:root {
    --primary: #4285f4;
    --primary-dark: #3367d6;
    --secondary: #34a853;
    --tertiary: #ea4335;
    --warning: #fbbc05;
    --light: #f8f9fa;
    --dark: #343a40;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --text-color: #343a40;
    --border-color: #dee2e6;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e9ecef;
    --border-color: #343a40;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --gray-light: #2d3748;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: var(--transition);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.8s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 28px;
    color: var(--primary);
}

h1 {
    color: var(--primary);
    margin-bottom: 0;
    font-size: 28px;
}

.description {
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.theme-toggle button {
    background: var(--primary);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
}

.theme-toggle button:hover {
    background: var(--primary-dark);
    transform: rotate(15deg);
}

/* Tool Container */
.tool-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.input-section, .results-section {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    animation: slideIn 0.5s ease;
}

.input-section {
    flex: 1;
    min-width: 300px;
}

.results-section {
    flex: 2;
    min-width: 300px;
}

.input-section h2, .results-section h2 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input[type="url"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
}

input[type="url"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.2);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    width: 100%;
    justify-content: center;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:disabled {
    background-color: var(--gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.advanced-options {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 10px;
    transform: scale(1.2);
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: normal;
}

/* Results Styles */
.welcome-message {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray);
}

.welcome-message i {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--primary);
    opacity: 0.7;
}

.result-item {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
    background-color: var(--bg-color);
    animation: fadeInUp 0.5s ease;
    border-left: 4px solid var(--primary);
}

.result-item:hover {
    transform: translateX(5px);
}

.result-title {
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-value {
    font-size: 18px;
    font-weight: 700;
}

.positive {
    color: var(--secondary);
}

.negative {
    color: var(--tertiary);
}

.neutral {
    color: var(--warning);
}

.progress-bar {
    height: 12px;
    background-color: var(--gray-light);
    border-radius: 6px;
    margin-top: 8px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: var(--primary);
    width: 0%;
    transition: width 0.8s ease;
    border-radius: 6px;
}

/* Stats Container */
.stats-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
    animation: fadeIn 0.8s ease;
}

.stat-card {
    flex: 1;
    min-width: 200px;
    background-color: var(--card-bg);
    padding: 25px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    margin: 10px 0;
    color: var(--primary);
}

.stat-label {
    color: var(--gray);
    font-size: 14px;
}

/* Map Container */
.map-container {
    margin-top: 30px;
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.8s ease;
}

.map-title {
    margin-bottom: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--primary);
}

#world-map {
    width: 100%;
    min-height: 400px;
    background-color: var(--bg-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder {
    text-align: center;
    color: var(--gray);
}

.map-placeholder i {
    font-size: 64px;
    margin-bottom: 15px;
    color: var(--primary);
    opacity: 0.7;
}

/* AI Insights */
.ai-insights {
    margin-top: 30px;
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.8s ease;
}

.ai-insights h3 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
}

.insight-item {
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    background-color: var(--bg-color);
    border-left: 4px solid var(--primary);
}

.insight-item h4 {
    margin-bottom: 8px;
    color: var(--primary);
}

.insight-item p {
    margin-bottom: 0;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,0,0,.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateX(-20px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}

/* Footer */
footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px;
    color: var(--gray);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-container {
        flex-direction: column;
    }
    
    .stats-container {
        flex-direction: column;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    h1 {
        font-size: 24px;
    }
}