:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --border-color: #333333;
    --text-main: #e0e0e0;
    --text-muted: #888888;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-red: #ef4444;
    --accent-red-hover: #dc2626;
    --accent-green: #10b981;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

h1, h2, h3 { margin-bottom: 15px; font-weight: 600; }
p { margin-bottom: 15px; }
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
}

.form-group { margin-bottom: 15px; }
label { display: block; margin-bottom: 5px; color: var(--text-muted); font-size: 0.9em; }
input[type="text"], input[type="password"] {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 4px;
    font-family: inherit;
}
input:focus { outline: none; border-color: var(--accent-blue); }

button, .btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--surface-color);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9em;
    transition: all 0.2s;
}
button:hover, .btn:hover { background-color: #2a2a2a; }
.btn-primary { background-color: var(--accent-blue); color: white; border-color: var(--accent-blue); }
.btn-primary:hover { background-color: var(--accent-blue-hover); border-color: var(--accent-blue-hover); }
.btn-danger { background-color: transparent; color: var(--accent-red); border-color: var(--accent-red); }
.btn-danger:hover { background-color: var(--accent-red); color: white; }

/* animate a button flashing when clicked */
.btn:active {
    animation: flash 0.5s step-end;
}

@keyframes flash {
    0% { background-color: var(--text-muted); color: white; }
    100% { background-color: var(--surface-color); color: var(--text-main); }
}

.text-muted { color: var(--text-muted); font-size: 0.85em; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.spacer { margin-top: 20px; }

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 10px;
    background-color: var(--surface-color);
    text-decoration: none;
    color: inherit;
}
.list-item:hover { border-color: var(--accent-blue); }

.api-key-container { display: flex; align-items: center; gap: 10px; }
.api-key-box {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 5px 10px;
    border-radius: 4px;
    font-family: monospace;
    cursor: pointer;
    min-width: 250px;
    text-align: center;
}
.api-key-box:hover { border-color: var(--accent-blue); }

iframe {
    width: 100%;
    height: 600px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

@media (max-width: 600px) {
    .header-bar, .api-key-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        width: 100%;
    }

    .api-key-box {
        min-width: 100%;
    }

    .list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    iframe {
        height: 400px;
    }

    .flex-between {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}