@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

:root {
  --bg:       #f5f4f0;
  --bg2:      #eceae3;
  --surface:  #ffffff;
  --surface2: #f8f7f3;
  --border:   #e0ddd4;
  --border2:  #ccc9be;
  --accent:   #6c3bef;
  --accent2:  #4f28c4;
  --accent-bg:#ede8ff;
  --accent-light: #f3f0ff;
  --black:    #111111;
  --text:     #1a1a1a;
  --text2:    #555550;
  --text3:    #999990;
  --green:    #16a34a; --green-bg: #dcfce7;
  --red:      #dc2626; --red-bg:   #fee2e2;
  --yellow:   #d97706; --yellow-bg:#fef3c7;
  --blue:     #2563eb; --blue-bg:  #dbeafe;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --radius: 14px; --radius-sm: 9px; --radius-xs: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --shadow-accent: 0 6px 28px rgba(108,59,239,0.22);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:var(--bg2)}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:10px}

.page{display:none;animation:fadeUp .32s ease}.page.active{display:flex;flex-direction:column;min-height:100vh}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes slideIn{from{transform:translateX(-14px);opacity:0}to{transform:translateX(0);opacity:1}}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:var(--radius-sm);font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.2px;border:none;cursor:pointer;transition:all .18s;white-space:nowrap}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}.btn-accent:hover{background:var(--accent2);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--border2)}.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{background:#b91c1c}
.btn-ghost{background:transparent;color:var(--text2);border:1.5px solid transparent}.btn-ghost:hover{background:var(--bg2);color:var(--text);border-color:var(--border)}
.btn-sm{padding:6px 13px;font-size:12px}.btn-xs{padding:4px 9px;font-size:11px;border-radius:6px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* NAV */
.pub-nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(245,244,240,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:0 48px;height:68px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;cursor:pointer;text-decoration:none}
.logo-img{height:48px;width:auto;object-fit:contain}
.logo-text{font-family:var(--font-display);font-size:17px;font-weight:800;color:var(--black);letter-spacing:-.3px;line-height:1}
.logo-sub{font-size:9px;color:var(--text3);letter-spacing:1.5px;text-transform:uppercase;display:block;margin-top:2px}
.pub-nav-links{display:flex;gap:36px;align-items:center}
.pub-nav-links a{font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--text2);text-decoration:none;cursor:pointer;transition:color .15s;position:relative}
.pub-nav-links a::after{content:'';position:absolute;bottom:-3px;left:0;right:0;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transition:transform .2s}
.pub-nav-links a:hover{color:var(--accent)}.pub-nav-links a:hover::after{transform:scaleX(1)}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding-top:68px;background:linear-gradient(150deg,#f5f4f0 0%,#eee8ff 55%,#f5f4f0 100%)}
.hero-decor{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 80% 15%,rgba(108,59,239,.1) 0%,transparent 48%),radial-gradient(circle at 10% 80%,rgba(108,59,239,.07) 0%,transparent 40%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:52px 52px;opacity:.55}
.hero-content{position:relative;text-align:center;max-width:880px;padding:0 24px}
.hero-logo{height:130px;width:auto;margin:0 auto 28px;display:block;filter:drop-shadow(0 8px 28px rgba(108,59,239,.18))}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-bg);border:1px solid rgba(108,59,239,.3);border-radius:100px;padding:6px 18px;font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.hero h1{font-family:var(--font-display);font-size:clamp(52px,8vw,98px);line-height:.9;color:var(--black);margin-bottom:6px;letter-spacing:-2px;font-weight:800}
.hero h1 span{color:var(--accent)}
.hero-sub{font-family:var(--font-display);font-size:clamp(14px,2vw,20px);color:var(--text2);letter-spacing:3px;text-transform:uppercase;margin-bottom:18px;font-weight:600}
.hero p{font-size:16px;color:var(--text2);max-width:480px;margin:0 auto 38px;line-height:1.75}
.hero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:inline-flex;margin-top:60px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.hero-stat{padding:18px 32px;text-align:center;border-right:1px solid var(--border)}.hero-stat:last-child{border-right:none}
.hero-stat .num{font-family:var(--font-display);font-size:30px;font-weight:800;color:var(--accent)}
.hero-stat .lbl{font-size:10px;color:var(--text3);letter-spacing:1.5px;text-transform:uppercase;margin-top:2px}

