/* Bresart Portfolio — frontend styles */
:root{
  --bg-image:none;
  --fg:#edeef2;
  --muted:#aab0bf;
  --accent:#d9b45b;        /* single refined gold accent (premium) */
  --ribbon:#d9b45b;
  --card-radius:12px;
  /* Fluid content width: follows the browser, with a gentle ceiling on ultrawide. */
  --maxw:min(2200px, 92vw);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Pretendard","Pretendard Variable",system-ui,-apple-system,sans-serif;
  color:var(--fg);
  min-height:100dvh;
  background:#12141c var(--bg-image) center/cover no-repeat fixed;
  position:relative;
  word-break:keep-all;               /* keep Korean words intact */
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* tabular numerals for years / counts */
.work-year,.year-tab,.tl-period,.tl-card-tag,.year-preview .yp-year,.year-preview .yp-count{
  font-variant-numeric:tabular-nums;
}
/* subtle film-grain texture overlay */
.noise{
  position:fixed; inset:0; z-index:60; pointer-events:none; opacity:.04;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.bg-overlay{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:linear-gradient(180deg,rgba(12,14,22,.55),rgba(12,14,22,.82) 60%,rgba(12,14,22,.95));
}
body>*{position:relative; z-index:1;}

/* header */
.site-header{
  display:flex; align-items:center; justify-content:space-between;
  padding:15px clamp(18px,4vw,48px);
  position:sticky; top:0; z-index:40; width:100%;
  background:rgba(13,15,23,.5);
  backdrop-filter:blur(16px) saturate(1.25);
  -webkit-backdrop-filter:blur(16px) saturate(1.25);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.brand{
  font-family:"Montserrat",sans-serif; font-weight:800; letter-spacing:2px;
  font-size:22px; color:var(--fg); text-decoration:none;
}
.top-nav a{
  color:var(--muted); text-decoration:none; margin-left:20px; font-size:14px;
  transition:color .15s;
}
.top-nav a:hover{color:var(--fg);}

/* main */
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 clamp(18px,4vw,48px) 120px;}
.page-title{
  font-family:"Montserrat",sans-serif; font-weight:800; letter-spacing:3px;
  font-size:clamp(26px,4vw,40px); margin:10px 0 26px;
}

/* year tabs */
.year-tabs{display:flex; gap:18px; flex-wrap:wrap; align-items:center; margin-bottom:18px;}
.year-tab{
  background:none; border:none; color:var(--muted); cursor:pointer;
  font-size:16px; font-weight:600; padding:4px 2px; position:relative;
  font-family:"Montserrat",sans-serif;
}
.year-tab.is-active{color:var(--fg);}
.year-tab.is-active::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px;
  background:var(--accent); border-radius:2px;
}

/* decade groups (hover to expand) */
.decade{position:relative; display:inline-block;}
.decade-caret{font-size:10px; margin-left:5px; opacity:.55; vertical-align:middle;}
.decade-pop{
  position:absolute; top:100%; left:0; padding:10px 6px 6px; margin-top:-4px;
  display:flex; flex-direction:column; gap:2px; min-width:100px; z-index:30;
  opacity:0; visibility:hidden; transform:translateY(-6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
.decade-pop::before{
  content:""; position:absolute; inset:8px 0 0; z-index:-1;
  background:rgba(18,20,28,.97); border:1px solid rgba(255,255,255,.12);
  border-radius:10px; box-shadow:0 16px 34px rgba(0,0,0,.45); backdrop-filter:blur(8px);
}
.decade:hover .decade-pop,.decade.is-open .decade-pop{opacity:1; visibility:visible; transform:none;}
.decade-pop .year-sub{text-align:center; white-space:nowrap; padding:6px 12px; font-size:14px;}
.decade-pop .year-sub.is-active::after{left:12px; right:12px;}
/* trailing "~" group: align its pulldown to the right so it stays on-screen */
.decade-end .decade-pop{left:auto; right:0;}
.decade-end .decade-caret{margin-left:4px;}
.year-tab:hover{color:var(--fg);}

/* year hover preview */
.year-preview{
  position:absolute; z-index:40; width:300px; max-width:86vw;
  background:rgba(18,20,28,.97); border:1px solid rgba(255,255,255,.12);
  border-radius:12px; padding:12px; box-shadow:0 18px 40px rgba(0,0,0,.5);
  backdrop-filter:blur(8px); pointer-events:none;
  opacity:0; visibility:hidden; transform:translateY(-6px);
  transition:opacity .16s ease, transform .16s ease, visibility .16s;
}
.year-preview.is-on{opacity:1; visibility:visible; transform:none;}
.year-preview .yp-head{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:9px;}
.year-preview .yp-year{font-family:"Montserrat",sans-serif; font-weight:800; color:var(--accent); font-size:16px;}
.year-preview .yp-count{color:var(--muted); font-size:12px;}
.year-preview .yp-thumbs{display:grid; grid-template-columns:repeat(3,1fr); gap:6px;}
.year-preview .yp-thumb{
  aspect-ratio:4/3; border-radius:6px; background:#232838 center/cover no-repeat;
  display:flex; align-items:flex-end;
}
.year-preview .yp-empty{color:var(--muted); font-size:13px; padding:6px 2px;}

