/* =========================================
   AKILLI ÇOCUK — Yeni Tasarım (Okulistik'ten ilham)
   Font: Nunito + Source Sans 3
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@600;700;800;900&family=Source+Sans+3:wght@400;600;700&display=swap');

:root {
  --navy:      #1a3a6b;
  --navy2:     #122d57;
  --orange:    #ff6600;
  --orange2:   #e85a00;
  --orange-lt: #fff3ea;
  --sky:       #e8f0fb;
  --s1:  #e8500a; --s1l: #fff3ee;
  --s2:  #7c3aed; --s2l: #f5f0ff;
  --s3:  #0a7c5c; --s3l: #edfaf4;
  --s4:  #c2430a; --s4l: #fff5f0;
  --bg:      #f4f7fc;
  --surface: #ffffff;
  --border:  #dce4f0;
  --text:    #1a2d4a;
  --muted:   #6b7d96;
  --light:   #eaf0f9;
  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 2px 12px rgba(26,58,107,.08);
  --shadow-md: 0 8px 32px rgba(26,58,107,.14);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Source Sans 3',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}

/* ---- TOPBAR ---- */
.topbar{background:var(--navy2);padding:6px 24px;display:flex;align-items:center;justify-content:space-between}
.topbar-left{display:flex;gap:16px;align-items:center}
.topbar-link{color:rgba(255,255,255,.65);text-decoration:none;font-size:.72rem;font-weight:600;transition:.15s;display:flex;align-items:center;gap:4px}
.topbar-link:hover{color:#fff}
.topbar-right{display:flex;gap:8px;align-items:center}
.topbar-badge{background:var(--orange);color:#fff;font-size:.65rem;font-weight:700;padding:2px 8px;border-radius:50px}

/* ---- NAVBAR ---- */
.navbar{position:sticky;top:0;z-index:100;background:var(--navy);box-shadow:0 2px 16px rgba(26,58,107,.3)}
.navbar-inner{max-width:1200px;margin:0 auto;height:62px;display:flex;align-items:center;gap:6px;padding:0 24px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:'Nunito',sans-serif;font-size:1.45rem;font-weight:900;color:#fff;margin-right:20px;flex-shrink:0}
.nav-logo .logo-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--orange),#ffaa44);display:grid;place-items:center;font-size:1.1rem;box-shadow:0 2px 8px rgba(255,102,0,.4)}
.nav-links{display:flex;gap:2px;align-items:center;flex:1}
.nav-link{text-decoration:none;color:rgba(255,255,255,.75);font-weight:700;font-size:.82rem;padding:7px 14px;border-radius:8px;transition:.18s;border:none;background:none;cursor:pointer;font-family:'Source Sans 3',sans-serif;white-space:nowrap}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-link.active{color:#fff;background:rgba(255,255,255,.2)}
.nav-link.admin-btn{background:rgba(255,102,0,.85);color:#fff;border-radius:8px;padding:7px 16px;margin-left:4px}
.nav-link.admin-btn:hover{background:var(--orange)}
.ai-nav-btn{display:flex;align-items:center;gap:6px;padding:7px 15px;border-radius:8px;border:1.5px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);color:#fff;font-family:'Nunito',sans-serif;font-size:.82rem;font-weight:800;cursor:pointer;transition:.18s;white-space:nowrap;flex-shrink:0}
.ai-nav-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.45)}
.ai-nav-btn span:first-child{font-size:.95rem}

/* ---- HERO ---- */
.hero{background:linear-gradient(135deg,var(--navy) 0%,#254e9b 55%,#1e6bc4 100%);padding:56px 24px 48px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 50%,rgba(255,187,68,.07) 0%,transparent 60%);pointer-events:none}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:rgba(255,255,255,.9);padding:5px 16px;border-radius:50px;font-size:.75rem;font-weight:700;margin-bottom:20px;letter-spacing:.4px}
.hero h1{font-family:'Nunito',sans-serif;font-size:clamp(2.2rem,5vw,3.8rem);font-weight:900;line-height:1.1;margin-bottom:14px;color:#fff}
.hero h1 .accent{color:#ffbb44}
.hero-sub{color:rgba(255,255,255,.8);font-size:.98rem;max-width:520px;margin:0 auto 32px;line-height:1.7}
.hero-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:44px}

