/* ===========================================
   SCREEN SIZE TOOL
   =========================================== */

/* ── Wrapper ── */
.tool-wrapper {
  min-height: calc(100vh - 64px);
  padding-top: 64px;
  display: flex;
  flex-direction: column;
}
@media (max-width: 480px) {
  .tool-wrapper { min-height: calc(100vh - 56px); padding-top: 56px; }
}

/* ── Decorative background ── */
.tool-wrapper::before {
  content: '';
  position: fixed;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(91,45,142,0.04) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Container ── */
.tool-wrapper .container {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 36px 16px;
}

/* ── Live badge ── */
.tool-wrapper .live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  color: var(--text-light);
  letter-spacing: 0.08em;
}

.tool-wrapper .live-dot {
  width: 5px;
  height: 5px;
  background: var(--purple);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ── Title Row ── */
.tool-wrapper .title-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 0 14px;
  flex-shrink: 0;
}

.tool-wrapper .title-row .en {
  font-family: "Cormorant Garamond", serif;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--dark);
  text-transform: uppercase;
  white-space: nowrap;
}

.tool-wrapper .title-row .en span { color: var(--purple); }

.tool-wrapper .title-row .divider-h {
  width: 32px;
  height: 1px;
  background: var(--purple);
  flex-shrink: 0;
}

.tool-wrapper .title-row .zh {
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 300;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ── Main Content (two columns) ── */
.tool-wrapper .main {
  flex: 1;
  display: flex;
  gap: 20px;
  min-height: 0;
}

/* ── Left: Device Info ── */
.tool-wrapper .device-panel {
  width: 340px;
  flex-shrink: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.tool-wrapper .device-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--purple), var(--purple-mid));
}

.tool-wrapper .device-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.tool-wrapper .device-icon {
  width: 44px;
  height: 44px;
  background: var(--purple-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tool-wrapper .device-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--purple);
  fill: none;
  stroke-width: 1.5;
}

.tool-wrapper .device-type-label {
  font-size: 0.62rem;
  color: var(--text-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.tool-wrapper .device-type-value {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--dark);
  letter-spacing: 0.04em;
}

.tool-wrapper .device-tags {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.tool-wrapper .device-tag {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 2px;
  font-size: 0.75rem;
  color: var(--text);
  transition: border-color 0.2s;
}

.tool-wrapper .device-tag:hover { border-color: var(--purple); }

.tool-wrapper .device-tag strong {
  font-weight: 500;
  color: var(--purple);
}

.tool-wrapper .device-ua {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
  font-size: 0.6rem;
  color: var(--text-light);
  word-break: break-all;
  line-height: 1.5;
  font-family: monospace;
  max-height: 3.2em;
  overflow: hidden;
}

/* ── Right: Resolution Grid ── */
.tool-wrapper .right-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.tool-wrapper .grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.tool-wrapper .card {
  background: var(--white);
  padding: 18px 20px;
  transition: background 0.25s;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tool-wrapper .card:hover { background: var(--purple-light); }

.tool-wrapper .card-label {
  font-size: 0.65rem;
  color: var(--text-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 400;
}

.tool-wrapper .card-value {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--dark);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.tool-wrapper .card-value .unit {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 300;
  margin-left: 2px;
}

.tool-wrapper .card-desc {
  font-size: 0.6rem;
  color: var(--text-light);
  margin-top: 6px;
  line-height: 1.4;
}

/* ── Tool hint footer ── */
.tool-wrapper .footer {
  text-align: center;
  padding: 10px 0 0;
  flex-shrink: 0;
}

.tool-wrapper .footer-text {
  font-size: 0.68rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

/* ===========================================
   RESPONSIVE
   =========================================== */
@media (max-width: 1024px) {
  .tool-wrapper .container { padding: 14px 18px 12px; }

  .tool-wrapper .title-row {
    flex-wrap: wrap;
    gap: 8px 14px;
    padding: 12px 0 10px;
  }
  .tool-wrapper .title-row .en { font-size: 1.5rem; letter-spacing: 0.1em; }
  .tool-wrapper .title-row .zh { font-size: 0.7rem; }
  .tool-wrapper .title-row .divider-h { width: 20px; }
  .tool-wrapper .title-row .live-badge { font-size: 0.62rem; }

  .tool-wrapper .main { flex-direction: column; }

  .tool-wrapper .device-panel {
    width: 100%;
    padding: 18px 20px;
  }
  .tool-wrapper .device-header { margin-bottom: 14px; gap: 12px; }
  .tool-wrapper .device-icon { width: 40px; height: 40px; }
  .tool-wrapper .device-icon svg { width: 18px; height: 18px; }
  .tool-wrapper .device-type-value { font-size: 1.15rem; }

  .tool-wrapper .device-tags {
    flex-direction: column;
    gap: 5px;
  }
  .tool-wrapper .device-tag {
    flex: 1 1 100%;
    font-size: 0.72rem;
    padding: 8px 11px;
  }

  .tool-wrapper .grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 1fr);
  }
  .tool-wrapper .card { padding: 14px 16px; }
  .tool-wrapper .card-value { font-size: 1.2rem; }
  .tool-wrapper .card-value .unit { font-size: 0.68rem; }
  .tool-wrapper .card-label { font-size: 0.6rem; margin-bottom: 6px; }
  .tool-wrapper .card-desc { font-size: 0.55rem; margin-top: 4px; }
}

@media (max-width: 420px) {
  .tool-wrapper .container { padding: 12px 14px 10px; }

  .tool-wrapper .title-row .en { font-size: 1.3rem; }
  .tool-wrapper .title-row .zh { font-size: 0.65rem; }
  .tool-wrapper .title-row .divider-h { width: 16px; }

  .tool-wrapper .card { padding: 12px 13px; }
  .tool-wrapper .card-value { font-size: 1.1rem; }
  .tool-wrapper .footer-text { font-size: 0.6rem; }
}