/* ============ StudyMate AI v7 — Pro theme ============ */
:root{--brand1:#6366f1;--brand2:#8b5cf6;--brand3:#ec4899;--brand4:#06b6d4;
--grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#ec4899 100%);
--grad-soft:linear-gradient(135deg,rgba(99,102,241,.15),rgba(139,92,246,.15) 50%,rgba(236,72,153,.15));
--radius:1.2rem;--radius-sm:.75rem;--font:'Inter',system-ui,-apple-system,sans-serif;--font-display:'Plus Jakarta Sans','Inter',sans-serif;
--shadow-sm:0 2px 8px rgba(30,41,90,.08);--shadow-md:0 8px 24px rgba(30,41,90,.12);--shadow-lg:0 20px 60px rgba(30,41,90,.18);--shadow-glow:0 10px 40px rgba(139,92,246,.35)}
[data-theme="light"]{--bg:#f4f6fb;--text:#0f172a;--muted:#64748b;--panel:rgba(255,255,255,.78);--panel-solid:#fff;--border:rgba(15,23,42,.08);--input:#f8fafc;--hover:rgba(99,102,241,.06);--success:#059669;--danger:#dc2626;--warning:#d97706}
[data-theme="dark"]{--bg:#070a1a;--text:#e8ecf7;--muted:#8b95b0;--panel:rgba(22,27,52,.72);--panel-solid:#141931;--border:rgba(255,255,255,.08);--input:rgba(10,14,30,.75);--hover:rgba(139,92,246,.12);--success:#10b981;--danger:#ef4444;--warning:#f59e0b}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
html,body{max-width:100%;overflow-x:hidden}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{font-family:var(--font-display);letter-spacing:-.025em}
/* YOUR logo image styling */
.logo-img{width:40px;height:40px;border-radius:.8rem;object-fit:cover;box-shadow:0 6px 18px rgba(99,102,241,.35);background:var(--panel)}
.logo-lg{width:88px;height:88px;border-radius:1.5rem;box-shadow:0 14px 40px rgba(99,102,241,.45);object-fit:cover}
img,canvas,svg,table{max-width:100%}
#view{max-width:100vw;overflow-x:clip}
body::before{content:"";position:fixed;inset:-20%;z-index:-2;pointer-events:none;background:radial-gradient(45% 35% at 15% 25%,rgba(99,102,241,.32),transparent 60%),radial-gradient(40% 30% at 85% 18%,rgba(236,72,153,.28),transparent 60%),radial-gradient(50% 40% at 70% 90%,rgba(139,92,246,.3),transparent 60%),radial-gradient(30% 25% at 20% 85%,rgba(6,182,212,.2),transparent 60%),var(--bg);animation:aurora 28s ease-in-out infinite alternate}
@keyframes aurora{0%{transform:translate(0,0) scale(1)}50%{transform:translate(-2%,1%) scale(1.08)}100%{transform:translate(1%,-1.5%) scale(1.05)}}
@keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes popIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.row>*>.stat-card{animation:riseIn .5s cubic-bezier(.2,.8,.2,1) both}
.row>*:nth-child(2)>.stat-card{animation-delay:.07s}.row>*:nth-child(3)>.stat-card{animation-delay:.14s}.row>*:nth-child(4)>.stat-card{animation-delay:.21s}
.content .glass{animation:riseIn .45s cubic-bezier(.2,.8,.2,1) both}
.no-anim *,.no-anim *::before,.no-anim *::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
.skip-link{position:absolute;left:-9999px;top:0;z-index:2000;background:var(--brand1);color:#fff;padding:.7rem 1.2rem;border-radius:0 0 .8rem 0;font-weight:600}
.skip-link:focus{left:0}
:focus-visible{outline:2.5px solid var(--brand2);outline-offset:3px;border-radius:4px}
/* LOGO */
.logo-img{width:40px;height:40px;border-radius:.8rem;box-shadow:0 6px 18px rgba(99,102,241,.35);object-fit:cover}
.logo-lg{width:88px;height:88px;border-radius:1.5rem;box-shadow:0 14px 40px rgba(99,102,241,.45)}
.glass{background:var(--panel);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.glass::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.08),transparent 40%);border-radius:inherit}
.panel{padding:1.5rem;position:relative}
.card-hover{transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s ease}
.card-hover:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.btn-grad{background:var(--grad);color:#fff;border:none;border-radius:.85rem;padding:.75rem 1.5rem;font-weight:600;font-size:.94rem;transition:transform .18s,filter .18s,box-shadow .18s;position:relative;overflow:hidden}
.btn-grad:hover{filter:brightness(1.08);transform:translateY(-2px);color:#fff;box-shadow:var(--shadow-glow)}
.btn-grad:active{transform:scale(.97)}
