:root {
    --bg: #0d1117;
    --fg: #c9d1d9;
    --accent: #58a6ff;
    --border: #30363d;
    --panel: #161b22;
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    height: 100%;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
    margin-bottom: 20px;
}

h1 { font-size: 1.2rem; letter-spacing: 2px; color: var(--accent); margin: 0; }
a { color: var(--fg); text-decoration: none; border: 1px solid var(--border); padding: 5px 10px; font-size: 0.8rem; }
a:hover { background: var(--border); }


.workspace {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
    min-height: 0;
}

.input-section {
    flex: 0 0 150px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.terminal-header {
    background: #21262d;
    padding: 5px 10px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 5px;
}

.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.red { background: #ff5f56; } .yellow { background: #ffbd2e; } .green { background: #27c93f; }
.title { margin-left: 10px; font-size: 0.8rem; color: #8b949e; }

.editor-wrapper {
    display: flex;
    flex: 1;
    position: relative;
}

textarea {
    background: transparent;
    color: var(--fg);
    border: none;
    resize: none;
    padding: 10px 10px 10px 45px;
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.5;
    flex: 1;
    outline: none;
}

.status-bar {
    background: var(--border);
    color: var(--fg);
    padding: 5px 10px;
    font-size: 0.7rem;
    text-align: right;
}

.preview-pane {
    background: #fff;
    color: #000;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#canvas {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.placeholder { color: #ccc; font-size: 0.8rem; letter-spacing: 1px; }

.component {
    border: 2px solid #000;
    margin: -10px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    background: rgba(0,0,0,0.05);
}

.vase-structure { width: 100px; height: 120px; border-radius: 0 0 40px 40px; border-top: none; }
.root-tuber { width: 120px; height: 80px; border-radius: 50%; background: #e0e0e0; }
.stem-basic { width: 10px; height: 150px; background: #2e7d32; border: none; }
.root-bulb-fibrous { width: 80px; height: 80px; border-radius: 50% 50% 0 50%; border-bottom: 4px dashed #000; }

.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: #0d1117;
    border-top: 1px solid var(--border);
}

.visual-section {
    flex: 1;
    display: flex;
    gap: 20px;
    min-height: 0;
}

.view-pane {
    flex: 1;
    background: #161b22;
    border: 1px solid var(--border);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.pane-label {
    background: #21262d;
    color: #8b949e;
    padding: 5px 10px;
    font-size: 0.7rem;
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 1px;
}

#canvas, #reference {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    overflow: hidden;
    padding: 20px;
}

#reference img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border: 1px dashed #ccc;
}

button {
    background: var(--panel);
    border: 1px solid var(--border);
    color: var(--accent);
    padding: 10px 20px;
    cursor: pointer;
    font-family: inherit;
    font-weight: bold;
}

button:hover { background: var(--border); }