/* SECTIONS */
.section{padding:80px 48px;max-width:1200px;margin:0 auto}
.section-tag{display:inline-block;background:var(--accent-bg);color:var(--accent);font-family:var(--font-display);font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:5px 14px;border-radius:100px;margin-bottom:12px}
.section-title{font-family:var(--font-display);font-size:clamp(32px,4vw,50px);color:var(--black);margin-bottom:6px;font-weight:800;letter-spacing:-1px}
.section-title span{color:var(--accent)}
.section-sub{font-family:var(--font-display);font-size:13px;color:var(--text3);letter-spacing:2px;text-transform:uppercase;margin-bottom:40px}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}

/* CARDS */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .2s}
.card:hover{border-color:rgba(108,59,239,.2);box-shadow:var(--shadow)}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}

/* BATCH CARDS */
.batch-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .22s}
.batch-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(108,59,239,.3)}
.batch-header{padding:20px 24px;background:linear-gradient(135deg,var(--accent-bg),#f0ecff);border-bottom:1px solid var(--border)}
.batch-level{display:inline-block;padding:3px 10px;border-radius:100px;font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:8px}
.level-beginner{background:var(--green-bg);color:var(--green)}
.level-intermediate{background:var(--yellow-bg);color:var(--yellow)}
.level-advanced{background:var(--red-bg);color:var(--red)}
.batch-card-body{padding:20px 24px}
.batch-info{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.batch-info-row{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text2)}

/* PORTAL */
.portal{display:flex;min-height:100vh}
.sidebar{width:258px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;z-index:50}
.sidebar-brand{padding:16px 18px;border-bottom:1px solid var(--border)}
.sidebar-nav{flex:1;padding:10px 0}
.sidebar-section{padding:12px 16px 4px;font-size:9px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--text3)}
.sidebar-item{display:flex;align-items:center;gap:11px;padding:10px 13px;margin:2px 8px;border-radius:var(--radius-sm);cursor:pointer;transition:all .14s;font-size:14px;font-weight:500;color:var(--text2)}
.sidebar-item:hover{background:var(--bg2);color:var(--text)}
.sidebar-item.active{background:var(--accent-bg);color:var(--accent);font-weight:600}
.sidebar-item .icon{width:20px;text-align:center;flex-shrink:0;font-size:15px}
.sidebar-footer{padding:14px 16px;border-top:1px solid var(--border)}
.portal-main{margin-left:258px;flex:1;display:flex;flex-direction:column;min-height:100vh}
.portal-topbar{height:62px;background:var(--surface);border-bottom:1px solid var(--border);padding:0 32px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}
.topbar-title{font-family:var(--font-display);font-size:19px;font-weight:700;color:var(--black);letter-spacing:-.3px}
.topbar-right{display:flex;align-items:center;gap:13px}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;cursor:pointer;flex-shrink:0}
.portal-content{flex:1;padding:28px 32px;background:var(--bg)}

/* STAT CARDS */
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;align-items:flex-start;gap:16px;transition:box-shadow .2s}
.stat-card:hover{box-shadow:var(--shadow)}
.stat-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.stat-icon.yellow{background:var(--yellow-bg)}.stat-icon.green{background:var(--green-bg)}
.stat-icon.blue{background:var(--blue-bg)}.stat-icon.orange{background:#ffedd5}.stat-icon.purple{background:var(--accent-bg)}
.stat-num{font-family:var(--font-display);font-size:34px;color:var(--black);line-height:1;font-weight:800}
.stat-label{font-size:12px;color:var(--text2);margin-top:4px}