.btn-grad:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);border-radius:.85rem;padding:.7rem 1.3rem;font-weight:500;font-size:.92rem;transition:all .2s}
.btn-ghost:hover{background:var(--hover);border-color:var(--brand2);color:var(--text)}
.btn-ghost:active{transform:scale(.97)}
.btn-ghost:disabled{opacity:.45;cursor:not-allowed}
.btn-icon{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:.75rem;border:1px solid var(--border);background:var(--panel);color:var(--text);transition:all .2s}
.btn-icon:hover{background:var(--hover);border-color:var(--brand2);color:var(--brand2)}
.form-control,.form-select{background:var(--input);border:1.5px solid var(--border);color:var(--text);border-radius:.8rem;padding:.7rem 1rem;font-size:.94rem;transition:border-color .2s,box-shadow .2s}
.form-control:focus,.form-select:focus{background:var(--input);color:var(--text);border-color:var(--brand2);box-shadow:0 0 0 4px rgba(139,92,246,.12)}
.form-control::placeholder{color:var(--muted);opacity:.7}
.form-label{font-weight:600;font-size:.84rem;color:var(--muted);margin-bottom:.4rem}
.form-check-input:checked{background-color:var(--brand2);border-color:var(--brand2)}
.form-range::-webkit-slider-thumb{background:var(--brand2)}
.form-range::-moz-range-thumb{background:var(--brand2)}
.form-text{color:var(--muted)}
code{color:var(--brand2)}
/* markdown polish */
.md-body h1,.md-body h2,.md-body h3,.md-body h4{margin:.7rem 0 .4rem}
.md-body p{margin-bottom:.5rem}
.md-body ul,.md-body ol{padding-left:1.25rem;margin-bottom:.5rem}
.md-body blockquote{border-left:3px solid var(--brand2);padding:.3rem .8rem;margin:.5rem 0;color:var(--muted)}
.md-body pre{background:rgba(0,0,0,.35);color:#e8ecf7;padding:.85rem;border-radius:.7rem;overflow-x:auto;font-size:.83rem;white-space:pre-wrap;word-wrap:break-word}
.md-body code{background:var(--hover);padding:.1rem .35rem;border-radius:.3rem}
.md-body table{border-collapse:collapse;margin:.5rem 0;display:block;overflow-x:auto;max-width:100%}
.md-body th,.md-body td{border:1px solid var(--border);padding:.35rem .6rem;font-size:.85rem}
.md-body hr{margin:.8rem 0;border-color:var(--border)}
.nav-landing{position:sticky;top:0;z-index:100;backdrop-filter:blur(18px);background:color-mix(in srgb,var(--bg) 75%,transparent);border-bottom:1px solid var(--border)}
.hero{min-height:86vh;display:flex;flex-direction:column;justify-content:center}
.hero-badge{display:inline-flex;gap:.5rem;align-items:center;padding:.5rem 1.1rem;border-radius:99px;border:1px solid var(--border);background:var(--panel);font-size:.82rem;font-weight:600;box-shadow:var(--shadow-sm);animation:popIn .5s both}
.hero h1{animation:riseIn .6s .1s both}
.hero .lead{animation:riseIn .6s .2s both}
.feature-icon{width:56px;height:56px;border-radius:1rem;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(139,92,246,.35);transition:transform .3s ease}
.card-hover:hover .feature-icon{transform:scale(1.08) rotate(-3deg)}
.avatar-circle{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);font-size:.9rem}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:268px;flex-shrink:0;padding:1.1rem .9rem;position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--panel);backdrop-filter:blur(22px);border-right:1px solid var(--border);display:flex;flex-direction:column;gap:.15rem;z-index:1040;transition:transform .32s cubic-bezier(.2,.8,.2,1)}
.sidebar .brand{display:flex;align-items:center;gap:.7rem;font-weight:800;font-size:1.08rem;padding:.5rem .75rem 1.1rem}
.brand-dot{width:38px;height:38px;border-radius:.75rem;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 18px rgba(139,92,246,.4);font-size:1.1rem}
.side-link{display:flex;align-items:center;gap:.75rem;padding:.62rem .85rem;border-radius:.75rem;color:var(--muted);text-decoration:none;font-weight:500;font-size:.92rem;transition:background .2s,color .2s,transform .2s}
.side-link i{font-size:1.1rem;width:22px;text-align:center}
.side-link:hover{background:var(--hover);color:var(--text);transform:translateX(2px)}
