/* ===================================
   Responsive Styles (Mobile-First)
   =================================== */

@media (max-width: 1000px) {
    .dashboard-charts {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 768px) {
    /* Navigation */
    nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Hero */
    .hero {
        padding: 140px var(--spacing-md) var(--spacing-2xl);
    }

    .hero-title {
        font-size: 2.5em;
    }

    .hero-subtitle {
        font-size: 1.2em;
    }

    /* Sections */
    .section-title {
        font-size: 2em;
    }

    .staking-section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    /* Grids */
    .staking-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    /* AI Support Widget */
    .ai-support-chat {
        width: calc(100vw - 40px);
        right: var(--spacing-md);
        bottom: 110px;
    }

    .ai-support-widget {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }

    .ai-support-button {
        width: 65px;
        height: 65px;
    }

    /* Dashboard */
    .dashboard-hero-title {
        font-size: 20px;
    }

    .dashboard-hero-sub {
        font-size: 12px;
    }

    .dashboard-hero-metrics {
        flex-direction: column;
    }

    .dashboard-hero-metric {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2em;
    }

    .hero-subtitle {
        font-size: 1em;
    }

    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1em;
    }

    .logo-text {
        font-size: 1.4em;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 1.5em;
    }

    .section-title {
        font-size: 1.8em;
    }

    .card-title {
        font-size: 1.4em;
    }

    .card-icon {
        width: 50px;
        height: 50px;
        font-size: 1.6em;
    }
}