/* TABLES */
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.table-head{padding:15px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--surface2)}
.table-head h3{font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--black)}
table{width:100%;border-collapse:collapse}
th{padding:11px 16px;text-align:left;font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text3);border-bottom:1px solid var(--border);background:var(--surface2)}
td{padding:13px 16px;font-size:13px;color:var(--text2);border-bottom:1px solid rgba(0,0,0,.04)}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--bg);color:var(--text)}
.td-name{color:var(--text);font-weight:600}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:100px;font-size:11px;font-weight:600;letter-spacing:.3px}
.badge-green{background:var(--green-bg);color:var(--green)}.badge-red{background:var(--red-bg);color:var(--red)}
.badge-yellow{background:var(--yellow-bg);color:var(--yellow)}.badge-blue{background:var(--blue-bg);color:var(--blue)}
.badge-purple{background:var(--accent-bg);color:var(--accent)}.badge-gray{background:var(--bg2);color:var(--text3)}

/* FORMS */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--text2);margin-bottom:7px}
.form-input{width:100%;padding:10px 13px;background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font-body);font-size:14px;transition:border-color .18s;outline:none}
.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(108,59,239,.1)}
.form-input::placeholder{color:var(--text3)}
select.form-input option{background:var(--surface)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
textarea.form-input{resize:vertical;min-height:80px}

/* MODALS */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:200;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.modal-overlay.open{display:flex;animation:fadeUp .2s ease}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-header{padding:22px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-header h2{font-family:var(--font-display);font-size:19px;font-weight:700;color:var(--black)}
.modal-body{padding:22px 24px}.modal-footer{padding:14px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}
.modal-close{background:none;border:none;color:var(--text3);font-size:20px;cursor:pointer;padding:2px 6px;line-height:1;border-radius:4px;transition:all .15s}
.modal-close:hover{color:var(--red);background:var(--red-bg)}

/* LOGIN */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f4f0 0%,var(--accent-bg) 100%);position:relative;overflow:hidden}
.login-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 25% 45%,rgba(108,59,239,.08) 0%,transparent 55%),radial-gradient(ellipse at 75% 20%,rgba(79,40,196,.06) 0%,transparent 50%)}
.login-card{width:420px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px;position:relative;z-index:1;box-shadow:var(--shadow-lg)}
.login-logo{height:70px;width:auto;display:block;margin:0 auto 8px}
.login-title{font-family:var(--font-display);font-size:26px;font-weight:800;color:var(--black);text-align:center;margin-bottom:4px;letter-spacing:-.5px}
.login-sub{font-size:13px;color:var(--text2);margin-bottom:26px;text-align:center}
.role-selector{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:22px}
.role-btn{padding:10px 8px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--bg);cursor:pointer;text-align:center;transition:all .18s}
.role-btn.active{border-color:var(--accent);background:var(--accent-bg)}
.role-btn .role-icon{font-size:22px;margin-bottom:4px}
.role-btn .role-name{font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--text2)}
.role-btn.active .role-name{color:var(--accent)}
.error-msg{background:var(--red-bg);border:1px solid #fca5a5;border-radius:var(--radius-xs);padding:10px 14px;font-size:13px;color:var(--red);margin-bottom:14px;display:none}
.error-msg.show{display:block;animation:fadeUp .2s ease}
.success-msg{background:var(--green-bg);border:1px solid #86efac;border-radius:var(--radius-xs);padding:10px 14px;font-size:13px;color:var(--green);margin-bottom:14px;display:none}
.success-msg.show{display:block;animation:fadeUp .2s ease}

/* ATTENDANCE */
.attendance-row{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:var(--radius-sm);background:var(--bg);border:1px solid var(--border);margin-bottom:8px;transition:border-color .15s}
.attendance-row:hover{border-color:var(--accent)}
.att-toggle{display:flex;gap:6px}
.att-btn{padding:5px 13px;border-radius:6px;border:1.5px solid var(--border);background:transparent;color:var(--text3);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}
.att-btn.present.active{background:var(--green-bg);border-color:var(--green);color:var(--green)}
.att-btn.absent.active{background:var(--red-bg);border-color:var(--red);color:var(--red)}
.att-btn.late.active{background:var(--yellow-bg);border-color:var(--yellow);color:var(--yellow)}

/* ID CARD */
.id-card{width:100%;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:16px;padding:24px;position:relative;overflow:hidden;color:#fff}
.id-card-shine{position:absolute;top:-40%;left:-40%;width:80%;height:80%;background:radial-gradient(circle,rgba(255,255,255,.15) 0%,transparent 70%);pointer-events:none}