.side-link.active{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(139,92,246,.35);font-weight:600}
.side-sep{height:1px;background:var(--border);margin:.7rem .5rem}
.side-sect{font-size:.68rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;padding:.7rem .9rem .35rem;opacity:.7}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:1020;display:flex;align-items:center;gap:.85rem;padding:.8rem 1.4rem;border-radius:0;border-left:none;border-right:none;border-top:none}
.topbar h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:42vw}
.content{padding:1.5rem;max-width:1440px;width:100%;margin:0 auto;animation:fadeIn .35s ease}
.main,.content{min-width:0}
@media (max-width:991px){.sidebar{position:fixed;left:0;transform:translateX(-105%);box-shadow:none}.sidebar.open{transform:none;box-shadow:0 0 80px rgba(0,0,0,.5)}.sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:1035;animation:fadeIn .3s}.content{padding:1rem}}
.stat-card{position:relative;padding:1.5rem;overflow:hidden;border-radius:var(--radius);background:var(--panel);border:1px solid var(--border);transition:transform .3s,box-shadow .3s}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat-card .stat-icon{width:46px;height:46px;border-radius:.8rem;background:var(--grad-soft);color:var(--brand2);display:flex;align-items:center;justify-content:center;font-size:1.25rem}
.stat-card .stat-value{font-size:1.9rem;font-weight:800;margin:.4rem 0 .15rem}
.stat-card .stat-label{font-size:.82rem;color:var(--muted);font-weight:500}
.chip{display:inline-flex;align-items:center;gap:.4rem;font-size:.75rem;font-weight:600;padding:.32rem .78rem;border-radius:99px;border:1px solid var(--border);background:var(--panel);color:var(--text)}
button.chip{cursor:pointer;transition:all .18s}
button.chip:hover{border-color:var(--brand2);color:var(--brand2);transform:translateY(-1px)}
.chip.grad{background:var(--grad);color:#fff;border:none}
.divider{height:1px;background:var(--border);margin:.95rem 0}
.chat-wrap{display:flex;flex-direction:column;height:calc(100vh - 140px)}
.chat-scroll{flex:1;overflow-y:auto;padding:.5rem .25rem;display:flex;flex-direction:column;gap:1rem}
.msg{max-width:82%;padding:.95rem 1.15rem;border-radius:1.2rem;font-size:.94rem;line-height:1.68;animation:riseIn .35s cubic-bezier(.2,.8,.2,1)}
.msg.user{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:.35rem}
.msg.ai{align-self:flex-start;background:var(--panel);border:1px solid var(--border);border-bottom-left-radius:.35rem}
.msg-actions{display:flex;gap:.4rem;margin-top:.55rem;opacity:.6}
.msg-actions button{background:none;border:none;color:inherit;font-size:.8rem;padding:.2rem .5rem;border-radius:.4rem}
.msg-actions button:hover{opacity:1;background:rgba(255,255,255,.12)}
.rel-chips{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.55rem}
.typing-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--brand2);margin-right:4px;animation:blink 1.3s infinite}
.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.pbar{height:10px;border-radius:99px;background:var(--border);overflow:hidden}
.pbar>div{height:100%;background:var(--grad);border-radius:99px;transition:width .6s}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:.6rem}
.empty-state-icon{width:72px;height:72px;border-radius:1.2rem;background:var(--grad-soft);color:var(--brand2);display:flex;align-items:center;justify-content:center;font-size:2rem;margin-bottom:.5rem;border:1px dashed var(--border)}
.toast-zone{position:fixed;bottom:1.4rem;right:1.4rem;z-index:2200;display:flex;flex-direction:column;gap:.7rem;max-width:calc(100vw - 2.8rem)}
.toast-item{min-width:280px;max-width:380px;padding:.9rem 1.15rem;border-radius:1rem;color:#fff;font-size:.9rem;font-weight:500;display:flex;gap:.65rem;align-items:flex-start;animation:toastIn .35s;box-shadow:0 16px 40px rgba(0,0,0,.35)}
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}
.toast-ok{background:linear-gradient(135deg,#10b981,#059669)}
.toast-err{background:linear-gradient(135deg,#ef4444,#dc2626)}
