:root{--bg: #14122a;--bg2: #1b1836;--bg3: #211d40;--card: rgba(255, 255, 255, .05);--card-strong: rgba(255, 255, 255, .08);--border: rgba(255, 255, 255, .09);--primary: #8b7fd4;--primary-strong: #6f5fc0;--accent: #a78bfa;--lav: #c4bcd6;--text: #f4f2fb;--muted: #a9a3c4;--green: #4ade80;--gold: #f5c518;--danger: #f87171;--radius: 16px;--font-head: "Noto Naskh Arabic", serif;--font-body: "Noto Sans Arabic", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;background-image:radial-gradient(900px 500px at 85% -10%,rgba(139,127,212,.18),transparent 60%),radial-gradient(700px 400px at 0% 20%,rgba(111,95,192,.14),transparent 60%);background-attachment:fixed}h1,h2,h3,.hero-title,.logo-text{font-family:var(--font-head)}a{color:var(--accent);text-decoration:none}a:hover{opacity:.9}button{font-family:var(--font-body);cursor:pointer}input,select,textarea{font-family:var(--font-body)}.app{display:flex;flex-direction:column;min-height:100vh}main{flex:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:10px 18px;font-size:.95rem;font-weight:600;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;cursor:pointer}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;box-shadow:0 8px 24px #8b7fd459}.btn-primary:hover{box-shadow:0 12px 30px #8b7fd480}.btn-ghost{background:var(--card);border-color:var(--border);color:var(--text);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.btn-ghost:hover{background:var(--card-strong)}.btn-sm{padding:7px 14px;font-size:.85rem}.btn-lg{padding:14px 28px;font-size:1.05rem;border-radius:14px}.btn-block{width:100%}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.badge{display:inline-flex;align-items:center;gap:6px;background:#8b7fd429;color:var(--accent);border:1px solid rgba(139,127,212,.35);padding:5px 13px;border-radius:999px;font-size:.82rem;font-weight:600}.alert{padding:12px 16px;border-radius:12px;margin:12px 0;font-size:.92rem}.alert-error{background:#f871711f;border:1px solid rgba(248,113,113,.35);color:var(--danger)}.ai-tag{display:inline-flex;align-items:center;gap:3px;background:linear-gradient(135deg,#a78bfa40,#8b7fd440);color:var(--accent);font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px;border:1px solid rgba(167,139,250,.4)}.field{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin-bottom:14px;color:var(--muted);transition:border-color .2s}.field:focus-within{border-color:var(--primary);color:var(--accent)}.field input,.field select{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-size:.95rem;width:100%}.field select option{background:var(--bg2);color:var(--text)}.navbar{position:sticky;top:0;z-index:100;background:#14122abf;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.nav-inner{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.nav-brand{display:flex;align-items:center}.nav-links{display:flex;align-items:center;gap:18px}.nav-link{display:inline-flex;align-items:center;gap:6px;color:var(--text);font-weight:600;font-size:.95rem}.nav-link:hover{color:var(--accent)}.nav-user{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:.9rem}.nav-toggle{display:none;background:none;border:none;color:var(--text)}.footer{border-top:1px solid var(--border);margin-top:60px;background:#00000040}.footer-inner{max-width:1200px;margin:0 auto;padding:28px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-tag{color:var(--muted);font-size:.85rem;margin-top:4px}.footer-links{display:flex;gap:18px;font-size:.92rem}.footer-copy{color:var(--muted);font-size:.82rem}.auth-wrap{display:flex;align-items:center;justify-content:center;padding:60px 20px;min-height:calc(100vh - 200px)}.auth-card{width:100%;max-width:430px;padding:36px 32px;text-align:center;background:var(--card-strong);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:20px}.auth-card h2{margin:14px 0 4px;font-size:1.5rem}.auth-sub{color:var(--muted);margin-bottom:20px;font-size:.92rem}.auth-card form{text-align:right;margin-top:8px}.auth-alt{margin-top:18px;font-size:.9rem;color:var(--muted)}.auth-demo{margin-top:10px;font-size:.78rem;color:var(--muted);background:#8b7fd41a;border:1px dashed