@font-face {
    font-family: 'PrintChar21';
    src: url('../../../fonts/pr/PrintChar21.ttf') format('truetype');
}

:root {
    --amber:        #ff8c00;
    --amber-bright: #ffaf4d;
    --amber-dim:    #8b4513;
    --bg:           #000000;
    --font:         'PrintChar21', 'Courier New', monospace;
    --fs:           13px;
    --lh:           1.4;
}

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

html, body {
    width: 100%;
    height: 100%;
    background: var(--bg);
    color: var(--amber);
    font-family: var(--font);
    font-size: var(--fs);
    line-height: var(--lh);
    overflow: hidden;
}

#terminal {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 4px 8px;
}

#controls-bar {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-bottom: 6px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--amber-dim);
    font-family: var(--font);
    font-size: var(--fs);
    color: var(--amber);
}

.ctrl-row {
    display: flex;
    align-items: center;
    gap: 16px;
    white-space: nowrap;
}

#controls-bar button {
    background: none;
    border: 1px solid var(--amber-dim);
    color: var(--amber);
    font-family: var(--font);
    font-size: var(--fs);
    padding: 2px 6px;
    cursor: pointer;
}

#controls-bar button:hover {
    border-color: var(--amber);
    color: var(--amber-bright);
}

.ctrl-sep {
    color: var(--amber-dim);
    padding: 0 4px;
}

.ctrl-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

#controls-bar input[type="range"] {
    width: 100px;
    accent-color: var(--amber);
    cursor: pointer;
}

#stats-header {
    flex-shrink: 0;
    color: var(--amber-bright);
    padding-bottom: 4px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--amber-dim);
    font-family: var(--font);
    font-size: var(--fs);
    line-height: var(--lh);
}

#execution-zone {
    flex-shrink: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--amber-dim);
    margin-bottom: 6px;
}

.zone-label {
    color: var(--amber-dim);
    font-size: 11px;
    margin-bottom: 2px;
}

.tape-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: 0.5px;
}

.tape-joined {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tape-joined-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: 0.5px;
}

.tape-joined-row:last-child {
    border-top: 1px solid var(--amber-dim);
    padding-top: 4px;
}

.tape-joined-row .cell {
    width: 1.2em;
    text-align: center;
    color: var(--amber-dim);
}

.tape-joined-row .cell.bf-op {
    color: var(--amber);
}

.tape-joined-row .cell.ip {
    background: var(--amber);
    color: var(--bg);
}

.tape-joined-row .cell.head0 {
    border-bottom: 2px solid #00ff00;
}

.tape-joined-row .cell.head1 {
    border-bottom: 2px solid #00aaff;
}

.tape-joined-row .cell.head0.head1 {
    border-bottom: 2px solid #ff00ff;
}

.tape-row .cell {
    width: 1.2em;
    text-align: center;
    color: var(--amber-dim);
}

.tape-row .cell.bf-op {
    color: var(--amber);
}

.tape-row .cell.ip {
    background: var(--amber);
    color: var(--bg);
}

.tape-row .cell.head0 {
    border-bottom: 2px solid #00ff00;
}

.tape-row .cell.head1 {
    border-bottom: 2px solid #00aaff;
}

.tape-row .cell.head0.head1 {
    border-bottom: 2px solid #ff00ff;
}

#tape-markers {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.markers-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    font-size: 10px;
    color: var(--amber-dim);
    height: 1.2em;
}

.markers-row .marker {
    width: 1.2em;
    text-align: center;
}

#soup-zone {
    flex: 1;
    overflow: auto;
    min-height: 0;
}

#soup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 24px;
}

.soup-tape {
    font-family: var(--font);
    font-size: 11px;
    line-height: 1.3;
    color: var(--amber-dim);
    padding: 2px 4px;
    border: 1px solid transparent;
}

.soup-tape.selected {
    border-color: var(--amber);
    color: var(--amber);
}

.limit-hit {
    color: var(--amber-bright);
    margin-left: 8px;
}

.soup-tape .tape-content {
    white-space: pre;
    overflow: hidden;
    text-overflow: ellipsis;
}