/* KORA Journal of Applied AI & Multidisciplinary Studies — site stylesheet */

/* ---- base: header, navigation, footer, home page ---- */
:root{
  --primary-blue:#1565A8;
  --deep-blue:#0E4C80;
  --secondary-blue:#1B7ACB;
  --accent-blue:#3FA9F5;
  --sky-blue:#56B5FE;
  --pale-blue:#EAF4FE;
  --light-bg:#f4f9ff;
  --text-dark:#1f2a37;
  --shadow-sm:0 2px 4px rgba(13,60,100,.07);
  --shadow-md:0 10px 15px -3px rgba(13,60,100,.12);
  --transition:all .3s ease;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:'Inter',-apple-system,'Helvetica Neue',Arial,sans-serif;
  background-color:var(--light-bg);
  color:var(--text-dark);
  line-height:1.6;
}
a{text-decoration:none;transition:var(--transition)}
img{display:block;max-width:100%}
:focus-visible{outline:3px solid var(--primary-blue);outline-offset:3px}
header :focus-visible,footer :focus-visible{outline-color:#fff}

/* ===== HEADER ===== */
header{
  background:linear-gradient(135deg,#3AA0EC 0%,var(--deep-blue) 100%);
  color:#fff;
  padding:40px 20px;
  text-align:center;
  border-bottom:4px solid var(--sky-blue);
}
header h1{
  margin:0;
  font-family:'Space Grotesk','Inter',Georgia,sans-serif;
  font-size:3rem;
  font-weight:700;
  letter-spacing:-.5px;
  line-height:1.12;
}
header > p{
  margin:10px 0 0;
  font-weight:400;
  letter-spacing:2px;
  text-transform:uppercase;
  font-size:.85rem;
  opacity:.92;
}
.header-logos{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:30px;
  margin:25px 0;
}
.logo-publisher{
  text-align:right;
  color:#fff;
  font-family:'Space Grotesk','Inter',sans-serif;
}
.logo-publisher .pub-name{
  display:block;
  font-size:1.4rem;
  font-weight:700;
  letter-spacing:-.2px;
  line-height:1.15;
}
.logo-publisher .pub-kr{
  display:block;
  font-size:.9rem;
  font-weight:600;
  opacity:.8;
  letter-spacing:.5px;
  margin-top:4px;
}
.logo-publisher .pub-tag{
  display:block;
  font-family:'Inter',sans-serif;
  font-size:.6rem;
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  opacity:.75;
  margin-top:8px;
}
.logo-divider{
  width:2px;
  height:80px;
  background-color:rgba(255,255,255,.35);
}
.logo-kjai-group{
  display:flex;
  flex-direction:row;
  align-items:center;
  gap:15px;
}
.logo-kjai{height:74px;width:auto}
.issn-text{
  font-size:.82rem;
  font-weight:700;
  color:rgba(255,255,255,.95);
  letter-spacing:1.5px;
  text-transform:uppercase;
  font-family:'Inter',sans-serif;
  border-left:2px solid rgba(255,255,255,.35);
  padding-left:15px;
  text-align:left;
  line-height:1.5;
}
.issn-text small{display:block;font-size:.62rem;font-weight:600;opacity:.8;letter-spacing:1px}

/* ===== NAVIGATION ===== */
nav{
  background-color:#fff;
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:var(--shadow-sm);
  width:100%;
}
.menu-toggle{
  display:none;
  flex-direction:column;
  cursor:pointer;
  padding:15px 20px;
  gap:5px;
  width:fit-content;
  background:none;
  border:0;
}
.menu-toggle span{
  display:block;
  width:25px;
  height:3px;
  background-color:var(--primary-blue);
  transition:var(--transition);
}
nav ul{
  list-style:none;
  margin:0 auto;
  padding:0;
  display:flex;
  justify-content:center;
  flex-wrap:nowrap;
  max-width:100%;
  width:fit-content;
}
nav ul li{position:relative;white-space:nowrap}
nav ul li a{
  display:block;
  padding:18px 15px;
  color:var(--text-dark);
  font-weight:600;
  font-size:.85rem;
}
nav ul li a:hover{color:var(--primary-blue)}
nav ul li > a::after{
  content:'';
  position:absolute;
  bottom:0;
  left:50%;
  width:0;
  height:3px;
  background:var(--accent-blue);
  transition:var(--transition);
  transform:translateX(-50%);
}
nav ul li > a:hover::after{width:100%}
nav ul li a.active-page{color:var(--primary-blue)}
nav ul li a.active-page::after{width:100%}

