;
    --info-bg: #DBEAFE;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    color: var(--gray-900);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================================
   HERO / HEADER
   ============================================================================ */

.hero {
    text-align: center;
    padding: 64px 0 48px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.logo h1 {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--primary-black);
    margin: 0;
}

.logo svg {
    animation: checkBounce 2s ease-in-out infinite;
}

@keyframes checkBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.tagline {
    font-size: 24px;
    color: var(--gray-700);
    margin-bottom: 32px;
    font-weight: 400;
}

.tagline strong {
    color: var(--primary-red);
    font-weight: 600;
}

.features-grid {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

.feature-pill {
    background: var(--primary-white);
    border: 2px solid var(--gray-200);
    border-radius: 24px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    box-shadow: var(--shadow-sm);
}

/* ============================================================================
   INPUT SECTION
   ============================================================================ */

.input-section {
    background: var(--primary-white);
    border-radius: 16px;
    padding: 48px;
    margin: 48px 0;
    box-shadow: var(--shadow-xl);
    border: 3px solid var(--primary-black);
}

.input-group {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.input-wrapper {
    position: relative;
    flex: 1;
}

.input-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

#domainInput {
    width: 100%;
    padding: 18px 20px 18px 52px;
    font-size: 18px;
    font-family: var(--font-main);
    border: 3px solid var(--gray-300);
    border-radius: 12px;
    background: var(--gray-50);
    transition: all 0.2s ease;
    font-weight: 500;
}

#domainInput:focus {
    outline: none;
    border-color: var(--primary-red);
    background: var(--primary-white);
    box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
}

#domainInput::placeholder {
    color: var(--gray-400);
}

.check-button {
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 600;
    font-family: var(--font-main);
    background: var(--primary-red);
    color: var(--primary-white);
    border: 3px solid var(--primary-black);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
}

.check-button:hover {
    background: var(--primary-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.check-button:active {
    transform: translateY(0);
}

.check-button:disabled {
    background: var(--gray-300);
    cursor: not-allowed;
    transform: none;
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.input-hint {
    text-align: center;
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 16px;
}

/* ============================================================================
   RESULTS SECTION
   ============================================================================ */

.results-section {
    margin: 48px 0;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding: 24px 32px;
    background: var(--primary-white);
    border-radius: 12px;
    border: 3px solid var(--primary-black);
    box-shadow: var(--shadow-lg);
}

.results-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-black);
}

.domain-highlight {
    color: var(--primary-red);
}

.results-meta {
    display: flex;
    gap: 16px;
}

.check-count {
    background: var(--gray-100);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    color: var(--gray-700);
}

#passedCount {
    color: var(--primary-red);
    font-size: 20px;
}

/* Status Banner */
#statusBanner {
    margin-bottom: 32px;
    padding: 20px 24px;
    border-radius: 12px;
    border: 3px solid;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
}

#statusBanner.success {
    background: var(--success-bg);
    border-color: var(--success);
    color: #065F46;
}

#statusBanner.warning {
    background: var(--warning-bg);
    border-color: var(--warning);
    color: #92400E;
}

#statusBanner.error {
    background: var(--error-bg);
    border-color: var(--error);
    color: #991B1B;
}

/* ============================================================================
   RESULT CATEGORIES
   ============================================================================ */

.result-category {
    margin-bottom: 40px;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--primary-black);
    color: var(--primary-white);
    border-radius: 12px 12px 0 0;
    font-size: 20px;
    font-weight: 700;
    border: 3px solid var(--primary-black);
    border-bottom: none;
}

.category-icon {
    font-size: 24px;
}

.category-count {
    margin-left: auto;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 500;
}

/* ============================================================================
   RESULT ITEMS
   ============================================================================ */

.result-item {
    background: var(--primary-white);
    border: 3px solid var(--primary-black);
    border-top: none;
    padding: 20px 24px;
    transition: all 0.2s ease;
}

.result-item:last-child {
    border-radius: 0 0 12px 12px;
}

.result-item + .result-item {
    border-top: 2px dashed var(--gray-300);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.result-icon {
    font-size: 24px;
    min-width: 28px;
    text-align: center;
}

.result-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-black);
}

.result-content {
    padding-left: 40px;
}

.result-description {
    color: var(--gray-900);
    margin-bottom: 8px;
    line-height: 1.6;
    font-weight: 400;
}

/* Ensure good contrast in all states */
.result-item .result-title {
    color: var(--primary-black);
}

.result-item .result-content p,
.result-item .result-content li {
    color: var(--gray-900);
}

/* Result States */
.result-item.pass {
    background: var(--success-bg);
    animation: checkPop 0.4s ease;
}

.result-item.pass .result-icon {
    animation: iconBounce 0.6s ease;
}

.result-item.pass .result-description,
.result-item.pass .result-content {
    color: #065F46; /* Dark green for WCAG AA contrast */
}

.result-item.warning {
    background: var(--warning-bg);
}

.result-item.warning .result-description,
.result-item.warning .result-content {
    color: #92400E; /* Dark amber for contrast */
}

.result-item.fail {
    background: var(--error-bg);
}

.result-item.fail .result-description,
.result-item.fail .result-content {
    color: #991B1B; /* Dark red for contrast */
}

