/* ===== IMAGE TO SKETCH ===== */
:root {
    --its-bg:      #0d0d0d;
    --its-surface: #161616;
    --its-card:    #1e1e1e;
    --its-border:  #2a2a2a;
    --its-accent:  #6366f1;
    --its-text:    #e5e5e5;
    --its-muted:   #666;
    --its-green:   #10b981;
    --its-red:     #ef4444;
    --its-blue:    #38bdf8;
}

/* Header */
.its-header { background: linear-gradient(135deg, #0d0d0d 0%, #1e1b4b 50%, #0d0d0d 100%) !important; }

/* Wrap */
.its-wrap { display: grid; grid-template-columns: 320px 1fr; gap: 0; background: var(--its-bg); border-radius: 20px; overflow: hidden; border: 1px solid var(--its-border); min-height: 700px; margin-bottom: 28px; }

/* ── LEFT CONTROLS ── */
.its-controls { border-right: 1px solid var(--its-border); overflow-y: auto; background: var(--its-surface); scrollbar-width: thin; scrollbar-color: var(--its-border) var(--its-surface); }
.its-controls::-webkit-scrollbar { width: 4px; }
.its-controls::-webkit-scrollbar-thumb { background: var(--its-border); border-radius: 2px; }

.its-section { padding: 14px 16px; border-bottom: 1px solid var(--its-border); }
.its-sec-title { font-size: .72rem; font-weight: 700; color: var(--its-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }

/* Upload zone */
.its-upload-section { padding: 14px 16px; border-bottom: 1px solid var(--its-border); }
.its-upload-zone { background: var(--its-card); border: 2px dashed var(--its-border); border-radius: 14px; cursor: pointer; transition: all .2s; overflow: hidden; }
.its-upload-zone:hover { border-color: var(--its-accent); background: rgba(99,102,241,.06); }
.its-upload-zone.dragover { border-color: var(--its-accent); background: rgba(99,102,241,.1); }
.its-upload-content { padding: 24px 16px; text-align: center; }
.its-upload-icon  { font-size: 2.2rem; margin-bottom: 8px; }
.its-upload-title { font-size: .95rem; font-weight: 700; color: var(--its-text); margin-bottom: 4px; }
.its-upload-sub   { font-size: .74rem; color: var(--its-muted); }
.its-uploaded-preview { padding: 10px; display: flex; align-items: center; gap: 10px; }
.its-uploaded-preview img { width: 60px; height: 60px; object-fit: cover; border-radius: 8px; border: 1px solid var(--its-border); }
.its-thumb-name { font-size: .78rem; color: var(--its-text); font-weight: 500; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 140px; }
.its-change-btn { background: var(--its-card); border: 1px solid var(--its-border); border-radius: 6px; padding: 4px 10px; font-size: .72rem; color: var(--its-muted); cursor: pointer; }
.its-change-btn:hover { border-color: var(--its-accent); color: var(--its-accent); }

/* Style grid */
.its-style-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.its-style-btn { background: var(--its-card); border: 1.5px solid var(--its-border); border-radius: 10px; padding: 10px 4px; cursor: pointer; transition: all .2s; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.its-style-btn:hover { border-color: var(--its-accent); }
.its-style-btn.active { background: rgba(99,102,241,.15); border-color: var(--its-accent); box-shadow: 0 0 12px rgba(99,102,241,.3); }
.its-sb-icon { font-size: 1.2rem; }
.its-sb-name { font-size: .62rem; color: var(--its-muted); font-weight: 600; }
.its-style-btn.active .its-sb-name { color: var(--its-accent); }

/* Controls */
.its-ctrl { margin-bottom: 12px; }
.its-ctrl:last-child { margin-bottom: 0; }
.its-ctrl-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; font-size: .78rem; color: var(--its-muted); }
.its-ctrl-row span { color: var(--its-text); font-weight: 600; }
.its-ctrl input[type="range"] { width: 100%; accent-color: var(--its-accent); }

/* Background buttons */
.its-bg-grid { display: flex; gap: 6px; }
.its-bg-btn { flex: 1; background: var(--its-card); border: 1.5px solid var(--its-border); border-radius: 8px; padding: 7px 4px; font-size: .72rem; font-weight: 600; color: var(--its-muted); cursor: pointer; transition: all .2s; }
.its-bg-btn.active { border-color: var(--its-accent); color: var(--its-accent); background: rgba(99,102,241,.1); }