/* PROGRESS */
.progress-bar{height:6px;background:var(--bg2);border-radius:100px;overflow:hidden}
.progress-fill{height:100%;border-radius:100px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .5s ease}
.progress-fill.warning{background:linear-gradient(90deg,var(--yellow),#f59e0b)}
.progress-fill.danger{background:linear-gradient(90deg,var(--red),#ef4444)}

/* TOAST */
#toast{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 18px;font-size:13px;color:var(--text);box-shadow:var(--shadow);animation:slideIn .28s ease;display:flex;align-items:center;gap:10px;pointer-events:all;min-width:256px}
.toast-item.success{border-left:3px solid var(--green)}.toast-item.error{border-left:3px solid var(--red)}.toast-item.info{border-left:3px solid var(--blue)}

.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .65s linear infinite;display:inline-block}
.loading-screen{position:fixed;inset:0;background:rgba(245,244,240,0.92);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;z-index:500}
.loading-screen.hide{display:none}
.loading-screen>div.spinner-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 32px;display:flex;flex-direction:column;align-items:center;gap:12px;box-shadow:var(--shadow-lg);max-width:260px;width:90%}
.loading-logo{height:54px;width:auto;animation:pulse 1.5s ease infinite}
.loading-text{font-family:var(--font-display);font-size:12px;color:var(--text2);letter-spacing:2px;text-align:center}
.search-bar{display:flex;align-items:center;gap:8px;background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:8px 13px;width:260px;transition:border-color .18s}
.search-bar:focus-within{border-color:var(--accent)}
.search-bar input{background:none;border:none;outline:none;color:var(--text);font-family:var(--font-body);font-size:13px;flex:1}
.search-bar input::placeholder{color:var(--text3)}
.notif-btn{position:relative;background:var(--bg);border:1.5px solid var(--border);border-radius:9px;padding:7px 11px;cursor:pointer;color:var(--text2);font-size:17px;transition:all .18s}
.notif-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.notif-dot{position:absolute;top:3px;right:3px;width:8px;height:8px;background:var(--red);border-radius:50%;border:2px solid var(--surface)}

/* FOOTER */
.pub-footer{background:var(--black);color:#fff;padding:56px 48px 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;max-width:1200px;margin:0 auto 40px}
.footer-logo-img{height:56px;width:auto;object-fit:contain;background:#fff;border-radius:8px;padding:4px 8px;}
.footer-col h4{font-family:var(--font-display);font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:rgba(255,255,255,.4);margin-bottom:14px}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.6);text-decoration:none;margin-bottom:8px;cursor:pointer;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.35)}

/* MISC */
.empty-state{text-align:center;padding:48px;color:var(--text3)}
.empty-state .empty-icon{font-size:48px;margin-bottom:16px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;background:var(--accent-bg);border:1px solid rgba(108,59,239,.2);border-radius:100px;font-size:12px;color:var(--accent);font-weight:500}
.batch-students-panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);margin-top:12px;padding:16px;animation:fadeUp .2s ease}
.no-class-banner{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 20px;text-align:center;color:var(--text2);font-size:14px;line-height:1.6}
.ann-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;border-left:3px solid var(--accent);transition:box-shadow .18s;margin-bottom:10px}
.ann-card:hover{box-shadow:var(--shadow)}
.text-muted{color:var(--text2)}.text-small{font-size:12px}.fw-bold{font-weight:700}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}
.flex{display:flex}.items-center{align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}
.justify-between{justify-content:space-between}.flex-wrap{flex-wrap:flex-wrap}


/* ══════════════════════════════════════════
   MOBILE RESPONSIVE + HAMBURGER NAV
══════════════════════════════════════════ */

/* Hamburger button */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: none;
  z-index: 200;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px;
  left: 0; right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow);
  animation: fadeUp .2s ease;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: block;
  padding: 12px 16px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text2);
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .15s;
}
.mobile-nav a:hover { background: var(--accent-bg); color: var(--accent); }
.mobile-nav .mob-btns {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
  /* Nav */
  .pub-nav { padding: 0 20px; }
  .pub-nav-links { display: none; }
  .pub-nav > .flex.gap-8 { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero { padding-top: 68px; }
  .hero-content { padding: 0 16px; }
  .hero h1 { font-size: clamp(48px,13vw,80px); }
  .hero-sub { font-size: 13px; letter-spacing: 2px; }
  .hero-stats { flex-direction: column; gap: 0; margin-top: 40px; width: 100%; }
  .hero-stat { border-right: none !important; border-bottom: 1px solid var(--border); padding: 14px 24px; }
  .hero-stat:last-child { border-bottom: none; }

