/* ========================================
   Beauty Business Website Brief — Styles
   Palette: Soft rose/blush + warm neutrals
   ======================================== */

:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 720px;
}

/* ── Light Mode (default) ── */
:root, [data-theme="light"] {
  --color-bg:             #faf8f6;
  --color-surface:        #ffffff;
  --color-surface-2:      #f5f0ed;
  --color-border:         #e0d5cd;
  --color-border-focus:   #c9a08a;
  --color-text:           #3d2e24;
  --color-text-muted:     #8a7568;
  --color-text-faint:     #b8a99e;
  --color-primary:        #b5706a;
  --color-primary-hover:  #9c5a54;
  --color-primary-light:  #f3e0de;
  --color-accent:         #d4a07a;
  --color-success:        #6b9a6b;
  --color-error:          #c25b5b;

  --shadow-sm: 0 1px 3px rgba(61, 46, 36, 0.06);
  --shadow-md: 0 4px 16px rgba(61, 46, 36, 0.08);
  --shadow-lg: 0 12px 40px rgba(61, 46, 36, 0.1);
}

/* ── Dark Mode ── */
[data-theme="dark"] {
  --color-bg:             #1c1816;
  --color-surface:        #262220;
  --color-surface-2:      #302b28;
  --color-border:         #4a413b;
  --color-border-focus:   #b5706a;
  --color-text:           #e5ddd8;
  --color-text-muted:     #a8998e;
  --color-text-faint:     #6b5f57;
  --color-primary:        #d4918b;
  --color-primary-hover:  #c07a74;
  --color-primary-light:  #3a2c2a;
  --color-accent:         #d4a07a;
  --color-success:        #7db87d;
  --color-error:          #d97777;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #1c1816;
    --color-surface:        #262220;
    --color-surface-2:      #302b28;
    --color-border:         #4a413b;
    --color-border-focus:   #b5706a;
    --color-text:           #e5ddd8;
    --color-text-muted:     #a8998e;
    --color-text-faint:     #6b5f57;
    --color-primary:        #d4918b;
    --color-primary-hover:  #c07a74;
    --color-primary-light:  #3a2c2a;
    --color-accent:         #d4a07a;
    --color-success:        #7db87d;
    --color-error:          #d97777;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
  }
}

/* ── Global ── */
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
}

.header-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo svg {
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: 0.02em;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ── Hero ── */
.hero {
  text-align: center;
  padding: clamp(var(--space-12), 8vw, var(--space-20)) var(--space-6);
  max-width: var(--content-default);
  margin: 0 auto;
}

.hero-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  font-weight: 400;
  font-style: italic;
}

.hero p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Progress Bar ── */
.progress-wrapper {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-8);
}

.progress-bar-track {
  height: 3px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0%;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ── Form Container ── */
.form-container {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-16);
}

/* ── Section/Step ── */
.form-section {
  display: none;
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-header {
  margin-bottom: var(--space-8);
}

.section-number {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  margin-bottom: var(--space-3);
}

.section-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Form Fields ── */
.field-group {
  margin-bottom: var(--space-8);
}

.field-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.field-group .hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

.field-group input[type="text"],
.field-group input[type="email"],
.field-group input[type="tel"],
.field-group input[type="url"],
.field-group input[type="number"],
.field-group textarea,
.field-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.field-group input:focus,
.field-group textarea:focus,
.field-group select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.field-group textarea {
  min-height: 120px;
  resize: vertical;
}

.field-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%238a7568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

/* ── Checkbox / Radio Groups ── */
.checkbox-group,
.radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
}

.checkbox-group label,
.radio-group label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 400;
  font-size: var(--text-sm);
  line-height: 1.4;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}

.checkbox-group label:hover,
.radio-group label:hover {
  border-color: var(--color-border-focus);
}

.checkbox-group input:checked + span,
.radio-group input:checked + span {
  color: var(--color-primary);
}

.checkbox-group label:has(input:checked),
.radio-group label:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.checkbox-group input,
.radio-group input {
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}

/* Two column layout for fields */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 600px) {
  .field-row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .checkbox-group,
  .radio-group {
    grid-template-columns: 1fr;
  }
}

/* ── Divider ── */
.form-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

/* ── Navigation Buttons ── */
.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn-submit {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-submit:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ── Success State ── */
.success-message {
  display: none;
  text-align: center;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-6);
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.success-message.active {
  display: block;
}

.success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  color: var(--color-success);
}

.success-message h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  margin-bottom: var(--space-4);
}

.success-message p {
  color: var(--color-text-muted);
  max-width: 48ch;
  margin: 0 auto;
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* ── Colour swatch preview ── */
.colour-examples label.colour-swatch {
  padding: var(--space-2);
  background: none;
  border: none;
  font-weight: 400;
  font-size: var(--text-xs);
  margin-bottom: 0;
}

.colour-examples label.colour-swatch:hover {
  background: none;
  border: none;
}

.colour-examples {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.colour-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}

.colour-swatch input[type="radio"] {
  display: none;
}

.swatch-circle {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  transition: all var(--transition-interactive);
}

.colour-swatch:hover .swatch-circle {
  transform: scale(1.1);
}

.colour-swatch input:checked ~ .swatch-circle {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.swatch-label {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* ── Optional field marker ── */
.optional {
  font-weight: 400;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

/* ── Required indicator ── */
.required {
  color: var(--color-primary);
}

/* ═══════════════════════════════════════
   ADMIN PANEL STYLES
   ═══════════════════════════════════════ */

.admin-container {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) var(--space-16);
}

.admin-login-card {
  max-width: 380px;
  margin: clamp(var(--space-12), 10vw, var(--space-24)) auto 0;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
  padding-top: var(--space-8);
}

/* Brief cards */
.brief-card {
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.brief-card:hover {
  border-color: var(--color-border-focus);
  box-shadow: var(--shadow-sm);
}

.brief-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.brief-card-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
}

.brief-card-person {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.brief-card-date {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}

.brief-status {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  flex-shrink: 0;
}

.admin-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-12) var(--space-6);
  font-size: var(--text-sm);
}

/* Detail view */
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 600px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

.detail-section {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.detail-section h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.detail-section p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.detail-section p strong {
  color: var(--color-text);
}

.detail-pre {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  background: var(--color-surface-2);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  white-space: pre-wrap;
  word-break: break-word;
  margin: var(--space-2) 0;
}

.status-select {
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
}

/* Prompt output */
.prompt-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: var(--text-xs);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 500px;
  overflow-y: auto;
  color: var(--color-text);
}