/* ========================================
   RoLeaf SEO Audit Platform
   audit.roleaf.ro
   Consistent with RoLeaf.ro design system
======================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Source+Sans+3:wght@400;500;600&display=swap');

/* CSS Variables - Matching RoLeaf */
:root {
    /* Primary Colors - Forest Green Palette */
    --primary-50: #f0fdf4;
    --primary-100: #dcfce7;
    --primary-200: #bbf7d0;
    --primary-300: #86efac;
    --primary-400: #4ade80;
    --primary-500: #22c55e;
    --primary-600: #16a34a;
    --primary-700: #15803d;
    --primary-800: #166534;
    --primary-900: #14532d;
    
    /* Accent - Warm Amber */
    --accent-400: #fbbf24;
    --accent-500: #f59e0b;
    --accent-600: #d97706;
    
    /* Score Colors */
    --score-excellent: #10b981;
    --score-good: #22c55e;
    --score-warning: #f59e0b;
    --score-poor: #ef4444;
    
    /* Neutrals */
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    
    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Source Sans 3', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover { color: var(--primary-700); }

/* ========================================
   Header
======================================== */
.header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header-brand img {
    height: 28px;
}

.header-brand span {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.header-nav a {
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--gray-600);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.header-nav a:hover {
    color: var(--primary-600);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-50) 0%, white 50%, var(--primary-50) 100%);
    padding: var(--space-3xl) var(--space-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--space-xl);
}

/* ========================================
   Audit Form
======================================== */
.audit-form-wrapper {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    max-width: 600px;
    margin: 0 auto;
}

.audit-form {
    display: flex;
    gap: var(--space-md);
}

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

.input-wrapper i {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.audit-input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 2.75rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    background: var(--gray-50);
}

.audit-input:focus {
    outline: none;
    border-color: var(--primary-400);
    background: white;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1);
}

.audit-input::placeholder {
    color: var(--gray-400);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: white;
    color: var(--primary-600);
    border: 2px solid var(--primary-200);
}

.btn-secondary:hover {
    background: var(--primary-50);
    border-color: var(--primary-400);
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

.rate-limit-info {
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

/* ========================================
   Loading State
======================================== */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: var(--space-lg);
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--primary-100);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--gray-700);
}

.loading-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    text-align: left;
}

.loading-step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

.loading-step.active {
    color: var(--primary-600);
}

.loading-step.done {
    color: var(--score-excellent);
}

.loading-step i {
    width: 20px;
}

/* ========================================
   Results Page
======================================== */
.results-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

/* Score Card */
.score-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.score-url {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-bottom: var(--space-lg);
    word-break: break-all;
}

.score-url a {
    color: var(--primary-600);
}

.score-circle-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.score-circle {
    position: relative;
    width: 180px;
    height: 180px;
}

.score-circle svg {
    transform: rotate(-90deg);
}

.score-circle-bg {
    fill: none;
    stroke: var(--gray-100);
    stroke-width: 12;
}

.score-circle-fill {
    fill: none;
    stroke-width: 12;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease-out;
}

.score-circle-fill.excellent { stroke: var(--score-excellent); }
.score-circle-fill.good { stroke: var(--score-good); }
.score-circle-fill.warning { stroke: var(--score-warning); }
.score-circle-fill.poor { stroke: var(--score-poor); }

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.score-number.excellent { color: var(--score-excellent); }
.score-number.good { color: var(--score-good); }
.score-number.warning { color: var(--score-warning); }
.score-number.poor { color: var(--score-poor); }

.score-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

.score-breakdown {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--gray-100);
}

.score-breakdown-item {
    text-align: center;
}

.score-breakdown-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.score-breakdown-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

/* Result Sections */
.result-section {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-100);
}

.section-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.section-icon.seo {
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    color: var(--primary-700);
}

.section-icon.technical {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1d4ed8;
}

.section-icon.social {
    background: linear-gradient(135deg, #fce7f3, #fbcfe8);
    color: #be185d;
}

.section-icon.ai {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #b45309;
}

.section-icon.promo {
    background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
    color: #4338ca;
}

.section-title {
    flex: 1;
}

.section-title h3 {
    margin-bottom: var(--space-xs);
}

.section-title p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin: 0;
}

.section-score {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
}

.section-score.excellent {
    background: rgba(16, 185, 129, 0.1);
    color: var(--score-excellent);
}

