/* Reset و فونت‌ها */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: white;
    line-height: 1.6;
    min-height: 100vh;
}

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

/* هدر */
.header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.logo {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, #00b4db, #0083b0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* بخش اصلی */
.main {
    padding: 3rem 0;
}

/* کارت‌های بازار */
.market-section {
    margin-bottom: 3rem;
}

.market-section h2 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.price {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.change {
    font-size: 1rem;
    font-weight: bold;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    display: inline-block;
}

.change.positive {
    background: rgba(76, 175, 80, 0.3);
    color: #4CAF50;
}

.change.negative {
    background: rgba(244, 67, 54, 0.3);
    color: #F44336;
}

/* تحلیل AI */
.ai-section {
    margin-bottom: 3rem;
}

.ai-section h2 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.analysis-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.analysis-result h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.sentiment {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.sentiment.positive {
    color: #4CAF50;
}

.analysis-text {
    opacity: 0.9;
    line-height: 1.8;
}

.confidence {
    background: rgba(0, 180, 219, 0.3);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    font-weight: bold;
}

/* نمودار */
.chart-section {
    margin-bottom: 3rem;
}

.chart-section h2 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.chart-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
}

/* فوتر */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ریسپانسیو */
@media (max-width: 768px) {
    .cards-container {
        grid-template-columns: 1fr;
    }
    
    .analysis-card {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
}