/* ═══════════════════════════════════════════
   Timestamp Converter — Styles (PG Golden Reference)
   ═══════════════════════════════════════════ */

/* Page Header */
.tc-page-header {
  display: grid;
  grid-template-columns: 1fr auto;
  border-bottom: 1px solid var(--border);
  background: #0a0a0a;
}
.tc-ph-left {
  padding: 44px 48px 36px;
  border-right: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.tc-ph-left::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255, 255, 255, 0.012) 3px,
    rgba(255, 255, 255, 0.012) 4px
  );
}
.tc-ph-eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.tc-ph-title {
  font-family: var(--cond);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 18px;
}
.tc-ph-title .t-accent {
  color: var(--yellow);
}
.tc-ph-desc {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 500px;
  line-height: 1.65;
  border-left: 3px solid var(--yellow);
  padding-left: 14px;
  margin-bottom: 28px;
}
.tc-ph-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tc-ph-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.tc-ph-tag.yellow {
  border-color: var(--yellow);
  color: var(--yellow);
}
.tc-ph-tag.green {
  border-color: var(--green, #00c875);
  color: var(--green, #00c875);
}

.tc-ph-right {
  display: flex;
  flex-direction: column;
  min-width: 220px;
}
.tc-ph-stat {
  flex: 1;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.tc-ph-stat:last-child {
  border-bottom: none;
}
.tc-ph-stat-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.tc-ph-stat-val {
  font-family: var(--cond);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--white);
}
.tc-ph-stat-val .y {
  color: var(--yellow);
}
.tc-ph-stat-note {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  margin-top: 4px;
}

/* Main Layout */
.tc-page-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  min-height: 80vh;
}
.tc-col-main {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.tc-col-side {
  display: flex;
  flex-direction: column;
  background: #080808;
}

/* Current Time Panel */
.tc-current-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: #050505;
  border-left: 3px solid var(--yellow);
}
.tc-cp-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.tc-cp-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tc-cp-value {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.tc-cp-right {
  display: flex;
  gap: 0;
}

/* Tool Panels */
.tc-tool-panel {
  border-bottom: 1px solid var(--border);
}
.tc-tph-header {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--border);
  background: #0a0a0a;
  height: 46px;
}
.tc-tph-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  flex: 1;
}
.tc-tph-title .icon {
  color: var(--yellow);
}

.tc-tool-body {
  padding: 28px;
}

.tc-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) {
  .tc-grid-2 {
    grid-template-columns: 1fr;
  }
}

.tc-inp-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.tc-field-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.tc-input-group {
  display: flex;
}
.tc-input {
  flex: 1;
  background: #0a0a0a;
  border: 1px solid var(--border);
  color: var(--white);
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 1rem;
  outline: none;
  min-width: 0;
  transition: border-color 0.15s;
}
.tc-input.full-radius {
  border: 1px solid var(--border);
}
.tc-input:focus {
  border-color: var(--yellow);
}
.tc-select {
  background: #0a0a0a;
  border: 1px solid var(--border);
  border-left: none;
  color: var(--muted);
  padding: 0 12px;
  font-family: var(--mono);
  font-size: 0.82rem;
  outline: none;
  cursor: pointer;
}
.tc-btn {
  height: 46px;
  padding: 0 16px;
  background: none;
  border: none;
  border-left: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    color 0.12s,
    background 0.12s;
  white-space: nowrap;
}
.tc-btn:hover {
  color: var(--white);
  background: #111;
}
.tc-btn.primary {
  background: var(--yellow);
  color: var(--ink, #0c0c0c);
  font-weight: 800;
  border-color: var(--yellow);
}
.tc-btn.primary:hover {
  background: #d4e600;
}

/* Results Table */
.tc-result-table {
  width: 100%;
  border: 1px solid var(--border);
  margin-top: 16px;
}
.tc-result-row {
  border-bottom: 1px solid var(--border);
  display: flex;
  transition: background 0.12s;
}
.tc-result-row:last-child {
  border-bottom: none;
}
.tc-result-row:hover {
  background: #0d0d0d;
}
.tc-r-label {
  padding: 12px 16px;
  background: #0a0a0a;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  width: 130px;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
}
.tc-r-value {
  padding: 12px 16px;
  background: #050505;
  color: var(--white);
  font-family: var(--mono);
  font-size: 0.92rem;
  flex: 1;
  word-break: break-all;
  display: flex;
  align-items: center;
}

/* Docs — reuse rt- shared classes from regex-tester.css pattern */
.tc-page-body .rt-content-section {
  border-bottom: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 900px) {
  .tc-page-header {
    grid-template-columns: 1fr;
  }
  .tc-ph-left {
    border-right: none;
  }
  .tc-ph-right {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--border);
  }
  .tc-ph-stat {
    border-bottom: none;
    border-right: 1px solid var(--border);
  }
  .tc-ph-stat:last-child {
    border-right: none;
  }
  .tc-page-body {
    grid-template-columns: 1fr;
  }
  .tc-col-main {
    border-right: none;
  }
  .tc-current-panel {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* Docs — Reference Guide */
.tc-content-section {
  border-bottom: 1px solid var(--border);
}
.tc-cs-header {
  display: flex;
  align-items: center;
  padding: 0 28px;
  height: 46px;
  border-bottom: 1px solid var(--border);
  background: #0a0a0a;
}
.tc-cs-header-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tc-cs-header-title {
  font-family: var(--cond);
  font-size: 1.05rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-left: 16px;
  border-left: 1px solid var(--border);
  padding-left: 16px;
}
.tc-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  border-bottom: 1px solid var(--border);
  transition: background 0.12s;
}
.tc-step:hover {
  background: #0d0d0d;
}
.tc-step:last-child {
  border-bottom: none;
}
.tc-step-num {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 22px 0 20px;
  border-right: 1px solid var(--border);
  font-family: var(--cond);
  font-size: 2rem;
  font-weight: 900;
  color: var(--border);
  letter-spacing: -0.04em;
  transition: color 0.15s;
}
.tc-step:hover .tc-step-num {
  color: var(--yellow);
}
.tc-step-content {
  padding: 20px 24px;
}
.tc-step-title {
  font-family: var(--cond);
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 6px;
}
.tc-step-desc {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.6;
}
.tc-step-desc code {
  background: #161616;
  padding: 1px 5px;
  color: var(--yellow);
  font-family: var(--mono);
  font-size: 0.85em;
}

/* Mobile Screens (Max 480px) */
@media (max-width: 480px) {
  .tc-input-group {
    flex-direction: column;
  }
  .tc-btn,
  .tc-select {
    border-left: none !important;
    border-top: 1px solid var(--border) !important;
    width: 100%;
  }
  .tc-result-row {
    flex-direction: column;
  }
  .tc-r-label {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .tc-cp-right {
    width: 100%;
  }
  .tc-cp-right .tc-btn {
    flex: 1;
    border-left: 1px solid var(--border);
    border-top: none !important;
  }
  .tc-cp-right .tc-btn:first-child {
    border-left: none;
  }
}