.result-item.info {
    background: var(--info-bg);
}

.result-item.info .result-description,
.result-item.info .result-content {
    color: #1E40AF; /* Dark blue for contrast */
}

@keyframes checkPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

@keyframes iconBounce {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.2); }
    50% { transform: scale(0.9); }
    75% { transform: scale(1.1); }
}

/* Enhanced Content */
.result-services,
.result-verify {
    margin-top: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 8px;
    border-left: 4px solid var(--gray-400);
}

/* Context-aware borders - match the result state */
.result-item.pass .result-services,
.result-item.pass .result-verify {
    border-left-color: var(--success);
    background: rgba(255, 255, 255, 0.7);
}

.result-item.warning .result-services,
.result-item.warning .result-verify {
    border-left-color: var(--warning);
    background: rgba(255, 255, 255, 0.7);
}

.result-item.fail .result-services,
.result-item.fail .result-verify {
    border-left-color: var(--error);
    background: rgba(255, 255, 255, 0.7);
}

.result-item.info .result-services,
.result-item.info .result-verify {
    border-left-color: var(--info);
    background: rgba(255, 255, 255, 0.7);
}

.result-services-title {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.result-services-list,
.result-verify ul {
    list-style: none;
    padding: 0;
}

.result-services-list li,
.result-verify li {
    padding: 6px 0;
    color: var(--gray-900);
    line-height: 1.5;
}

.result-services-list li:before {
    content: "✓ ";
    color: var(--success);
    font-weight: bold;
    margin-right: 8px;
}

.result-verify li:before {
    content: "→ ";
    color: var(--gray-600);
    font-weight: bold;
    margin-right: 8px;
}

.result-why {
    margin-top: 12px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    font-size: 14px;
    color: var(--gray-700);
    font-style: italic;
}

/* Code blocks - proper formatting */
code, pre {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    font-size: 13px;
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--gray-900);
}

pre {
    padding: 12px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.5;
}

/* DNS Record display blocks */
.result-record {
    margin-top: 16px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--gray-50);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    font-size: 13px;
    color: var(--primary-black);
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.6;
}

.result-record strong {
    color: var(--primary-black);
    font-weight: 600;
}

/* Lists inside result-record boxes */
.result-record ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.result-record li {
    padding: 2px 0;
}

.result-record li::before {
    content: '• ';
    color: var(--gray-600);
}

/* Accessibility check list - no bullets, icons already present */
.accessibility-check-list {
    list-style: none !important;
    padding-left: 0 !important;
    margin: 0 !important;
}

.accessibility-check-list li {
    padding: 4px 0;
}

.accessibility-check-list li::before {
    content: none !important;
}

/* Nested lists in verify sections */
.nested-list {
    list-style: none;
    padding-left: 1.5em;
    margin: 8px 0;
}

.nested-list li {
    padding: 4px 0;
}

.nested-list li::before {
    content: '→ ' !important;
    color: var(--gray-600);
}

/* Links in result-record */
.result-record a {
    color: var(--primary-red);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease;
}

.result-record a:hover {
    border-bottom-color: var(--primary-red);
}

.result-record a::after {
    content: ' ↗';
    font-size: 0.85em;
    opacity: 0.7;
}

/* Links in results */
.result-content a {
    color: var(--primary-red);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--primary-red);
}

.result-content a:hover {
    border-bottom: 2px solid var(--primary-red);
}

/* ============================================================================
   ACTION BUTTONS
   ============================================================================ */

.action-buttons {
    display: flex;
    gap: 16px;
    margin-top: 48px;
    justify-content: center;
}

.primary-button,
.secondary-button {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-main);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 3px solid var(--primary-black);
}

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

.primary-button:hover {
    background: var(--primary-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.secondary-button {
    background: var(--primary-white);
    color: var(--primary-black);
}

.secondary-button:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

footer {
    margin-top: 96px;
    padding: 48px 0;
    border-top: 3px solid var(--primary-black);
    background: var(--primary-white);
    width: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo svg {
    flex-shrink: 0;
}

.footer-logo span {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-black);
}

.footer-brand p {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.6;
}

.footer-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: right;
}

.disclaimer {
    font-size: 12px;
    color: var(--gray-600);
    line-height: 1.5;
}

.version-info {
    font-size: 11px;
    color: var(--gray-400);
    line-height: 1.5;
}

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

@media (max-width: 768px) {
    .logo h1 {
        font-size: 42px;
    }
    
    .tagline {
        font-size: 18px;
    }
    
    .input-section {
        padding: 32px 24px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    #domainInput {
        font-size: 16px;
    }
    
    .check-button {
        width: 100%;
        justify-content: center;
        font-size: 16px;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .action-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .primary-button,
    .secondary-button {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-meta {
        text-align: center;
    }
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
    body {
        background: white;
    }
    
    .hero,
    .input-section,
    .action-buttons,
    footer {
        display: none;
    }
    
    .result-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* ============================================================================
   LOADING STATE
   ============================================================================ */

.result-item.loading .result-icon {
    animation: pulse 1.5s ease-in-out infinite;
}

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

/* ============================================================================
   ERROR MESSAGE
   ============================================================================ */

.error-message {
    background: var(--error-bg);
    border: 3px solid var(--error);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.error-message h2 {
    color: var(--error);
    margin-bottom: 16px;
}

.error-message p {
    color: #991B1B;
    margin-bottom: 24px;
}