  /* Sections */
  .section { padding: 52px 20px; }
  .section-title { font-size: clamp(28px,8vw,44px); }

  /* Grids */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .pub-footer { padding: 40px 20px 20px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* Portal sidebar */
  .sidebar { transform: translateX(-100%); transition: transform .25s; z-index: 100; }
  .sidebar.mob-open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .portal-main { margin-left: 0; }
  .portal-topbar { padding: 0 16px; }
  .portal-content { padding: 18px 16px; }

  /* Portal topbar menu button */
  .mob-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    font-size: 18px;
    cursor: pointer;
    color: var(--text2);
  }

  /* Modals */
  .modal { max-width: 96vw; margin: 0 8px; }

  /* Stat cards */
  .grid-4 { grid-template-columns: 1fr 1fr; }

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

  /* Batch cards */
  .batch-card { width: 100%; }
}

@media (max-width: 480px) {
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-stat { border-right: none; border-bottom: 1px solid var(--border); }
  .footer-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .role-selector { grid-template-columns: repeat(3,1fr); }
  .topbar-title { font-size: 15px; }
}

/* Sidebar overlay on mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
}
.sidebar-overlay.show { display: block; }

/* Always show mob-menu-btn only on mobile */
.mob-menu-btn { display: none; }
@media (max-width: 768px) {
  .mob-menu-btn { display: flex; }
}

.btn-success{background:var(--green);color:#fff}.btn-success:hover{background:#15803d}

.pwd-cell{display:inline-flex;align-items:center;gap:6px;}
.pwd-mask{font-family:monospace;letter-spacing:2px;font-size:13px;}

/* ── Day selector chips ── */
.day-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: all .15s;
  color: var(--text2);
  background: var(--bg);
}
.day-chip:has(input:checked) {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.day-chip input[type="checkbox"] {
  display: none;
}


/* ══════════════════════════════════════════════════════════════
   COMPREHENSIVE RESPONSIVE OVERHAUL
   Covers: tables, portals, registration, attendance, fees,
   modals, stat cards, topbar, forms, payment section, QR
══════════════════════════════════════════════════════════════ */

/* ── GLOBAL: prevent horizontal overflow everywhere ── */
html, body { max-width: 100vw; overflow-x: hidden; }
img, canvas { max-width: 100%; height: auto; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { min-width: 480px; }

/* ── PORTAL: topbar search bar hides on small screens ── */
@media (max-width: 900px) {
  .search-bar { display: none; }
  .portal-content { padding: 20px 18px; }
}

/* ══════════════════════════
   768px BREAKPOINT (tablets + phones)
══════════════════════════ */
@media (max-width: 768px) {

  /* ── Tables: horizontal scroll + tighter cells ── */
  table { min-width: 520px; font-size: 12px; }
  th, td { padding: 9px 10px; }
  .table-head { flex-wrap: wrap; gap: 10px; padding: 12px 14px; }
  .table-head h3 { font-size: 14px; }

  /* ── Stat cards: 2 columns instead of 4 ── */
  .grid-4 { grid-template-columns: 1fr 1fr !important; gap: 12px; }
  .stat-card { padding: 16px; gap: 12px; }
  .stat-num { font-size: 26px; }
  .stat-icon { width: 38px; height: 38px; font-size: 17px; }

  /* ── Grids collapse to single column ── */
  .grid-2, .grid-3 { grid-template-columns: 1fr !important; gap: 16px; }
  .form-row { grid-template-columns: 1fr !important; gap: 0; }

  /* ── Portal topbar ── */
  .portal-topbar { padding: 0 14px; height: 56px; }
  .topbar-title { font-size: 15px; max-width: 160px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .topbar-right { gap: 8px; }
  .topbar-right .btn { padding: 7px 12px; font-size: 12px; }
  /* hide logout label text on mobile, keep icon */
  .topbar-right .btn span:not(.spinner) { display: none; }

