/* ============================================================
   BPR — Body Performance Reset
   Shared Stylesheet
   body.baker-hq.com
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-bg-dark: #0f1923;
  --color-bg-content: #f5f0e8;
  --color-gold: #c9a84c;
  --color-gold-light: #e8c97a;
  --color-text-dark: #1a1a1a;
  --color-text-light: #f5f0e8;
  --color-text-muted: #8a8a8a;
  --color-border-gold: #c9a84c;
  --color-accent: #2c5f8a;
  --color-error: #c44c4c;
  --color-success: #4c8a5f;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --max-content: 680px;
  --max-page: 1200px;
  --nav-height: 64px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text-dark);
  background-color: var(--color-bg-content);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
textarea, input, select { font-family: inherit; }

/* --- Utility Classes --- */
.uppercase-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

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

/* --- Module Progress Bar --- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--color-gold);
  z-index: 1001;
  transition: width 0.4s ease;
}

/* --- Navigation --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg-dark);
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
}

.nav-inner {
  max-width: var(--max-page);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: var(--nav-height);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--color-text-light);
}

.nav-links a.active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.nav-links a .nav-check {
  color: var(--color-gold);
  font-size: 0.6rem;
  margin-left: 0.25rem;
}

.nav-auth-btn {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-bg-dark);
  background: var(--color-gold);
  border: none;
  padding: 0.4rem 1rem;
  transition: background 0.2s;
}

.nav-auth-btn:hover {
  background: var(--color-gold-light);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-gold);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Sections --- */
.hero {
  background: var(--color-bg-dark);
  padding: 5rem 2rem 4rem;
  text-align: center;
}

.hero-inner {
  max-width: var(--max-content);
  margin: 0 auto;
}

.hero .eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.hero h1 em {
  color: var(--color-gold);
  font-style: italic;
}

.hero .hero-body {
  color: rgba(245, 240, 232, 0.75);
  font-size: 1rem;
  line-height: 1.9;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero .hero-body p {
  margin-bottom: 1.25rem;
}

/* --- Content Sections --- */
.content-section {
  background: var(--color-bg-content);
  padding: 4rem 2rem;
}

.content-inner {
  max-width: var(--max-content);
  margin: 0 auto;
}

.content-inner h2 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 1.25rem;
  margin-top: 3rem;
}

.content-inner h2:first-child {
  margin-top: 0;
}

.content-inner p {
  margin-bottom: 1.25rem;
  color: var(--color-text-dark);
}

.content-inner p strong {
  font-weight: 600;
}

.content-inner ol,
.content-inner ul {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.content-inner li {
  margin-bottom: 0.5rem;
}

/* --- Reflection Boxes --- */
.reflection-box {
  background: var(--color-bg-content);
  border-left: 3px solid var(--color-border-gold);
  padding: 2rem 2rem 1.5rem;
  margin: 2.5rem 0;
  position: relative;
}

.reflection-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.reflection-prompt {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-text-dark);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.reflection-textarea {
  width: 100%;
  min-height: 140px;
  padding: 1rem;
  border: 1px solid #d4cfc4;
  background: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-dark);
  resize: vertical;
  transition: border-color 0.2s;
}

.reflection-textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}

.reflection-textarea::placeholder {
  color: var(--color-text-muted);
  font-style: italic;
  font-size: 0.9rem;
}

.reflection-save-status {
  font-size: 0.75rem;
  color: var(--color-gold);
  margin-top: 0.5rem;
  min-height: 1.2em;
  transition: opacity 0.3s;
}

.reflection-auth-prompt {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

.reflection-auth-prompt a {
  color: var(--color-gold);
  text-decoration: underline;
}

/* --- CTA Buttons --- */
.cta-btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--color-gold);
  color: var(--color-bg-dark);
  border: none;
  padding: 1rem 2.5rem;
  transition: background 0.2s, transform 0.1s;
  text-align: center;
}

.cta-btn:hover {
  background: var(--color-gold-light);
}

.cta-btn:active {
  transform: scale(0.98);
}

.cta-wrapper {
  text-align: center;
  margin: 3rem 0 1rem;
}

/* Secondary / outline button */
.cta-btn-outline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: transparent;
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
  padding: 0.85rem 2rem;
  transition: background 0.2s, color 0.2s;
}

.cta-btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-bg-dark);
}

/* --- Tool / Feature Cards --- */
.tool-card {
  border: 1px solid rgba(201, 168, 76, 0.35);
  padding: 2rem;
  margin: 2rem 0;
  background: #fff;
}

.tool-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text-dark);
}

.tool-card p {
  margin-bottom: 1rem;
  color: var(--color-text-dark);
}

.tool-card .card-link {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.tool-card .card-link:hover {
  border-bottom-color: var(--color-gold);
}

/* --- Split Selector Cards (Module 4) --- */
.split-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.split-card {
  border: 2px solid #d4cfc4;
  padding: 2rem;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #fff;
}

.split-card:hover {
  border-color: var(--color-gold);
}

.split-card.selected {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 1px var(--color-gold);
}

.split-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.split-card p {
  margin-bottom: 0.5rem;
}

.split-card .split-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- Calculator (Module 2) --- */
.calculator-box {
  background: #fff;
  border: 1px solid #d4cfc4;
  padding: 2.5rem;
  margin: 2rem 0;
}

