/* File: /clamp-finder/style.css */
/**
 * ============================================================================
 * FluidType — Figma to Divi 5 Clamp Generator
 * ============================================================================
 * Dark theme matching blaircox.com playground aesthetic.
 * Narrow column layout (~440px) for side-panel workflow.
 * ============================================================================
 */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=DM+Sans:wght@400;500;600;700&display=swap');


/*-----------------------------------------------------------
  Design Tokens (blaircox.com palette)
-----------------------------------------------------------*/
:root {
  --bg:          #0F0F12;
  --bg-card:     #1A1A22;
  --bg-hover:    #222230;
  --bg-input:    #14141C;
  --text:        #E8E6E3;
  --text-dim:    #8A8890;
  --accent:      #E8534A;
  --accent-glow: rgba(232,83,74,0.25);
  --accent-soft: rgba(232,83,74,0.12);
  --border:      #2A2A36;
  --green:       #5CB870;
  --green-soft:  rgba(92,184,112,0.12);
  --green-border:rgba(92,184,112,0.3);
  --mono:        'Space Mono', 'Courier New', monospace;
  --sans:        'DM Sans', 'Segoe UI', sans-serif;
  --radius:      10px;
  --radius-sm:   6px;
}

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

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}


/*-----------------------------------------------------------
  Background Animation (matches landing page)
-----------------------------------------------------------*/
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(42,42,54,0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,42,54,0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridShift 20s linear infinite;
}
@keyframes gridShift {
  0%   { background-position: 0 0; }
  100% { background-position: 60px 60px; }
}

.glow-blob {
  position: fixed;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  top: -80px;
  right: -80px;
  z-index: 0;
  animation: blobFloat 15s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes blobFloat {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-60px, 50px) scale(1.15); }
  100% { transform: translate(20px, -30px) scale(0.9); }
}


/*-----------------------------------------------------------
  Page Layout (narrow column, centered)
-----------------------------------------------------------*/
.page-wrap {
  position: relative;
  z-index: 1;
  max-width: 440px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}


/*-----------------------------------------------------------
  Header
-----------------------------------------------------------*/
.back-link {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 1rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

.site-header {
  margin-bottom: 2rem;
}
.site-header h1 {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}
.site-header h1 .accent { color: var(--accent); }
.site-header p {
  font-size: 0.92rem;
  color: var(--text-dim);
}


/*-----------------------------------------------------------
  Panels
-----------------------------------------------------------*/
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  position: relative;
}

.panel-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}
.panel-hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  opacity: 0.7;
}


/*-----------------------------------------------------------
  Form Fields
-----------------------------------------------------------*/
.field-row {
  display: flex;
  gap: 0.75rem;
}
.field-group {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.field-group--lg { flex: 1.3; }

label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.field-note {
  font-size: 0.68rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
  opacity: 0.7;
}

.input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}
.input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.input-wrap--sm {
  max-width: 100px;
}

.input-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.95rem;
  padding: 0.6rem 0.7rem;
  width: 100%;
  min-width: 0;
}
.input-wrap input::placeholder { color: var(--text-dim); opacity: 0.5; }

/* Remove number spinners */
.input-wrap input[type="number"]::-webkit-outer-spin-button,
.input-wrap input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.input-wrap input[type="number"] { -moz-appearance: textfield; }

.input-wrap--lg input {
  font-size: 1.3rem;
  padding: 0.7rem 0.7rem;
  font-weight: 700;
}

.unit {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 0 0.65rem 0 0;
  user-select: none;
}

/* Min override row */
.min-override-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}
.min-override-row label {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0;
  white-space: nowrap;
}
.min-override-row .field-note {
  margin-top: 0;
}

/* Select dropdown */
.select-wrap {
  position: relative;
}
.select-wrap select {
  width: 100%;
  appearance: none;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.6rem 2rem 0.6rem 0.7rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}
.select-wrap select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.select-wrap::after {
  content: '\25BC';
  position: absolute;
  right: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.6rem;
  color: var(--text-dim);
  pointer-events: none;
}
.select-wrap select option {
  background: var(--bg-card);
  color: var(--text);
}

