/* ==========================================================================
   PRIASEHAT BLOG (PSB) - MINIMALIST PERSONAL EDITORIAL LIFESTYLE BLOG
   Scoped Design System Stylesheet (.psb-*)
   ========================================================================== */

:root {
  --psb-paper: #faf9f5;
  --psb-surface: #ffffff;
  --psb-text-dark: #1a1a1a;
  --psb-text-body: #2d3748;
  --psb-text-muted: #718096;
  --psb-terracotta: #ea580c;
  --psb-terracotta-dark: #c2410c;
  --psb-terracotta-soft: #fff7ed;
  --psb-border: #e7e5e4;
  --psb-border-subtle: #f5f5f4;
  --psb-font-serif: "Newsreader", "Lora", "Georgia", "Cambria", serif;
  --psb-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --psb-font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
  --psb-reading-width: 720px;
  --psb-container-width: 1080px;
}

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

body.psb-body {
  background-color: var(--psb-paper);
  color: var(--psb-text-body);
  font-family: var(--psb-font-sans);
  font-size: 17px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* Reading Progress Bar */
.psb-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--psb-terracotta);
  width: 0%;
  z-index: 1000;
  transition: width 0.1s ease;
}

/* Minimalist Blog Header */
.psb-blog-header {
  background: var(--psb-surface);
  border-bottom: 1px solid var(--psb-border);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 900;
}

.psb-header-inner {
  max-width: var(--psb-container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.psb-brand-logo {
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.psb-brand-title {
  font-family: var(--psb-font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--psb-text-dark);
  letter-spacing: -0.02em;
}

.psb-brand-dot {
  width: 8px;
  height: 8px;
  background: var(--psb-terracotta);
  border-radius: 50%;
  display: inline-block;
}

.psb-brand-tagline {
  font-size: 0.8rem;
  color: var(--psb-text-muted);
  margin-left: 0.5rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--psb-border);
}

.psb-nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.psb-nav-links a {
  color: var(--psb-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.psb-nav-links a:hover,
.psb-nav-links a.active {
  color: var(--psb-terracotta);
}

/* Main Article Container */
.psb-article-wrapper {
  max-width: var(--psb-reading-width);
  margin: 3.5rem auto 5rem;
  padding: 0 1.5rem;
}

.psb-article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--psb-font-mono);
  font-size: 0.8rem;
  color: var(--psb-terracotta-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.psb-headline {
  font-family: var(--psb-font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--psb-text-dark);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.psb-lead-paragraph {
  font-size: 1.15rem;
  line-height: 1.75;
  color: #4a5568;
  margin-bottom: 2rem;
}

/* Author Row */
.psb-author-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--psb-border);
  border-bottom: 1px solid var(--psb-border);
  margin-bottom: 2.5rem;
}

.psb-author-photo {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.psb-author-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--psb-text-dark);
}

.psb-author-info p {
  font-size: 0.8rem;
  color: var(--psb-text-muted);
}

/* Hero Media Box */
.psb-media-box {
  margin: 2.5rem 0;
  border-radius: 8px;
  overflow: hidden;
}

.psb-media-box img {
  width: 100%;
  height: auto;
  display: block;
}

.psb-media-caption {
  padding: 0.6rem 0;
  font-size: 0.85rem;
  color: var(--psb-text-muted);
  text-align: center;
  font-style: italic;
}

/* Article Content Typography */
.psb-content h2 {
  font-family: var(--psb-font-serif);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--psb-text-dark);
  margin: 2.75rem 0 1rem;
  line-height: 1.35;
}

.psb-content h3 {
  font-family: var(--psb-font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: #2d3748;
  margin: 2rem 0 0.75rem;
}

.psb-content p {
  margin-bottom: 1.5rem;
  color: var(--psb-text-body);
}

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

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

.psb-pullquote {
  border-left: 3px solid var(--psb-terracotta);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 2rem 0;
  font-family: var(--psb-font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--psb-text-dark);
  line-height: 1.6;
}

/* Interactive Morning Habit Checklist */
.psb-checklist-card {
  background: var(--psb-surface);
  border: 1px solid var(--psb-border);
  border-radius: 12px;
  padding: 2rem;
  margin: 3rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.psb-checklist-card h3 {
  font-family: var(--psb-font-serif);
  font-size: 1.35rem;
  color: var(--psb-text-dark);
  margin-bottom: 0.35rem;
}

