/* ============================================================
   Resize Image — workspace (stage | control panel)
   Reuses theme tokens from style.css (--lime, --card, --bg, etc.)
   ============================================================ */
.rz-wrap { max-width: 760px; margin: 0 auto; padding: 56px 22px 90px; }
.rz-wrap.rz-wide { max-width: 1100px; }

.rz-head { text-align: center; margin-bottom: 30px; }
.rz-head .eyebrow { margin-bottom: 16px; }
.rz-head h1 { font-size: clamp(2.2rem, 6vw, 3.2rem); font-weight: 800; margin: 10px 0 8px; }
.rz-head p { color: var(--txt2); max-width: 580px; margin: 0 auto; }

.hidden { display: none !important; }

/* ---- STEP 1: upload ---- */
.rz-drop { position: relative; display: flex; flex-direction: column; align-items: center;
  text-align: center; cursor: pointer; padding: 48px 30px; border: 2px dashed var(--line2);
  border-radius: var(--r-lg); background: var(--card); transition: all .25s; max-width: 720px; margin: 0 auto; }
.rz-drop:hover, .rz-drop.drag { border-color: var(--lime); background: var(--surface); }
.rz-drop-ic { width: 60px; height: 60px; margin-bottom: 16px; border-radius: 18px; display: grid;
  place-items: center; background: var(--lime); color: #0a0b0d; transition: transform .25s; }
.rz-drop:hover .rz-drop-ic { transform: translateY(-4px); }
.rz-drop .t { font-size: 1.3rem; font-weight: 700; }
.rz-drop .s { color: var(--txt3); font-size: .78rem; margin-top: 6px; font-family: 'JetBrains Mono', monospace; }

/* ---- STEP 2: workspace shell ---- */
/* minmax(0,1fr) lets the stage column shrink; without it, a wide image forces
   overflow and the panel never gets a chance to wrap on small screens. */
.rz-shell { display: grid; grid-template-columns: minmax(0, 1fr) 320px; align-items: stretch;
  border: 1px solid var(--line2); border-radius: var(--r-lg); overflow: hidden;
  background: var(--bg); box-shadow: var(--shadow-lg);
  animation: rzFade .4s cubic-bezier(.22,1,.36,1) both; }
@keyframes rzFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* left: stage shows the image at its natural aspect ratio, centered */
.rz-main { display: flex; flex-direction: column; min-width: 0; }
.rz-stage-area { flex: 1; display: flex; flex-direction: column; min-width: 0; padding: 18px; background: var(--bg);
  background-image:
    linear-gradient(45deg, var(--surface) 25%, transparent 25%),
    linear-gradient(-45deg, var(--surface) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--surface) 75%),
    linear-gradient(-45deg, transparent 75%, var(--surface) 75%);
  background-size: 20px 20px; background-position: 0 0, 0 10px, 10px -10px, -10px 0; }
.rz-stage { position: relative; min-width: 0; flex: 1; display: flex; align-items: flex-start;
  justify-content: center; overflow: hidden; }
.rz-stage img { max-width: 100%; max-height: 62vh; width: auto; height: auto; display: block;
  border-radius: 6px; box-shadow: 0 8px 40px rgba(0,0,0,.45);
  transition: max-width .18s ease, max-height .18s ease; -webkit-user-drag: none; user-select: none; }

.rz-dim-badge { position: absolute; top: 10px; left: 10px; font-family: 'JetBrains Mono', monospace;
  font-size: .68rem; padding: 4px 8px; border-radius: 7px; background: rgba(8,10,14,.82);
  color: var(--lime); letter-spacing: .03em; backdrop-filter: blur(4px); pointer-events: none; }

.rz-stage-foot { display: flex; align-items: center; justify-content: center; gap: 9px; flex-wrap: wrap;
  padding: 12px; margin-top: 14px; font-family: 'JetBrains Mono', monospace; font-size: .72rem;
  color: var(--txt3); border-top: 1px solid var(--line2); }
.rz-foot-sep { opacity: .4; }