/* ---- BUTTONS ---- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:11px 26px;border-radius:10px;font-family:'Nunito',sans-serif;font-size:.92rem;font-weight:800;cursor:pointer;border:none;transition:.2s;text-decoration:none}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 4px 20px rgba(255,102,0,.4)}
.btn-primary:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,102,0,.5)}
.btn-secondary{background:rgba(255,255,255,.15);color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.btn-secondary:hover{background:rgba(255,255,255,.25)}

/* ---- STATS BAR ---- */
.stats-bar{display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);overflow:hidden;max-width:820px;margin:0 auto;backdrop-filter:blur(8px)}
.stat-item{padding:18px 10px;text-align:center;border-right:1px solid rgba(255,255,255,.15)}
.stat-item:last-child{border-right:none}
.stat-num{font-family:'Nunito',sans-serif;font-size:1.8rem;font-weight:900;line-height:1;color:#ffbb44}
.stat-lbl{color:rgba(255,255,255,.6);font-size:.67rem;font-weight:700;margin-top:4px;text-transform:uppercase;letter-spacing:.4px}

/* ---- SECTION ---- */
.section{padding:52px 24px}
.section-header{text-align:center;margin-bottom:36px}
.section-tag{display:inline-block;padding:4px 14px;border-radius:50px;font-size:.68rem;font-weight:800;letter-spacing:.6px;text-transform:uppercase;margin-bottom:10px}
.section-header h2{font-family:'Nunito',sans-serif;font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:900;margin-bottom:8px;color:var(--text)}
.section-header p{color:var(--muted);font-size:.93rem;max-width:460px;margin:0 auto;line-height:1.65}
.wrap{max-width:1200px;margin:0 auto}

/* ---- CLASS CARDS ---- */
.class-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.class-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-lg);padding:0;overflow:hidden;text-decoration:none;color:var(--text);transition:.25s;box-shadow:var(--shadow);display:flex;flex-direction:column}
.class-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--cc)}
.card-head{background:var(--cc);padding:22px 20px 18px;display:flex;align-items:center;justify-content:space-between}
.card-grade-num{font-family:'Nunito',sans-serif;font-size:3.2rem;font-weight:900;color:rgba(255,255,255,.22);line-height:1}
.card-grade-text{font-family:'Nunito',sans-serif;font-size:1.3rem;font-weight:900;color:#fff;margin-bottom:2px}
.card-em-big{font-size:2.2rem;line-height:1}
.card-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.card-desc{color:var(--muted);font-size:.86rem;line-height:1.6;margin-bottom:14px;flex:1}
.card-pills{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:16px}
.card-pill{padding:3px 10px;border-radius:50px;font-size:.65rem;font-weight:700;background:var(--light);color:var(--muted);border:1px solid var(--border)}
.card-footer{display:flex;align-items:center;justify-content:space-between;border-top:1.5px solid var(--border);padding-top:14px}
.card-count{font-size:.76rem;color:var(--muted);font-weight:700}
.card-arrow{width:30px;height:30px;border-radius:8px;background:var(--cc);color:#fff;display:grid;place-items:center;font-size:.85rem;transition:.2s}
.class-card:hover .card-arrow{transform:translateX(4px)}

/* ---- ROLES ---- */
.roles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.role-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-lg);padding:26px 22px;transition:.2s;border-top:4px solid var(--rc);box-shadow:var(--shadow)}
.role-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.role-icon{font-size:2.2rem;margin-bottom:12px;width:52px;height:52px;border-radius:14px;background:var(--light);display:grid;place-items:center}
.role-card h3{font-family:'Nunito',sans-serif;font-size:1.15rem;font-weight:900;margin-bottom:7px;color:var(--text)}
.role-card>p{color:var(--muted);font-size:.86rem;line-height:1.6;margin-bottom:14px}
.role-feats{list-style:none;display:flex;flex-direction:column;gap:6px}
.role-feats li{font-size:.82rem;color:var(--muted);font-weight:600;padding-left:16px;position:relative}
.role-feats li::before{content:'';position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:var(--rc)}

/* ---- FOOTER ---- */
.site-footer{background:var(--navy2);padding:28px 24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-logo{display:flex;align-items:center;gap:9px;font-family:'Nunito',sans-serif;font-size:1.15rem;font-weight:900;color:#fff}
.site-footer p{color:rgba(255,255,255,.45);font-size:.78rem;font-weight:600}

