/* ==========================================================================
   ASTROSYNTH — orient-luxury design system
   ========================================================================== */

:root {
  --ol-bg: #09080b;
  --ol-bg-panel: #121016;
  --ol-bg-panel-alt: #17141c;
  --ol-gold: #c9a84c;
  --ol-gold-dim: #8a7538;
  --ol-text: #e9e3d6;
  --ol-text-dim: #a39c8c;
  --ol-border: rgba(201, 168, 76, 0.22);
  --ol-border-strong: rgba(201, 168, 76, 0.45);
  --ol-error: #c96a4c;
  --ol-shadow: rgba(0, 0, 0, 0.5);

  --font-display: 'Cinzel', serif;
  --font-body: 'Cormorant Garamond', serif;
  --font-ui: 'Syne', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

html[data-theme="light"] {
  --ol-bg: #f0ebe0;
  --ol-bg-panel: #e8e0d0;
  --ol-bg-panel-alt: #ddd2bd;
  --ol-gold: #8a6820;
  --ol-gold-dim: #a9884a;
  --ol-text: #2a2420;
  --ol-text-dim: #6b6255;
  --ol-border: rgba(138, 104, 32, 0.28);
  --ol-border-strong: rgba(138, 104, 32, 0.5);
  --ol-error: #a8442a;
  --ol-shadow: rgba(80, 65, 40, 0.18);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--ol-bg);
  color: var(--ol-text);
  font-family: var(--font-body);
  min-height: 100vh;
  position: relative;
  transition: background 0.4s ease, color 0.4s ease;
}

/* ---- grain overlay ---- */
.ol-grain-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 999;
  mix-blend-mode: soft-light;
  opacity: 0.5;
}
.ol-grain-overlay::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  filter: url(#ol-grain);
  background: #808080;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ==========================================================================
   Header
   ========================================================================== */

.as-header {
  border-bottom: 1px solid var(--ol-border);
  padding: 28px 24px 22px;
}

.as-header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  position: relative;
}

.as-wordmark {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.as-wordmark-glyph {
  color: var(--ol-gold);
  font-size: 20px;
}

.as-wordmark-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: 0.12em;
  color: var(--ol-text);
}

.as-tagline {
  grid-column: 1;
  grid-row: 2;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--ol-text-dim);
  margin: 4px 0 0;
}

.as-theme-toggle {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  background: transparent;
  border: 1px solid var(--ol-border);
  color: var(--ol-text-dim);
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.16em;
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.as-theme-toggle:hover,
.as-theme-toggle:focus-visible {
  border-color: var(--ol-border-strong);
  color: var(--ol-gold);
}

.as-theme-toggle:focus-visible {
  outline: 2px solid var(--ol-gold);
  outline-offset: 2px;
}

/* ==========================================================================
   Main layout
   ========================================================================== */

.as-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

/* ==========================================================================
   Signature element: the Zodiac Dial
   ========================================================================== */

.as-dial-section {
  display: flex;
  justify-content: center;
}

.as-dial-wrap {
  width: min(420px, 86vw);
}

.as-dial {
  width: 100%;
  height: auto;
  overflow: visible;
}

.as-dial-ring-outer,
.as-dial-ring-inner {
  fill: none;
  stroke: var(--ol-border);
  stroke-width: 1;
}

.as-dial-core-ring {
  fill: var(--ol-bg-panel);
  stroke: var(--ol-border-strong);
  stroke-width: 1.5;
}

.as-dial-core-glyph {
  font-family: var(--font-display);
  font-size: 28px;
  fill: var(--ol-gold);
  transition: fill 0.3s ease;
}

.as-dial-core-label {
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: 0.18em;
  fill: var(--ol-text-dim);
}

.as-dial-node-hit {
  fill: transparent;
  cursor: pointer;
}

.as-dial-node-ring {
  fill: var(--ol-bg-panel);
  stroke: var(--ol-border);
  stroke-width: 1.25;
  transition: stroke 0.25s ease, fill 0.25s ease, r 0.25s ease;
}

.as-dial-node-glyph {
  font-family: var(--font-display);
  font-size: 19px;
  fill: var(--ol-text-dim);
  text-anchor: middle;
  dominant-baseline: central;
  pointer-events: none;
  transition: fill 0.25s ease;
}

.as-dial-node-label {
  font-family: var(--font-ui);
  font-size: 7.5px;
  letter-spacing: 0.1em;
  fill: var(--ol-text-dim);
  text-anchor: middle;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.as-dial-node:hover .as-dial-node-ring,
.as-dial-node:focus .as-dial-node-ring {
  stroke: var(--ol-gold);
}