.toast-info{background:var(--grad)}
.toast-warn{background:linear-gradient(135deg,#f59e0b,#d97706)}
.modal-content{background:var(--panel-solid);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.modal.show .modal-dialog{animation:popIn .3s cubic-bezier(.2,.8,.2,1)}
.dropdown-menu{background:var(--panel-solid);border:1px solid var(--border);border-radius:1rem;box-shadow:var(--shadow-lg);padding:.5rem}
.dropdown-item{color:var(--text);border-radius:.6rem;padding:.55rem .9rem;font-weight:500}
.dropdown-item:hover{background:var(--hover);color:var(--text)}
.dropdown-divider{border-color:var(--border)}
.text-muted{color:var(--muted)!important}
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}
.auth-card{width:100%;max-width:480px;animation:riseIn .5s both}
.auth2{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
.auth2-brand{background:var(--grad);color:#fff;padding:3.5rem;display:flex;align-items:center;position:relative;overflow:hidden}
.auth2-brand::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 85% 8%,rgba(255,255,255,.2),transparent 60%)}
.auth2-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.95rem;font-size:.95rem}
.auth2-list i{background:rgba(255,255,255,.16);width:36px;height:36px;border-radius:.7rem;display:inline-flex;align-items:center;justify-content:center;margin-right:.7rem;flex-shrink:0}
.auth2-form{display:flex;align-items:center;justify-content:center;padding:2.5rem 1rem;overflow-y:auto}
@media (max-width:991px){.auth2{grid-template-columns:1fr}}
.otp-inputs{display:flex;gap:.7rem;justify-content:center;margin:1.2rem 0}
.otp-inputs input{width:54px;height:60px;text-align:center;font-size:1.5rem;font-weight:700;background:var(--input);border:1.5px solid var(--border);border-radius:.85rem;color:var(--text);transition:all .2s;animation:popIn .4s both}
.otp-inputs input:focus{border-color:var(--brand2);box-shadow:0 0 0 4px rgba(139,92,246,.18);outline:none}
.otp-inputs input.is-invalid{border-color:var(--danger);animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.step-indicator{display:flex;gap:.5rem;justify-content:center;margin-bottom:1.5rem}
.step-dot{width:10px;height:10px;border-radius:50%;background:var(--border);transition:all .3s}
.step-dot.active{background:var(--grad);width:28px;border-radius:5px}
.step-dot.done{background:var(--success)}
.admin-hero{background:linear-gradient(135deg,#4f46e5,#7c3aed,#db2777);color:#fff;border-radius:var(--radius);padding:2rem;position:relative;overflow:hidden}
.user-table{width:100%;border-collapse:separate;border-spacing:0}
.user-table th{text-align:left;font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:.8rem 1rem;border-bottom:1px solid var(--border)}
.user-table td{padding:1rem;border-bottom:1px solid var(--border);font-size:.92rem}
.user-table tr:hover td{background:var(--hover)}
.admin-badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .6rem;border-radius:99px;font-size:.7rem;font-weight:700;background:rgba(16,185,129,.15);color:var(--success)}
.admin-route-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .8rem;border-radius:99px;background:rgba(245,158,11,.15);color:var(--warning);font-size:.72rem;font-weight:700;text-transform:uppercase}
.loading-overlay{position:fixed;inset:0;z-index:3000;background:rgba(10,14,30,.85);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;animation:fadeIn .25s}
.loading-spinner{width:56px;height:56px;border:4px solid rgba(255,255,255,.2);border-top-color:var(--brand2);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.email-error-banner{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.4);color:var(--danger);padding:.9rem 1.1rem;border-radius:.85rem;font-size:.88rem;line-height:1.5;margin-top:.8rem;animation:riseIn .3s both}
.email-error-banner code{background:rgba(0,0,0,.15);padding:.15rem .4rem;border-radius:4px;font-size:.8rem;display:block;margin-top:.4rem;word-break:break-all}
.tpl-guide{background:var(--grad-soft);border:1px dashed var(--brand2);border-radius:.9rem;padding:1rem;font-size:.85rem}
