*{margin:0;padding:0;box-sizing:border-box;}
:root{--primary:#1b5e20;--accent:#f57f17;--bg:#f0f4f0;--card:#fff;--border:#e2e8e2;--text:#1e2d1e;--muted:#5a7a5a;}
body{font-family:'Noto Sans',sans-serif;background:var(--bg);color:var(--text);font-size:14px;}
h1,h2,h3,button,.badge{font-family:'Baloo 2',sans-serif;}

/* LOGIN */
#loginScreen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1b5e20,#2e7d32,#f57f17);}

html.fya-has-session #loginScreen{display:none}
html.fya-has-session #mainApp{display:flex}
.login-card{background:#fff;border-radius:20px;padding:36px 28px;width:310px;box-shadow:0 20px 60px rgba(0,0,0,0.2);}
.login-logo{text-align:center;margin-bottom:20px;}
.login-logo .icon{width:60px;height:60px;background:linear-gradient(135deg,#1b5e20,#f57f17);border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-size:26px;color:#fff;}
.login-logo h2{font-size:17px;color:#1b5e20;font-weight:800;}
.login-logo p{font-size:11px;color:var(--muted);}
.form-group{margin-bottom:12px;}
.form-group label{display:block;font-size:11px;font-weight:700;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:0.5px;}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:9px 12px;border:1.5px solid var(--border);border-radius:9px;font-size:13px;font-family:'Noto Sans',sans-serif;outline:none;transition:border-color 0.2s;}
.form-group input:focus{border-color:var(--primary);}
.btn{padding:9px 16px;border-radius:9px;border:1.5px solid var(--border);font-family:'Baloo 2',sans-serif;font-size:13px;font-weight:700;cursor:pointer;transition:all 0.2s;display:inline-flex;align-items:center;gap:6px;background:#fff;color:var(--text);}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-success{background:#16a34a;color:#fff;border-color:#16a34a;}
.btn-danger{background:#dc2626;color:#fff;border-color:#dc2626;}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:7px;}
.btn-full{width:100%;justify-content:center;}
#loginErr{display:none;color:#dc2626;font-size:12px;text-align:center;margin-top:8px;}

/* APP */
#mainApp{display:none;min-height:100vh;flex-direction:column;}
.topbar{background:linear-gradient(135deg,#1b5e20,#2e7d32);padding:0 16px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;}
.topbar-left{display:flex;align-items:center;gap:10px;}
.topbar h2{font-size:16px;font-weight:800;color:#fff;}
.profile-btn{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;cursor:pointer;border:2px solid rgba(255,255,255,0.3);overflow:hidden;font-size:15px;}
.profile-btn img{width:100%;height:100%;object-fit:cover;border-radius:50%;}
.ibtn{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,0.15);border:none;color:#fff;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;}

/* BOTTOM NAV */
.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);display:flex;z-index:50;box-shadow:0 -2px 10px rgba(0,0,0,0.08);}
.bnav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 4px;cursor:pointer;color:var(--muted);font-size:10px;font-weight:600;border:none;background:none;font-family:'Baloo 2',sans-serif;gap:2px;}
.bnav-item i{font-size:18px;}
.bnav-item.active{color:var(--primary);}
.bnav-item.active i{color:var(--primary);}

/* PAGES */
.page-content{display:none;padding:12px;padding-bottom:80px;overflow-x:hidden;}
.page-content.active{display:block;}

/* CARDS */
.card{background:var(--card);border-radius:12px;padding:14px;border:1px solid var(--border);margin-bottom:12px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
.stat-card{background:var(--card);border-radius:12px;padding:12px;border:1px solid var(--border);text-align:center;}
.stat-val{font-size:22px;font-weight:800;color:var(--primary);}
.stat-lbl{font-size:11px;color:var(--muted);}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.section-header h3{font-size:16px;font-weight:800;color:var(--primary);}

