/* =======================================================================
   রাজারামপুর সরফ উদ্দিন (এস.ইউ) উচ্চ বিদ্যালয় — মূল স্টাইলশীট
   Design tokens:
   Color   — Deep Blue #14477F, Bright Blue #2C6FC9, Signal Red #C4272B,
             Warm Paper #FBF7EF, Ink #1B2430, Gold (achievement) #B8860B
   Type    — Display: 'Baloo Da 2' (rounded Bangla display face)
             Body: 'Hind Siliguri' (Bangla body copy)
             Utility: 'Inter' (numbers, labels, admin UI)
   Motif   — the logo's sunburst-over-open-book is echoed as a radiating
             ray divider between sections ("jyoti-rekha")
   ======================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Baloo+Da+2:wght@500;600;700;800&family=Hind+Siliguri:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --blue-deep:#14477F;
  --blue:#2C6FC9;
  --blue-pale:#EAF1FC;
  --red:#C4272B;
  --red-pale:#FBEAEA;
  --paper:#FBF7EF;
  --paper-alt:#F3ECDD;
  --ink:#1B2430;
  --ink-soft:#4B5666;
  --gold:#B8860B;
  --line:#E6DFCC;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 8px 24px rgba(20,71,127,.08);
  --shadow-lg:0 16px 40px rgba(20,71,127,.14);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Hind Siliguri','Inter',sans-serif;
  font-size:16px;
  line-height:1.7;
}
h1,h2,h3,h4,.display{
  font-family:'Baloo Da 2','Hind Siliguri',sans-serif;
  color:var(--blue-deep);
  line-height:1.3;
  margin:0 0 .5em;
}
a{color:var(--blue);text-decoration:none;}
a:hover{color:var(--red);}
img{max-width:100%;display:block;}
.container{max-width:1160px;margin:0 auto;padding:0 20px;}
.container-narrow{max-width:820px;margin:0 auto;padding:0 20px;}

/* ---------- Ray divider (signature motif) ---------- */
.ray-divider{
  height:26px;
  background:
    repeating-conic-gradient(from 0deg, var(--red) 0deg 4deg, transparent 4deg 18deg);
  -webkit-mask-image: radial-gradient(circle at center, black 0 40%, transparent 42%);
          mask-image: radial-gradient(circle at center, black 0 40%, transparent 42%);
  opacity:.55;
  margin: 0 auto -6px;
  width:120px;
  transform: translateY(10px);
}
.section-title{
  text-align:center;
  position:relative;
  margin-bottom:34px;
}
.section-title .eyebrow{
  display:inline-block;
  font-family:'Inter',sans-serif;
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--red);
  font-weight:600;
  background:var(--red-pale);
  border-radius:999px;
  padding:5px 16px;
  margin-bottom:10px;
}
.section-title h2{font-size:clamp(24px,3.4vw,32px);margin:0;}
.section-title p{color:var(--ink-soft);margin-top:8px;font-size:15px;}

/* ---------- Top bar ---------- */
.topbar{
  background:var(--blue-deep);
  color:#dce8fb;
  font-size:13.5px;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:7px;padding-bottom:7px;flex-wrap:wrap;gap:6px;
}
.topbar a{color:#dce8fb;}
.topbar .est{color:#a9c4ea;}

/* ---------- Header / Nav ---------- */
.site-header{
  background:var(--white);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.header-inner{
  display:flex;align-items:center;gap:16px;
  padding:14px 0;
}
.brand{display:flex;align-items:center;gap:12px;flex:1;min-width:0;}
.brand img{width:56px;height:56px;border-radius:50%;flex-shrink:0;}
.brand-text h1{font-size:19px;margin:0;color:var(--blue-deep);}
.brand-text span{font-size:12.5px;color:var(--ink-soft);font-family:'Inter',sans-serif;}
.brand-text .en{display:block;font-size:11.5px;color:#8b93a1;}