/* right: control panel */
.rz-panel { display: flex; flex-direction: column; min-width: 0; border-left: 1px solid var(--line2); background: var(--card); }
.rz-panel-scroll { flex: 1; overflow-y: auto; padding: 22px 20px; }

.rz-block { margin-bottom: 24px; }
.rz-block-label { display: flex; align-items: center; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace; font-size: .62rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--txt3); margin-bottom: 11px; }
.rz-block-val { color: var(--lime); font-size: .68rem; }

/* dimension inputs with lock */
.rz-dims { display: flex; align-items: flex-end; gap: 8px; }
.rz-dim-field { flex: 1; min-width: 0; }
.rz-dim-field label { display: block; font-size: .66rem; color: var(--txt3); margin-bottom: 5px; }
.rz-num { display: flex; align-items: center; background: var(--bg); border: 1.5px solid var(--line2);
  border-radius: 10px; overflow: hidden; transition: border-color .2s; }
.rz-num:focus-within { border-color: var(--lime); }
.rz-num input { flex: 1; min-width: 0; width: 100%; padding: 10px 0 10px 11px; background: none; border: none;
  color: var(--txt); font-size: .95rem; font-family: 'JetBrains Mono', monospace; outline: none; }
.rz-num input::-webkit-outer-spin-button, .rz-num input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.rz-num input[type=number] { -moz-appearance: textfield; }
.rz-unit { padding: 0 10px; font-size: .7rem; color: var(--txt3); font-family: 'JetBrains Mono', monospace; }

.rz-lock { flex: none; width: 38px; height: 40px; display: grid; place-items: center;
  background: var(--bg); border: 1.5px solid var(--line2); border-radius: 10px; color: var(--txt3);
  cursor: pointer; transition: all .2s; }
.rz-lock:hover { color: var(--txt); border-color: var(--line); }
.rz-lock.on { background: var(--lime); border-color: var(--lime); color: #0a0b0d; }
.rz-lock .rz-lock-off { display: none; }
.rz-lock:not(.on) .rz-lock-on { display: none; }
.rz-lock:not(.on) .rz-lock-off { display: block; }

/* ranges */
.rz-range { width: 100%; accent-color: var(--lime); cursor: pointer; }
.rz-range:disabled { opacity: .4; cursor: not-allowed; }
.rz-ticks { display: flex; justify-content: space-between; margin-top: 5px;
  font-family: 'JetBrains Mono', monospace; font-size: .6rem; color: var(--txt3); }
.rz-hint { font-size: .72rem; color: var(--txt3); margin-top: 7px; line-height: 1.4; }

/* presets */
.rz-presets { display: flex; flex-wrap: wrap; gap: 7px; }
.rz-presets button { padding: 7px 11px; background: var(--bg); border: 1.5px solid var(--line2);
  border-radius: 8px; color: var(--txt2); font-size: .74rem; font-family: 'JetBrains Mono', monospace;
  cursor: pointer; transition: all .18s; }
.rz-presets button:hover { border-color: var(--lime); color: var(--txt); }
.rz-presets button.sel { background: var(--lime); border-color: var(--lime); color: #0a0b0d; font-weight: 600; }

/* target file size */
.rz-kb-row { display: flex; gap: 8px; align-items: stretch; }
.rz-kb-num { flex: 1; min-width: 0; position: relative; }
.rz-kb-x { position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px; display: grid; place-items: center; background: var(--line2);
  border: none; border-radius: 50%; color: var(--txt2); font-size: .68rem; cursor: pointer;
  opacity: 0; transition: opacity .15s; }
.rz-kb-num:focus-within .rz-kb-x, .rz-kb-num:hover .rz-kb-x { opacity: 1; }
.rz-kb-x:hover { background: var(--lime); color: #0a0b0d; }
.rz-seg { display: inline-flex; flex: none; background: var(--bg); border: 1.5px solid var(--line2);
  border-radius: 10px; overflow: hidden; }
.rz-seg button { padding: 0 14px; background: none; border: none; color: var(--txt2);
  font-size: .76rem; font-family: 'JetBrains Mono', monospace; cursor: pointer; transition: all .15s; }
.rz-seg button.sel { background: var(--lime); color: #0a0b0d; font-weight: 600; }
.rz-seg button:not(.sel):hover { color: var(--txt); }

