/* ===================== FRONT DARK THEME ===================== */
:root {
  --bg:        #080c14;
  --surface:   #0f1623;
  --surface-2: #161e2e;
  --surface-3: #1e2a3d;
  --border:    rgba(255,255,255,0.06);
  --border-h:  rgba(255,255,255,0.12);
  --text:      #f0f4ff;
  --text-2:    #b8c4d8;
  --text-m:    #5a6a85;
  --accent:    #7c3aed;
  --accent-h:  #9d5cf0;
  --accent-dim:rgba(124,58,237,0.12);
  --accent-g:  rgba(124,58,237,0.25);
  --accent-gs: rgba(124,58,237,0.40);
  --cyan:      #22d3ee;
  --cyan-dim:  rgba(34,211,238,0.10);
  --success:   #10b981;
  --error:     #ef4444;
  --warning:   #f59e0b;
  --header-h:  64px;
  --container: 1200px;
  --r:         8px;
  --r-lg:      14px;
  --r-xl:      22px;
  --ease:      cubic-bezier(0.16,1,0.3,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh}
a{text-decoration:none;color:inherit}
input,select,textarea,button{font-family:inherit}
::selection{background:var(--accent-dim);color:var(--accent)}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ─── CONTAINER ───────────────────────────────────────────── */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ─── HEADER ─────────────────────────────────────────────── */
.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:200;transition:background .3s,border-color .3s,backdrop-filter .3s}
.site-header.scrolled{background:rgba(8,12,20,.85);border-bottom:1px solid var(--border);backdrop-filter:blur(16px)}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--header-h)}

/* Logo */
.site-logo{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:800;letter-spacing:-.3px;flex-shrink:0}
.logo-icon{width:32px;height:32px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;box-shadow:0 0 16px var(--accent-g);flex-shrink:0}
.logo-icon svg{width:16px;height:16px;color:#fff}
.site-logo span{color:var(--accent)}

/* Nav */
.site-nav{display:flex;align-items:center;gap:4px;flex:1;padding:0 16px}
.site-nav a{padding:6px 13px;border-radius:var(--r);font-size:14px;font-weight:500;color:var(--text-m);transition:color .2s,background .2s}
.site-nav a:hover{color:var(--text);background:var(--surface-2)}
.site-nav a.active{color:var(--text);background:var(--surface-2)}

/* Header actions */
.header-actions{display:flex;align-items:center;gap:9px;flex-shrink:0}
.header-user-pill{display:flex;align-items:center;gap:8px;padding:5px 12px 5px 5px;border-radius:100px;border:1px solid var(--border);background:var(--surface-2);cursor:pointer;transition:.2s;font-size:13px;font-weight:600}
.header-user-pill:hover{border-color:var(--border-h);background:var(--surface-3)}
.header-user-pill .u-avatar{width:26px;height:26px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;flex-shrink:0}
.header-user-pill .u-name{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Burger */
.header-burger{display:none;flex-direction:column;gap:4px;width:34px;height:34px;align-items:center;justify-content:center;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);cursor:pointer}
.header-burger span{display:block;width:16px;height:2px;background:var(--text-m);border-radius:2px;transition:.3s}
.header-burger.open span:nth-child(1){transform:rotate(45deg) translate(4px,4px)}
.header-burger.open span:nth-child(2){opacity:0;transform:translateX(-6px)}
.header-burger.open span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}

/* Mobile menu */
.mobile-menu{position:fixed;top:var(--header-h);left:0;right:0;background:rgba(8,12,20,.97);border-bottom:1px solid var(--border);backdrop-filter:blur(20px);z-index:190;padding:16px 24px 20px;display:flex;flex-direction:column;gap:4px;transform:translateY(-100%);transition:transform .3s var(--ease)}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{padding:10px 12px;border-radius:var(--r);font-size:14px;font-weight:500;color:var(--text-m);transition:.2s}
.mobile-menu a:hover{color:var(--text);background:var(--surface-2)}
.mobile-menu-actions{display:flex;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}

