/* Chess Move Presenter - drawing studio layout */

:root {
    --panel-background: #f4f4f4;
    --border-color: #d0d0d0;
    --accent-color: #1b6ec2;
}

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    height: 100%;
    margin: 0;
    background: #ffffff;
}

.app-shell {
    display: flex;
    flex-direction: column;
    max-width: 1920px;
    max-height: 1080px;
    margin: 0 auto;
    height: 100vh;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: #222;
    color: #fff;
}

.app-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.language-switch {
    display: flex;
    gap: 0.25rem;
}

.lang-button {
    padding: 0.25rem 0.75rem;
    border: 1px solid #666;
    background: transparent;
    color: #fff;
    cursor: pointer;
    border-radius: 4px;
}

.lang-button.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.app-body {
    flex: 1;
    overflow: auto;
    padding: 1.5rem;
}

.studio-layout {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
}

.board-panel {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-line {
    font-size: 1.1rem;
    font-weight: 600;
}

.board-svg {
    width: min(70vh, 640px);
    height: min(70vh, 640px);
    border: 2px solid #333;
    touch-action: none;
    user-select: none;
}

.board-coord {
    font-size: 11px;
    font-weight: 600;
    fill: #333;
    pointer-events: none;
    user-select: none;
}

.selected-square {
    fill: rgba(255, 215, 0, 0.55);
}

.move-marker {
    fill: rgba(0, 0, 0, 0.35);
}

.capture-marker {
    fill: none;
    stroke: rgba(0, 0, 0, 0.35);
    stroke-width: 6;
}

.piece-cell {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    line-height: 1;
}

.piece-white {
    color: #ffffff;
    text-shadow: -1px 0 #222, 0 1px #222, 1px 0 #222, 0 -1px #222;
}

.piece-black {
    color: #111111;
    text-shadow: -1px 0 #eee, 0 1px #eee, 1px 0 #eee, 0 -1px #eee;
}

.annotation-caption {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
}

.tool-panel {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    width: 260px;
    padding: 1rem;
    background: var(--panel-background);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.tool-section h2 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin: 0 0 0.5rem 0;
    color: #444;
}

.toggle-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.6rem;
}

.toggle-caption {
    font-size: 0.8rem;
    color: #444;
}

.button-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.button-column {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.piece-palette {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 0.6rem;
}

.piece-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.35rem;
}

.piece-button {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    line-height: 1;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
}

.piece-button-white {
    color: #ffffff;
    text-shadow: -1px 0 #222, 0 1px #222, 1px 0 #222, 0 -1px #222;
}

.piece-button-black {
    color: #111111;
}

.piece-button.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-color);
}

.tool-button {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
}

.tool-button.active {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.color-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
}

.color-swatch.active {
    border-color: #222;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.label-input {
    margin-top: 0.4rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}