#canvasModule { padding: 16px; }
#canvasModule [hidden] { display: none !important; }
.canvas-workspace { display: flex; flex-direction: column; min-height: 620px; height: calc(100dvh - 112px); background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: 0 8px 28px rgba(31,42,68,.06); }
.canvas-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 24px; border-bottom: 1px solid var(--line); background: #fff; }
.canvas-heading h1 { margin: 3px 0 0; font-size: 22px; color: var(--ink); }
.canvas-eyebrow { color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.canvas-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.canvas-actions button, .canvas-open { min-height: 36px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: #344054; font: inherit; font-size: 12px; text-decoration: none; cursor: pointer; }
.canvas-actions button:hover, .canvas-open:hover { background: var(--soft-blue); border-color: #abc8ef; }
.canvas-actions button:disabled { opacity: .5; cursor: wait; }
.canvas-actions button:focus-visible, .canvas-open:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.canvas-status { color: var(--muted); font-size: 12px; }
.canvas-status::before { content: ''; display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: #94a3b8; }
.canvas-stage { position: relative; flex: 1; min-height: 0; background-color: #f8fafc; background-image: radial-gradient(#cbd5e1 .8px, transparent .8px); background-size: 22px 22px; }
.canvas-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 32px; text-align: center; }
.canvas-placeholder h2 { margin: 12px 0; font-size: 27px; color: #25364a; }
.canvas-placeholder p { max-width: 440px; margin: 0; font-size: 14px; color: var(--muted); line-height: 1.8; }
.canvas-empty-icon { width: 84px; height: 84px; display: grid; place-items: center; margin-bottom: 26px; background: #fff; border: 1px solid #dae4f0; border-radius: 23px; box-shadow: 0 8px 28px #dce6f066; transform: rotate(-5deg); }
.canvas-empty-icon svg { width: 55px; fill: #edf4ff; stroke: #4d77b5; stroke-width: 2; }
.canvas-use-cases { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; justify-content: center; }
.canvas-use-cases span { padding: 7px 12px; border: 1px solid #e1e8f0; border-radius: 20px; color: #66788d; background: #ffffffcf; font-size: 12px; }
.canvas-frame { width: 100%; height: 100%; position: absolute; inset: 0; border: 0; background: #fff; }
.canvas-footer { display: flex; justify-content: space-between; gap: 12px; padding: 10px 20px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); background: #fff; }
.canvas-workspace:fullscreen { width: 100%; height: 100dvh; min-height: 0; border: 0; border-radius: 0; }
@media (max-width: 980px) { #canvasModule { padding: 10px; } .canvas-toolbar { align-items: flex-start; flex-direction: column; gap: 12px; padding: 16px; } .canvas-workspace { height: 80dvh; min-height: 560px; } .canvas-placeholder h2 { font-size: 23px; } .canvas-footer { flex-direction: column; gap: 4px; } }