/* ==========================
   stylesheet.css
   Full responsive + mobile optimized styles
============================== */

/* Root theme variables */
:root{
  --bg:#f7f7f7;
  --card:#ffffff;
  --text:#222;
  --muted:#666;
  --accent:#2b6ef6;
  --shadow-mobile:0 4px 12px rgba(10,10,20,0.06);
  --shadow-modal:0 8px 30px rgba(0,0,0,0.25);
}

*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,Arial,Helvetica,sans-serif;
  line-height:1.5;
}

.container{max-width:900px;margin:auto;padding:24px}

/* Header */
.site-header{
  background:linear-gradient(90deg,#111 0%, #1b2530 100%);
  color:#fff;
  padding:18px 0;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 2px 8px rgba(0,0,0,0.15);
}
.header-row{display:flex;justify-content:space-between;align-items:center}
.brand h1{font-size:20px;margin:0}
.brand .tag{font-size:13px;color:rgba(255,255,255,0.8)}

.nav a{
  color:#fff;
  margin:0 10px;
  text-decoration:none;
  font-size:14px;
}
.nav a:hover{text-decoration:underline}

.btn{
  background:var(--accent);
  color:#fff;
  padding:12px 14px;
  border-radius:8px;
  text-decoration:none;
  border:0;
  cursor:pointer;
  display:inline-block;
  transition:transform .12s ease,opacity .12s ease;
}
.btn.outline{
  background:transparent;
  color:var(--text);
  border:1px solid rgba(0,0,0,0.1);
}
.small{padding:8px 10px;border-radius:8px}
.header-controls{display:flex;align-items:center;gap:12px}

/* Hero */
.hero{padding:60px 0;text-align:left}
.hero h2{font-size:28px;margin-bottom:10px}
.hero-sub{color:var(--muted);margin-bottom:16px}
.hero-actions a{margin-right:10px}

/* Cards */
.card{
  background:var(--card);
  border-radius:10px;
  padding:18px;
  box-shadow:var(--shadow-mobile);
  margin:20px 0;
}

/* Projects */
.project-list{display:grid;grid-template-columns:1fr;gap:14px}
.project{
  padding:16px;
  border-radius:8px;
  border:1px solid rgba(0,0,0,0.06);
  cursor:pointer;
  outline:none;
  transition:transform .12s ease,box-shadow .12s ease;
}
.project:focus{box-shadow:0 8px 20px rgba(43,110,246,0.15)}
.project h4{margin-bottom:6px}
.short{color:var(--muted);font-size:14px}

/* GitHub repos grid */
.repo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 12px;
}
@media(min-width:720px){
  .repo-grid { grid-template-columns: 1fr 1fr; }
}

.repo-card {
  background:var(--card);
  border:1px solid rgba(0,0,0,0.06);
  padding:14px;
  border-radius:8px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transition:transform .12s ease,box-shadow .12s ease;
}
.repo-card:hover { transform:translateY(-4px); box-shadow: 0 8px 20px rgba(0,0,0,0.06); }

.repo-title { font-weight:600; display:flex; justify-content:space-between; gap:8px; align-items:center; }
.repo-desc { color:var(--muted); font-size:14px; min-height:36px; }
.repo-meta { display:flex; gap:8px; flex-wrap:wrap; font-size:13px; color:var(--muted); }
.repo-meta .pill { background:#f1f5ff; padding:6px 8px; border-radius:16px; color:#1f3aa6; font-size:12px; }
.repo-links { margin-top:auto; display:flex; gap:8px; align-items:center; }
.repo-links a { text-decoration:none; font-size:14px; }


/* Modal */
.modal{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  z-index:200;
}
.modal[aria-hidden="false"]{display:flex}
.modal-overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.55);
}
.modal-panel{
  position:relative;
  max-width:900px;
  width:95%;
  z-index:10;
}
.modal-content{
  background:var(--card);
  border-radius:12px;
  overflow:hidden;
  display:flex;
  flex-direction:row;
  box-shadow:var(--shadow-modal);
}

.modal-left{
  flex:1;
  background:#f3f6fb;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:14px;
}
.modal-image-wrap{position:relative;width:100%;text-align:center}
.modal-image-wrap img{
  max-width:100%;
  max-height:60vh;
  border-radius:8px;
}
.modal-image-controls{
  position:absolute;
  bottom:12px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:8px;
}

.modal-right{
  flex:1;
  padding:20px;
}
.modal-actions{margin-top:18px;display:flex;gap:10px}
.modal-close{
  position:absolute;
  top:10px;
  right:12px;
  font-size:28px;
  background:transparent;
  border:0;
  cursor:pointer;
  color:var(--text);
}

/* Footer */
.site-footer{
  padding:22px;
  text-align:center;
  margin-top:30px;
  color:var(--muted);
}

/* Dark mode */
body.dark{
  --bg:#0b0f16;
  --card:#0f1720;
  --text:#e6eef8;
  --muted:#9fb0d1;
  --accent:#6ea6ff;
}

/* Responsive */
@media(min-width:720px){
  .project-list{grid-template-columns:1fr 1fr}
  .hero h2{font-size:34px}
  .modal-content{flex-direction:row}
}

@media(max-width:720px){
  .modal-content{flex-direction:column}
  .modal-left img{max-height:40vh}
}