/* category chips */
.cat-chips{display:flex; gap:9px; flex-wrap:wrap; margin-bottom:28px;}
.cat-chip{
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.08);
  color:var(--muted); border-radius:20px; padding:6px 15px; cursor:pointer;
  font-size:13px; transition:all .15s;
}
.cat-chip:hover{color:var(--fg);}
.cat-chip.is-active{background:#fff; color:#15171f; border-color:#fff; font-weight:600;}

/* grid */
.works-grid{
  display:grid; gap:16px;
  /* Columns grow/shrink with the viewport instead of a fixed count. */
  grid-template-columns:repeat(auto-fill, minmax(min(100%, 280px), 1fr));
}
.work-card{cursor:pointer; outline:none;}
.work-card.is-hidden{display:none;}
.work-card.is-featured{grid-column:span 2; grid-row:span 2;}
.work-thumb{
  position:relative; width:100%; aspect-ratio:4/3; border-radius:var(--card-radius);
  background:#232838 center/cover no-repeat;
  display:flex; align-items:center; justify-content:center; overflow:hidden;
  transition:transform .2s, box-shadow .2s;
}
.work-card.is-featured .work-thumb{aspect-ratio:1/1;}
.work-card:hover .work-thumb,.work-card:focus-visible .work-thumb{
  transform:translateY(-4px); box-shadow:0 12px 30px rgba(0,0,0,.45);
}
.thumb-ph{font-family:"Montserrat"; font-size:40px; font-weight:800; color:rgba(255,255,255,.25);}
.ribbon{
  position:absolute; top:0; left:0; background:var(--ribbon); color:#1a1205;
  font-size:11px; font-weight:800; letter-spacing:1px; padding:5px 12px;
  border-radius:var(--card-radius) 0 10px 0;
}
.work-meta{display:flex; gap:10px; align-items:center; margin:10px 2px 2px; font-size:12px;}
.work-year{color:var(--accent); font-weight:700; font-family:"Montserrat";}
.work-cat{color:var(--muted);}
.work-title{margin:2px 2px 0; font-size:15px; font-weight:500;}
.work-card.is-featured .work-title{font-size:19px;}

.empty-state{
  padding:60px 0; text-align:center; color:var(--muted);
}
.empty-state a{color:var(--accent); margin-left:8px;}

/* timeline view */
.works-grid[data-view="timeline"]{
  display:block; position:relative; margin-left:14px; padding-left:28px;
  border-left:2px solid rgba(255,255,255,.15);
}
.works-grid[data-view="timeline"] .work-card{
  display:grid; grid-template-columns:120px 1fr; gap:18px; align-items:center;
  grid-column:auto !important; grid-row:auto !important;
  padding:14px 0; position:relative;
}
.works-grid[data-view="timeline"] .work-card.is-hidden{display:none;}
.works-grid[data-view="timeline"] .work-card::before{
  content:""; position:absolute; left:-35px; top:50%; width:11px; height:11px;
  background:var(--accent); border-radius:50%; transform:translateY(-50%);
  box-shadow:0 0 0 4px rgba(127,176,255,.2);
}
.works-grid[data-view="timeline"] .work-thumb{aspect-ratio:4/3 !important;}
.works-grid[data-view="timeline"] .work-title{font-size:17px !important;}

/* view toggle */
.view-toggle{
  position:fixed; left:50%; bottom:26px; transform:translateX(-50%); z-index:5;
  background:rgba(0,0,0,.55); backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.12); border-radius:24px; padding:5px; display:flex; gap:4px;
}
.vt-btn{
  background:none; border:none; color:var(--muted); cursor:pointer;
  padding:7px 20px; border-radius:18px; font-size:13px; font-family:"Montserrat";
}
.vt-btn.is-active{background:#fff; color:#15171f; font-weight:600;}

/* footer */
.site-footer{
  display:flex; align-items:center; justify-content:center; gap:10px;
  padding:22px; font-size:12px; color:rgba(255,255,255,.42);
  border-top:1px solid rgba(255,255,255,.08);
}
.admin-dot{
  color:rgba(255,255,255,.14); text-decoration:none; font-size:16px; line-height:1;
  transition:color .2s; padding:2px 6px;
}
.admin-dot:hover{color:rgba(255,255,255,.5);}