  /* ── Sidebar ── */
  .sidebar { width: 240px; }
  .portal-main { margin-left: 0; }

  /* ── Portal content ── */
  .portal-content { padding: 16px 14px; }

  /* ── Modals ── */
  .modal { max-width: 98vw; margin: 0 4px; border-radius: 14px; }
  .modal-body { padding: 16px 18px; }
  .modal-header { padding: 16px 18px 12px; }
  .modal-footer { flex-direction: column; padding: 12px 18px; }
  .modal-footer .btn { width: 100%; justify-content: center; }

  /* ── Forms inside modals / portal ── */
  .form-group { margin-bottom: 14px; }
  .form-input { font-size: 16px; } /* prevent iOS zoom on focus */

  /* ── Attendance rows ── */
  .attendance-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
  }
  .att-toggle { flex-wrap: wrap; gap: 6px; width: 100%; }
  .att-btn { flex: 1; text-align: center; min-width: 70px; }

  /* ── ID card ── */
  .id-card { padding: 18px 16px; }

  /* ── Registration page ── */
  .login-card { width: 96vw !important; padding: 24px 18px !important; }

  /* ── Registration batch list ── */
  #reg-sports-container label {
    padding: 10px 10px !important;
  }

  /* ── Fee / payment section ── */
  #reg-fee-summary { padding: 14px !important; }
  #reg-payment-section { padding: 16px !important; }

  /* ── QR code: center & scale ── */
  #reg-payment-section > div[style*="text-align:center"] img,
  #reg-payment-section > div[style*="text-align:center"] canvas {
    width: 160px !important;
    height: 160px !important;
  }

  /* ── Pay Now button ── */
  #reg-payment-section .btn {
    font-size: 14px !important;
    padding: 12px !important;
  }

  /* ── Batch cards on public page ── */
  .batch-card { margin-bottom: 4px; }

  /* ── Section padding ── */
  .section { padding: 44px 16px; }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr 1fr !important; gap: 24px; }
  .pub-footer { padding: 36px 16px 20px; }

  /* ── Hero CTA buttons stack ── */
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-ctas .btn { width: 100%; max-width: 300px; justify-content: center; }

  /* ── Toast position ── */
  #toast { bottom: 16px; right: 8px; left: 8px; }
  .toast-item { min-width: unset; width: 100%; }

  /* ── Inline flex items wrap ── */
  .flex-wrap { flex-wrap: wrap !important; }
  .table-head .flex { flex-wrap: wrap; gap: 8px; }

  /* ── Admin/Coach batch students panel ── */
  .batch-students-panel { padding: 12px; }

  /* ── Day chips wrap ── */
  .day-chip { font-size: 12px; padding: 4px 10px; }

  /* ── Badge squeeze ── */
  .badge { font-size: 10px; padding: 2px 8px; }
}

/* ══════════════════════════
   480px BREAKPOINT (phones)
══════════════════════════ */
@media (max-width: 480px) {

  /* ── Stat cards: full width on tiny phones ── */
  .grid-4 { grid-template-columns: 1fr 1fr !important; }
  .stat-num { font-size: 22px; }
  .stat-label { font-size: 11px; }

  /* ── Tables even tighter ── */
  table { min-width: 400px; font-size: 11px; }
  th, td { padding: 8px 8px; }

  /* ── Topbar title even smaller ── */
  .topbar-title { font-size: 13px; max-width: 120px; }

  /* ── Sidebar narrow ── */
  .sidebar { width: 220px; }
  .sidebar-item { font-size: 13px; padding: 9px 10px; }

  /* ── Portal content ── */
  .portal-content { padding: 12px 10px; }

  /* ── Section heading ── */
  .section-title { font-size: clamp(24px, 7vw, 36px); }

  /* ── Hero ── */
  .hero h1 { font-size: clamp(38px, 12vw, 56px); letter-spacing: -1px; }
  .hero p { font-size: 14px; }

  /* ── Login card ── */
  .login-card { padding: 20px 14px !important; border-radius: 14px !important; }
  .login-title { font-size: 22px; }
  .login-logo { height: 56px; }

