/* ============================================
   CSS VARIABLES & THEME SETUP
   ============================================ */
:root {
    /* Light Theme */
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8eef4;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    --accent-primary: #4f46e5;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    
    /* Status Colors */
    --success: #10b981;
    --success-bg: #d1fae5;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;
    
    /* Score Colors */
    --score-excellent: #10b981;
    --score-good: #22c55e;
    --score-moderate: #f59e0b;
    --score-poor: #f97316;
    --score-dangerous: #ef4444;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --accent-primary: #818cf8;
    --accent-secondary: #a78bfa;
    --accent-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --border-color: #334155;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(51, 65, 85, 0.5);
    
    --success-bg: rgba(16, 185, 129, 0.2);
    --warning-bg: rgba(245, 158, 11, 0.2);
    --danger-bg: rgba(239, 68, 68, 0.2);
    --info-bg: rgba(59, 130, 246, 0.2);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -200px;
    right: -200px;
    opacity: 0.15;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-secondary);
    bottom: -100px;
    left: -100px;
    opacity: 0.15;
    animation-delay: -5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--success);
    top: 50%;
    left: 50%;
    opacity: 0.1;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(50px, 50px) rotate(90deg); }
    50% { transform: translate(0, 100px) rotate(180deg); }
    75% { transform: translate(-50px, 50px) rotate(270deg); }
}

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    text-align: center;
    padding: 40px 0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.logo-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

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

.logo-text h1 {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Navigation Pills */
.nav-pills {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-pill {
    padding: 12px 24px;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
}

.nav-pill:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-pill.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

/* ============================================
   SEARCH SECTION
   ============================================ */
.search-section {
    margin-bottom: 40px;
}

.search-box {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.search-input-wrapper {
    flex: 1;
    min-width: 280px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 20px;
    color: var(--text-tertiary);
    font-size: 1.1rem;
}

#urlInput {
    width: 100%;
    padding: 18px 50px;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

#urlInput:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

#urlInput::placeholder {
    color: var(--text-tertiary);
}

.clear-btn {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 5px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#urlInput:not(:placeholder-shown) + .clear-btn {
    opacity: 1;
}

.clear-btn:hover {
    color: var(--danger);
}

.scan-btn {
    padding: 18px 40px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

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

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

.scan-btn.scanning {
    pointer-events: none;
    opacity: 0.8;
}

.scan-btn.scanning #scanIcon {
    animation: spin 1s linear infinite;
}

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

.quick-examples {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.quick-examples span {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.example-btn {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.example-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* ============================================
   LOADING SECTION
   ============================================ */
.loading-section {
    text-align: center;
    padding: 60px 20px;
}

.scanner-animation {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 30px;
}

.scanner-ring {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: scanner-spin 1.5s linear infinite;
}

.scanner-ring:nth-child(2) {
    inset: 15px;
    border-top-color: var(--accent-secondary);
    animation-duration: 2s;
    animation-direction: reverse;
}

.scanner-ring:nth-child(3) {
    inset: 30px;
    border-top-color: var(--success);
    animation-duration: 2.5s;
}

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

.scanner-center-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    color: var(--accent-primary);
    animation: pulse 1s ease-in-out infinite;
}

.loading-section h3 {
    color: var(--text-primary);
    margin-bottom: 30px;
    font-size: 1.3rem;
}

.loading-steps {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 300px;
    margin: 0 auto;
}

.loading-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    color: var(--text-tertiary);
    transition: all 0.3s ease;
}

.loading-step.active {
    color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.loading-step.completed {
    color: var(--success);
}

.loading-step.completed i {
    animation: none;
}

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

/* ============================================
   RESULTS SECTION
   ============================================ */
.results-section {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Score Container */
.score-container {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.score-circle-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
}

.score-circle {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

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

.score-progress {
    fill: none;
    stroke: var(--score-excellent);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: 565.48;
    stroke-dashoffset: 565.48;
    transition: stroke-dashoffset 1.5s ease, stroke 0.5s ease;
}

.score-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.score-number {
    font-size: 4rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.score-label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-top: 5px;
}

.score-info {
    flex: 1;
    min-width: 280px;
    text-align: center;
}

.score-info h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.result-url {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 20px;
    word-break: break-all;
}

.verdict-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.verdict-badge.safe {
    background: var(--success-bg);
    color: var(--success);
}

.verdict-badge.warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.verdict-badge.danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.result-summary {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.action-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Analysis Grid */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.analysis-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.analysis-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.card-icon.ssl { background: linear-gradient(135deg, #10b981 0%, #059669 100%); color: white; }
.card-icon.malware { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); color: white; }
.card-icon.phishing { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); color: white; }
.card-icon.domain { background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); color: white; }
.card-icon.reputation { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); color: white; }
.card-icon.blacklist { background: linear-gradient(135deg, #ec4899 0%, #db2777 100%); color: white; }
.card-icon.content { background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%); color: white; }
.card-icon.privacy { background: linear-gradient(135deg, #84cc16 0%, #65a30d 100%); color: white; }

.card-title {
    flex: 1;
}

.card-title h4 {
    font-size: 1rem;
    margin-bottom: 3px;
}

.card-status {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.card-status.pass { color: var(--success); }
.card-status.warning { color: var(--warning); }
.card-status.fail { color: var(--danger); }