/* modal */
.modal{position:fixed; inset:0; z-index:50; display:none;}
.modal.is-open{display:block;}
.modal-backdrop{position:absolute; inset:0; background:rgba(5,6,10,.8); backdrop-filter:blur(4px);}
.modal-box{
  position:relative; max-width:860px; width:calc(100% - 36px); max-height:88vh; overflow:auto;
  margin:6vh auto 0; background:#1a1d27; border:1px solid rgba(255,255,255,.1);
  border-radius:16px;
}
.modal-close{
  position:absolute; top:10px; right:14px; background:none; border:none; color:#fff;
  font-size:28px; cursor:pointer; line-height:1; z-index:2;
}
.modal-img{width:100%; aspect-ratio:16/9; background:#232838 center/cover no-repeat;}
.modal-text{padding:22px 26px 30px;}
.modal-meta{font-size:13px; color:var(--muted); margin-bottom:6px;}
.modal-meta #mYear{color:var(--accent); font-weight:700; font-family:"Montserrat"; margin-right:8px;}
.modal-text h2{margin:0 0 12px; font-size:24px;}
.modal-text p{color:#d4d8e2; line-height:1.7; white-space:pre-wrap;}

/* responsive */
@media(max-width:900px){
  .work-card.is-featured{grid-row:auto;}
  .work-card.is-featured .work-thumb{aspect-ratio:4/3;}
}
@media(max-width:560px){
  .work-card.is-featured{grid-column:auto;}
  .top-nav{display:none;}
  .works-grid[data-view="timeline"] .work-card{grid-template-columns:1fr;}
  .works-grid[data-view="timeline"] .work-thumb{max-width:none;}
}

/* ===== Supanova premium polish ===== */
/* balanced headlines (no orphan words) */
.page-title,.work-title,.tl-card-title,.modal-text h2{text-wrap:balance;}

/* spring motion + tactile active feedback */
.year-tab,.cat-chip,.vt-btn,.top-nav a,.admin-dot,.brand{
  transition:color .25s ease, background .25s ease, border-color .25s ease, transform .3s cubic-bezier(.16,1,.3,1);
}
.year-tab:active,.cat-chip:active,.vt-btn:active{transform:scale(.95);}
.work-card .work-thumb{transition:transform .45s cubic-bezier(.16,1,.3,1), box-shadow .45s ease;}
.work-card:active .work-thumb{transform:translateY(-2px) scale(.99);}
/* shadow tinted to the dark-blue background hue */
.work-card:hover .work-thumb,.work-card:focus-visible .work-thumb{box-shadow:0 18px 42px rgba(8,12,28,.6);}

/* scroll reveal (enabled by JS; no-JS keeps everything visible) */
body.reveal-on .work-card{opacity:0; transform:translateY(18px);}
body.reveal-on .work-card.is-visible{
  opacity:1; transform:none;
  transition:opacity .55s ease, transform .6s cubic-bezier(.16,1,.3,1);
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  body.reveal-on .work-card{opacity:1; transform:none;}
}

/* ===== ui-ux-pro-max polish: visible keyboard focus ===== */
.year-tab:focus-visible,.cat-chip:focus-visible,.vt-btn:focus-visible,
.top-nav a:focus-visible,.brand:focus-visible,.admin-dot:focus-visible,
.modal-close:focus-visible,.decade-btn:focus-visible{
  outline:2px solid var(--accent); outline-offset:3px; border-radius:8px;
}
.work-card:focus-visible{outline:2px solid var(--accent); outline-offset:4px; border-radius:16px;}

/* ===== ui-ux-pro-max: cross-page link to the apps hub (/app/) ===== */
.header-right{display:flex; align-items:center;}
.nav-apps{
  display:inline-flex; align-items:center; gap:5px; margin-left:22px;
  padding:7px 15px; border-radius:999px; white-space:nowrap;
  font-family:"Montserrat",sans-serif; font-weight:700; font-size:13px; letter-spacing:.4px;
  color:var(--accent); text-decoration:none;
  border:1px solid rgba(217,180,91,.45); background:rgba(217,180,91,.12);
  transition:color .2s ease, background .2s ease, border-color .2s ease, transform .3s cubic-bezier(.16,1,.3,1);
}
.nav-apps .apps-arrow{font-size:12px; transition:transform .2s ease;}
.nav-apps:hover,.nav-apps:focus-visible{background:var(--accent); color:#1a1205; border-color:var(--accent);}
.nav-apps:hover .apps-arrow{transform:translate(2px,-2px);}
.nav-apps:active{transform:scale(.95);}
.nav-apps:focus-visible{outline:2px solid var(--accent); outline-offset:3px;}
@media(max-width:560px){ .nav-apps{margin-left:0;} }