/* ==========================================================================
   VYRON Email Signature Generator - application UI
   (This stylesheet styles the GENERATOR only. The generated signature carries
   its own inline styles and never depends on this file.)
   ========================================================================== */

:root {
  --ink: #1c1c1c;
  --ink-raised: #232323;
  --ink-sunken: #171717;
  --cream: #f8f5f2;
  --gold: #9d814a;
  --gold-soft: rgba(157, 129, 74, 0.4);
  --muted: rgba(248, 245, 242, 0.62);
  --line: rgba(248, 245, 242, 0.12);
  --danger: #e2846b;
  --success: #9fc09a;
  --radius: 4px;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--ink);
  color: var(--cream);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0.01em;
}

/* --------------------------------------------------------------------------
   utilities
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 10;
  padding: 10px 16px;
  background-color: var(--gold);
  color: var(--ink);
  font-weight: 600;
  border-radius: var(--radius);
  transition: top 0.15s ease-in-out;
}

.skip-link:focus {
  top: 16px;
}

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

/* --------------------------------------------------------------------------
   header / footer
   -------------------------------------------------------------------------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background-color: var(--ink);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 34px;
  padding-bottom: 34px;
  flex-wrap: wrap;
}

.site-header__logo {
  display: block;
  width: 168px;
  height: 44px;
}

.site-header__text {
  border-left: 1px solid var(--gold-soft);
  padding-left: 28px;
}

.site-header__title {
  margin: 0;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-header__subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  margin-top: 72px;
  padding: 26px 0 40px;
  border-top: 1px solid var(--line);
  color: rgba(248, 245, 242, 0.45);
  font-size: 13px;
}

.site-footer p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   layout
   -------------------------------------------------------------------------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding-top: 44px;
}

.column {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.panel {
  background-color: var(--ink-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  min-width: 0;
}

.panel--muted {
  background-color: transparent;
}

.panel__head {
  margin-bottom: 28px;
}

.panel__title {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cream);
}

.panel__title--small {
  font-size: 12px;
}

.panel__title::after {
  content: '';
  display: block;
  width: 34px;
  height: 2px;
  margin-top: 12px;
  background-color: var(--gold);
}

.panel__subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

/* --------------------------------------------------------------------------
   form
   -------------------------------------------------------------------------- */
.field-group {
  margin: 0 0 32px;
  padding: 0;
  border: 0;
}

.field-group:last-child {
  margin-bottom: 0;
}

.field-group__legend {
  padding: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.field-group__description {
  margin: 6px 0 20px;
  color: var(--muted);
  font-size: 13px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.field {
  min-width: 0;
}

.field__label {
  display: block;
  margin-bottom: 7px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(248, 245, 242, 0.88);
}

.field__required {
  margin-left: 4px;
  color: var(--gold);
}

.field__input {
  width: 100%;
  padding: 11px 13px;
  background-color: var(--ink-sunken);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--cream);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.4;
  transition: border-color 0.15s ease-in-out, background-color 0.15s ease-in-out;
}

.field__input::placeholder {
  color: rgba(248, 245, 242, 0.3);
}

.field__input:hover {
  border-color: rgba(248, 245, 242, 0.22);
}

.field__input:focus {
  border-color: var(--gold);
  outline: none;
  box-shadow: 0 0 0 3px rgba(157, 129, 74, 0.25);
}

.field__hint {
  margin: 6px 0 0;
  color: rgba(248, 245, 242, 0.45);
  font-size: 12px;
}

.field__error {
  margin: 0;
  min-height: 0;
  color: var(--danger);
  font-size: 12px;
}

.field__error:not(:empty) {
  margin-top: 6px;
}

.field--invalid .field__input {
  border-color: var(--danger);
}

/* --------------------------------------------------------------------------
   theme toggle
   -------------------------------------------------------------------------- */
.theme-toggle {
  margin: 0 0 20px;
  padding: 0;
  border: 0;
}