/* Action buttons */
.its-convert-btn { width: 100%; background: linear-gradient(135deg, var(--its-accent), #8b5cf6); color: #fff; border: none; border-radius: 12px; padding: 14px; font-size: 1rem; font-weight: 700; cursor: pointer; transition: all .3s; box-shadow: 0 4px 20px rgba(99,102,241,.4); display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 8px; }
.its-convert-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(99,102,241,.55); }
.its-convert-btn:disabled { opacity: .45; cursor: not-allowed; }
.its-reset-btn { width: 100%; background: var(--its-card); border: 1px solid var(--its-border); border-radius: 10px; padding: 9px; font-size: .82rem; color: var(--its-muted); cursor: pointer; transition: all .2s; }
.its-reset-btn:hover { border-color: var(--its-border); color: var(--its-text); }

/* ── RIGHT PREVIEW ── */
.its-preview-area { display: flex; flex-direction: column; background: var(--its-bg); }

/* Placeholder */
.its-placeholder { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 30px; text-align: center; gap: 16px; }
.its-ph-icon { font-size: 64px; animation: itsFloat 3s ease-in-out infinite; }
@keyframes itsFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.its-placeholder h3 { font-size: 1.3rem; font-weight: 800; color: var(--its-text); margin: 0; }
.its-placeholder p { font-size: .88rem; color: var(--its-muted); max-width: 360px; line-height: 1.6; margin: 0; }
.its-ph-examples { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.its-ph-ex { background: var(--its-card); border: 1px solid var(--its-border); border-radius: 20px; padding: 6px 14px; font-size: .8rem; color: var(--its-muted); }

/* Processing */
.its-processing { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 40px; text-align: center; }
.its-proc-icon { font-size: 3rem; animation: itsSpin 2s linear infinite; }
@keyframes itsSpin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
.its-proc-title { font-size: 1.1rem; font-weight: 700; color: var(--its-text); }
.its-proc-bar { width: 200px; height: 6px; background: var(--its-card); border-radius: 20px; overflow: hidden; }
.its-proc-fill { height: 100%; background: linear-gradient(90deg, var(--its-accent), #8b5cf6); border-radius: 20px; width: 0; transition: width .3s; }
.its-proc-sub { font-size: .8rem; color: var(--its-muted); }

/* Result */
.its-result { flex: 1; display: flex; flex-direction: column; }
.its-result-header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--its-border); flex-wrap: wrap; gap: 8px; background: var(--its-surface); }
.its-view-tabs { display: flex; gap: 0; border: 1px solid var(--its-border); border-radius: 8px; overflow: hidden; }
.its-view-btn { background: var(--its-card); border: none; padding: 7px 14px; font-size: .78rem; font-weight: 600; color: var(--its-muted); cursor: pointer; transition: all .2s; border-right: 1px solid var(--its-border); }
.its-view-btn:last-child { border-right: none; }
.its-view-btn.active { background: var(--its-accent); color: #fff; }
.its-result-actions { display: flex; gap: 8px; }
.its-download-btn { background: var(--its-accent); color: #fff; border: none; border-radius: 8px; padding: 7px 16px; font-size: .8rem; font-weight: 700; cursor: pointer; transition: all .2s; }
.its-download-btn:hover { background: #4f46e5; }
.its-copy-btn { background: var(--its-card); border: 1px solid var(--its-border); border-radius: 8px; padding: 7px 14px; font-size: .8rem; font-weight: 600; color: var(--its-text); cursor: pointer; }
.its-copy-btn:hover { border-color: var(--its-accent); }

/* Canvas wrap */
.its-canvas-wrap { flex: 1; position: relative; display: flex; align-items: center; justify-content: center; background: var(--its-bg); overflow: hidden; min-height: 400px; padding: 16px; }
.its-output-canvas { max-width: 100%; max-height: 560px; border-radius: 8px; box-shadow: 0 8px 40px rgba(0,0,0,.5); display: block; }
.its-source-canvas { max-width: 100%; max-height: 560px; border-radius: 8px; display: block; }

/* Split view */
.its-split-slider { position: absolute; inset: 0; display: flex; align-items: center; pointer-events: none; }
.its-split-slider input[type="range"] { position: absolute; width: 100%; pointer-events: all; accent-color: #fff; opacity: .8; }

/* Info bar */
.its-info-bar { display: flex; gap: 8px; align-items: center; padding: 8px 16px; background: var(--its-surface); border-top: 1px solid var(--its-border); font-size: .74rem; color: var(--its-muted); }
.its-info-sep { opacity: .3; }
.its-info-private { color: var(--its-green); }

/* Responsive */
@media (max-width: 900px) { .its-wrap { grid-template-columns: 1fr; } .its-controls { border-right: none; border-bottom: 1px solid var(--its-border); } }
@media (max-width: 480px) { .its-style-grid { grid-template-columns: repeat(4, 1fr); } .its-bg-grid { flex-wrap: wrap; } }