/* ---- CLASS BANNER (sınıf sayfaları) ---- */
.class-banner{border:2px solid var(--border);border-radius:var(--radius-lg);padding:28px;margin-bottom:28px;background:var(--surface);overflow:hidden;position:relative}
.banner-inner{display:flex;align-items:center;gap:20px;position:relative;z-index:1}
.banner-text{flex:1}
.banner-grade{font-family:'Nunito',sans-serif;font-size:1.6rem;font-weight:900;margin-bottom:5px}
.banner-desc{color:var(--muted);font-size:.9rem;line-height:1.6;margin-bottom:12px}
.banner-pills{display:flex;flex-wrap:wrap;gap:6px}
.banner-pill{background:var(--light);border:1.5px solid var(--border);color:var(--muted);font-size:.68rem;font-weight:700;padding:4px 12px;border-radius:50px}
.banner-em{font-size:4rem;line-height:1;flex-shrink:0;filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}

/* ---- APP GRID ---- */
.apps-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.filter-bar{display:flex;gap:6px;flex-wrap:wrap}
.filter-btn{padding:7px 15px;border-radius:8px;border:1.5px solid var(--border);background:var(--surface);color:var(--muted);font-family:'Source Sans 3',sans-serif;font-size:.78rem;font-weight:700;cursor:pointer;transition:.18s}
.filter-btn:hover{border-color:var(--navy);color:var(--navy)}
.filter-btn.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.app-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:.22s;position:relative;box-shadow:var(--shadow)}
.app-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#bcc8dd}
.app-card-head{height:88px;display:flex;align-items:center;justify-content:center;font-size:2.4rem;position:relative}
.new-badge{position:absolute;top:8px;right:8px;background:var(--orange);color:#fff;font-size:.58rem;font-weight:800;padding:2px 7px;border-radius:50px;text-transform:uppercase;letter-spacing:.4px}
.app-card-body{padding:13px 14px 14px}
.app-name{font-family:'Nunito',sans-serif;font-size:.92rem;font-weight:800;color:var(--text);margin-bottom:4px;line-height:1.3}
.app-desc{color:var(--muted);font-size:.76rem;line-height:1.5;margin-bottom:10px}
.app-card-footer{display:flex;align-items:center;justify-content:space-between;border-top:1.5px solid var(--border);padding-top:9px}
.app-type-badge{font-size:.62rem;font-weight:800;padding:3px 9px;border-radius:50px;text-transform:uppercase;letter-spacing:.3px}
.app-launch{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;font-size:.75rem;color:#fff;transition:.18s}
.app-card:hover .app-launch{transform:scale(1.1)}
.app-demo .app-card-head{opacity:.55}
.app-demo{opacity:.7}

/* ---- VIEWER ---- */
.viewer{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:9999;display:none;flex-direction:column}
.viewer.on{display:flex}
.viewer-bar{background:var(--navy);padding:0 18px;display:flex;align-items:center;gap:12px;height:52px;flex-shrink:0}
.viewer-bar>span:first-child{font-size:1rem}
.viewer-title{flex:1;font-family:'Nunito',sans-serif;font-weight:800;font-size:.92rem;color:#fff}
.viewer-close{padding:7px 18px;border-radius:8px;border:1.5px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;font-weight:800;font-size:.8rem;cursor:pointer;transition:.18s}
.viewer-close:hover{background:rgba(255,255,255,.2)}
.viewer-frame{flex:1;border:none;width:100%;background:#fff}

/* ---- TOAST ---- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:11px 22px;border-radius:10px;font-weight:700;font-size:.85rem;box-shadow:var(--shadow-md);z-index:9000;opacity:0;pointer-events:none;transition:.3s;white-space:nowrap;border-left:4px solid var(--orange)}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---- MODAL ---- */
.modal-bg{position:fixed;inset:0;background:rgba(26,58,107,.5);z-index:500;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.modal-bg.on{display:flex}
.modal-box{background:var(--surface);border-radius:var(--radius-lg);max-width:440px;width:100%;overflow:hidden;box-shadow:var(--shadow-md);animation:modalPop .22s ease}
@keyframes modalPop{from{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}
.modal-header{background:var(--navy);padding:18px 22px;display:flex;align-items:center;gap:10px}
.modal-header h3{font-family:'Nunito',sans-serif;font-size:1.05rem;font-weight:900;color:#fff;flex:1}
.modal-close{background:rgba(255,255,255,.15);border:none;border-radius:7px;color:#fff;width:30px;height:30px;cursor:pointer;font-size:.9rem;display:grid;place-items:center;transition:.18s}
.modal-close:hover{background:rgba(255,255,255,.25)}
.modal-body{padding:22px}
.form-group{margin-bottom:14px}
.form-label{display:block;font-size:.78rem;font-weight:700;color:var(--text);margin-bottom:6px}
.form-input{width:100%;padding:10px 13px;border:1.5px solid var(--border);border-radius:9px;font-family:'Source Sans 3',sans-serif;font-size:.9rem;background:var(--bg);color:var(--text);outline:none;transition:.18s}
.form-input:focus{border-color:var(--navy);background:var(--surface)}
.form-btn{width:100%;padding:11px;border:none;border-radius:9px;background:var(--navy);color:#fff;font-family:'Nunito',sans-serif;font-weight:800;font-size:.95rem;cursor:pointer;transition:.18s;margin-top:4px}
.form-btn:hover{background:var(--navy2)}
.form-btn.orange{background:var(--orange)}
.form-btn.orange:hover{background:var(--orange2)}