/* ===== CONTENT ===== */
.container{
  max-width:1100px;
  margin:40px auto;
  padding:0 20px;
  min-height:70vh;
}
.home-hero{
  max-width:1200px;
  margin:40px auto;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:50px;
  padding:0 20px;
}
.cover-container{flex:0 1 450px;min-width:0;perspective:1000px}

/* journal cover */
.cover-image{
  width:100%;
  aspect-ratio:1/1.36;
  background:#fff;
  border-radius:5px;
  box-shadow:0 20px 40px rgba(13,60,100,.25);
  transition:transform .4s ease;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border:1px solid #d9e8f7;
}
.cover-image:hover{transform:rotateY(-5deg) scale(1.02)}
.cover-top{
  background:linear-gradient(135deg,#3AA0EC 0%,var(--deep-blue) 100%);
  color:#fff;
  padding:16px 20px;
  text-align:center;
  border-bottom:3px solid var(--sky-blue);
}
.cover-top span{
  font-size:.58rem;
  font-weight:700;
  letter-spacing:2.5px;
  text-transform:uppercase;
  opacity:.95;
}
.cover-body{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:18px;
  padding:26px 30px;
  text-align:center;
}
.cover-body img{width:100%;max-width:300px}
.cover-rule{width:60px;height:2px;background:var(--sky-blue)}
.cover-vol{
  font-family:'Space Grotesk','Inter',sans-serif;
  font-size:1.15rem;
  font-weight:700;
  color:var(--primary-blue);
  line-height:1.35;
}
.cover-vol small{
  display:block;
  font-family:'Inter',sans-serif;
  font-size:.62rem;
  font-weight:600;
  letter-spacing:1.6px;
  text-transform:uppercase;
  color:#71879e;
  margin-top:6px;
}
.cover-bottom{
  background:var(--primary-blue);
  color:#fff;
  padding:14px 20px;
  text-align:center;
}
.cover-bottom span{
  font-size:.62rem;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
}

.hero-text{flex:1;max-width:600px}
.hero-text h1{
  color:var(--primary-blue);
  font-family:'Space Grotesk','Inter',Georgia,sans-serif;
  font-size:2.6rem;
  line-height:1.18;
  letter-spacing:-.5px;
  margin:0 0 20px;
}
.hero-text p{
  font-size:1.1rem;
  color:#4a5a6b;
  margin:0 0 18px;
  text-align:justify;
}
.cta-wrapper-horizontal{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:flex-start;
  margin-top:30px;
}
.btn-call-to-action,.btn-reviewer-action{max-width:100%}
.cfp-stack{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
}
.volume-info{
  font-size:.85rem;
  font-weight:600;
  color:var(--primary-blue);
  letter-spacing:.5px;
  margin-top:6px;
  text-align:center;
}
.submission-deadline{
  font-size:.78rem;
  font-weight:700;
  color:#0d5c8a;
  letter-spacing:.5px;
  text-transform:uppercase;
  text-align:center;
  background-color:var(--pale-blue);
  padding:4px 10px;
  border-radius:4px;
  border:1px dashed #90c8f2;
}
.btn-call-to-action{
  display:inline-block;
  padding:15px 25px;
  background-color:var(--primary-blue);
  color:#fff;
  border-radius:50px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:1px;
  box-shadow:0 10px 20px rgba(21,101,168,.18);
  transition:all .3s ease;
  width:270px;
  text-align:center;
  font-size:.9rem;
}
.btn-call-to-action:hover{
  background-color:var(--secondary-blue);
  transform:translateY(-3px);
  box-shadow:0 15px 25px rgba(21,101,168,.28);
}
.btn-reviewer-action{
  display:inline-block;
  padding:15px 25px;
  background-color:#fff;
  color:var(--primary-blue);
  border:2px solid var(--accent-blue);
  border-radius:50px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:1px;
  box-shadow:0 10px 20px rgba(13,60,100,.06);
  transition:all .3s ease;
  width:270px;
  text-align:center;
  font-size:.9rem;
}
.btn-reviewer-action:hover{
  background-color:var(--pale-blue);
  color:var(--deep-blue);
  border-color:var(--primary-blue);
  transform:translateY(-3px);
  box-shadow:0 15px 25px rgba(21,101,168,.14);
}