.theme-toggle__legend {
  padding: 0;
  margin-bottom: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.theme-toggle__options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.theme-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--ink-sunken);
  font-size: 13px;
  cursor: pointer;
}

.theme-option input {
  accent-color: var(--gold);
  margin: 0;
}

.theme-option:has(input:checked) {
  border-color: var(--gold);
  color: var(--cream);
}

/* --------------------------------------------------------------------------
   email preview window
   -------------------------------------------------------------------------- */
.email-window {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #ffffff;
}

.email-window__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background-color: #f1eeea;
  border-bottom: 1px solid #ddd6cd;
}

.email-window__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #cfc7bc;
}

.email-window__label {
  margin-left: 8px;
  color: #6f6a63;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.email-window__body {
  padding: 26px 24px 30px;
  overflow-x: auto;
}

.email-window__greeting {
  margin: 0 0 22px;
  color: #3d3a36;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
}

.email-window__empty {
  margin: 0;
  color: #8b857c;
  font-size: 13px;
  font-style: italic;
}

/* --------------------------------------------------------------------------
   actions + status
   -------------------------------------------------------------------------- */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out,
    color 0.15s ease-in-out;
}

.button:disabled {
  opacity: 0.55;
  cursor: progress;
}

.button--primary {
  background-color: var(--gold);
  color: #16130d;
}

.button--primary:hover:not(:disabled) {
  background-color: #b0925a;
}

.button--secondary {
  background-color: transparent;
  border-color: var(--gold-soft);
  color: var(--cream);
}

.button--secondary:hover:not(:disabled) {
  border-color: var(--gold);
}

.button--ghost {
  background-color: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.button--ghost:hover:not(:disabled) {
  border-color: rgba(248, 245, 242, 0.35);
  color: var(--cream);
}

.status {
  margin: 18px 0 0;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-radius: var(--radius);
  font-size: 13.5px;
}

.status--success {
  border-left-color: var(--success);
  color: var(--success);
}

.status--error {
  border-left-color: var(--danger);
  color: var(--danger);
}

.status--info {
  border-left-color: var(--gold);
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   generated HTML disclosure
   -------------------------------------------------------------------------- */
.disclosure {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.disclosure__summary {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
}

.disclosure__summary:hover {
  color: var(--cream);
}

.disclosure__body {
  margin-top: 16px;
}

.disclosure__note {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12.5px;
  word-break: break-all;
}

.callout {
  margin: 0 0 12px;
  padding: 11px 14px;
  border-radius: var(--radius);
  font-size: 12.5px;
  line-height: 1.5;
}

.callout--warning {
  background-color: rgba(226, 132, 107, 0.08);
  border: 1px solid rgba(226, 132, 107, 0.35);
  color: #edb7a6;
}

.code-inline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.code-block {
  margin: 0;
  padding: 16px;
  max-height: 320px;
  overflow: auto;
  background-color: var(--ink-sunken);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: rgba(248, 245, 242, 0.78);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  white-space: pre;
  tab-size: 2;
}

/* --------------------------------------------------------------------------
   how to use
   -------------------------------------------------------------------------- */
.steps {
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 13.5px;
}

.steps li {
  margin-bottom: 6px;
  padding-left: 4px;
}

.steps li::marker {
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.steps strong {
  color: var(--cream);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .wrap {
    padding: 0 18px;
  }

  .site-header__inner {
    gap: 18px;
    padding-top: 26px;
    padding-bottom: 26px;
  }

  .site-header__text {
    border-left: 0;
    padding-left: 0;
  }

  .site-header__title {
    font-size: 18px;
  }

  .layout {
    padding-top: 28px;
    gap: 20px;
  }

  .column {
    gap: 20px;
  }

  .panel {
    padding: 22px 18px;
  }

  .field-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .actions {
    gap: 10px;
  }

  .button {
    flex: 1 1 100%;
  }

  .email-window__body {
    padding: 20px 16px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}