rgba(139,127,212,.35);border-radius:10px;padding:8px;direction:ltr}.hero{position:relative;overflow:hidden;padding:90px 24px 70px;text-align:center}.hero-glow{position:absolute;top:-180px;left:50%;transform:translate(-50%);width:700px;height:420px;border-radius:50%;background:radial-gradient(ellipse,rgba(139,127,212,.35),transparent 65%);pointer-events:none}.hero-content{position:relative;max-width:800px;margin:0 auto}.hero-title{font-size:clamp(2.2rem,6vw,4rem);font-weight:700;line-height:1.25;margin:22px 0 16px;animation:fadeUp .8s ease both}.dot{color:var(--accent)}.hero-sub{color:var(--muted);font-size:clamp(1rem,2vw,1.15rem);max-width:620px;margin:0 auto 30px}.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:48px;flex-wrap:wrap}.hero-stats div{display:flex;flex-direction:column;align-items:center}.hero-stats strong{font-size:1.7rem;color:#fff}.hero-stats span{color:var(--muted);font-size:.85rem;display:inline-flex;align-items:center;gap:4px}@keyframes fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.section{padding:70px 24px}.section-alt{background:#ffffff05;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-title{text-align:center;font-size:clamp(1.5rem,3.5vw,2.1rem);margin-bottom:8px}.section-sub{text-align:center;color:var(--muted);margin-bottom:40px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px #00000059}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;max-width:1000px;margin:0 auto}.step-card{padding:28px 22px;text-align:center;position:relative}.step-num{position:absolute;top:14px;right:18px;font-size:2.4rem;font-weight:800;color:#8b7fd440}.step-icon{width:54px;height:54px;margin:0 auto 14px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#8b7fd44d,#6f5fc04d);color:var(--accent);border:1px solid rgba(139,127,212,.35)}.step-card h3{margin-bottom:6px;font-size:1.05rem}.step-card p{color:var(--muted);font-size:.88rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;max-width:1000px;margin:0 auto}.feature-card{padding:26px 22px}.feature-card svg{color:var(--accent);margin-bottom:12px}.feature-card h3{margin-bottom:6px;font-size:1.05rem}.feature-card p{color:var(--muted);font-size:.9rem}.cta-section{text-align:center;padding:80px 24px}.cta-section h2{font-size:clamp(1.6rem,4vw,2.4rem);margin-bottom:8px}.cta-section p{color:var(--muted);margin-bottom:26px}.page{max-width:1200px;margin:0 auto;padding:50px 24px 30px}.page-head{text-align:center;margin-bottom:40px}.page-head h1{font-size:clamp(1.6rem,4vw,2.3rem);margin:12px 0 6px}.page-head p{color:var(--muted)}.page-actions{display:flex;justify-content:center;margin-top:36px}.page-loader{display:flex;justify-content:center;align-items:center;min-height:40vh}.spinner{width:44px;height:44px;border-radius:50%;border:3px solid rgba(139,127,212,.25);border-top-color:var(--accent);animation:spin .9s linear infinite}.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px;max-width:1000px;margin:0 auto}.plan-card{padding:30px 26px;text-align:center;position:relative;cursor:pointer}.plan-card.selected{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),0 14px 34px #8b7fd440}.plan-card.popular{background:linear-gradient(160deg,#8b7fd424,#6f5fc014)}.plan-tag{position:absolute;top:-12px;right:50%;transform:translate(50%);background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;font-size:.75rem;font-weight:700;padding:3px 12px;border-radius:999px;white-space:nowrap}.plan-icon{color:var(--accent);margin-bottom:8px}.plan-price{font-size:1rem;margin:10px 0 16px;color:var(--muted)}.plan-price strong{font-size:2.6rem;color:#fff;font-family:var(--font-head)}.plan-price span{font-size:.85rem}.plan-card ul{list-style:none;text-align:right;margin-bottom:20px}.plan-card li{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--lav);padding:5px 0}.plan-card li svg{color:var(--green);flex-shrink:0}.pay-grid{max-width:520px;margin:0 auto}.pay-card{padding:34px 30px}.pay-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pay-note{display:flex;align-items:center;justify-content:center;gap:6px;color:var(--muted);font-size:.8rem;margin-top:14px}.pay-done{text-align:center;padding:30px 