/* Corelyn Tools — SVG Painter */

:root {
    --bg-base: #0d1925;
    --bg-panel: rgba(255, 255, 255, 0.04);
    --bg-input: rgba(8, 14, 22, 0.65);
    --border-subtle: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(79, 140, 255, 0.28);
    --text-primary: #f4f7fb;
    --text-secondary: rgba(244, 247, 251, 0.72);
    --text-muted: rgba(244, 247, 251, 0.52);
    --accent-blue: #4f8cff;
    --accent-violet: #8b6cff;
    --accent-green: #7dffb2;
    --radius-md: 14px;
    --radius-sm: 8px;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    -webkit-text-size-adjust: 100%;
    height: 100%;
}

body {
    margin: 0;
    height: 100%;
    min-height: 100svh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-primary);
    background:
        radial-gradient(ellipse 70% 45% at 50% -5%, rgba(79, 140, 255, 0.12), transparent 60%),
        radial-gradient(ellipse 50% 35% at 90% 100%, rgba(139, 108, 255, 0.08), transparent 55%),
        var(--bg-base);
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}

.sp-app {
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    overflow: hidden;
}

/* Topbar */

.sp-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;
    min-height: 64px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(13, 25, 37, 0.92);
}

.sp-topbar__brand {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.5rem 0.75rem;
}

.sp-topbar__suite {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.sp-topbar__tool {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sp-topbar__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-end;
}

.sp-topbar__back {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out);
}

.sp-topbar__back:hover {
    background: var(--bg-panel);
    color: var(--text-primary);
}

/* Buttons */

.sp-btn {
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 120ms var(--ease-out), background-color 160ms var(--ease-out), border-color 160ms var(--ease-out), opacity 160ms var(--ease-out);
}

.sp-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.sp-btn--primary {
    background: var(--accent-blue);
    color: #06111d;
}

.sp-btn--primary:hover:not(:disabled) {
    transform: translateY(-1px);
    background: #6ba0ff;
}

.sp-btn--ghost {
    background: var(--bg-panel);
    border-color: var(--border-subtle);
    color: var(--text-primary);
}

.sp-btn--ghost:hover:not(:disabled) {
    border-color: var(--border-accent);
    background: rgba(79, 140, 255, 0.1);
}

/* Editor layout */

.sp-editor {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr) 320px;
    min-height: 0;
    overflow: hidden;
}

/* Left toolbar */

.sp-toolbar {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 14px 8px;
    border-right: 1px solid var(--border-subtle);
    background: rgba(13, 25, 37, 0.6);
    overflow-y: auto;
}

.sp-tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    padding: 10px 4px;
    cursor: pointer;
    font: inherit;
    transition: background-color 140ms var(--ease-out), border-color 140ms var(--ease-out), color 140ms var(--ease-out);
}

.sp-tool-btn__icon {
    font-size: 1.2rem;
    line-height: 1;
}

.sp-tool-btn__label {
    font-size: 0.62rem;
    letter-spacing: 0.02em;
    text-align: center;
}

.sp-tool-btn:hover {
    background: var(--bg-panel);
    color: var(--text-primary);
}

.sp-tool-btn.is-active {
    background: rgba(79, 140, 255, 0.16);
    border-color: var(--border-accent);
    color: var(--text-primary);
}

/* Workspace */

.sp-workspace {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 14px 18px;
    overflow: auto;
    align-items: center;
}

.sp-privacy {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0 0 10px;
    align-self: flex-start;
}

.sp-stage-card {
    background: rgba(8, 14, 22, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px;
    display: inline-flex;
}

.sp-canvas-wrap {
    position: relative;
    line-height: 0;
}

.sp-canvas {
    display: block;
    max-width: 72vw;
    max-height: 62vh;
    width: auto;
    height: auto;
    background: repeating-conic-gradient(#e9edf1 0% 25%, #f7f9fb 0% 50%) 0 0 / 20px 20px;
    border-radius: var(--radius-sm);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    touch-action: none;
    cursor: crosshair;
}

.sp-canvas.sp-tool-select {
    cursor: default;
}

.sp-canvas.sp-tool-eraser {
    cursor: not-allowed;
}

.sp-shape {
    vector-effect: non-scaling-stroke;
}

.sp-shape.is-selected {
    outline: 2px dashed var(--accent-blue);
    outline-offset: 2px;
}

.sp-trace-live-preview {
    pointer-events: none;
    opacity: 0.92;
}

.sp-workspace-status {
    margin-top: 10px;
    align-self: flex-start;
}

.sp-status {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
}

/* Right properties panel */

.sp-properties {
    border-left: 1px solid var(--border-subtle);
    background: rgba(13, 25, 37, 0.6);
    overflow-y: auto;
    padding: 10px;
}

.sp-accordion {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    background: var(--bg-panel);
    overflow: hidden;
}

.sp-accordion__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    list-style: none;
}

.sp-accordion__summary::-webkit-details-marker {
    display: none;
}

.sp-accordion__chevron {
    color: var(--text-muted);
    transition: transform 160ms var(--ease-out);
}

.sp-accordion[open] .sp-accordion__chevron {
    transform: rotate(180deg);
}

.sp-accordion__body {
    padding: 4px 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sp-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.sp-field input[type="color"] {
    width: 100%;
    height: 34px;
    padding: 2px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    background: var(--bg-input);
    cursor: pointer;
}

.sp-field input[type="number"],
.sp-field input[type="text"] {
    font: inherit;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 7px 9px;
}

.sp-field input[type="range"] {
    width: 100%;
}

.sp-field--check {
    flex-direction: row;
    align-items: center;
}

.sp-field--check label {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sp-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.sp-field-hint {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin: 0;
}

.sp-trace-preview {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 6px;
    background: repeating-conic-gradient(#e9edf1 0% 25%, #f7f9fb 0% 50%) 0 0 / 16px 16px;
    display: flex;
    justify-content: center;
}

.sp-trace-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

/* Toast */

.sp-toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translate(-50%, 12px);
    background: rgba(13, 25, 37, 0.95);
    border: 1px solid var(--border-accent);
    color: var(--text-primary);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    opacity: 0;
    transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
    z-index: 40;
}

.sp-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

@media (max-width: 960px) {
    .sp-editor {
        grid-template-columns: 64px minmax(0, 1fr);
    }

    .sp-properties {
        display: none;
    }
}