.psb-checklist-card p {
  font-size: 0.9rem;
  color: var(--psb-text-muted);
  margin-bottom: 1.5rem;
}

.psb-habit-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: var(--psb-paper);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--psb-border);
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.psb-habit-item:hover {
  background: var(--psb-terracotta-soft);
  border-color: #fed7aa;
}

.psb-habit-item input[type="checkbox"] {
  margin-top: 0.3rem;
  width: 18px;
  height: 18px;
  accent-color: var(--psb-terracotta);
  cursor: pointer;
}

.psb-habit-text strong {
  display: block;
  font-size: 1rem;
  color: var(--psb-text-dark);
}

.psb-habit-text span {
  font-size: 0.88rem;
  color: var(--psb-text-muted);
}

.psb-habit-meter {
  background: #292524;
  color: #ffffff;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Interactive Hydration Estimator */
.psb-calc-box {
  background: #ffffff;
  border: 1px solid var(--psb-border);
  border-top: 4px solid var(--psb-terracotta);
  border-radius: 12px;
  padding: 2rem;
  margin: 3rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.psb-calc-box h3 {
  font-family: var(--psb-font-serif);
  font-size: 1.35rem;
  color: var(--psb-text-dark);
  margin-bottom: 0.35rem;
}

.psb-calc-box p {
  font-size: 0.9rem;
  color: var(--psb-text-muted);
  margin-bottom: 1.5rem;
}

.psb-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.psb-form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.psb-form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #4a5568;
}

.psb-input-control {
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--psb-border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: var(--psb-font-sans);
  background: var(--psb-paper);
}

.psb-input-control:focus {
  outline: none;
  border-color: var(--psb-terracotta);
  background: #ffffff;
}

.psb-btn-calc {
  background: var(--psb-terracotta);
  color: #ffffff;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  width: 100%;
  transition: background 0.15s ease;
}

.psb-btn-calc:hover {
  background: var(--psb-terracotta-dark);
}

.psb-calc-result-panel {
  display: none;
  margin-top: 1.5rem;
  background: var(--psb-terracotta-soft);
  border: 1px solid #fed7aa;
  border-radius: 8px;
  padding: 1.5rem;
}

/* Author Signature & Newsletter */
.psb-signature-card {
  background: var(--psb-surface);
  border: 1px solid var(--psb-border);
  border-radius: 12px;
  padding: 2rem;
  margin: 3.5rem 0;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.psb-newsletter-card {
  background: #1c1917;
  color: #ffffff;
  border-radius: 12px;
  padding: 2.25rem;
  margin: 3rem 0;
  text-align: center;
}

.psb-newsletter-card h3 {
  font-family: var(--psb-font-serif);
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
}

.psb-newsletter-card p {
  color: #a8a29e;
  font-size: 0.95rem;
  max-width: 500px;
  margin: 0 auto 1.5rem;
}

/* Minimalist Footer */
.psb-footer {
  background: var(--psb-surface);
  border-top: 1px solid var(--psb-border);
  padding: 3rem 0 2rem;
  font-size: 0.875rem;
}

.psb-footer-container {
  max-width: var(--psb-container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.psb-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.psb-footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--psb-text-dark);
  margin-bottom: 1rem;
}

.psb-footer-col p {
  color: var(--psb-text-muted);
  line-height: 1.6;
}

.psb-footer-col ul {
  list-style: none;
}

.psb-footer-col li {
  margin-bottom: 0.5rem;
}

.psb-footer-col a {
  color: var(--psb-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.psb-footer-col a:hover {
  color: var(--psb-terracotta);
}

.psb-footer-bottom {
  border-top: 1px solid var(--psb-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--psb-text-muted);
}

.psb-footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.psb-footer-links a {
  color: var(--psb-text-muted);
  text-decoration: none;
}

.psb-footer-links a:hover {
  color: var(--psb-terracotta);
}

/* Media Queries */
@media (max-width: 768px) {
  .psb-headline {
    font-size: 1.85rem;
  }
  .psb-form-grid {
    grid-template-columns: 1fr;
  }
  .psb-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .psb-brand-tagline {
    display: none;
  }
}

@media (max-width: 500px) {
  .psb-footer-grid {
    grid-template-columns: 1fr;
  }
}