.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.main-nav a{
  color:var(--ink);
  font-weight:600;
  font-size:14.5px;
  padding:9px 13px;
  border-radius:8px;
  white-space:nowrap;
}
.main-nav a:hover, .main-nav a.active{background:var(--blue-pale);color:var(--blue-deep);}
.btn-admin{
  background:var(--red);color:#fff !important;
  padding:9px 18px !important;border-radius:999px !important;
  font-weight:700 !important;
  box-shadow:0 4px 12px rgba(196,39,43,.28);
}
.btn-admin:hover{background:#a51f22;color:#fff !important;}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--blue-deep);cursor:pointer;}

/* ---------- Hero / Slider ---------- */
.hero-slider{position:relative;overflow:hidden;background:var(--blue-deep);}
.slide{
  position:relative;height:min(62vw,460px);min-height:260px;
  display:none;
}
.slide.active{display:block;}
.slide img{width:100%;height:100%;object-fit:cover;opacity:.85;}
.slide .caption{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(0deg, rgba(10,26,48,.88), rgba(10,26,48,0));
  color:#fff;padding:60px 24px 26px;text-align:center;
}
.slide .caption h3{color:#fff;font-size:clamp(18px,3vw,26px);margin:0;}
.slider-dots{
  position:absolute;bottom:14px;left:0;right:0;
  display:flex;justify-content:center;gap:8px;
}
.slider-dots button{
  width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.5);cursor:pointer;
}
.slider-dots button.active{background:var(--red);width:24px;border-radius:6px;}
.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(10,26,48,.4);color:#fff;border:none;
  width:38px;height:38px;border-radius:50%;font-size:18px;cursor:pointer;
}
.slider-arrow.prev{left:14px;}
.slider-arrow.next{right:14px;}
.slider-arrow:hover{background:var(--red);}

/* ---------- Quick stats strip ---------- */
.quick-strip{
  background:var(--white);
  border-bottom:1px solid var(--line);
  margin-top:-1px;
}
.quick-strip .container{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;
}
.quick-item{
  text-align:center;padding:20px 10px;border-left:1px solid var(--line);
}
.quick-item:first-child{border-left:none;}
.quick-item .num{font-family:'Baloo Da 2',sans-serif;font-size:26px;color:var(--red);font-weight:700;}
.quick-item .lbl{font-size:13px;color:var(--ink-soft);margin-top:2px;}

section{padding:52px 0;}
section.alt{background:var(--paper-alt);}

/* ---------- Cards ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s, box-shadow .18s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}

/* Notice list */
.notice-list{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);}
.notice-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 18px;border-bottom:1px solid var(--line);
}
.notice-item:last-child{border-bottom:none;}
.notice-date{
  flex-shrink:0;width:64px;text-align:center;
  background:var(--blue-pale);color:var(--blue-deep);
  border-radius:10px;padding:8px 4px;font-family:'Inter',sans-serif;
}
.notice-date .d{font-size:19px;font-weight:700;display:block;}
.notice-date .m{font-size:11px;display:block;}
.notice-item h4{margin:0 0 4px;font-size:16px;color:var(--ink);font-family:'Hind Siliguri',sans-serif;font-weight:700;}
.notice-item p{margin:0;font-size:13.5px;color:var(--ink-soft);}
.badge-important{
  display:inline-block;background:var(--red);color:#fff;font-size:11px;
  padding:2px 9px;border-radius:999px;margin-left:8px;font-family:'Inter',sans-serif;
  vertical-align:middle;
}

/* Person card (student/teacher) */
.person-card{text-align:center;padding-bottom:16px;}
.person-photo{
  width:100%;aspect-ratio:1/1;object-fit:cover;
  border-bottom:3px solid var(--red);
}
.person-card h4{margin:14px 0 2px;font-size:16px;color:var(--ink);}
.person-card .role{color:var(--blue);font-size:13.5px;font-weight:600;}
.person-card .meta{color:var(--ink-soft);font-size:12.5px;margin-top:2px;}

