/**
 * Base styles and CSS variables
 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --tg-midnight-blue: #191f2d;
    --tg-dark-blue: #222a3e;
    --tg-accent: #3390ec;
    --tg-text: #ffffff;
    --tg-text-secondary: #8e9499;
    --tg-success: #34c759;
    --tg-error: #ff3b30;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--tg-midnight-blue);
    color: var(--tg-text);
    min-height: 100vh;
    overflow-x: hidden;
    padding-top: env(safe-area-inset-top);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.container {
    max-width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background-color: var(--tg-dark-blue);
    padding: 12px 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--tg-text);
    letter-spacing: 0.5px;
}

.main-content {
    flex: 1;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}