/* ===== FOOTER ===== */
footer{
  background-color:#0c2740;
  color:#c9dcec;
  padding:40px 20px;
  text-align:center;
  font-size:.9rem;
}
footer strong{color:#fff}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .home-hero{flex-direction:column;text-align:center;gap:36px}
  .cover-container{flex:0 0 auto;width:80%;max-width:350px}
  .hero-text{max-width:100%}
  .hero-text p{text-align:left}
  .cta-wrapper-horizontal{flex-direction:column;align-items:center;gap:25px}
}
/* ten nav items need ~1150px at full padding; tighten them so the horizontal
   bar fits from the moment the hamburger stops being used */
@media (min-width:1025px) and (max-width:1220px){
  nav ul li a{padding:18px 8px;font-size:.8rem}
}
@media (max-width:1024px){
  .menu-toggle{display:flex}
  nav ul{
    display:none;
    flex-direction:column;
    width:100%;
    background:#fff;
    border-top:1px solid #e6eef6;
  }
  nav ul.active{display:flex}
  nav ul li{width:100%}
  nav ul li a{padding:16px 20px;font-size:.85rem}
  nav ul li a::after{display:none}
  nav ul li a.active-page{
    background-color:var(--pale-blue);
    border-left:4px solid var(--primary-blue);
    padding-left:16px;
  }
}
@media (max-width:640px){
  /* below this width the cover's contents are taller than a 1:1.36 box, and
     overflow:hidden would crop the footer bar — let it size to its content */
  .cover-image{aspect-ratio:auto}
  .cover-body{padding:20px 18px;gap:14px}
  .cover-body img{max-width:250px}
  .cover-vol{font-size:1.05rem}
}
@media (max-width:768px){
  header h1{font-size:1.65rem}
  .header-logos{
    display:flex;
    flex-direction:row;
    justify-content:center;
    align-items:center;
    gap:15px;
    margin:20px 0;
    width:100%;
  }
  .logo-kjai{height:44px}
  .logo-publisher .pub-name{font-size:.95rem}
  .logo-publisher .pub-kr{font-size:.7rem}
  .logo-publisher .pub-tag{display:none}
  .logo-divider{height:40px;width:1px}
  .logo-kjai-group{gap:8px}
  .issn-text{font-size:.65rem;padding-left:8px;border-left-width:1px}
  .issn-text small{font-size:.55rem}
  .hero-text h1{font-size:2rem}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
  .cover-image:hover{transform:none}
}