/* TABLE */
.table-wrap{overflow-x:auto;border-radius:10px;border:1px solid var(--border);}
table{width:100%;border-collapse:collapse;background:#fff;}
thead th{background:#f0f4f0;padding:8px 12px;text-align:left;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;border-bottom:1px solid var(--border);}
tbody td{padding:8px 12px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;}

/* BADGE */
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:700;}
.badge-blue{background:#dbeafe;color:#1d4ed8;}
.badge-green{background:#dcfce7;color:#15803d;}
.badge-red{background:#fee2e2;color:#dc2626;}
.badge-yellow{background:#fef9c3;color:#854d0e;}

/* ATT BUTTONS */
.att-btn{width:34px;height:34px;border-radius:7px;border:2px solid var(--border);background:#fff;font-weight:800;font-size:12px;cursor:pointer;transition:all 0.2s;}
.att-btn.P{background:#dcfce7;border-color:#16a34a;color:#16a34a;}
.att-btn.A{background:#fee2e2;border-color:#dc2626;color:#dc2626;}
.att-btn.L{background:#fef9c3;border-color:#f59e0b;color:#854d0e;}

/* MSG */
.mi{display:flex;align-items:flex-start;gap:8px;margin-bottom:10px;}
.mi-av{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:10px;font-weight:700;flex-shrink:0;overflow:hidden;}
.mi-av img{width:100%;height:100%;object-fit:cover;border-radius:50%;}
.mi-body .mi-name{font-size:10px;color:var(--muted);font-weight:700;margin-bottom:2px;}
.mi-msg{display:inline-block;padding:7px 11px;border-radius:12px;font-size:13px;background:#f0f4f0;line-height:1.4;}
.mi-msg.admin{background:#1b5e20;color:#fff;}
.mi-msg.teacher{background:#2563eb;color:#fff;}
.mi-msg.student{background:#f0f4f0;color:#1e2d1e;}

/* TOAST */
#toast{position:fixed;top:16px;right:16px;z-index:999;}
.toast-item{padding:10px 16px;border-radius:10px;font-size:13px;font-weight:600;margin-bottom:8px;animation:slideIn 0.3s ease;box-shadow:0 4px 16px rgba(0,0,0,0.15);}
.toast-success{background:#16a34a;color:#fff;}
.toast-error{background:#dc2626;color:#fff;}
@keyframes slideIn{from{transform:translateX(100%);opacity:0;}to{transform:translateX(0);opacity:1;}}

/* PROFILE PAGE */
.profile-header{background:linear-gradient(135deg,#1b5e20,#2e7d32);padding:24px 16px;text-align:center;color:#fff;margin:-16px -16px 16px;}
.profile-avatar{width:80px;height:80px;border-radius:50%;background:rgba(255,255,255,0.2);margin:0 auto 10px;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:800;overflow:hidden;border:3px solid rgba(255,255,255,0.4);}
.profile-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;}

/* AVATAR FULLSCREEN PREVIEW (WhatsApp style) */
#avatarPreviewOverlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.92);z-index:9999;
  display:none;align-items:center;justify-content:center;
  flex-direction:column;
  animation:fadeInBg 0.2s ease;
}
#avatarPreviewOverlay.open{display:flex;}
@keyframes fadeInBg{from{opacity:0;}to{opacity:1;}}
#avatarPreviewCircle{
  width:260px;height:260px;border-radius:50%;
  overflow:hidden;border:3px solid rgba(255,255,255,0.3);
  background:rgba(255,255,255,0.15);
  display:flex;align-items:center;justify-content:center;
  font-size:90px;font-weight:800;color:#fff;
  animation:popIn 0.25s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow:0 8px 40px rgba(0,0,0,0.5);
}
@keyframes popIn{from{transform:scale(0.4);opacity:0;}to{transform:scale(1);opacity:1;}}
#avatarPreviewCircle img{width:100%;height:100%;object-fit:cover;border-radius:50%;}
#avatarPreviewName{
  color:#fff;font-size:18px;font-weight:800;margin-top:18px;
  font-family:'Baloo 2',sans-serif;
}
#avatarPreviewClose{
  position:absolute;top:16px;right:16px;
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,0.15);border:none;
  color:#fff;font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:200;display:none;align-items:flex-end;justify-content:center;}
.modal-overlay.open{display:flex;}
.modal{background:#fff;border-radius:20px 20px 0 0;width:100%;max-height:90vh;overflow-y:auto;padding:20px;}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.modal-header h3{font-size:16px;font-weight:800;color:var(--primary);}
.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--muted);}

