@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&family=Inter:wght@300;400;500;600;700;800&family=Bebas+Neue&display=swap');

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

:root {
  --bg:        #000000;
  --sidebar:   #090909;
  --panel:     #0d0d0d;
  --card:      #121212;
  --border:    #1f1f1f;
  --border-hi: #333333;
  --text:      #ffffff;
  --muted:     #888888;
  --dim:       #444444;
  --accent:    #ffffff;
  --font-ui:   'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --sidebar-w: 340px;
}

html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--font-ui); font-size: 13px; overflow: hidden; -webkit-font-smoothing: antialiased; }

#app { display: flex; height: 100vh; }

/* ── SIDEBAR ── */
#sidebar {
  width: var(--sidebar-w); min-width: 260px;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
  flex-shrink: 0;
}
#sidebar::-webkit-scrollbar { width: 2px; }
#sidebar::-webkit-scrollbar-thumb { background: #333; }

.logo {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.logo-title { font-size: 0.95rem; font-weight: 900; letter-spacing: 0.3em; color: #fff; }

.sidebar-section {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 0.8rem;
}

.section-header { display: flex; align-items: center; justify-content: space-between; }
.section-label { font-size: 0.55rem; letter-spacing: 0.2em; color: var(--dim); font-weight: 800; text-transform: uppercase; }

.btn-icon {
  width: 20px; height: 20px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); border-radius: 2px;
  cursor: pointer; font-size: 12px; transition: all 0.1s;
}
.btn-icon:hover { border-color: var(--text); color: var(--text); }

/* ── RESIZER ── */
#resizer {
  width: 2px; flex-shrink: 0; cursor: col-resize;
  background: var(--border); transition: background 0.2s;
}
#resizer:hover, #resizer.dragging { background: var(--border-hi); }

/* ── PHRASE ITEMS ── */
.phrase-item {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.6rem;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.phrase-item:focus-within { border-color: var(--border-hi); }

.ph-row1 { display: flex; align-items: center; gap: 0.5rem; }
.ph-idx { font-size: 0.65rem; font-weight: 800; color: var(--dim); min-width: 1rem; font-family: var(--font-mono); }
.ph-text {
  flex: 1; background: transparent; border: none; color: var(--text);
  font-family: inherit; font-size: 1.1rem; font-weight: 700; outline: none; padding: 0.2rem 0;
}
.ph-text::placeholder { color: var(--dim); }
.ph-lucky { background: none; border: none; color: var(--dim); cursor: pointer; font-size: 14px; padding: 4px; border-radius: 4px; }
.ph-lucky:hover { color: var(--text); background: #222; }
.ph-del {
  width: 20px; height: 20px; background: none; border: none;
  color: var(--dim); cursor: pointer; font-size: 10px; border-radius: 2px;
}
.ph-del:hover { background: #200; color: #f44; }

.ph-row2, .ph-row3 { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.ph-group { display: flex; align-items: center; gap: 0.4rem; }
.ph-label { font-size: 0.6rem; font-weight: 800; color: var(--dim); letter-spacing: 0.1em; text-transform: uppercase; }
.ph-row2 select, .ph-row3 select {
  background: #000; border: 1px solid var(--border); color: var(--muted);
  font-size: 0.7rem; padding: 0.2rem 1.4rem 0.2rem 0.4rem; border-radius: 2px;
  appearance: none; cursor: pointer;
}
.ph-row2 select:focus, .ph-row3 select:focus { border-color: var(--border-hi); color: #fff; }
.ph-dir-toggle { color: var(--muted); }
.ph-dir-toggle:hover { color: #fff; border-color: #fff; }
.ph-color { width: 22px; height: 22px; border: 1px solid var(--border); background: none; cursor: pointer; border-radius: 2px; padding: 1px; }

/* ── STYLE ── */
#styleGrid { display: flex; flex-direction: column; gap: 0.4rem; }
.btn-lucky {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  padding: 0.6rem; border-radius: 4px; cursor: pointer;
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase;
}
.btn-lucky:hover { border-color: #fff; color: #fff; }

/* ── SETTINGS ── */
.setting-row { display: flex; align-items: center; gap: 0.8rem; font-size: 0.7rem; color: var(--muted); }
.setting-row label { flex-shrink: 0; min-width: 70px; text-transform: uppercase; font-weight: 800; color: var(--dim); }
.setting-row select {
  flex: 1; background: #000; border: 1px solid var(--border);
  color: var(--muted); border-radius: 2px; padding: 0.3rem 0.5rem;
}
.setting-row input[type="color"] { width: 34px; height: 26px; border: 1px solid var(--border); background: none; cursor: pointer; }

/* ── EXPORT ── */
.btn-export {
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted); padding: 0.7rem; border-radius: 4px;
  cursor: pointer; font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.1em; transition: all 0.1s;
}
.btn-export:hover { border-color: #555; color: #fff; background: #1a1a1a; }
.btn-export-mp4 { background: #fff; color: #000; border-color: #fff; }
.btn-export-mp4:hover { background: #ccc; border-color: #ccc; color: #000; }

.export-progress { margin-top: 0.6rem; }
.progress-bar { height: 2px; background: #111; overflow: hidden; }
#progressFill { height: 100%; background: #fff; width: 0%; }
#progressText { font-size: 0.55rem; color: var(--dim); font-family: var(--font-mono); display: block; margin-top: 0.4rem; text-transform: uppercase; }
.hidden { display: none !important; }

/* ── MAIN AREA ── */
#mainArea { flex: 1; display: flex; flex-direction: column; background: #050505; overflow: hidden; }
#canvasWrapper {
  flex: 1; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  /* Checkerboard for transparency indication */
  background-image: 
    linear-gradient(45deg, #0a0a0a 25%, transparent 25%), 
    linear-gradient(-45deg, #0a0a0a 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #0a0a0a 75%),
    linear-gradient(-45deg, transparent 75%, #0a0a0a 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}
#mainCanvas { position: absolute; transform-origin: center center; }

/* ── PLAYBACK CONTROLS ── */
#playbackControls {
  height: 54px; background: #000;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.5rem; flex-shrink: 0;
}
.ctrl-btn {
  width: 32px; height: 32px; background: transparent; border: 1px solid var(--border);
  color: var(--muted); cursor: pointer; font-size: 0.8rem;
  display: flex; align-items: center; justify-content: center; transition: all 0.1s;
}
.ctrl-btn:hover { border-color: #fff; color: #fff; }
.ctrl-play { background: #fff; color: #000; border-color: #fff; border-radius: 4px; }
.ctrl-play.playing { background: #222; color: #fff; border-color: #333; }

#timelineBar { flex: 1; height: 4px; background: #111; overflow: hidden; cursor: pointer; }
#timelineFill { height: 100%; background: #fff; width: 0%; }
#timeDisplay { font-family: var(--font-mono); font-size: 0.6rem; color: var(--dim); flex-shrink: 0; letter-spacing: 0.05em; }