/* ─── MAIN ────────────────────────────────────────────────── */
.site-main{padding-top:var(--header-h);min-height:calc(100vh - var(--header-h))}

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 20px;border-radius:var(--r);font-size:13px;font-weight:600;border:none;cursor:pointer;transition:all .2s var(--ease);white-space:nowrap;text-decoration:none}
.btn:active{transform:scale(.97)}
.btn svg{width:15px;height:15px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 0 20px var(--accent-g)}
.btn-primary:hover{background:var(--accent-h);box-shadow:0 0 30px var(--accent-gs)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--border-h);background:var(--surface-2)}
.btn-ghost{background:transparent;color:var(--text-m)}
.btn-ghost:hover{color:var(--text);background:var(--surface-2)}
.btn-cyan{background:var(--cyan-dim);color:var(--cyan);border:1px solid rgba(34,211,238,.2)}
.btn-cyan:hover{background:rgba(34,211,238,.18)}
.btn-sm{padding:6px 14px;font-size:12px}
.btn-lg{padding:12px 28px;font-size:15px;border-radius:var(--r-lg)}

/* ─── HERO ────────────────────────────────────────────────── */
.hero{position:relative;padding:100px 0 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.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:60px 60px;opacity:.4}
.hero-glow{position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:700px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.18) 0%,transparent 70%);pointer-events:none;animation:glowPulse 5s ease-in-out infinite}
.hero-glow-2{position:absolute;bottom:-80px;right:10%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.08) 0%,transparent 70%);pointer-events:none}
@keyframes glowPulse{0%,100%{opacity:.6;transform:translateX(-50%) scale(1)}50%{opacity:1;transform:translateX(-50%) scale(1.08)}}
.hero-content{position:relative;z-index:1;text-align:center;max-width:760px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:7px;padding:5px 14px;border-radius:100px;border:1px solid var(--border-h);background:var(--surface-2);font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:24px}
.hero-badge svg{width:13px;height:13px;color:var(--accent)}
.hero-title{font-size:clamp(36px,6vw,68px);font-weight:900;line-height:1.08;letter-spacing:-1.5px;margin-bottom:20px}
.hero-title .grad{background:linear-gradient(135deg,var(--accent) 0%,var(--cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:17px;color:var(--text-m);line-height:1.65;margin-bottom:36px;max-width:560px;margin-left:auto;margin-right:auto}
.hero-btns{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:52px}
.hero-stats{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat-value{font-size:26px;font-weight:900;letter-spacing:-0.5px}
.hero-stat-label{font-size:12px;color:var(--text-m);margin-top:2px}
.hero-divider{width:1px;height:36px;background:var(--border)}

/* ─── SECTION HEADER ─────────────────────────────────────── */
section{padding:80px 0}
.section-label{display:inline-block;padding:4px 12px;border-radius:100px;background:var(--accent-dim);border:1px solid var(--accent-g);color:var(--accent);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;margin-bottom:16px}
.section-title{font-size:clamp(26px,4vw,40px);font-weight:800;line-height:1.2;letter-spacing:-.5px;margin-bottom:14px}
.section-title span{color:var(--accent)}
.section-desc{font-size:15px;color:var(--text-m);max-width:560px}
.section-header{margin-bottom:48px}

/* ─── FEATURE CARDS ──────────────────────────────────────── */
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:28px;transition:border-color .25s,transform .25s var(--ease),box-shadow .25s}
.feature-card:hover{border-color:var(--accent-g);transform:translateY(-3px);box-shadow:0 12px 40px rgba(124,58,237,.12)}
.feature-icon{width:46px;height:46px;border-radius:var(--r-lg);background:var(--accent-dim);border:1px solid var(--accent-g);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-icon svg{width:22px;height:22px;color:var(--accent)}
.feature-title{font-size:16px;font-weight:700;margin-bottom:8px}
.feature-desc{font-size:13px;color:var(--text-m);line-height:1.6}

/* ─── CARDS ──────────────────────────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:24px}
.card-sm{padding:16px;border-radius:var(--r-lg)}

