@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
:root {
  --bg:#000000;--bg-card:#0a0a0a;--bg-sidebar:#000000;--bg-input:#0a0a0a;
  --cyan:#00e5ff;--cyan-dim:rgba(0,229,255,0.10);--cyan-glow:rgba(0,229,255,0.25);
  --gold:#d4af37;--text:#e8e8e8;--text-muted:#555570;--border:#1a1a1a;--sidebar-w:64px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);display:flex;min-height:100vh}
/* SIDEBAR */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;padding:.75rem 0;z-index:100}
.sidebar-logo{width:38px;height:38px;background:linear-gradient(135deg,var(--cyan),#0088bb);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:900;color:#000;margin-bottom:1.5rem;box-shadow:0 0 20px var(--cyan-dim)}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1}
.sb-item{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:var(--text-muted);text-decoration:none;cursor:pointer;transition:all .2s;position:relative}
.sb-item:hover{background:var(--cyan-dim);color:var(--cyan)}
.sb-item.active{background:var(--cyan-dim);color:var(--cyan)}
.sb-item.active::before{content:'';position:absolute;left:-11px;top:50%;transform:translateY(-50%);width:3px;height:20px;background:var(--cyan);border-radius:0 3px 3px 0}
.sb-item::after{content:attr(data-tip);position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);background:#111;color:var(--text);padding:4px 10px;border-radius:6px;font-size:.7rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s;border:1px solid #222;z-index:200}
.sb-item:hover::after{opacity:1}
.sb-item svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sb-sep{width:24px;height:1px;background:var(--border);margin:6px 0}
.sidebar-bottom{display:flex;flex-direction:column;gap:2px;align-items:center;margin-top:auto}
.sb-lang{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:var(--text-muted);font-size:.7rem;font-weight:700;cursor:pointer;transition:all .2s}
.sb-lang:hover{color:var(--cyan)}
/* MAIN */
.main{margin-left:var(--sidebar-w);flex:1}
/* COMMON */
.section{padding:6rem 3rem;background:var(--bg);position:relative}
.sec-label{font-size:.65rem;color:var(--cyan);text-transform:uppercase;letter-spacing:.22em;font-weight:700;margin-bottom:.5rem}
.sec-title{font-size:2.5rem;font-weight:900;margin-bottom:3rem;letter-spacing:-.02em}
.sec-title strong{color:var(--cyan)}
/* BUTTONS */
.btn-create{padding:14px 28px;background:linear-gradient(135deg,var(--cyan),#0099cc);color:#000;border:none;border-radius:12px;font-size:.9rem;font-weight:800;cursor:pointer;transition:all .3s;white-space:nowrap;letter-spacing:.02em}
.btn-create:hover{box-shadow:0 0 35px var(--cyan-glow);transform:translateY(-2px)}
.btn-primary{padding:12px 24px;background:linear-gradient(135deg,var(--cyan),#0099cc);color:#000;border:none;border-radius:10px;font-size:.82rem;font-weight:700;cursor:pointer;text-decoration:none;transition:all .3s}
.btn-primary:hover{box-shadow:0 0 25px var(--cyan-glow)}
.btn-outline{padding:12px 24px;background:transparent;color:var(--cyan);border:1px solid rgba(0,229,255,0.4);border-radius:10px;font-size:.82rem;font-weight:600;cursor:pointer;text-decoration:none;transition:all .3s}
.btn-outline:hover{background:var(--cyan-dim);border-color:var(--cyan)}
.btn-sm{padding:6px 14px;font-size:.75rem;border-radius:8px}
/* FORMS */
.form-group{margin-bottom:1rem}
.form-group label{display:block;font-size:.78rem;font-weight:600;color:var(--text-muted);margin-bottom:.35rem;text-transform:uppercase;letter-spacing:.06em}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.85rem;outline:none;transition:border-color .2s;font-family:inherit}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--cyan)}
.form-group textarea{resize:vertical;min-height:60px}
.form-group select{cursor:pointer;appearance:auto}
.form-row{display:flex;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}
.form-row .form-group{flex:1;min-width:150px}
.slider-group{display:flex;align-items:center;gap:.5rem}
.slider-group input[type=range]{flex:1;padding:0;background:transparent;border:none}
.slider-group .slider-value{font-size:.78rem;color:var(--cyan);min-width:2.5rem;text-align:right}
/* CARDS */
.svc-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:1.75rem;transition:all .3s;position:relative;overflow:hidden}
.svc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:0;transition:opacity .3s}
.svc-card:hover{border-color:rgba(0,229,255,0.3);box-shadow:0 8px 40px rgba(0,229,255,0.08);transform:translateY(-4px)}
.svc-card:hover::before{opacity:1}
.svc-icon{width:44px;height:44px;border-radius:10px;background:var(--cyan-dim);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:1.25rem}
.svc-title{font-size:1rem;font-weight:700;margin-bottom:.6rem}
.svc-desc{font-size:.82rem;color:var(--text-muted);line-height:1.65;margin-bottom:1rem}
.svc-price{font-size:.75rem;color:var(--gold);font-weight:700;letter-spacing:.02em}
.feat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;text-align:center;transition:all .3s}
.feat-card:hover{border-color:rgba(0,229,255,0.3)}
.feat-icon{font-size:1.5rem;margin-bottom:.75rem}
.feat-title{font-size:.9rem;font-weight:700;margin-bottom:.4rem}
.feat-desc{font-size:.78rem;color:var(--text-muted);line-height:1.5}
/* ANIMATIONS */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:translateY(0)}
/* CHAT */
.chat-container{display:flex;flex-direction:column;height:100vh;padding:0}
.chat-messages{flex:1;overflow-y:auto;padding:1.5rem 3rem}
.chat-msg{margin-bottom:1rem;display:flex}
.chat-msg.user{justify-content:flex-end}
.chat-msg.assistant{justify-content:flex-start}
.chat-msg-bubble{max-width:70%;padding:.75rem 1rem;border-radius:12px;font-size:.85rem;line-height:1.6}
.chat-msg.user .chat-msg-bubble{background:var(--cyan-dim);border:1px solid rgba(0,229,255,0.2);color:var(--text)}
.chat-msg.assistant .chat-msg-bubble{background:var(--bg-card);border:1px solid var(--border);color:var(--text)}
.chat-input-area{display:flex;gap:.5rem;padding:1rem 3rem;border-top:1px solid var(--border)}