/* Mateo Frontend v4 — Documentary Archive UI */
:root {
  --v4-ink: #17212b;
  --v4-muted: #667085;
  --v4-line: #dfe4ea;
  --v4-paper: #ffffff;
  --v4-canvas: #f4f6f8;
  --v4-navy: #183b56;
  --v4-blue: #315f78;
  --v4-blue-soft: #eaf1f5;
  --v4-gold: #bd9650;
  --v4-gold-soft: #f8f2e6;
  --v4-danger: #9f3131;
  --v4-radius-sm: 10px;
  --v4-radius-md: 16px;
  --v4-radius-lg: 24px;
  --v4-shadow-sm: 0 1px 2px rgba(16,24,40,.04), 0 4px 14px rgba(16,24,40,.04);
  --v4-shadow-md: 0 14px 40px rgba(16,24,40,.10);
  --v4-shell: min(1440px, calc(100% - 48px));
}

.archive-v4 {
  margin: 0;
  color: var(--v4-ink);
  background: var(--v4-canvas);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.archive-v4 #main-content { background: var(--v4-canvas); }
.archive-v4 main { min-height: 100vh; }
.archive-v4 .content { width: var(--v4-shell); max-width: none; margin: 0 auto; padding: 32px 0 72px; }

/* Header */
.archive-v4 header {
  position: sticky;
  top: 0;
  z-index: 1100;
  border-bottom: 1px solid rgba(223,228,234,.9);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: none;
}
.archive-v4 .archive-nav-shell {
  width: var(--v4-shell);
  max-width: none;
  min-height: 74px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 30px;
  align-items: center;
}
.archive-v4 .archive-brand { display: inline-flex; align-items: center; gap: 11px; color: var(--v4-ink); text-decoration: none; }
.archive-v4 .archive-brand-mark {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  color: #fff; background: var(--v4-navy); font-size: .78rem; font-weight: 800; letter-spacing: .04em;
}
.archive-v4 .archive-brand-copy { display: grid; line-height: 1.15; }
.archive-v4 .archive-brand-copy strong { font-size: .92rem; }
.archive-v4 .archive-brand-copy small { margin-top: 3px; color: var(--v4-muted); font-size: .68rem; }
.archive-v4 header nav { justify-self: center; }
.archive-v4 header nav ul { display: flex; gap: 5px; margin: 0; padding: 4px; list-style: none; border-radius: 13px; background: #f3f5f7; }
.archive-v4 header nav a {
  display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 13px;
  color: #52606d; border-radius: 9px; text-decoration: none; font-size: .82rem; font-weight: 650;
}
.archive-v4 header nav a:hover { color: var(--v4-ink); background: rgba(255,255,255,.78); }
.archive-v4 header nav a.active { color: #fff; background: var(--v4-navy); box-shadow: 0 4px 12px rgba(24,59,86,.18); }
.archive-v4 .user-area { justify-self: end; }
.archive-v4 #user-profile { border-radius: 999px; }