/* Top student ribbon card */
.top-card{position:relative;text-align:center;padding-bottom:18px;}
.top-card .rank{
  position:absolute;top:10px;left:10px;
  background:var(--gold);color:#fff;font-family:'Inter',sans-serif;font-weight:700;
  width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:14px;box-shadow:0 3px 8px rgba(0,0,0,.2);
}
.top-card .gpa{
  display:inline-block;margin-top:8px;background:var(--red-pale);color:var(--red);
  font-weight:700;padding:3px 14px;border-radius:999px;font-size:13px;
}

/* Result table */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;}
table{width:100%;border-collapse:collapse;font-size:14.5px;}
table th, table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
table th{background:var(--blue-deep);color:#fff;font-family:'Inter',sans-serif;font-weight:600;font-size:13px;}
table tr:last-child td{border-bottom:none;}
table tr:hover td{background:var(--blue-pale);}

/* Buttons & forms */
.btn{
  display:inline-block;background:var(--blue);color:#fff;padding:11px 22px;
  border-radius:9px;font-weight:600;border:none;cursor:pointer;font-size:14.5px;
  font-family:'Hind Siliguri',sans-serif;
}
.btn:hover{background:var(--blue-deep);color:#fff;}
.btn-red{background:var(--red);}
.btn-red:hover{background:#9d1f22;}
.btn-outline{background:transparent;color:var(--blue-deep);border:1.5px solid var(--blue-deep);}
.btn-outline:hover{background:var(--blue-deep);color:#fff;}
.btn-sm{padding:6px 14px;font-size:13px;border-radius:7px;}
.btn-block{width:100%;text-align:center;}

.form-group{margin-bottom:16px;}
.form-group label{display:block;font-weight:600;margin-bottom:6px;font-size:14px;color:var(--ink);}
.form-control{
  width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:9px;
  font-family:'Hind Siliguri',sans-serif;font-size:15px;background:#fff;color:var(--ink);
}
.form-control:focus{outline:none;border-color:var(--blue);}
textarea.form-control{resize:vertical;min-height:110px;}
.form-hint{font-size:12.5px;color:var(--ink-soft);margin-top:4px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px;font-size:14.5px;}
.alert-success{background:#e8f6ec;color:#1e7a37;border:1px solid #bfe6ca;}
.alert-error{background:var(--red-pale);color:var(--red);border:1px solid #f3c6c7;}
.alert-info{background:var(--blue-pale);color:var(--blue-deep);border:1px solid #cfe0f7;}

/* Filter bar */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;margin-bottom:26px;
}
.filter-bar select, .filter-bar input{
  padding:9px 12px;border:1.5px solid var(--line);border-radius:8px;font-family:'Hind Siliguri',sans-serif;
}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:30px;}
.pagination a, .pagination span{
  padding:8px 13px;border-radius:8px;border:1px solid var(--line);color:var(--ink);font-size:14px;
}
.pagination a:hover{background:var(--blue-pale);}
.pagination .active{background:var(--blue-deep);color:#fff;border-color:var(--blue-deep);}

/* Page hero (inner pages) */
.page-hero{
  background:linear-gradient(135deg, var(--blue-deep), #1c5c9e);
  color:#fff;padding:42px 0;text-align:center;position:relative;overflow:hidden;
}
.page-hero h1{color:#fff;font-size:clamp(24px,3.6vw,34px);}
.page-hero .crumb{color:#cfe0f7;font-size:13.5px;font-family:'Inter',sans-serif;}
.page-hero .crumb a{color:#fff;}

/* About / info page */
.info-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin-bottom:22px;box-shadow:var(--shadow);}
.info-block h3{border-left:4px solid var(--red);padding-left:12px;}
.motto-box{
  background:var(--paper-alt);border:1px dashed var(--gold);border-radius:var(--radius);
  padding:20px;text-align:center;font-family:'Baloo Da 2',sans-serif;font-size:19px;color:var(--blue-deep);
}