/* ===== MOBILE FRIENDLY CSS ===== */
*{box-sizing:border-box;}
html{font-size:14px;-webkit-text-size-adjust:100%;}
body{font-size:14px;min-height:100dvh;overflow-x:hidden;}

/* Prevent content from being too wide */
#mainApp{max-width:480px;margin:0 auto;position:relative;}
.bottom-nav{max-width:480px;margin:0 auto;left:0;right:0;}

/* Page content */
.page-content{padding:12px 12px 90px;overflow-x:hidden;}

/* Cards */
.card{border-radius:12px;padding:14px;margin-bottom:12px;}
.stat-grid{grid-template-columns:1fr 1fr;gap:8px;}
.stat-card{padding:12px 10px;border-radius:12px;}
.stat-val{font-size:24px;}
.stat-lbl{font-size:11px;}

/* Tables */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px;}
table{width:100%;font-size:12px;border-collapse:collapse;}
table th,table td{padding:7px 8px;text-align:left;border-bottom:1px solid var(--border);}
table th{font-size:11px;font-weight:700;color:var(--muted);background:#f8fafc;}
table tr:last-child td{border-bottom:none;}

/* Buttons */
.btn{padding:9px 14px;font-size:13px;}
.btn-sm{padding:6px 11px;font-size:12px;}

/* Inputs */
input,select,textarea{font-size:15px !important;padding:10px 12px;border-radius:9px;border:1.5px solid var(--border);width:100%;font-family:'Noto Sans',sans-serif;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);}
.form-group{margin-bottom:14px;}
.form-group label{font-size:12px;font-weight:700;color:var(--muted);margin-bottom:5px;display:block;}

/* Top bar */
.topbar{padding:0 14px;height:54px;}
.topbar h2{font-size:16px;}

/* Bottom nav — 7 items compact */
.bnav-item{padding:6px 2px 8px;font-size:9px;gap:1px;}
.bnav-item i{font-size:17px;}

/* Attendance page */
.att-student-row{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid var(--border);flex-wrap:nowrap;}
.att-student-row:last-child{border-bottom:none;}
.att-btn{width:34px;height:34px;}

/* Login card */
.login-card{width:92%;max-width:380px;padding:28px 20px;}

/* Tabs */
.tab-bar{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
.tab-bar::-webkit-scrollbar{display:none;}
.tab-btn{flex-shrink:0;padding:6px 14px;font-size:12px;border-radius:20px;border:1.5px solid var(--border);background:#fff;font-weight:700;cursor:pointer;white-space:nowrap;}
.tab-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);}

/* Modal — bottom sheet style */
.modal-overlay{align-items:flex-end;}
.modal{border-radius:20px 20px 0 0;width:100%;max-width:480px;margin:0 auto;padding-bottom:env(safe-area-inset-bottom,16px);}

/* Safe area */
.bottom-nav{padding-bottom:env(safe-area-inset-bottom,0);}

/* Topbar safe area top */
.topbar{padding-top:env(safe-area-inset-top,0);}

/* Toast mobile */
#toast{top:12px;right:12px;left:12px;}
.toast-item{font-size:13px;}

/* Section header */
.section-header h3{font-size:15px;}

/* Large screen — slightly bigger */
@media(min-width:480px){
  html{font-size:15px;}
  .stat-val{font-size:26px;}
  .card{padding:16px;}
  .page-content{padding:16px 16px 90px;}
  .bnav-item{font-size:10px;}
  .bnav-item i{font-size:18px;}
}