/* ---- inner pages: sidebar, content, tables, panels ---- */
/* ===== shared inner-page layout ===== */
.journal-container{display:flex;gap:40px;padding:40px 20px;max-width:1200px;margin:0 auto}
.sidebar{flex:0 0 280px}
.menu-box{
  border:1px solid #dce9f5;border-radius:15px;padding:10px 0;background-color:#fff;
  margin-bottom:20px;overflow:hidden;box-shadow:0 4px 6px rgba(13,60,100,.05);position:sticky;top:80px;
}
.menu-item{
  padding:12px 20px;border-bottom:1px solid #eef5fb;color:#54657a;display:block;
  text-decoration:none;transition:all .2s ease;font-weight:500;font-size:15px;
  border-left:4px solid transparent;
}
.menu-box .menu-item:last-child{border-bottom:0}
.menu-item.active{background-color:var(--pale-blue);color:var(--primary-blue);border-left:4px solid var(--primary-blue);font-weight:700}
.menu-item:hover{background-color:#f6fbff;color:var(--primary-blue);padding-left:25px}
.main-content{flex:1;line-height:1.8;min-width:0}
.main-content h1{
  color:var(--primary-blue);border-bottom:2px solid var(--primary-blue);padding-bottom:10px;
  margin:0 0 30px;font-weight:700;font-size:28px;font-family:'Space Grotesk','Inter',Georgia,sans-serif;
  letter-spacing:-.4px;
}
.main-content h2{
  color:var(--primary-blue);font-size:1.3rem;border-left:4px solid var(--accent-blue);
  padding-left:15px;margin:38px 0 15px;font-weight:700;
}
.main-content h3{color:var(--deep-blue);font-size:16px;font-weight:700;margin:26px 0 10px}
.content-text{font-size:16px;margin-bottom:20px;text-align:justify;color:#333d4b}
.content-text strong{color:var(--primary-blue)}
.scope-list{list-style-type:none;padding-left:0;margin:0 0 22px}
.scope-list li{position:relative;padding-left:25px;margin-bottom:12px;font-size:15px;color:#445263;line-height:1.7}
.scope-list li::before{content:"•";color:var(--primary-blue);font-weight:bold;position:absolute;left:5px}
.highlight-box{
  background-color:#f6fbff;border-left:5px solid var(--primary-blue);padding:25px;
  margin:30px 0;border-radius:0 10px 10px 0;font-size:15.5px;color:#333d4b;line-height:1.75;
}
.highlight-box h3{margin-top:0}
.gold-box{background-color:var(--pale-blue);border-left:5px solid var(--accent-blue)}
.about-section{display:none}
.about-section.active{display:block;animation:fadeIn .25s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
a{color:var(--primary-blue)}
.main-content a:hover,.content-text a:hover{color:var(--deep-blue);text-decoration:underline}

/* tables */
.tbl-wrap{overflow-x:auto;margin:22px 0;border:1px solid #dce9f5;border-radius:10px}
table.data{border-collapse:collapse;width:100%;min-width:520px;font-size:15px;background:#fff}
table.data th{
  background:var(--pale-blue);color:var(--primary-blue);text-align:left;font-weight:700;font-size:13px;
  text-transform:uppercase;letter-spacing:.6px;padding:14px 16px;border-bottom:2px solid #cfe4f7;
}
table.data td{padding:13px 16px;border-bottom:1px solid #eef5fb;color:#445263;vertical-align:top;line-height:1.6}
table.data tr:last-child td{border-bottom:0}
table.data td:first-child{font-weight:600;color:#1f2a37}
.t-when{white-space:nowrap;color:var(--primary-blue);font-weight:600}
code{background:#eef5fb;border:1px solid #dce9f5;border-radius:4px;padding:1px 5px;font-size:.9em;color:var(--deep-blue)}