.tpl-guide code{background:var(--panel-solid);padding:.15rem .45rem;border-radius:5px;border:1px solid var(--border)}
.diag-row{display:flex;align-items:flex-start;gap:.7rem;padding:.6rem .2rem;border-bottom:1px solid var(--border);font-size:.9rem}
.diag-row:last-child{border-bottom:none}
.diag-ok{color:var(--success);font-weight:700}.diag-bad{color:var(--danger);font-weight:700}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(139,92,246,.4);border-radius:99px;border:2px solid var(--bg)}
.quiz-opt{display:block;width:100%;border-radius:.9rem;transition:all .18s}
.quiz-opt.picked{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--shadow-glow)}
.flashcard{padding:3rem 1.5rem;min-height:220px;display:flex;flex-direction:column;justify-content:center;cursor:default}
.flip-scene{perspective:1200px}
.flip-inner{position:relative;height:260px;transition:transform .55s cubic-bezier(.2,.8,.2,1);transform-style:preserve-3d}
.flip-inner.flipped{transform:rotateY(180deg)}
.flip-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;border-radius:var(--radius)}
.flip-back{transform:rotateY(180deg);background:var(--grad-soft);border:1px solid var(--border)}
.voice-mic-active{animation:pulseMic 1.4s ease-in-out infinite}
@keyframes pulseMic{0%,100%{box-shadow:0 0 0 0 rgba(236,72,153,.45)}50%{box-shadow:0 0 0 14px rgba(236,72,153,0)}}
.tutor-tools{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:.5rem}
.prompt-grid{display:flex;gap:.4rem;flex-wrap:wrap;justify-content:center;max-width:520px}
.note-stats{display:flex;gap:.5rem;flex-wrap:wrap;margin:.7rem 0 0}
.stat-mini{background:var(--hover);border:1px solid var(--border);border-radius:.6rem;padding:.32rem .7rem;font-size:.74rem;font-weight:600}
.qz-timer{font-variant-numeric:tabular-nums}
.qz-timer.low{color:var(--danger);border-color:var(--danger);animation:blink 1s infinite}
.grade-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1.1rem;border-radius:99px;font-weight:800;font-size:.95rem}
.gb-great{background:rgba(16,185,129,.15);color:var(--success)}
.gb-good{background:rgba(99,102,241,.15);color:var(--brand1)}
.gb-mid{background:rgba(245,158,11,.15);color:var(--warning)}
.gb-bad{background:rgba(239,68,68,.15);color:var(--danger)}
.kbd-hint{font-size:.68rem;color:var(--muted)}
.confetti-zone{position:fixed;inset:0;pointer-events:none;z-index:4000;overflow:hidden}
.confetti-zone i{position:absolute;top:-12px;width:10px;height:14px;border-radius:2px;opacity:.95;animation:confFall linear forwards}
@keyframes confFall{to{transform:translateY(105vh) rotate(720deg)}}
.xp-bar{height:8px;border-radius:99px;background:var(--border);overflow:hidden}
.xp-bar>div{height:100%;background:var(--grad)}
.badge-card{display:flex;flex-direction:column;align-items:center;gap:.4rem;padding:.9rem .5rem;border-radius:.9rem;border:1px solid var(--border);background:var(--panel);text-align:center;font-size:.72rem;font-weight:600}
.badge-card .bi{font-size:1.5rem;color:var(--brand2)}
.badge-card.locked{opacity:.45;filter:grayscale(1)}
.pager{display:flex;gap:.5rem;align-items:center;justify-content:flex-end}
.pager .btn{padding:.25rem .7rem;font-size:.85rem}
@media (max-width:575px){
body::before{animation:none}.glass{backdrop-filter:none;-webkit-backdrop-filter:none}.panel{padding:1rem}
.content{padding:.75rem}.form-control,.form-select{font-size:16px}
.stat-card{padding:1rem}.stat-card .stat-value{font-size:1.45rem}
.msg{max-width:92%;padding:.8rem .95rem}.chat-wrap{height:calc(100vh - 175px)}
.flip-inner{height:220px}.flip-face h4{font-size:1.05rem}
.tutor-tools .chip,.prompt-grid .chip{font-size:.68rem;padding:.28rem .6rem}
.toast-zone{left:.75rem;right:.75rem}.toast-item{min-width:0;width:100%;max-width:100%}
.otp-inputs{gap:.4rem}.otp-inputs input{width:42px;height:52px;font-size:1.25rem}
.auth2-form{padding:1.25rem .75rem}.dropdown-menu-end{right:0;left:auto;max-width:88vw}
.hero .display-3{font-size:2rem}.grade-badge{font-size:.85rem}.row.g-3,.row.g-4{--bs-gutter-x:.75rem}
.topbar h1{max-width:38vw}
}