/* Hero */
.archive-v4 .hero-secondary.hero-blog {
  position: relative;
  min-height: 520px;
  margin: 0;
  padding: 30px clamp(30px, 5vw, 74px) 42px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--v4-radius-lg);
  background-position: center 36%;
  box-shadow: var(--v4-shadow-md);
}
.archive-v4 .hero-secondary.hero-blog::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,25,38,.92) 0%, rgba(10,25,38,.75) 45%, rgba(10,25,38,.28) 74%, rgba(10,25,38,.18) 100%);
}
.archive-v4 .hero-secondary.hero-blog::after {
  content: ""; position: absolute; inset: auto 0 0; height: 45%;
  background: linear-gradient(0deg, rgba(10,25,38,.58), transparent);
}
.archive-v4 .archive-hero-topline,
.archive-v4 .hero-secondary-content { position: relative; z-index: 2; }
.archive-v4 .archive-hero-topline { display: flex; align-items: center; justify-content: space-between; }
.archive-v4 .btn-back,
.archive-v4 .archive-security-label {
  display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 0 12px;
  border: 1px solid rgba(255,255,255,.22); border-radius: 999px; color: rgba(255,255,255,.90);
  background: rgba(255,255,255,.10); backdrop-filter: blur(10px); font-size: .76rem; font-weight: 650;
}
.archive-v4 .btn-back { position: static; text-decoration: none; }
.archive-v4 .hero-secondary-content { max-width: 720px; margin: 100px 0 0; text-align: left; }
.archive-v4 .archive-kicker { display: inline-block; color: #ddc38d; font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.archive-v4 .hero-secondary h1 { margin: 12px 0 14px; color: #fff; font-size: clamp(3rem, 7vw, 5.8rem); line-height: .98; letter-spacing: -.055em; text-shadow: none; }
.archive-v4 .hero-blog-subtitle { max-width: 660px; margin: 0; color: rgba(255,255,255,.78); font-size: clamp(1rem, 1.7vw, 1.24rem); line-height: 1.65; }
.archive-v4 .archive-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.archive-v4 .archive-primary-action,
.archive-v4 .archive-secondary-action {
  display: inline-flex; align-items: center; gap: 9px; min-height: 44px; padding: 0 16px;
  border-radius: 10px; font: inherit; font-size: .82rem; font-weight: 750; cursor: pointer;
}
.archive-v4 .archive-primary-action { border: 1px solid #fff; color: var(--v4-navy); background: #fff; }
.archive-v4 .archive-secondary-action { border: 1px solid rgba(255,255,255,.30); color: #fff; background: rgba(255,255,255,.09); }
.archive-v4 .hero-blog-stats {
  position: relative; z-index: 2; width: fit-content; margin: 34px 0 0; padding: 13px 16px;
  display: flex; align-items: center; gap: 16px; border: 1px solid rgba(255,255,255,.20);
  border-radius: 12px; color: rgba(255,255,255,.76); background: rgba(8,24,36,.36); backdrop-filter: blur(12px);
}
.archive-v4 .hero-blog-stat { display: inline-flex; align-items: center; gap: 8px; font-size: .75rem; }
.archive-v4 .hero-blog-stat strong { color: #fff; font-size: .98rem; }
.archive-v4 .hero-blog-stat-separator { opacity: .4; }

/* Archive body */
.archive-v4 .progress-bar-container { width: 100%; height: 3px; margin: 26px 0 0; border-radius: 99px; background: #e7ebef; overflow: hidden; }
.archive-v4 .progress-bar { background: linear-gradient(90deg, var(--v4-gold), #dbc58f); }
.archive-v4 #blog-content-wrapper { margin-top: 30px; }
.archive-v4 .filter-buttons-container {
  padding: clamp(24px, 4vw, 42px); border: 1px solid var(--v4-line); border-radius: var(--v4-radius-lg);
  background: var(--v4-paper); box-shadow: var(--v4-shadow-sm);
}
.archive-v4 .archive-section-heading { display: grid; grid-template-columns: minmax(0,.9fr) minmax(320px,1.1fr); gap: 52px; align-items: end; }
.archive-v4 .archive-section-heading h2 { margin: 8px 0 0; max-width: 620px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08; letter-spacing: -.035em; color: var(--v4-ink); }
.archive-v4 .blog-editorial-intro { margin: 0; color: var(--v4-muted); font-size: .97rem; line-height: 1.85; }
.archive-v4 .archive-divider { margin: 30px 0 24px; border-top: 1px solid var(--v4-line); }
.archive-v4 #timeline-button-wrapper,
.archive-v4 #month-buttons-wrapper { gap: 8px; }
.archive-v4 .filter-buttons button,
.archive-v4 #timeline-button-wrapper button {
  min-height: 38px; padding: 0 14px; border: 1px solid var(--v4-line); border-radius: 9px;
  color: #536273; background: #fff; font-size: .78rem; font-weight: 700; box-shadow: none;
}
.archive-v4 .filter-buttons button:hover,
.archive-v4 #timeline-button-wrapper button:hover { border-color: #b9c6d0; color: var(--v4-navy); background: #f7f9fa; transform: none; }
.archive-v4 .filter-buttons button.active,
.archive-v4 #timeline-button-wrapper button.active { border-color: var(--v4-navy); color: #fff; background: var(--v4-navy); }