/* stats */
.rz-stats { border-top: 1px solid var(--line2); padding-top: 16px; display: flex; flex-direction: column; gap: 9px; }
.rz-stat { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: .8rem; }
.rz-stat span { color: var(--txt3); flex: none; }
.rz-stat b { color: var(--txt); font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: .8rem;
  text-align: right; min-width: 0; word-break: break-word; }

/* actions */
.rz-actions { padding: 16px 20px; border-top: 1px solid var(--line2); background: var(--card); }
.rz-act-row { display: flex; gap: 8px; margin-top: 10px; }
.rz-ghost { flex: 1; padding: 9px; background: none; border: 1.5px solid var(--line2); border-radius: 10px;
  color: var(--txt2); font-size: .8rem; cursor: pointer; transition: all .18s; }
.rz-ghost:hover { border-color: var(--lime); color: var(--txt); }

/* result */
.rz-result-card { text-align: center; padding: 44px 26px; background: var(--card);
  border: 1px solid var(--line2); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); max-width: 480px; margin: 0 auto; }
.rz-result-ic { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 20px; display: grid;
  place-items: center; background: var(--lime); color: #0a0b0d; }
.rz-result-card h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.rz-result-card p { color: var(--txt2); font-family: 'JetBrains Mono', monospace; font-size: .82rem; margin-bottom: 22px; }
.rz-result-card #rzDownload { min-width: 220px; box-sizing: border-box; }
.rz-result-again { display: inline-block; box-sizing: border-box; margin-top: 14px;
  padding: 16px 30px; min-width: 220px; font-size: 1rem; }

/* loader */
.rz-loader { text-align: center; padding: 60px 20px; color: var(--txt2); }
.rz-spinner { width: 38px; height: 38px; margin: 0 auto 16px; border: 3px solid var(--line2);
  border-top-color: var(--lime); border-radius: 50%; animation: rzSpin .7s linear infinite; }
@keyframes rzSpin { to { transform: rotate(360deg); } }

/* ============================================================
   RESPONSIVE — the panel stacks under the stage and goes full width
   ============================================================ */
@media (max-width: 860px) {
  .rz-wrap, .rz-wrap.rz-wide { max-width: 640px; }
  /* single column: stage on top, panel below — panel now spans full width */
  .rz-shell { grid-template-columns: 1fr; }
  .rz-panel { border-left: none; border-top: 1px solid var(--line2); }
  .rz-stage img { max-height: 46vh; }
}
@media (max-width: 560px) {
  .rz-wrap { padding: 44px 14px 70px; }
  .rz-head { margin-bottom: 22px; }
  .rz-head h1 { font-size: clamp(1.8rem, 8vw, 2.3rem); }
  .rz-head p { font-size: .9rem; }
  .rz-stage-area { padding: 14px; }
  .rz-stage img { max-height: 40vh; }
  .rz-panel-scroll { padding: 18px 16px; }
  .rz-num input { font-size: .9rem; }
  .rz-presets button { font-size: .72rem; padding: 7px 10px; }
  .rz-result-card { padding: 34px 18px; }
}
@media (max-width: 420px) {
  /* stack the target-size row so the KB/MB toggle doesn't overflow */
  .rz-kb-row { flex-wrap: wrap; }
  .rz-seg { width: 100%; }
  .rz-seg button { flex: 1; padding: 9px 0; }
  /* presets two-up to avoid horizontal overflow */
  .rz-presets button { flex: 1 1 calc(50% - 4px); text-align: center; }
}