/* ================================================
   DEVLOG — style.css (Versione Integrata)
   Sistema di design: editoriale tecnico, notebook
   Palette: quasi-nero + verde (Dark) / carta + inchiostro (Light)
   Syntax: Arancio vibrante per keyword e tag
   ================================================ */

/* ------------------------------------------------
   0. IMPORT FONT
   ------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

/* ------------------------------------------------
   1. CSS VARIABLES — TEMI
   ------------------------------------------------ */
:root,
[data-theme="dark"] {
  --bg-primary:      #0d0f0e;
  --bg-secondary:    #141716;
  --bg-tertiary:     #1c201e;
  --border-color:    #2a2f2c;
  --text-primary:    #e8ede9;
  --text-secondary:  #9aab9d;
  --text-muted:      #5a6b5d;
  --accent-color:    #4dff91;      /* verde fosforescente */
  --accent-dim:      #1a4d30;
  --accent-hover:    #80ffb3;
  --tag-bg:          #1a2e1f;
  --tag-color:       #4dff91;
  --code-bg:         #111511;
  --shadow-soft:     0 2px 16px rgba(0,0,0,0.5);
  --shadow-hover:    0 6px 32px rgba(0,0,0,0.7);
  --header-bg:       rgba(13,15,14,0.92);

  /* Syntax Highlighting Dark */
  --code-keyword:    #ff9800;      /* Arancio */
  --code-string:     #ce9178;      /* Sabbia */
  --code-comment:    #6a9955;      /* Verde commenti */
  --code-fn:         #dcdcaa;      /* Giallo funzioni */
}

[data-theme="light"] {
  --bg-primary:      #f5f0e8;      /* carta invecchiata */
  --bg-secondary:    #ffffff;
  --bg-tertiary:     #edeae3;
  --border-color:    #d4cfc6;
  --text-primary:    #1a1c1a;
  --text-secondary:  #4a4f4a;
  --text-muted:      #8a8f8a;
  --accent-color:    #1a6e3c;      /* verde inchiostro */
  --accent-dim:      #d4edd9;
  --accent-hover:    #0e4a28;
  --tag-bg:          #d4edd9;
  --tag-color:       #1a6e3c;
  --code-bg:         #ede9e0;
  --shadow-soft:     0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover:    0 6px 24px rgba(0,0,0,0.14);
  --header-bg:       rgba(245,240,232,0.92);

  /* Syntax Highlighting Light */
  --code-keyword:    #d35400;      /* Arancio scuro per contrasto */
  --code-string:     #a31515;
  --code-comment:    #008000;
  --code-fn:         #795e26;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Lora', Georgia, serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a { color: var(--accent-color); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }

/* ------------------------------------------------
   3. HEADER / TOOLBAR
   ------------------------------------------------ */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  cursor: pointer;
  text-transform: uppercase;
}

.logo span { color: var(--accent-color); }

.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--accent-dim);
  border-color: var(--accent-color);
  transform: scale(1.05);
}

/* ------------------------------------------------
   4. LAYOUTS (GRID)
   ------------------------------------------------ */
.main-layout-container,
.post-container {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  max-width: 1200px;
  margin: 48px auto;
  padding: 0 32px;
  align-items: start;
}

.post-container { grid-template-areas: "content sidebar"; }

/* ------------------------------------------------
   5. SEARCH & POST GRID (Home)
   ------------------------------------------------ */
#search-bar {
  width: 100%;
  padding: 12px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  outline: none;
}

#search-bar:focus { border-color: var(--accent-color); box-shadow: 0 0 0 3px var(--accent-dim); }

.post-item { padding: 28px 0; border-bottom: 1px solid var(--border-color); transition: padding-left 0.2s ease; }
.post-item:hover { padding-left: 8px; }

.post-meta { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--accent-color); text-transform: uppercase; margin-bottom: 10px; }
.post-title { font-size: 1.3rem; font-weight: 600; margin-bottom: 10px; }
.post-title a { color: var(--text-primary); }
.autore span { font-size: 15px; }
.post-sintesi { font-size: 0.9rem; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ------------------------------------------------
   6. SIDEBAR & TAGS
   ------------------------------------------------ */
.sidebar-box { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 12px; padding: 24px; margin-bottom: 20px; box-shadow: var(--shadow-soft); }
.box-label { display: block; font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; padding-bottom: 12px; border-bottom: 1px solid var(--border-color); margin-bottom: 16px; }

.tag-btn { width: 100%; text-align: left; padding: 8px 12px; font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--text-secondary); background: transparent; border-radius: 6px; cursor: pointer; border: 1px solid transparent; }
.tag-btn.active { background: var(--accent-dim); color: var(--accent-color); border-color: var(--accent-color); }

/* ------------------------------------------------
   7. POST DETAIL & ARTICLES
   ------------------------------------------------ */
.post-content { grid-area: content; min-width: 0; }
.post-sidebar { grid-area: sidebar; position: sticky; top: 80px; }

.post-breadcrumb { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; margin-bottom: 32px; color: var(--text-muted); }