/* Timeline controls */
.archive-v4 #timeline-container { margin-top: 24px; padding: 24px; border: 1px solid var(--v4-line); border-radius: var(--v4-radius-lg); background: #fff; }
.archive-v4 .timeline-filters { display: flex; flex-wrap: wrap; gap: 7px; padding: 0 0 20px; border-bottom: 1px solid var(--v4-line); }
.archive-v4 .timeline-filter { min-height: 34px; padding: 0 12px; border: 1px solid transparent; border-radius: 999px; color: var(--v4-muted); background: #f4f6f8; font-size: .73rem; font-weight: 700; }
.archive-v4 .timeline-filter.active { color: var(--v4-navy); border-color: #c9d6df; background: var(--v4-blue-soft); }
.archive-v4 #professional-timeline { padding-top: 28px; }

/* Diary generated content: assert a consistent editorial surface */
.archive-v4 #blog-posts-container { margin-top: 24px; }
.archive-v4 #blog-posts-container .month-section,
.archive-v4 #blog-posts-container .year-group { border-radius: var(--v4-radius-lg); }
.archive-v4 #blog-posts-container .diary-post,
.archive-v4 #blog-posts-container article {
  border-color: var(--v4-line); border-radius: var(--v4-radius-md); box-shadow: var(--v4-shadow-sm);
}

/* Dialogs */
.archive-v4 .diary-reader-modal,
.archive-v4 .document-viewer,
.archive-v4 .case-folder-modal,
.archive-v4 .lightbox { backdrop-filter: blur(10px); }
.archive-v4 .diary-reader-shell,
.archive-v4 .document-viewer-shell,
.archive-v4 .case-folder-content { border-radius: 18px; box-shadow: 0 30px 80px rgba(10,25,38,.28); }

/* Footer */
.archive-v4 footer { width: var(--v4-shell); margin: 0 auto 28px; padding: 24px 0 0; border-top: 1px solid var(--v4-line); color: var(--v4-muted); background: transparent; text-align: left; font-size: .74rem; }
.archive-v4 footer p { margin: 4px 0; }

/* Responsive */
@media (max-width: 1020px) {
  :root { --v4-shell: min(100% - 28px, 960px); }
  .archive-v4 .archive-nav-shell { grid-template-columns: auto 1fr auto; gap: 12px; }
  .archive-v4 .archive-brand-copy { display: none; }
  .archive-v4 header nav a { padding: 0 10px; }
  .archive-v4 .archive-section-heading { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 760px) {
  :root { --v4-shell: calc(100% - 20px); }
  .archive-v4 .content { padding-top: 14px; }
  .archive-v4 .archive-nav-shell { min-height: 62px; grid-template-columns: auto 1fr; }
  .archive-v4 header nav { overflow-x: auto; justify-self: stretch; }
  .archive-v4 header nav ul { width: max-content; }
  .archive-v4 header nav a span { display: none; }
  .archive-v4 .user-area { display: none; }
  .archive-v4 .hero-secondary.hero-blog { min-height: 520px; padding: 20px; border-radius: 18px; }
  .archive-v4 .archive-security-label { display: none; }
  .archive-v4 .hero-secondary-content { margin-top: 84px; }
  .archive-v4 .hero-secondary h1 { font-size: clamp(2.75rem, 17vw, 4.4rem); }
  .archive-v4 .archive-hero-actions { flex-direction: column; align-items: stretch; }
  .archive-v4 .archive-primary-action, .archive-v4 .archive-secondary-action { justify-content: center; }
  .archive-v4 .hero-blog-stats { width: 100%; flex-wrap: wrap; }
  .archive-v4 .hero-blog-stat-separator { display: none; }
  .archive-v4 .filter-buttons-container, .archive-v4 #timeline-container { padding: 20px; border-radius: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .archive-v4 *, .archive-v4 *::before, .archive-v4 *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}