@import url('variables.css');

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

html, body {
    width: 100%; height: 100%;
    overflow: hidden;
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-primary);
    user-select: none;
}

/* ─── App Layout ─── */
#app {
    display: grid;
    grid-template-rows: var(--topbar-height) 32px 1fr var(--timeline-height);
    grid-template-columns: var(--toolbar-width) 1fr var(--panel-width);
    grid-template-areas:
        "topbar topbar topbar"
        "toolbar toolsettings toolsettings"
        "toolbar canvas panel"
        "timeline timeline timeline";
    width: 100%; height: 100vh;
}

/* ─── Topbar ─── */
#topbar {
    grid-area: topbar;
    display: flex;
    align-items: center;
    padding: 0 12px;
    background: linear-gradient(180deg, #1c2748 0%, var(--bg-secondary) 100%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 1px 0 var(--border);
    gap: 8px;
    z-index: 100;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-logo-img {
    border-radius: 6px;
    flex-shrink: 0;
    opacity: 0.88;
    background-color: #ffffff;
}

#topbar .logo {
    font-weight: 700;
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 1.5px;
}

.topbar-sep {
    width: 1px;
    height: 18px;
    background: var(--border);
    flex-shrink: 0;
    margin: 0 2px;
}

#topbar .menu-group {
    display: flex; gap: 2px;
}

#topbar .spacer { flex: 1; }

#topbar .btn.sm {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
    padding: 4px 8px;
    gap: 5px;
}

#topbar .btn.sm:hover {
    background: rgba(255,255,255,0.07);
    border-color: var(--border-light);
    color: var(--text-primary);
}

/* ─── Toolbar (left sidebar) ─── */
#toolbar {
    grid-area: toolbar;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 0;
    gap: 2px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    z-index: 90;
}

/* ─── Tool Settings Bar ─── */
#tool-settings-bar {
    grid-area: toolsettings;
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    border-left: 1px solid var(--border);
    font-size: 11px;
    min-height: 32px;
    overflow-x: auto;
}
#tool-settings-bar label {
    color: var(--text-muted);
    font-size: 10px;
    min-width: auto;
    white-space: nowrap;
}
#tool-settings-bar input[type="range"] { width: 80px; }
#tool-settings-bar select {
    font-size: 11px;
    padding: 2px 4px;
}
.tool-setting-group {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.tool-btn {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border: none; background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 16px;
    transition: all var(--transition-fast);
}
.tool-btn:hover { background: var(--bg-panel-hover); color: var(--text-primary); }
.tool-btn.active { background: var(--accent-dim); color: var(--accent); }
.tool-btn:disabled { opacity: 0.35; cursor: not-allowed; pointer-events: none; }

.tool-divider {
    width: 28px; height: 1px;
    background: var(--border);
    margin: 4px 0;
}

/* ─── Canvas Workspace ─── */
#workspace {
    grid-area: canvas;
    position: relative;
    overflow: hidden;
    background: var(--bg-canvas);
    /* Centering handled by JS fitCanvasToViewport() via translate */
}

#canvasContainer {
    position: absolute;
    top: 0;
    left: 0;
    box-shadow: var(--shadow-lg);
    transform-origin: 0 0;
}

#canvasContainer canvas {
    position: absolute;
    top: 0; left: 0;
}

/* ─── Right Panel ─── */
#panel {
    grid-area: panel;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    overflow-y: auto;
    z-index: 90;
}

.panel-section {
    border-bottom: 1px solid var(--border);
    padding: 10px 12px;
}

.panel-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* ─── Timeline ─── */
#timeline {
    grid-area: timeline;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 90;
}

#timeline-controls {
    display: flex;
    align-items: center;
    padding: 4px 12px;
    gap: 6px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    height: 36px;
}

#frame-strip {
    flex: 1;
    display: flex;
    align-items: stretch;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px 12px;
    gap: 8px;
}