/* latex template block */
.tex-hero{
  display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:26px 0 10px;align-items:start;
}
.preview-fig{margin:0}
.preview-fig img{
  width:100%;border:1px solid #d5e6f5;border-radius:6px;
  box-shadow:0 12px 28px rgba(13,60,100,.16);background:#fff;
}
.preview-fig figcaption{
  font-size:13px;color:#6d8299;text-align:center;margin-top:10px;font-style:italic;
}
.dl-panel{
  border:1px solid #dce9f5;border-radius:12px;padding:24px;background:#fff;
  box-shadow:0 3px 8px rgba(13,60,100,.05);margin:26px 0;
}
.dl-panel h3{margin:0 0 6px;color:var(--primary-blue);font-size:18px}
.dl-file{
  display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--pale-blue);
  border:1px solid #d5e6f5;border-radius:8px;margin:16px 0;
}
.dl-file .ext{
  background:var(--primary-blue);color:#fff;font-size:11px;font-weight:700;letter-spacing:1px;
  padding:7px 10px;border-radius:4px;
}
.dl-file .meta{font-size:14px;color:#54657a;line-height:1.4}
.dl-file .meta b{display:block;color:#1f2a37;font-size:15px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.btn-copy{
  background:var(--primary-blue);color:#fff;border:0;border-radius:50px;padding:13px 26px;
  font-family:inherit;font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:1px;
  cursor:pointer;transition:all .3s ease;box-shadow:0 8px 18px rgba(21,101,168,.2);
}
.btn-copy:hover{background:var(--secondary-blue);transform:translateY(-2px)}
.btn-copy[data-done="1"]{background:#1d7a58}
.btn-outline{
  background:#fff;color:var(--primary-blue);border:2px solid var(--accent-blue);border-radius:50px;
  padding:11px 24px;font-family:inherit;font-weight:600;font-size:.85rem;text-transform:uppercase;
  letter-spacing:1px;cursor:pointer;transition:all .3s ease;
}
.btn-outline:hover{background:var(--pale-blue);border-color:var(--primary-blue)}
.src-wrap{margin-top:22px;border:1px solid #dce9f5;border-radius:10px;overflow:hidden}
.src-head{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:12px 16px;background:var(--pale-blue);border-bottom:1px solid #d5e6f5;
  font-size:13px;font-weight:600;color:var(--primary-blue);letter-spacing:.5px;
}
.src-head span{color:#6d8299;font-weight:500;letter-spacing:0}
pre.tex{
  margin:0;max-height:520px;overflow:auto;background:#fbfdff;padding:18px 20px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;
  line-height:1.65;white-space:pre;color:#2c3a4a;
}
.steps-num{counter-reset:st;margin:20px 0;padding:0;list-style:none}
.steps-num li{
  counter-increment:st;position:relative;padding-left:46px;margin-bottom:16px;
  font-size:15.5px;color:#445263;line-height:1.7;
}
.steps-num li::before{
  content:counter(st);position:absolute;left:0;top:1px;width:28px;height:28px;
  background:var(--primary-blue);color:#fff;border-radius:50%;display:flex;
  align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.status-note{
  display:inline-block;background:var(--pale-blue);border:1px dashed #90c8f2;color:#0d5c8a;
  font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;
  padding:5px 12px;border-radius:4px;margin-bottom:16px;
}

@media (max-width:1000px){.tex-hero{grid-template-columns:1fr}}
@media (max-width:850px){
  .journal-container{flex-direction:column;gap:24px}
  .sidebar{flex:1;width:100%}
  .menu-box{position:static}
  .content-text,.highlight-box{text-align:left}
}
@media (prefers-reduced-motion:reduce){.about-section.active{animation:none}.btn-copy:hover{transform:none}}


/* ---- download buttons (static site only) ---- */
.btn-dl{
  display:inline-block;background:var(--primary-blue);color:#fff;border:1px solid var(--primary-blue);
  border-radius:50px;padding:13px 26px;font-family:inherit;font-weight:600;font-size:.85rem;
  text-transform:uppercase;letter-spacing:1px;text-decoration:none;transition:all .3s ease;
  box-shadow:0 8px 18px rgba(21,101,168,.2);
}
.btn-dl:hover{background:var(--secondary-blue);border-color:var(--secondary-blue);transform:translateY(-2px);text-decoration:none;color:#fff}
.btn-dl-alt{
  display:inline-block;background:#fff;color:var(--primary-blue);border:2px solid var(--accent-blue);
  border-radius:50px;padding:11px 24px;font-family:inherit;font-weight:600;font-size:.85rem;
  text-transform:uppercase;letter-spacing:1px;text-decoration:none;transition:all .3s ease;
}
.btn-dl-alt:hover{background:var(--pale-blue);border-color:var(--primary-blue);text-decoration:none}
@media (prefers-reduced-motion:reduce){.btn-dl:hover{transform:none}}