.section-score.good {
    background: rgba(34, 197, 94, 0.1);
    color: var(--score-good);
}

.section-score.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--score-warning);
}

.section-score.poor {
    background: rgba(239, 68, 68, 0.1);
    color: var(--score-poor);
}

/* Check Items */
.check-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.check-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: var(--gray-50);
}

.check-item.success { background: rgba(16, 185, 129, 0.05); }
.check-item.warning { background: rgba(245, 158, 11, 0.05); }
.check-item.error { background: rgba(239, 68, 68, 0.05); }

.check-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.check-icon.success {
    background: var(--score-excellent);
    color: white;
}

.check-icon.warning {
    background: var(--score-warning);
    color: white;
}

.check-icon.error {
    background: var(--score-poor);
    color: white;
}

.check-content {
    flex: 1;
}

.check-title {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-xs);
}

.check-description {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.check-value {
    font-family: monospace;
    font-size: 0.8rem;
    background: var(--gray-100);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-top: var(--space-sm);
    word-break: break-all;
    color: var(--gray-700);
}

/* AI Summary Card */
.ai-summary {
    background: linear-gradient(135deg, var(--primary-50), white);
    border: 1px solid var(--primary-100);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.ai-summary p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin: 0;
}

/* Priority List */
.priority-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.priority-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid;
}

.priority-item.high { border-color: var(--score-poor); }
.priority-item.medium { border-color: var(--score-warning); }
.priority-item.low { border-color: var(--score-good); }

.priority-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    height: fit-content;
}

.priority-badge.high {
    background: rgba(239, 68, 68, 0.1);
    color: var(--score-poor);
}

.priority-badge.medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--score-warning);
}

.priority-badge.low {
    background: rgba(34, 197, 94, 0.1);
    color: var(--score-good);
}

.priority-content h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.priority-content p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

/* Promotion Strategies */
.strategy-grid {
    display: grid;
    gap: var(--space-lg);
}

.strategy-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.strategy-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
}

.strategy-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.strategy-header h4 {
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.difficulty-badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
}

.difficulty-badge.easy {
    background: rgba(16, 185, 129, 0.1);
    color: var(--score-excellent);
}

.difficulty-badge.medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--score-warning);
}

.difficulty-badge.hard {
    background: rgba(239, 68, 68, 0.1);
    color: var(--score-poor);
}

.strategy-description {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: var(--space-md);
}

.strategy-impact {
    font-size: 0.8rem;
    color: var(--primary-700);
    background: var(--primary-50);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Quick Wins */
.quick-wins {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.quick-win {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--primary-50);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--gray-700);
}

.quick-win i {
    color: var(--primary-500);
    margin-top: 2px;
}

/* Tips List */
.tips-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.tip-item i {
    color: var(--primary-500);
    margin-top: 3px;
}

/* RoLeaf Promo Banner */
.roleaf-promo {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    color: white;
    margin-top: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.roleaf-promo-content {
    flex: 1;
}

.roleaf-promo h3 {
    color: white;
    margin-bottom: var(--space-sm);
}

.roleaf-promo p {
    color: var(--primary-200);
    margin-bottom: var(--space-md);
}

.roleaf-promo-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.roleaf-promo-features span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: var(--primary-100);
}

.roleaf-promo-features i {
    color: var(--accent-400);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
    color: var(--gray-900);
    font-weight: 700;
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
    transform: translateY(-2px);
}

/* Share Actions */
.share-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
}

.share-url {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gray-100);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--gray-600);
    max-width: 400px;
    overflow: hidden;
}

.share-url span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--space-xl) var(--space-lg);
    margin-top: auto;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-brand img {
    height: 24px;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .audit-form {
        flex-direction: column;
    }
    
    .score-breakdown {
        grid-template-columns: 1fr;
    }
    
    .roleaf-promo {
        flex-direction: column;
        text-align: center;
    }
    
    .share-actions {
        flex-direction: column;
    }
    
    .share-url {
        max-width: 100%;
    }
    
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

/* Error State */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--score-poor);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
    display: none;
}

.error-message.visible {
    display: block;
}

/* Collapsible Sections */
.collapsible-header {
    cursor: pointer;
    user-select: none;
}

.collapsible-header .toggle-icon {
    transition: transform var(--transition-base);
}

.collapsible-header.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.collapsible-content {
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.collapsible-content.collapsed {
    max-height: 0 !important;
}

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

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4 { animation-delay: 0.4s; opacity: 0; }