/* Frame thumbnails */
.frame-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 100px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    position: relative;
    transition: border-color var(--transition-fast);
    display: flex;
    flex-direction: column;
}
.frame-thumb:hover { border-color: var(--border-light); }
.frame-thumb.active { border-color: var(--accent); }

.frame-thumb canvas {
    flex: 1;
    width: 100%;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.frame-thumb .frame-label {
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    padding: 2px 0;
    background: var(--bg-panel);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 5px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-panel);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 12px;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.btn:hover { background: var(--bg-panel-hover); border-color: var(--border-light); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.sm { padding: 3px 6px; font-size: 11px; }
.btn.icon-btn { padding: 4px 6px; min-width: 28px; }

/* ─── Inputs ─── */
input[type="text"], input[type="number"], select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 4px 8px;
    font-size: 12px;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color var(--transition-fast);
}
input:focus, select:focus { border-color: var(--accent); }

input[type="range"] {
    -webkit-appearance: none;
    height: 4px;
    background: var(--bg-input);
    border-radius: 2px;
    outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
}

input[type="color"] {
    -webkit-appearance: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    width: 28px; height: 28px;
    padding: 2px;
    cursor: pointer;
    background: transparent;
}

/* ─── Property rows ─── */
.prop-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}
.prop-row label {
    font-size: 11px;
    color: var(--text-secondary);
    min-width: 60px;
}
.prop-row input, .prop-row select {
    flex: 1;
    min-width: 0;
}

/* ─── Layers ─── */
.layer-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}
.layer-item:hover { background: var(--bg-panel-hover); }
.layer-item.active { background: var(--accent-dim); }
.layer-item .layer-name { flex: 1; font-size: 12px; }
.layer-item .layer-icon { color: var(--text-muted); font-size: 14px; cursor: pointer; }
.layer-item .layer-icon:hover { color: var(--text-primary); }

/* ─── Tooltips ─── */
[data-tooltip] { position: relative; }
[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 11px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
    box-shadow: var(--shadow-sm);
}

/* Confirmation tooltip (overrides data-tooltip when armed) */
[data-confirm]::after {
    content: attr(data-confirm) !important;
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: var(--error) !important;
    color: #fff !important;
    font-size: 11px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
    box-shadow: var(--shadow-sm);
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ─── Toast notifications ─── */
#toast-container {
    position: fixed;
    top: 52px; right: 12px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: none;
}

.toast {
    padding: 8px 14px;
    border-radius: var(--radius-md);
    font-size: 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    pointer-events: auto;
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--error); color: var(--error); }
.toast.info { border-color: var(--info); color: var(--info); }

@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateX(20px); } }

/* ─── Modal ─── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9000;
    animation: fadeIn 0.2s ease;
}
.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 400px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    animation: scaleIn 0.2s ease;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 14px; font-weight: 600; }
.modal-body { padding: 16px; }
.modal-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* ─── Entity library grid ─── */
.entity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
}
.entity-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-panel);
    position: relative;
}
.entity-card:hover { border-color: var(--accent); background: var(--accent-dim); }
.entity-card canvas { width: 60px; height: 60px; }
.entity-card .name { font-size: 10px; color: var(--text-secondary); margin-top: 4px; }
.entity-card .delete-btn {
    position: absolute;
    top: 4px; right: 4px;
    width: 18px; height: 18px;
    padding: 0;
    font-size: 10px; line-height: 1;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.entity-card:hover .delete-btn { opacity: 1; }
.entity-card .delete-btn:hover { color: #e55; border-color: #e55; }

/* ─── Onion skin toggle ─── */
.toggle-switch {
    position: relative;
    width: 32px; height: 18px;
    background: var(--bg-input);
    border-radius: 9px;
    cursor: pointer;
    transition: background var(--transition-fast);
}
.toggle-switch.on { background: var(--accent); }
.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px; left: 2px;
    width: 14px; height: 14px;
    background: var(--text-primary);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}
.toggle-switch.on::after { transform: translateX(14px); }

/* ─── SVG icon alignment ─── */
.tool-btn svg, .icon-btn svg {
    display: block;
    pointer-events: none;
}