/* Footer */
footer{background:var(--blue-deep);color:#cfe0f7;padding:46px 0 18px;margin-top:20px;}
footer h4{color:#fff;font-size:16px;margin-bottom:14px;}
footer .grid-3{gap:30px;}
footer a{color:#cfe0f7;}
footer a:hover{color:#fff;}
footer ul{list-style:none;padding:0;margin:0;}
footer li{margin-bottom:8px;font-size:14px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);margin-top:32px;padding-top:16px;
  text-align:center;font-size:13px;color:#a9c4ea;
}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-logo img{width:44px;height:44px;border-radius:50%;}
.social-row{display:flex;gap:10px;margin-top:14px;}
.social-row a{
  width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.social-row a:hover{background:var(--red);}

.empty-state{text-align:center;padding:50px 20px;color:var(--ink-soft);}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .quick-strip .container{grid-template-columns:repeat(2,1fr);}
  .quick-item:nth-child(3){border-left:none;}
}
@media (max-width:760px){
  .main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;padding:10px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .main-nav.open{display:flex;}
  .nav-toggle{display:block;}
  .grid-2, .grid-3, .grid-4{grid-template-columns:repeat(2,1fr);}
  .form-row{grid-template-columns:1fr;}
  footer .grid-3{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .grid-2, .grid-3, .grid-4{grid-template-columns:1fr;}
  .brand-text h1{font-size:16px;}
  .quick-strip .container{grid-template-columns:repeat(2,1fr);}
}

/* ---------- Admin panel ---------- */
.admin-body{background:#F1F4F8;font-family:'Hind Siliguri','Inter',sans-serif;margin:0;}
.admin-wrap{display:flex;min-height:100vh;}
.admin-sidebar{
  width:250px;background:var(--blue-deep);color:#dce8fb;flex-shrink:0;
  padding:22px 0;
}
.admin-sidebar .brand{padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:14px;}
.admin-sidebar .brand h1{font-size:15px;color:#fff;margin:0;}
.admin-sidebar .brand img{width:42px;height:42px;}
.admin-sidebar a{
  display:flex;align-items:center;gap:10px;color:#cfe0f7;padding:11px 22px;font-size:14.5px;font-weight:600;
}
.admin-sidebar a:hover, .admin-sidebar a.active{background:rgba(255,255,255,.1);color:#fff;border-right:3px solid var(--red);}
.admin-main{flex:1;min-width:0;}
.admin-topbar{
  background:#fff;padding:14px 26px;display:flex;justify-content:space-between;align-items:center;
  border-bottom:1px solid #e2e6ee;position:sticky;top:0;z-index:10;
}
.admin-content{padding:26px;}
.admin-panel{background:#fff;border-radius:var(--radius);border:1px solid #e2e6ee;padding:22px 24px;margin-bottom:22px;}
.admin-panel h3{margin-top:0;}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px;}
.stat-card{
  background:#fff;border-radius:var(--radius);border:1px solid #e2e6ee;padding:20px;
  display:flex;align-items:center;gap:14px;
}
.stat-card .ic{
  width:48px;height:48px;border-radius:12px;background:var(--blue-pale);color:var(--blue-deep);
  display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;
}
.stat-card .num{font-size:22px;font-weight:700;font-family:'Inter',sans-serif;color:var(--ink);}
.stat-card .lbl{font-size:13px;color:var(--ink-soft);}
.admin-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:10px;}
.table-actions{display:flex;gap:6px;}
.login-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg, var(--blue-deep), #1c5c9e);padding:20px;
}
.login-box{background:#fff;border-radius:18px;padding:38px 34px;max-width:380px;width:100%;box-shadow:0 20px 50px rgba(0,0,0,.25);text-align:center;}
.login-box img{width:70px;height:70px;margin:0 auto 14px;}
.login-box h2{font-size:19px;}
@media (max-width:820px){
  .admin-sidebar{position:fixed;left:-260px;top:0;bottom:0;z-index:100;transition:left .2s;overflow-y:auto;}
  .admin-sidebar.open{left:0;}
  .stat-cards{grid-template-columns:repeat(2,1fr);}
  #sidebarToggle{display:block !important;}
}