/* Reset button */
.btn-reset {
  display: inline-block;
  margin-top: 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-reset:hover {
  color: var(--accent);
  border-color: var(--accent);
}


/*-----------------------------------------------------------
  Output Section
-----------------------------------------------------------*/
.output-section {
  transition: opacity 0.3s;
}
.output-section.hidden {
  opacity: 0;
  pointer-events: none;
  height: 0;
  overflow: hidden;
}

/* Primary output (Divi 5 value) */
.output-primary {
  background: linear-gradient(135deg, var(--bg-card), var(--green-soft));
  border: 1px solid var(--green-border);
  border-radius: var(--radius);
  padding: 1.1rem;
  margin-bottom: 0.75rem;
}

/* Secondary output (full CSS) */
.output-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  margin-bottom: 0.75rem;
}

.output-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.output-code {
  font-family: var(--mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  word-break: break-all;
  line-height: 1.4;
}
.output-code--sm {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--accent);
}

/* Divi field breakdown labels */
.divi-fields {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.55rem;
  flex-wrap: wrap;
}
.divi-field {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.15rem 0.45rem;
}
.divi-field span {
  color: var(--text);
  font-weight: 700;
}

/* Copy button */
.btn-copy {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-copy:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.btn-copy.copied {
  color: var(--green);
  border-color: var(--green);
}


/*-----------------------------------------------------------
  Breakpoint Table
-----------------------------------------------------------*/
.breakpoint-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  margin-bottom: 0.75rem;
}

.bp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}
.bp-table th {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  text-align: left;
  padding: 0 0 0.45rem 0;
  border-bottom: 1px solid var(--border);
}
.bp-table td {
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(42,42,54,0.4);
  color: var(--text-dim);
}
.bp-table tr:last-child td { border-bottom: none; }
.bp-table .col-right {
  text-align: right;
}
.bp-table td.col-right {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--text);
}
/* Highlight the Figma design-width row */
.bp-table tr.bp-match td {
  color: var(--accent);
}
.bp-table tr.bp-match td.col-right {
  color: var(--accent);
}
.bp-table tr.bp-clamped td {
  opacity: 0.5;
}


/*-----------------------------------------------------------
  Live Preview Panel
-----------------------------------------------------------*/
.preview-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.1rem;
  margin-bottom: 1rem;
}

.preview-slider-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}
.preview-slider-row label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
  margin-bottom: 0;
}
.preview-slider-row input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}
.preview-slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg);
}
.preview-slider-row input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg);
}
#preview-vp-val {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  min-width: 48px;
  text-align: right;
}

.preview-text-wrap {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1rem;
  overflow: hidden;
  position: relative;
}
.preview-text {
  font-family: var(--sans);
  color: var(--text);
  line-height: 1.3;
  transition: font-size 0.12s ease;
  word-break: break-word;
}
.preview-computed {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}


/*-----------------------------------------------------------
  Info Details
-----------------------------------------------------------*/
.info-details {
  margin-bottom: 2rem;
}
.info-summary {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.5rem 0;
  transition: color 0.2s;
  list-style: none;
}
.info-summary::-webkit-details-marker { display: none; }
.info-summary::before {
  content: '+ ';
  color: var(--accent);
}
.info-details[open] .info-summary::before { content: '- '; }
.info-summary:hover { color: var(--text); }

.info-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: 0.35rem;
}
.info-body p {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin-bottom: 0.6rem;
}
.info-body p:last-child { margin-bottom: 0; }


/*-----------------------------------------------------------
  Footer
-----------------------------------------------------------*/
.site-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
}
.site-footer a { color: var(--text-dim); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }


/*-----------------------------------------------------------
  Responsive
-----------------------------------------------------------*/
@media (max-width: 480px) {
  .page-wrap { padding: 1.75rem 1rem 2.5rem; }
  .field-row { flex-direction: column; gap: 0.6rem; }
  .site-header h1 { font-size: 1.6rem; }
  .min-override-row { flex-direction: column; align-items: flex-start; gap: 0.35rem; }
}