.calculator-box h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #d4cfc4;
  background: var(--color-bg-content);
  font-size: 1rem;
  color: var(--color-text-dark);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-gold);
}

.calculator-results {
  background: var(--color-bg-dark);
  padding: 2rem;
  margin-top: 1.5rem;
  display: none;
}

.calculator-results.visible {
  display: block;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(245, 240, 232, 0.1);
}

.result-row:last-child {
  border-bottom: none;
}

.result-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.result-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-gold);
}

/* --- Dashboard --- */
.dashboard-header {
  background: var(--color-bg-dark);
  padding: 2.5rem 2rem 2rem;
}

.dashboard-header-inner {
  max-width: var(--max-page);
  margin: 0 auto;
}

.dashboard-header h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.dashboard-header .dashboard-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.dashboard-grid {
  max-width: var(--max-page);
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.dash-card {
  background: #fff;
  border: 1px solid #d4cfc4;
  padding: 2rem;
}

.dash-card h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #e8e3d9;
}

.dash-card.full-width {
  grid-column: 1 / -1;
}

.dash-card .form-group {
  margin-bottom: 1.25rem;
}

/* Weekly table */
.weekly-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.weekly-table th {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: left;
  padding: 0.6rem 0.5rem;
  border-bottom: 2px solid #e8e3d9;
}

.weekly-table td {
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid #f0ebe3;
}

.weekly-avg {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.weekly-avg .avg-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.weekly-avg .avg-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-gold);
}

.weight-indicator {
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--color-gold);
  background: rgba(201, 168, 76, 0.06);
}

/* Target display */
.target-display {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.target-item {
  flex: 1;
  text-align: center;
  padding: 1.5rem;
  background: var(--color-bg-content);
}

.target-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-gold);
  display: block;
}

.target-label-text {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Reflection progress */
.module-progress-list {
  list-style: none;
}

.module-progress-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f0ebe3;
}

.module-progress-item:last-child {
  border-bottom: none;
}

.module-progress-item a {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 0.9rem;
}

.module-progress-item a:hover {
  color: var(--color-gold);
}

.module-progress-item .progress-badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
}

.progress-badge.complete {
  color: var(--color-success);
}

.progress-badge.incomplete {
  color: var(--color-text-muted);
}

/* --- Auth Page --- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-dark);
  padding: 2rem;
}

.auth-container {
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-content);
  padding: 3rem;
}

.auth-container .auth-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
}

.auth-container .auth-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 2.5rem;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid #d4cfc4;
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.75rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.auth-tab.active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.auth-form .form-group {
  margin-bottom: 1.25rem;
}

.auth-form .form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 0.4rem;
}

.auth-form .form-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid #d4cfc4;
  background: #fff;
  font-size: 1rem;
  color: var(--color-text-dark);
}

.auth-form .form-group input:focus {
  outline: none;
  border-color: var(--color-gold);
}

.auth-error {
  background: rgba(196, 76, 76, 0.08);
  border-left: 3px solid var(--color-error);
  color: var(--color-error);
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  display: none;
}

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

.auth-forgot {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
}

.auth-forgot a {
  color: var(--color-gold);
  text-decoration: underline;
}

.auth-submit {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--color-gold);
  color: var(--color-bg-dark);
  border: none;
  padding: 1rem;
  transition: background 0.2s;
}

.auth-submit:hover {
  background: var(--color-gold-light);
}

.auth-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 25, 35, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--color-bg-content);
  padding: 2.5rem;
  width: 90%;
  max-width: 480px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
}

/* --- Download Buttons (Module 4) --- */
.download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border: 2px solid var(--color-gold);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  text-align: left;
  transition: background 0.2s, color 0.2s;
}

.download-btn:hover {
  background: var(--color-gold);
  color: var(--color-bg-dark);
}

.download-btn .icon {
  font-size: 1.25rem;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-bg-dark);
  padding: 2.5rem 2rem;
  text-align: center;
}

.site-footer p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.site-footer a {
  color: var(--color-gold);
  transition: color 0.2s;
}

.site-footer a:hover {
  color: var(--color-gold-light);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg-dark);
    flex-direction: column;
    padding: 1rem 2rem 2rem;
    border-bottom: 1px solid rgba(201, 168, 76, 0.15);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.75rem 0;
    font-size: 0.8rem;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-auth-btn {
    display: none;
  }

  .hero {
    padding: 3.5rem 1.5rem 3rem;
  }

  .hero h1 {
    font-size: 1.65rem;
  }

  .content-section {
    padding: 3rem 1.5rem;
  }

  .content-inner h2 {
    font-size: 1.4rem;
  }

  .reflection-box {
    padding: 1.5rem;
  }

  .target-display {
    flex-direction: column;
    gap: 1rem;
  }

  .split-cards {
    grid-template-columns: 1fr;
  }

  .auth-container {
    padding: 2rem 1.5rem;
  }

  .dashboard-grid {
    padding: 1.5rem;
    gap: 1.5rem;
  }

  .dash-card {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.4rem;
  }

  .cta-btn {
    width: 100%;
    padding: 1rem 1.5rem;
  }

  .weekly-table {
    font-size: 0.75rem;
  }

  .weekly-table th,
  .weekly-table td {
    padding: 0.5rem 0.3rem;
  }
}