.card-score {
    font-size: 1.5rem;
    font-weight: 700;
    min-width: 50px;
    text-align: right;
}

.card-score.high { color: var(--success); }
.card-score.medium { color: var(--warning); }
.card-score.low { color: var(--danger); }

.card-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.card-details p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Recommendations */
.recommendations-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.recommendations-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--warning);
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recommendation-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border-left: 4px solid var(--warning);
}

.recommendation-item i {
    color: var(--warning);
    margin-top: 2px;
}

.recommendation-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Technical Details */
.technical-details {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-md);
}

.technical-details summary {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    list-style: none;
}

.technical-details summary::-webkit-details-marker {
    display: none;
}

.technical-details summary .arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
}

.technical-details[open] summary .arrow {
    transform: rotate(180deg);
}

.tech-content {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

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

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

.tech-item .label {
    color: var(--text-tertiary);
}

.tech-item .value {
    color: var(--text-primary);
    font-weight: 500;
}

/* ============================================
   HISTORY TAB
   ============================================ */
.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.history-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
}

.clear-history-btn {
    padding: 10px 20px;
    background: var(--danger-bg);
    color: var(--danger);
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.clear-history-btn:hover {
    background: var(--danger);
    color: white;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.empty-history {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-secondary);
    border-radius: 16px;
}

.empty-history i {
    font-size: 4rem;
    color: var(--text-tertiary);
    margin-bottom: 20px;
}

.empty-history p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.empty-history span {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.history-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.history-score {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.history-score.excellent { background: var(--score-excellent); }
.history-score.good { background: var(--score-good); }
.history-score.moderate { background: var(--score-moderate); }
.history-score.poor { background: var(--score-poor); }
.history-score.dangerous { background: var(--score-dangerous); }

.history-info {
    flex: 1;
}

.history-url {
    font-weight: 600;
    margin-bottom: 5px;
    word-break: break-all;
}

.history-date {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.history-delete {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.history-delete:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ============================================
   ABOUT TAB
   ============================================ */
.about-content {
    animation: fadeIn 0.5s ease;
}

.about-hero {
    text-align: center;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 24px;
    margin-bottom: 30px;
}

.about-icon {
    width: 100px;
    height: 100px;
    background: var(--accent-gradient);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-lg);
}

.about-hero h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.about-hero p {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: 15px;
}

.feature-card h4 {
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.score-guide {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 30px;
}

.score-guide h3 {
    margin-bottom: 25px;
    text-align: center;
}

.score-ranges {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.score-range {
    display: flex;
    align-items: center;
    gap: 20px;
}

.range-bar {
    width: 60px;
    height: 12px;
    border-radius: 6px;
}

.score-range.excellent .range-bar { background: var(--score-excellent); }
.score-range.good .range-bar { background: var(--score-good); }
.score-range.moderate .range-bar { background: var(--score-moderate); }
.score-range.poor .range-bar { background: var(--score-poor); }
.score-range.dangerous .range-bar { background: var(--score-dangerous); }

.range-info {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.range-value {
    font-weight: 600;
    min-width: 60px;
}

.range-label {
    color: var(--text-secondary);
}

.disclaimer {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--warning-bg);
    border-radius: 12px;
    border-left: 4px solid var(--warning);
}

.disclaimer i {
    color: var(--warning);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.disclaimer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    margin-top: auto;
    padding: 30px 0;
    text-align: center;
    color: var(--text-tertiary);
}

.footer p {
    margin-bottom: 15px;
}

.footer .fa-heart {
    color: var(--danger);
    animation: heartbeat 1s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--text-tertiary);
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-primary);
    transform: translateY(-3px);
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 15px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast i {
    color: var(--success);
    font-size: 1.2rem;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    padding: 20px;
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal {
    background: var(--bg-secondary);
    border-radius: 20px;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 25px;
}

.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.share-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.share-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.share-option i {
    font-size: 1.5rem;
}

.share-option[data-platform="twitter"]:hover { background: #1da1f2; color: white; }
.share-option[data-platform="facebook"]:hover { background: #4267b2; color: white; }
.share-option[data-platform="linkedin"]:hover { background: #0077b5; color: white; }
.share-option[data-platform="whatsapp"]:hover { background: #25d366; color: white; }

.share-link {
    display: flex;
    gap: 10px;
}

.share-link input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.share-link button {
    padding: 12px 20px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-link button:hover {
    transform: scale(1.05);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    display: none !important;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header {
        padding: 20px 0;
    }
    
    .logo {
        flex-direction: column;
        text-align: center;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .logo-text h1 {
        font-size: 1.5rem;
    }
    
    .nav-pill {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .search-box {
        padding: 15px;
        flex-direction: column;
    }
    
    .scan-btn {
        width: 100%;
        justify-content: center;
    }
    
    .score-container {
        padding: 25px;
        flex-direction: column;
    }
    
    .score-circle-wrapper {
        width: 160px;
        height: 160px;
    }
    
    .score-number {
        font-size: 3rem;
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
    }
    
    .theme-toggle {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .action-buttons {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
        justify-content: center;
    }
    
    .share-options {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}