:root {
    --bg-color: #0a0a0a;
    --card-bg: #1a1a1a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-blue: #2EF5FF;
    --accent-red: #ff9100;
    --border-color: #333;
    --input-bg: #222;
    --success: #4caf50;
    --error: #f44336;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', 'Segoe UI', 'Microsoft YaHei', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 20px;
}

.main-header {
    width: 100%;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.main-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
}

.api-stats {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    background-color: var(--card-bg);
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-number {
    color: #FFC107; /* Theme Yellow */
    font-weight: 600;
    margin-left: 5px;
}

.divider {
    color: var(--border-color);
}

.container {
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin: 0 auto; /* Center the container horizontally */
    margin-top: 5vh;
}

.hidden {
    display: none;
}

footer {
    text-align: center;
    margin-top: auto;
    color: var(--text-secondary);
    font-size: 0.8rem;
    opacity: 0.6;
    padding-top: 20px;
}

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

/* Custom scrollbar for webkit */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #333; 
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555; 
}

/* Landscape Layout - Base Container adjustment */
@media (min-width: 768px) {
    .container {
        max-width: 1000px;
        margin-top: 5vh;
    }
}