/* ─── STAT STRIP ─────────────────────────────────────────── */
.stats-strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden}
.stats-strip-item{background:var(--surface);padding:24px 20px;text-align:center;transition:background .2s}
.stats-strip-item:hover{background:var(--surface-2)}
.stats-strip-val{font-size:28px;font-weight:900;letter-spacing:-.5px;line-height:1;margin-bottom:4px}
.stats-strip-label{font-size:12px;color:var(--text-m)}

/* ─── BADGE ──────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:100px;font-size:11px;font-weight:600;border:1px solid}
.badge-purple{background:var(--accent-dim);color:var(--accent);border-color:var(--accent-g)}
.badge-cyan  {background:var(--cyan-dim);color:var(--cyan);border-color:rgba(34,211,238,.2)}
.badge-green {background:rgba(16,185,129,.1);color:var(--success);border-color:rgba(16,185,129,.2)}
.badge-red   {background:rgba(239,68,68,.1);color:var(--error);border-color:rgba(239,68,68,.2)}
.badge-gray  {background:var(--surface-3);color:var(--text-m);border-color:var(--border)}

/* ─── PROFILE ────────────────────────────────────────────── */
.profile-hero{position:relative;padding:60px 0 0;overflow:hidden}
.profile-hero-bg{position:absolute;inset:0;background:linear-gradient(160deg,rgba(124,58,237,.12) 0%,transparent 60%);pointer-events:none}
.profile-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:40px 40px;opacity:.3;pointer-events:none}
.profile-inner{position:relative;z-index:1}
.profile-avatar-wrap{position:relative;display:inline-block}
.profile-avatar{width:88px;height:88px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:800;color:#fff;background:var(--accent);border:3px solid var(--surface);box-shadow:0 0 28px var(--accent-g)}
.profile-online-dot{position:absolute;bottom:4px;right:4px;width:14px;height:14px;border-radius:50%;background:var(--success);border:2px solid var(--surface)}
.profile-name{font-size:26px;font-weight:800;letter-spacing:-.3px;margin-top:14px}
.profile-meta{display:flex;align-items:center;gap:12px;margin-top:8px;flex-wrap:wrap}
.profile-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-top:28px}
.profile-tab{padding:10px 18px;font-size:13px;font-weight:600;color:var(--text-m);border-bottom:2px solid transparent;cursor:pointer;transition:.2s;margin-bottom:-1px}
.profile-tab:hover{color:var(--text)}
.profile-tab.active{color:var(--accent);border-bottom-color:var(--accent)}

.profile-grid{display:grid;grid-template-columns:300px 1fr;gap:20px;margin-top:24px}
.profile-info-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:20px}
.profile-info-row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;padding:10px 0;border-bottom:1px solid var(--border)}
.profile-info-row:last-child{border-bottom:none}
.profile-info-label{font-size:12px;color:var(--text-m);font-weight:500}
.profile-info-val{font-size:13px;font-weight:600;text-align:right}

.activity-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.activity-item:last-child{border-bottom:none}
.activity-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:5px}
.activity-text{font-size:13px;color:var(--text-2)}
.activity-text b{font-weight:600;color:var(--text)}
.activity-time{font-size:11px;color:var(--text-m);margin-top:2px}

