/*
Theme Name: Archivio Storico
Theme URI: https://example.com/archivio-storico
Author: Archivio Storico
Author URI: https://example.com
Description: Tema per l'archivio storico di un giornale. Ricerca per parole chiave e per data, visualizzazione dei risultati con anteprima, titolo ed excerpt. Mobile-first.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: archivio-storico
Tags: news, archive, search, minimal, mobile-first
*/

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --color-bg:        #ffffff;
  --color-text:      #1a1a1a;
  --color-muted:     #6b6b6b;
  --color-border:    #e0ddd8;
  --color-accent:    #2F92CD;
  --color-accent-dk: #2F92CD;
  --color-surface:   #f7f5f2;
  --color-ink:       #0d0d0d;

  --font-serif: 'Crimson Text', 'Georgia', serif;
  --font-sans:  'Crimson Text', 'Georgia', serif;

  --radius:       3px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08);
  --shadow-md:    0 4px 16px rgba(0,0,0,.10);

  --max-width:    860px;
  --spacing:      1.5rem;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-accent); }

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  background: #fff;
  border-bottom: 3px solid var(--color-accent);
  padding: 0.9rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-logo {
  display: flex;
  justify-content: center;
}
.site-logo img {
  max-width: 80%;
  width: auto;
  display: block;
}

.site-logo-text {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .02em;
}

/* ============================================================
   TAGLINE STRIP
   ============================================================ */
.site-tagline {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  padding: 0.45rem 1.25rem;
  font-size: 0.72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-family: var(--font-sans);
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
.site-main {
  min-height: 70vh;
  padding-block: 3rem;
}

/* ============================================================
   HOME: HERO SEARCH
   ============================================================ */
.hero-search {
  text-align: center;
  margin-bottom: 3.5rem;
}

.hero-search__eyebrow {
  display: inline-block;
  font-size: 1.5rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.9rem;
  font-weight: 600;
}

.hero-search__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.hero-search__sub {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 2.5rem;
}

/* ============================================================
   SEARCH FORM
   ============================================================ */
.search-form-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  margin-inline: auto;
  box-shadow: var(--shadow-sm);
}

.search-form__row {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 580px) {
  .search-form__row--dates {
    grid-template-columns: 1fr 1fr;
  }
}

.search-form__group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.search-form__label {
  font-size: 0.7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 600;
}

.search-form__input,
.search-form__date {
  width: 100%;
  padding: 0.72rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
}

.search-form__input:focus,
.search-form__date:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184,0,31,.10);
}

.search-form__input::placeholder { color: #aaa; }

.search-form__divider {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-block: 0.25rem;
}

.search-form__divider::before,
.search-form__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.search-form__submit {
  width: 100%;
  padding: 0.85rem 1.5rem;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s, transform .1s;
  margin-top: 0.5rem;
}

.search-form__submit:hover {
  background: var(--color-accent-dk);
}

.search-form__submit:active {
  transform: scale(.98);
}

/* ============================================================
   SEARCH RESULTS PAGE
   ============================================================ */
.results-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  padding-bottom: 0.9rem;
  border-bottom: 2px solid var(--color-ink);
}

.results-header__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
}

.results-header__count {
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: .05em;
}

.results-header__query {
  color: var(--color-accent);
  font-style: italic;
}

/* Search form compact (on results page) */
.search-form-wrapper--compact {
  padding: 1.1rem 1.25rem;
  margin-bottom: 2.5rem;
}

/* ============================================================
   ARTICLE CARD (results list)
   ============================================================ */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.article-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: background .15s;
  align-items: start;
  text-decoration: none;
  color: inherit;
}

.article-card:first-child {
  border-top: 1px solid var(--color-border);
}

.article-card:hover {
  background: var(--color-surface);
  margin-inline: -1rem;
  padding-inline: 1rem;
}

.article-card__thumb {
  width: 72px;
  height: 56px;
  object-fit: cover;
  border-radius: 2px;
  background: var(--color-surface);
  flex-shrink: 0;
}

.article-card__thumb--placeholder {
  width: 72px;
  height: 56px;
  background: var(--color-border);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.article-card__thumb--placeholder svg {
  width: 24px;
  height: 24px;
  opacity: .3;
}

.article-card__body {}

.article-card__meta {
  font-size: 0.67rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.2rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.article-card__category {
  color: var(--color-accent);
  font-weight: 700;
}

.article-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.3rem;
  color: var(--color-ink);
}

.article-card:hover .article-card__title {
  color: var(--color-accent);
}

.article-card__excerpt {
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   NO RESULTS
   ============================================================ */
.no-results {
  text-align: center;
  padding: 4rem 1rem;
}

.no-results__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: .3;
}

.no-results__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.no-results__text {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding-inline: 0.5rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all .2s;
}

.pagination a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.pagination .current {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ============================================================
   SINGLE ARTICLE
   ============================================================ */
.article-hero {
  margin-bottom: 2rem;
}

.article-hero__image {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  align-items: center;
  font-size: 0.72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.article-meta__category {
  color: var(--color-accent);
  font-weight: 700;
  border: 1.5px solid var(--color-accent);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: 1rem;
}

.article-subtitle {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  font-style: italic;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.article-content {
  font-size: 1.25rem;
  line-height: 1.8;
  color: #222;
  margin-top: 3rem;
}

.article-content p { margin-bottom: 1.2em; }
.article-content h2 { font-family: var(--font-serif); font-size: 1.4rem; margin-block: 1.8rem 0.7rem; }
.article-content h3 { font-family: var(--font-serif); font-size: 1.2rem; margin-block: 1.5rem 0.6rem; }
.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: 1.2rem;
  margin-block: 1.5rem;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-muted);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 2rem;
  transition: color .2s;
}

.back-link:hover { color: var(--color-accent); }

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
  background: #fff;
  color: var(--color-ink);
  text-align: center;
  padding: 1.5rem 1.25rem;
  font-size: 0.75rem;
  letter-spacing: .06em;
  margin-top: 4rem;
  border-top: 3px solid var(--color-accent);
}

.site-footer a {
  color: var(--color-ink);
}

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

/* ============================================================
   UTILITY
   ============================================================ */
.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;
}

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (min-width: 640px) {
  .article-card {
    grid-template-columns: 88px 1fr;
  }
  .article-card__thumb,
  .article-card__thumb--placeholder {
    width: 88px;
    height: 68px;
  }
}