/* ---- AUTH SLOT ---- */
.auth-slot{display:flex;align-items:center;gap:8px}
.auth-guest{display:flex;gap:6px;align-items:center}
.btn-login{padding:7px 15px;border-radius:8px;border:1.5px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);font-family:'Source Sans 3',sans-serif;font-weight:700;font-size:.82rem;cursor:pointer;transition:.18s}
.btn-login:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-register{padding:7px 15px;border-radius:8px;border:none;background:var(--orange);color:#fff;font-family:'Source Sans 3',sans-serif;font-weight:700;font-size:.82rem;cursor:pointer;transition:.18s}
.btn-register:hover{background:var(--orange2)}
.auth-user{position:relative}
.user-trigger{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:9px;border:1.5px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);cursor:pointer;transition:.18s;font-family:'Source Sans 3',sans-serif;font-size:.83rem;font-weight:700;color:#fff}
.user-trigger:hover{background:rgba(255,255,255,.2)}
.user-avatar{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;font-size:.8rem;font-weight:900;color:#fff;flex-shrink:0}
.user-caret{font-size:.6rem;color:rgba(255,255,255,.6);transition:.2s}
.auth-user.open .user-caret{transform:rotate(180deg)}
.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);min-width:210px;box-shadow:var(--shadow-md);z-index:99;opacity:0;pointer-events:none;transform:translateY(-6px);transition:.18s}
.auth-user.open .user-dropdown{opacity:1;pointer-events:all;transform:translateY(0)}
.dropdown-header{padding:14px 16px 10px;border-bottom:1.5px solid var(--border)}
.dropdown-name{font-weight:800;font-size:.9rem}
.dropdown-email{color:var(--muted);font-size:.73rem;margin-top:2px}
.dropdown-role{display:inline-block;margin-top:6px;padding:2px 9px;border-radius:50px;font-size:.62rem;font-weight:800;text-transform:uppercase}
.dropdown-items{padding:6px}
.dropdown-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;color:var(--text);font-size:.83rem;font-weight:700;cursor:pointer;transition:.15s;border:none;background:none;width:100%;text-align:left;font-family:'Source Sans 3',sans-serif;text-decoration:none}
.dropdown-item:hover{background:var(--light)}
.dropdown-item.danger{color:#ef4444}
.dropdown-item.danger:hover{background:#fee2e2}
.dropdown-divider{height:1.5px;background:var(--border);margin:4px 6px}
.auth-modal-tabs{display:flex;border-bottom:1.5px solid var(--border)}
.auth-tab{flex:1;padding:14px;border:none;background:none;font-family:'Nunito',sans-serif;font-weight:800;font-size:.88rem;color:var(--muted);cursor:pointer;transition:.18s;border-bottom:3px solid transparent;margin-bottom:-1.5px}
.auth-tab.on{color:var(--navy);border-bottom-color:var(--navy)}
.auth-panel{display:none}
.auth-panel.on{display:block}
.role-select-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:4px}
.role-option{border:2px solid var(--border);border-radius:10px;padding:12px 8px;text-align:center;cursor:pointer;transition:.18s;background:var(--bg)}
.role-option:hover{border-color:var(--navy)}
.role-option.on{border-color:var(--navy);background:var(--light)}
.role-option .ro-em{font-size:1.6rem;margin-bottom:4px}
.role-option .ro-lbl{font-size:.7rem;font-weight:800}

