/* ================================================
   The Alchemist Blueprint — Warm Brutalism
   Palette: Obsidian + Limestone Cream + Burnt Orange
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;1,9..144,300&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ---- Tokens ---- */
:root {
  --obsidian: #0D0C0B;
  --surface: #1A1917;
  --surface-2: #242220;
  --surface-3: #2E2C29;
  --cream: #F0EDE6;
  --cream-dim: #D1CEC7;
  --cream-faint: #2A2826;
  --orange: #e97451;
  --orange-dim: #b3593e;
  --orange-glow: rgba(233, 116, 81, 0.12);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --radius: 2px;
  --radius-lg: 4px;
  --gap: 1.5rem;
  --gap-lg: 3rem;
  --max-w: 960px;
  --transition: 200ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--obsidian);
  color: var(--cream);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.65;
  min-height: 100dvh;
}

/* ---- Layout ---- */
.site-wrapper {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Header ---- */
.site-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 0 3rem;
  border-bottom: 1px solid var(--surface-3);
  margin-bottom: 4rem;
}

.logo-container {
  margin-bottom: 2rem;
}

.site-logo {
  height: 48px;
  width: auto;
  display: block;
  opacity: 0.9;
}

.site-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--cream);
  margin-bottom: 1.25rem;
}

.site-title em {
  font-style: italic;
  color: var(--orange);
}

.site-subheadline {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 300;
  color: var(--cream);
  margin-bottom: 2.5rem;
  line-height: 1.4;
  max-width: 600px;
}

.site-description {
  font-size: 1.05rem;
  color: var(--cream-dim);
  max-width: 680px;
  line-height: 1.75;
  text-align: left;
}

.site-description p {
  margin-bottom: 1.5rem;
}

/* ---- Form Card ---- */
.form-card {
  background: #f2efea;
  border: none;
  border-radius: 16px;
  padding: 3.5rem;
  margin-bottom: 4rem;
  color: #1e1a17;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: #1e1a17;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #d8cfc4;
  letter-spacing: 0.02em;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #1e1a17;
  opacity: 0.7;
}

input {
  background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  border: 1px solid rgba(30, 26, 23, 0.15);
  border-radius: 8px;
  color: #1e1a17;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  padding: 1rem;
  width: 100%;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(233, 116, 81, 0.1);
}

input::placeholder {
  color: rgba(30, 26, 23, 0.4);
  text-align: left;
  opacity: 1;
}

/* Time input styling from Signal app */
input[type="time"] {
  text-align: left !important;
  color: #1e1a17 !important;
}

input[type="time"]:invalid,
input[type="time"]:not(:focus):not(:valid) {
  color: rgba(30, 26, 23, 0.4) !important;
}

input[type="time"]::-webkit-datetime-edit-text {
  color: rgba(30, 26, 23, 0.4);
}

input[type="time"]:focus::-webkit-datetime-edit-text {
  color: #1e1a17;
}

input[type="time"]:valid {
  color: #1e1a17 !important;
}

input[type="time"]::-webkit-datetime-edit {
  text-align: left;
  padding-left: 0;
}

input[type="time"]::-webkit-datetime-edit-fields-wrapper {
  text-align: left;
}

/* Date/time inputs */
input[type="date"],
input[type="time"] {
  cursor: pointer;
  color-scheme: dark;
}

/* City autocomplete */
.city-wrapper {
  position: relative;
}

.city-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--surface-2);
  border: 1px solid var(--orange);
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
  border-radius: var(--radius);
}

.city-dropdown.open {
  display: block;
}

.city-option {
  padding: 0.6rem 0.875rem;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--cream);
  transition: background var(--transition);
  border-bottom: 1px solid var(--surface-3);
}

.city-option:last-child {
  border-bottom: none;
}

.city-option:hover {
  background: var(--surface-3);
}

/* ---- Submit Button ---- */
.btn-generate {
  width: 100%;
  background: var(--orange);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  padding: 1rem 2rem;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  margin-top: 1rem;
}