/* ─── FORM ───────────────────────────────────────────────── */
.form-wrap{max-width:420px;margin:0 auto}
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:32px}
.form-logo{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;margin-bottom:28px}
.form-logo-icon{width:52px;height:52px;border-radius:16px;background:var(--accent);display:flex;align-items:center;justify-content:center;box-shadow:0 0 28px var(--accent-g)}
.form-logo-icon svg{width:24px;height:24px;color:#fff}
.form-title{font-size:21px;font-weight:800;text-align:center;margin-bottom:4px}
.form-sub{font-size:13px;color:var(--text-m);text-align:center;margin-bottom:24px}
.form-field{margin-bottom:14px}
.form-label{display:block;font-size:11px;font-weight:600;color:var(--text-m);margin-bottom:6px;text-transform:uppercase;letter-spacing:.4px}
.form-control{width:100%;height:44px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);padding:0 13px;font-size:14px;color:var(--text);outline:none;transition:.2s}
.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.form-btn{width:100%;height:44px;background:var(--accent);color:#fff;border:none;border-radius:var(--r);font-size:14px;font-weight:700;cursor:pointer;transition:.2s;box-shadow:0 0 18px var(--accent-g);margin-top:6px}
.form-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}
.form-footer{text-align:center;margin-top:16px;font-size:13px;color:var(--text-m)}
.form-footer a{color:var(--accent)}
.form-error{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.2);color:var(--error);padding:10px 13px;border-radius:var(--r);font-size:13px;margin-bottom:14px;text-align:center}
.form-success{background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.2);color:var(--success);padding:10px 13px;border-radius:var(--r);font-size:13px;margin-bottom:14px;text-align:center}
.form-divider{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--text-m);font-size:12px}
.form-divider::before,.form-divider::after{content:'';flex:1;height:1px;background:var(--border)}

/* ─── TOAST ──────────────────────────────────────────────── */
#toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-lg);border:1px solid;backdrop-filter:blur(12px);font-size:13px;font-weight:500;min-width:240px;max-width:340px;box-shadow:0 8px 32px rgba(0,0,0,.5);animation:toastIn .3s var(--ease)}
.toast-success{background:rgba(8,12,20,.95);border-color:rgba(16,185,129,.3);color:var(--success)}
.toast-error  {background:rgba(8,12,20,.95);border-color:rgba(239,68,68,.3);color:var(--error)}
.toast-info   {background:rgba(8,12,20,.95);border-color:var(--accent-g);color:var(--accent)}
@keyframes toastIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:translateX(0)}}

/* ─── ALERT ──────────────────────────────────────────────── */
.alert{padding:12px 16px;border-radius:var(--r);font-size:13px;border:1px solid;display:flex;align-items:flex-start;gap:9px;margin-bottom:16px}
.alert svg{width:15px;height:15px;flex-shrink:0;margin-top:1px}
.alert-success{background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.2);color:var(--success)}
.alert-error  {background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.2);color:var(--error)}

/* ─── FOOTER ─────────────────────────────────────────────── */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:56px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand-desc{font-size:13px;color:var(--text-m);margin-top:12px;line-height:1.6;max-width:260px}
.footer-socials{display:flex;gap:8px;margin-top:16px}
.social-btn{width:34px;height:34px;border-radius:var(--r);border:1px solid var(--border);background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--text-m);transition:.2s}
.social-btn:hover{border-color:var(--border-h);color:var(--text)}
.social-btn svg{width:15px;height:15px}
.footer-col-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--text-2);margin-bottom:14px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:13px;color:var(--text-m);transition:color .2s}
.footer-links a:hover{color:var(--text)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;border-top:1px solid var(--border)}
.footer-copy{font-size:12px;color:var(--text-m)}
.footer-status{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-m)}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 6px var(--success)}

/* ─── PAGE HERO (inner pages) ────────────────────────────── */
.page-hero{padding:56px 0 40px;position:relative;overflow:hidden}
.page-hero-glow{position:absolute;top:-100px;left:-100px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.1) 0%,transparent 70%);pointer-events:none}
.page-title-tag{display:inline-block;padding:3px 10px;border-radius:100px;background:var(--accent-dim);border:1px solid var(--accent-g);color:var(--accent);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;margin-bottom:12px}
.page-title{font-size:clamp(24px,4vw,38px);font-weight:800;letter-spacing:-.5px;line-height:1.2;margin-bottom:8px}
.page-desc{font-size:14px;color:var(--text-m)}
.page-section{padding:40px 0}

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-nav{display:none}
  .header-burger{display:flex}
  .hero-stats{gap:24px}
  .profile-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:72px 0 56px}
  .hero-title{letter-spacing:-1px}
  .hero-btns{gap:8px}
  .features-grid{grid-template-columns:1fr}
}