0}.pay-done h3{margin:14px 0 6px}.pay-done p{color:var(--muted)}.teachers-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:20px;margin-bottom:30px}.teacher-card{padding:22px;cursor:pointer}.teacher-card.selected{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),0 14px 34px #8b7fd440}.teacher-top{display:flex;align-items:center;gap:14px;margin-bottom:12px;position:relative}.avatar{width:52px;height:52px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;font-weight:700}.teacher-top h3{font-size:1.05rem}.teacher-sub{color:var(--muted);font-size:.85rem}.check-badge{position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center}.teacher-meta{display:flex;gap:14px;margin-bottom:8px;font-size:.82rem;color:var(--lav)}.teacher-meta 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ul{list-style:none;margin:12px 0 14px}.summary-card li{position:relative;padding-right:16px;font-size:.85rem;color:var(--lav);margin-bottom:7px}.summary-card li:before{content:"";position:absolute;right:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--accent)}.lesson-row{display:flex;align-items:center;gap:16px;padding:18px 20px;margin-bottom:14px}.lesson-icon{width:46px;height:46px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#8b7fd433;color:var(--accent)}.lesson-info{flex:1;min-width:0}.lesson-info h3{font-size:1rem;margin-bottom:2px}.progress{height:6px;background:#ffffff1a;border-radius:99px;margin-top:8px;overflow:hidden}.progress-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .5s 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p{color:var(--muted);margin-bottom:16px;font-size:.92rem}.ai-progress{display:inline-flex;align-items:center;gap:5px;font-size:.82rem;color:var(--lav)}.ai-wrap{max-width:780px;margin:0 auto}.ai-head{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;padding:16px 20px;border-bottom:1px solid var(--border);background:var(--card-strong);border-radius:var(--radius) var(--radius) 0 0}.ai-online{display:inline-flex;align-items:center;gap:4px;color:var(--green);font-size:.78rem;font-weight:600;margin-right:auto}.ai-box{height:420px;overflow-y:auto;padding:20px;background:var(--card)}.msg{display:flex;gap:10px;margin-bottom:16px;align-items:flex-start}.msg-icon{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:.8rem}.msg.ai .msg-icon{background:#8b7fd44d;color:var(--accent)}.msg.user{flex-direction:row-reverse}.msg.user .msg-icon{background:#4ade8040;color:var(--green)}.msg-bubble{max-width:75%;padding:12px 16px;border-radius:14px;font-size:.92rem;background:var(--card-strong);border:1px solid var(--border);white-space:pre-wrap}.msg.user .msg-bubble{background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;border:none}.typing span{display:inline-block;width:6px;height:6px;margin-left:3px;border-radius:50%;background:var(--lav);animation:blink 1.2s infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.2}40%{opacity:1}}.quick-row{display:flex;gap:8px;flex-wrap:wrap;padding:12px 16px;background:var(--bg2);border-left:1px solid var(--border);border-right:1px solid var(--border)}.chip{padding:7px 14px;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--lav);font-size:.8rem;transition:all .2s}.chip:hover{border-color:var(--primary);color:var(--accent)}.ai-input{display:flex;gap:10px;padding:14px 16px;background:var(--card-strong);border-radius:0 0 var(--radius) var(--radius);border:1px solid var(--border);border-top:none}.ai-input input{flex:1;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:11px 15px;color:var(--text);font-size:.95rem;outline:none}.ai-input input:focus{border-color:var(--primary)}.ai-input .btn{padding:11px 16px}@media (max-width: 768px){.nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:8px;background:#14122af7;padding:16px 20px;border-bottom:1px solid var(--border)}.nav-links.open{display:flex}.nav-toggle{display:block}.hero{padding:60px 20px 50px}.hero-stats{gap:26px}.dash-grid-2,.pay-row{grid-template-columns:1fr}.lesson-row{flex-wrap:wrap}.lesson-actions{width:100%;justify-content:space-between}}