/* ---- PROFİL ---- */
.profile-section{max-width:640px;margin:0 auto;padding:32px 24px}
.profile-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);margin-bottom:16px}
.profile-banner{height:80px;background:linear-gradient(135deg,var(--navy),#1e6bc4)}
.profile-info{padding:0 24px 24px;display:flex;align-items:flex-end;gap:16px;margin-top:-30px}
.profile-avatar-big{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;font-weight:900;color:#fff;border:4px solid var(--surface);flex-shrink:0}
.profile-meta{padding-bottom:4px}
.profile-name{font-family:'Nunito',sans-serif;font-size:1.4rem;font-weight:900}
.profile-sub{color:var(--muted);font-size:.82rem;margin-top:2px}

/* ---- ADMİN KİLİDİ ---- */
.admin-lock{position:fixed;inset:0;z-index:500;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:20px}
.lock-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-lg);padding:40px 36px;max-width:380px;width:100%;text-align:center;box-shadow:var(--shadow-md)}
.lock-em{font-size:3rem;display:block;margin-bottom:16px}
.lock-card h2{font-family:'Nunito',sans-serif;font-size:1.7rem;font-weight:900;margin-bottom:8px;color:var(--text)}
.lock-card p{color:var(--muted);font-size:.88rem;line-height:1.65;margin-bottom:22px}
.lock-input-row{display:flex;border:1.5px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:12px;background:var(--bg);transition:.18s}
.lock-input-row:focus-within{border-color:var(--navy);background:var(--surface)}
.lock-input-row input{flex:1;border:none;background:none;padding:11px 14px;font-family:'Source Sans 3',sans-serif;font-size:.95rem;color:var(--text);outline:none}
.lock-eye{padding:0 13px;border:none;background:none;cursor:pointer;font-size:.9rem;color:var(--muted)}
.lock-btn{width:100%;padding:12px;background:var(--navy);color:#fff;border:none;border-radius:10px;font-family:'Nunito',sans-serif;font-weight:800;font-size:1rem;cursor:pointer;transition:.18s;margin-bottom:10px}
.lock-btn:hover{background:var(--navy2)}
.lock-err{color:#ef4444;font-size:.8rem;font-weight:700;min-height:20px;margin-bottom:8px}
.lock-hint{background:var(--light);border:1.5px solid var(--border);border-radius:9px;padding:10px 14px;font-size:.78rem;color:var(--muted);line-height:1.6;text-align:left;margin-top:8px}
#admin-content{display:none}

/* ---- ADMİN PANELİ ---- */
.admin-section{max-width:900px;margin:0 auto;padding:32px 20px}
.admin-section h1{font-family:'Nunito',sans-serif;font-size:1.65rem;font-weight:900;margin-bottom:4px;color:var(--text)}
.admin-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-bottom:20px;box-shadow:var(--shadow)}
.admin-card h2{font-family:'Nunito',sans-serif;font-size:1.1rem;font-weight:900;margin-bottom:16px;color:var(--text);display:flex;align-items:center;gap:8px}
.admin-table{width:100%;border-collapse:collapse;font-size:.84rem}
.admin-table th{background:var(--light);padding:9px 12px;text-align:left;font-weight:800;font-size:.72rem;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);border-bottom:1.5px solid var(--border)}
.admin-table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
.admin-table tr:hover td{background:var(--light)}
.admin-table tr:last-child td{border-bottom:none}
.admin-tag{font-size:.62rem;font-weight:800;padding:2px 8px;border-radius:50px;text-transform:uppercase}
.admin-del{padding:5px 12px;border-radius:7px;border:none;background:#fee2e2;color:#ef4444;font-weight:800;font-size:.78rem;cursor:pointer;transition:.18s}
.admin-del:hover{background:#ef4444;color:#fff}
.class-tab-row{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.class-tab{padding:7px 16px;border-radius:8px;border:1.5px solid var(--border);background:var(--surface);color:var(--muted);font-weight:700;font-size:.78rem;cursor:pointer;transition:.18s;font-family:'Source Sans 3',sans-serif}
.class-tab.on{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ---- RESPONSIVE ---- */
@media(max-width:640px){
  .stats-bar{grid-template-columns:repeat(3,1fr)}
  .stats-bar .stat-item:nth-child(n+4){display:none}
  .banner-em{display:none}
  .topbar{display:none}
  .navbar-inner{padding:0 14px;gap:4px}
  .nav-link{padding:6px 9px;font-size:.76rem}
  .section{padding:36px 16px}
  .apps-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
}