.post-tag-chip, .sidebar-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; padding: 4px 10px; border-radius: 4px; background: var(--tag-bg); color: var(--tag-color); border: 1px solid var(--accent-dim); text-transform: uppercase; }

.pdf-link { display: inline-flex; align-items: center; gap: 8px; font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; padding: 8px 16px; background: var(--accent-dim); color: var(--accent-color); border: 1px solid var(--accent-color); border-radius: 6px; text-transform: uppercase; }

/* ------------------------------------------------
   7b. FONTE ORIGINALE — inline (fondo articolo) + sidebar
   ------------------------------------------------ */

/* Riga "Fonte originale: <url>" in fondo al corpo dell'articolo.
   Uso baseline per allineare label e link anche se il link va a capo. */
.post-source-link {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.source-link-label {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.source-link-label::after { content: ":"; }

.source-link-anchor {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--text-secondary);
  text-decoration: none;
  word-break: break-all;
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

.source-link-anchor:hover { color: var(--accent-hover); text-decoration: underline; }

.source-link-anchor svg,
.sidebar-source-anchor svg { flex-shrink: 0; position: relative; top: 1px; }

/* Box fonte nella sidebar: sfondo accent-dim per distinguerlo dal box tag
   senza introdurre colori fuori palette. */
.sidebar-box.source-box {
  background: var(--accent-dim);
  border-left: 3px solid var(--accent-color);
}

.sidebar-source-anchor {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--accent-color);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.5rem 0.25rem;
  border-radius: 4px;
  transition: color 0.2s ease, background 0.2s ease;
}

.sidebar-source-anchor:hover {
  color: var(--accent-hover);
  background: transparent;
  text-decoration: none;
}

/* ------------------------------------------------
   8. CORPO ARTICOLO (Markdown)
   ------------------------------------------------ */
.post-article-body { font-size: 1rem; line-height: 1.8; color: var(--text-primary); }
.post-article-body h2 { font-size: 1.35rem; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; margin-top: 2.2em; margin-bottom: 0.7em; }
.post-article-body p { margin-bottom: 1.2em; color: var(--text-secondary); }

.post-article-body code { font-family: 'JetBrains Mono', monospace; font-size: 0.82em; background: var(--code-bg); color: var(--accent-color); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border-color); }

/* --- BLOCCHI DI CODICE (ROUGE) --- */
.post-article-body .highlight {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-color);
  border-radius: 10px;
  padding: 20px;
  margin: 1.6em 0;
  overflow-x: auto;
  box-shadow: var(--shadow-soft);
}

.post-article-body pre { margin: 0; padding: 0; background: transparent; border: none; }

.post-article-body pre code[class*="language-"] {
    display: block;
    background: var(--code-bg);
    color: var(--text-primary);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 3px solid var(--accent-color);
    white-space: pre-wrap; /* Fondamentale per i ritorni a capo */
    font-family: 'JetBrains Mono', monospace;
}

.post-article-body pre code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.6;
  background: transparent;
  padding: 0;
}

/* Colorazione Arancio (Keyword, Tags HTML, Thymeleaf) */
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kp, 
.highlight .kr, .highlight .kt, .highlight .o, .highlight .nt {
  color: var(--code-keyword) !important;
  font-weight: 600;
}

/* Stringhe */
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb { color: var(--code-string); }

/* Commenti */
.highlight .c, .highlight .c1, .highlight .cm { color: var(--code-comment); font-style: italic; }

/* Nomi Funzioni e Metodi */
.highlight .nf, .highlight .fm { color: var(--code-fn); }

/* Classi */
.highlight .nc, .highlight .nn { color: #4ec9b0; }

/* Attributi HTML/Thymeleaf */
.highlight .na { color: #9cdcfe; }

/* Numeri di riga */
.post-article-body .rouge-gutter {
  width: 30px;
  padding-right: 15px;
  color: var(--text-muted);
  text-align: right;
  user-select: none;
  border-right: 1px solid var(--border-color);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
}
.post-article-body .rouge-code { padding-left: 15px; }

/* Forza l'arancio sulle parole chiave anche se il parser fallisce 
   ma l'attributo class è presente */
[class*="language-"] {
    color: var(--text-primary);
}

/* Se Rouge non ha generato gli span, purtroppo non possiamo colorare 
   le singole parole. Ma se le genera con classi diverse, questo risolve: */
pre[class*="language-"] .k, 
pre[class*="language-"] .kd, 
.language-thymeleaf .k {
    color: var(--code-keyword) !important;
}

/* ------------------------------------------------
   9. FOOTER & RESPONSIVE
   ------------------------------------------------ */
.main-footer { border-top: 1px solid var(--border-color); padding: 24px 32px; margin-top: 80px; font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--text-muted); text-align: center; }

@media (max-width: 992px) {
  .main-layout-container, .post-container { grid-template-columns: 1fr; grid-template-areas: none; }
  .main-sidebar, .post-sidebar { position: static; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
}

@media (max-width: 600px) {
  .main-header { padding: 0 20px; }
  .post-article-body pre { font-size: 0.75rem; padding: 14px 16px; }
}