  /* ── Role selector ── */
  .role-selector { grid-template-columns: repeat(3,1fr); gap: 6px; }
  .role-btn { padding: 8px 4px; }
  .role-btn .role-icon { font-size: 18px; }
  .role-btn .role-name { font-size: 10px; }

  /* ── Footer single column ── */
  .footer-grid { grid-template-columns: 1fr !important; }

  /* ── Modals full-screen feel ── */
  .modal { max-width: 100vw !important; margin: 0 !important; border-radius: 16px 16px 0 0 !important; position: fixed !important; bottom: 0 !important; top: auto !important; max-height: 92vh; }
  .modal-overlay { align-items: flex-end !important; padding: 0 !important; }

  /* ── Attendance toggle: 3 buttons side by side ── */
  .att-toggle { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 5px; }
  .att-btn { min-width: unset; font-size: 11px; padding: 6px 4px; }

  /* ── QR + payment section ── */
  #reg-payment-section { padding: 14px 12px !important; }
  #reg-fee-lines > div { font-size: 12px; }
  #reg-fee-total { font-size: 18px !important; }

  /* ── Table head buttons stack ── */
  .table-head { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* ── Inline flex gaps shrink ── */
  .gap-16 { gap: 10px; }
  .gap-12 { gap: 8px; }

  /* ── Progress bar section ── */
  .progress-bar { height: 5px; }

  /* ── Ann cards ── */
  .ann-card { padding: 14px 16px; }

  /* ── Batch cards public ── */
  .batch-header { padding: 14px 16px; }
  .batch-card-body { padding: 14px 16px; }
}

/* ══════════════════════════
   360px BREAKPOINT (very small phones)
══════════════════════════ */
@media (max-width: 360px) {
  .grid-4 { grid-template-columns: 1fr !important; }
  .role-selector { grid-template-columns: 1fr 1fr 1fr; }
  .hero h1 { font-size: 34px; }
  .stat-num { font-size: 20px; }
  table { min-width: 320px; font-size: 10px; }
  th, td { padding: 6px 6px; }
  .portal-content { padding: 10px 8px; }
}

/* ── Utility: ensure no content clips on any screen ── */
.portal-main, .portal-content, .table-wrap, .modal-body,
#reg-sports-container, #reg-fee-summary, #reg-payment-section {
  word-break: break-word;
  overflow-wrap: break-word;
}

/* ── Fix: topbar logout button text on mobile ── */
@media (max-width: 768px) {
  #admin-logout-btn span:not(.spinner),
  #coach-logout-btn span:not(.spinner),
  #student-logout-btn span:not(.spinner) { display: none; }
}

/* ══════════════════════════════════════════
   ADDITIONAL RESPONSIVE IMPROVEMENTS
══════════════════════════════════════════ */

/* Registration page responsive */
@media (max-width: 640px) {
  #page-register .card { padding: 18px 14px; }
  #reg-sports-container { padding: 10px; }
}

/* Portal table responsive */
@media (max-width: 768px) {
  .table-wrap { overflow-x: auto; }
  table { min-width: 480px; }
  .portal-content { padding: 14px 12px; }
  .stat-card { padding: 16px; }
  .stat-num { font-size: 26px; }
}

/* Login page responsive */
@media (max-width: 480px) {
  .login-card { width: 96vw; padding: 22px 14px; }
  .login-title { font-size: 22px; }
}

/* Batch card responsive */
@media (max-width: 480px) {
  .batch-card-body, .batch-header { padding: 14px 16px; }
  .hero-stat .num { font-size: 22px; }
  .hero-stat .lbl { font-size: 9px; }
}

/* Fee summary responsive */
@media (max-width: 480px) {
  #reg-fee-summary { padding: 12px; }
  #reg-payment-section { padding: 14px; }
}

/* Modal improvements for small screens */
@media (max-width: 480px) {
  .modal-body { padding: 14px 16px; }
  .modal-footer { padding: 10px 16px; flex-wrap: wrap; }
  .modal-footer .btn { flex: 1; justify-content: center; }
}

/* Topbar improvements */
@media (max-width: 360px) {
  .topbar-title { font-size: 13px; }
  .portal-topbar { padding: 0 10px; }
}