.as-dial-node:hover .as-dial-node-glyph,
.as-dial-node:focus .as-dial-node-glyph {
  fill: var(--ol-gold);
}

.as-dial-node:hover .as-dial-node-label,
.as-dial-node:focus .as-dial-node-label {
  opacity: 1;
}

.as-dial-node.selected .as-dial-node-ring {
  fill: var(--ol-gold);
  stroke: var(--ol-gold);
}

.as-dial-node.selected .as-dial-node-glyph {
  fill: var(--ol-bg);
}

.as-dial-node.selected .as-dial-node-label {
  opacity: 1;
  fill: var(--ol-gold);
}

.as-dial-lines line {
  stroke: var(--ol-gold);
  stroke-width: 1;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.as-dial-lines line.active {
  opacity: 0.55;
}

/* ==========================================================================
   Console (form controls)
   ========================================================================== */

.as-console {
  background: var(--ol-bg-panel);
  border: 1px solid var(--ol-border);
  border-radius: 4px;
  padding: 28px;
  display: grid;
  gap: 22px;
}

.as-field-group {
  display: grid;
  gap: 9px;
}

.as-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.as-field-half {
  min-width: 0;
}

.as-field-label {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ol-text-dim);
}

.as-field-optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  opacity: 0.75;
}

.as-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.as-pill {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--ol-border);
  background: transparent;
  color: var(--ol-text-dim);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.as-pill:hover,
.as-pill:focus-visible {
  border-color: var(--ol-border-strong);
  color: var(--ol-text);
}

.as-pill:focus-visible {
  outline: 2px solid var(--ol-gold);
  outline-offset: 2px;
}

.as-pill.active {
  background: var(--ol-gold);
  border-color: var(--ol-gold);
  color: var(--ol-bg);
}

.as-text-input,
.as-textarea {
  width: 100%;
  background: var(--ol-bg-panel-alt);
  border: 1px solid var(--ol-border);
  border-radius: 3px;
  color: var(--ol-text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 11px 13px;
}

.as-text-input:focus-visible,
.as-textarea:focus-visible {
  outline: 2px solid var(--ol-gold);
  outline-offset: 1px;
  border-color: var(--ol-border-strong);
}

.as-textarea {
  resize: vertical;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
}

.as-char-counter {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ol-text-dim);
  justify-self: end;
}

.as-generate-btn {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.16em;
  background: var(--ol-gold);
  color: var(--ol-bg);
  border: 1px solid var(--ol-gold);
  border-radius: 3px;
  padding: 15px 20px;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.15s ease;
}

.as-generate-btn:hover:not(:disabled) {
  opacity: 0.88;
}

.as-generate-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.as-generate-btn:disabled {
  background: transparent;
  color: var(--ol-text-dim);
  border-color: var(--ol-border);
  cursor: not-allowed;
}

.as-generate-btn:focus-visible {
  outline: 2px solid var(--ol-gold);
  outline-offset: 2px;
}

/* ==========================================================================
   Result panel
   ========================================================================== */

.as-result-section {
  min-height: 160px;
  border-top: 1px solid var(--ol-border);
  padding-top: 32px;
}

.as-result-idle p,
.as-result-loading p {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ol-text-dim);
  text-align: center;
}

.as-result-loading {
  position: relative;
  padding: 30px 0;
  overflow: hidden;
}

.as-scanline {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ol-gold), transparent);
  animation: as-scan 1.6s ease-in-out infinite;
}

@keyframes as-scan {
  0% { top: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

.as-result-error {
  border: 1px solid var(--ol-error);
  border-radius: 3px;
  padding: 18px 20px;
  background: color-mix(in srgb, var(--ol-error) 8%, transparent);
}

.as-result-error-title {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ol-error);
  margin: 0 0 6px;
}

#error-message {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ol-text);
  margin: 0;
}

.as-result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ol-gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.as-result-meta-sep {
  color: var(--ol-text-dim);
}

.as-result-text {
  font-family: var(--font-body);
  font-size: 21px;
  line-height: 1.65;
  font-weight: 500;
  color: var(--ol-text);
  margin: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.as-footer {
  border-top: 1px solid var(--ol-border);
  padding: 20px 24px 32px;
  text-align: center;
}

.as-footer p {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ol-text-dim);
  margin: 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 640px) {
  .as-header-inner {
    grid-template-columns: 1fr;
  }
  .as-theme-toggle {
    grid-column: 1;
    grid-row: 3;
    justify-self: start;
    margin-top: 14px;
  }
  .as-field-row {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .as-result-text {
    font-size: 19px;
  }
}