.btn-generate:hover:not(:disabled) {
  background: #f08b6e;
  transform: translateY(-1px);
}

.btn-generate:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- Loading State ---- */
.loading-state {
  display: none;
  text-align: center;
  padding: 4rem 0;
}

.loading-state.visible {
  display: block;
}

.loading-sigil {
  width: 48px;
  height: 48px;
  border: 1px solid var(--surface-3);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
  margin: 0 auto 1.5rem;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--cream-dim);
  font-style: italic;
}

.loading-sub {
  font-size: 0.8rem;
  color: var(--cream-dim);
  opacity: 0.6;
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
}

/* ---- Results ---- */
#results-section {
  display: none;
}

#results-section.visible {
  display: block;
}

.results-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--surface-3);
}

.results-name {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--cream);
  line-height: 1.15;
}

.results-name em {
  font-style: italic;
  color: var(--orange);
}

.results-subtitle {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-dim);
  margin-top: 0.5rem;
}

/* ---- Output Blocks ---- */
.output-block {
  margin-bottom: 3rem;
  border: 1px solid var(--surface-3);
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--surface-3);
  gap: 1rem;
}

.output-label {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.output-number {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
}

.output-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--cream);
}

.btn-copy {
  background: transparent;
  border: 1px solid var(--surface-3);
  color: var(--cream-dim);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-copy:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.btn-copy.copied {
  border-color: #5A9E6F;
  color: #5A9E6F;
}

.output-body {
  padding: 1.75rem;
  background: var(--obsidian);
}

/* Blueprint phases */
.blueprint-phases {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.phase-block {
  border-bottom: 1px solid var(--surface-3);
  padding: 1.75rem 0;
}

.phase-block:first-child {
  padding-top: 0;
}

.phase-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.phase-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}

.phase-reading {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--cream);
}

.phase-reading p+p {
  margin-top: 0.875rem;
}

/* Data grid items within phases */
.data-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.data-tag {
  background: var(--surface-2);
  border: 1px solid var(--surface-3);
  font-size: 0.75rem;
  color: var(--cream-dim);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius);
  font-weight: 400;
}

.data-tag.orange {
  background: var(--orange-glow);
  border-color: var(--orange-dim);
  color: var(--orange);
}

/* Color palette swatch display */
.palette-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.swatch-color {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.swatch-hex {
  font-size: 0.65rem;
  font-family: 'Courier New', monospace;
  color: var(--cream-dim);
  letter-spacing: 0.05em;
}

.swatch-name {
  font-size: 0.6rem;
  color: var(--cream-dim);
  opacity: 0.7;
  text-align: center;
}

/* Font pair display */
.font-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.font-card {
  background: var(--surface-2);
  border: 1px solid var(--surface-3);
  padding: 0.875rem;
  border-radius: var(--radius);
}

.font-role {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.3rem;
}

.font-name {
  font-size: 0.9rem;
  color: var(--cream);
}

.font-note {
  font-size: 0.75rem;
  color: var(--cream-dim);
  margin-top: 0.25rem;
}

/* Prompt blocks (outputs 2 & 3) */
.prompt-text {
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--cream);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Call to action line */
.cta-line {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--surface-3);
  font-size: 0.8rem;
  color: var(--orange);
  font-style: italic;
  font-family: var(--font-display);
}

/* ---- Error ---- */
.error-msg {
  background: rgba(196, 98, 45, 0.08);
  border: 1px solid var(--orange-dim);
  color: var(--orange);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  border-radius: var(--radius);
  display: none;
  margin-top: 1rem;
}

.error-msg.visible {
  display: block;
}

/* ---- Footer ---- */
.site-footer {
  margin-top: 6rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--surface-3);
  text-align: center;
}

.footer-text {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-dim);
  opacity: 0.5;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 1.75rem;
  }

  .output-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .font-pair {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding: 2.5rem 0 2rem;
  }
}