/* ─── Action Presets Grid ─── */
.action-presets-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}
.action-preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 8px 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-panel);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 11px;
}
.action-preset-btn:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--text-primary);
}
.action-preset-btn .action-icon {
    font-size: 20px;
    line-height: 1;
}
.action-preset-btn .action-label {
    font-weight: 600;
}
.action-preset-btn .action-frames {
    font-size: 9px;
    color: var(--text-muted);
}

/* ─── Effects Panel ─── */
.effects-library {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 6px 0;
}
.fx-library-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-panel);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    transition: all var(--transition-fast);
}
.fx-library-item:hover {
    border-color: var(--info);
    background: rgba(92, 157, 237, 0.15);
    color: var(--text-primary);
}
.fx-active-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    margin-bottom: 4px;
    font-size: 11px;
}
.fx-active-row .fx-icon { font-size: 14px; }
.fx-active-row .fx-name { flex: 1; color: var(--text-primary); }
.fx-active-row .fx-remove-btn {
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 0 2px;
}
.fx-active-row .fx-remove-btn:hover { opacity: 0.7; }

/* ─── Audio Track ─── */
#audio-track {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    min-height: 42px;
    overflow-x: auto;
    overflow-y: hidden;
}
.audio-track-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-panel);
}
.audio-track-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}
.audio-track-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}
.audio-track-controls .btn {
    font-size: 10px;
    padding: 2px 6px;
}
.audio-mute-btn.muted {
    opacity: 0.5;
}
.audio-volume-slider {
    height: 3px !important;
}
.audio-track-timeline {
    display: flex;
    align-items: stretch;
    min-height: 28px;
    padding: 2px 0;
    overflow-x: auto;
}
.audio-frame-slot {
    flex-shrink: 0;
    min-height: 24px;
    border-right: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 2px;
    gap: 2px;
}
.audio-frame-slot.drag-over {
    background: var(--accent-dim);
}
.audio-marker-chip {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 2px 6px;
    background: rgba(92, 157, 237, 0.2);
    border: 1px solid var(--info);
    border-radius: 10px;
    font-size: 10px;
    color: var(--info);
    cursor: grab;
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
}
.audio-marker-chip.muted {
    opacity: 0.4;
    border-style: dashed;
}
.audio-marker-chip .marker-icon { font-size: 11px; }
.audio-marker-chip .marker-name {
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70px;
}
.audio-marker-chip .marker-remove {
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 0;
    margin-left: 2px;
}

/* ─── Pose Panel ─── */
.pose-panel-inner {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pose-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

.pose-header .panel-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.pose-header-actions {
    display: flex;
    gap: 4px;
}

.pose-save-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.pose-name-input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 12px;
    padding: 4px 8px;
    height: 28px;
    outline: none;
    min-width: 0;
}
.pose-name-input:focus {
    border-color: var(--accent);
}

.pose-entity-label {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: -4px;
}

.pose-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 280px;
    overflow-y: auto;
}

.pose-empty {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    padding: 16px 0;
}

.pose-item {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 8px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    transition: border-color var(--transition-fast);
}
.pose-item:hover {
    border-color: var(--border-light);
}

.pose-item-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pose-item-meta {
    font-size: 10px;
    color: var(--text-muted);
}

.pose-item-actions {
    display: flex;
    gap: 4px;
    margin-top: 2px;
}

.pose-count {
    font-size: 10px;
    color: var(--text-muted);
    text-align: right;
}

/* Button variants */
.btn.accent {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn.accent:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}
.btn.accent:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.btn.xs {
    font-size: 10px;
    padding: 2px 6px;
    height: 22px;
    border-radius: var(--radius-sm);
}
.btn.danger {
    color: var(--error);
    border-color: transparent;
}
.btn.danger:hover {
    background: rgba(233,69,96,0.12);
    border-color: var(--error);
}
.audio-marker-chip .marker-remove:hover { opacity: 0.7; }