:root{
  --navy:#071525;
  --navy-2:#0D1B2A;
  --panel:#102338;
  --panel-2:#142B42;
  --turquoise:#30D5C8;
  --turquoise-2:#12B9C6;
  --white:#F6FAFC;
  --muted:#A9B4C2;
  --line:rgba(169,180,194,.18);
  --danger:#FF6B7A;
  --warning:#F6C85F;
  --success:#47D18C;
  --shadow:0 16px 50px rgba(0,0,0,.28);
  --radius:20px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:
 radial-gradient(circle at 18% 10%,rgba(48,213,200,.16),transparent 30%),
 linear-gradient(145deg,#06111f 0%,#0a1b2d 55%,#071525 100%);
 color:var(--white)}
body{min-height:100vh}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:var(--turquoise)}
img{max-width:100%}
.loading-screen{min-height:100vh;display:grid;place-items:center;align-content:center;gap:28px}
.loading-screen img{width:min(520px,82vw)}
.spinner{width:42px;height:42px;border:4px solid rgba(255,255,255,.15);border-top-color:var(--turquoise);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(380px,.9fr);gap:42px;align-items:center;padding:clamp(24px,5vw,72px)}
.auth-brand{max-width:760px}
.auth-brand img{width:min(620px,90%)}
.auth-brand h1{font-size:clamp(2rem,4vw,4.5rem);margin:28px 0 12px;line-height:1.02}
.gradient-text{background:linear-gradient(90deg,var(--turquoise),#8bf7ef);-webkit-background-clip:text;background-clip:text;color:transparent}
.auth-brand p{color:var(--muted);font-size:1.12rem;line-height:1.7;max-width:650px}
.feature-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill,.badge{border:1px solid rgba(48,213,200,.25);background:rgba(48,213,200,.09);color:#bffdf8;border-radius:999px;padding:8px 12px;font-size:.84rem}

.panel{background:linear-gradient(160deg,rgba(20,43,66,.94),rgba(8,25,41,.95));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.auth-card{padding:30px}
.tabs{display:grid;grid-template-columns:1fr 1fr;background:rgba(0,0,0,.18);padding:5px;border-radius:14px;margin-bottom:24px}
.tab-btn{border:0;background:transparent;color:var(--muted);padding:12px;border-radius:11px;font-weight:700}
.tab-btn.active{background:var(--turquoise);color:#022124}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.field{display:grid;gap:7px;margin-bottom:14px}
.field.full{grid-column:1/-1}
label{font-size:.86rem;color:#c7d3df;font-weight:650}
input,select,textarea{
 width:100%;border:1px solid rgba(169,180,194,.22);background:#091a2b;color:var(--white);
 padding:12px 13px;border-radius:12px;outline:none;transition:.2s
}
input:focus,select:focus,textarea:focus{border-color:var(--turquoise);box-shadow:0 0 0 3px rgba(48,213,200,.1)}
textarea{min-height:105px;resize:vertical}
.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-primary{background:linear-gradient(135deg,var(--turquoise),var(--turquoise-2));color:#032329}
.btn-secondary{background:#17324b;color:var(--white);border:1px solid var(--line)}
.btn-danger{background:rgba(255,107,122,.12);color:#ff9aa5;border:1px solid rgba(255,107,122,.25)}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-block{width:100%}
.helper{color:var(--muted);font-size:.82rem;line-height:1.5}
.error-box{background:rgba(255,107,122,.1);border:1px solid rgba(255,107,122,.3);color:#ffb0b9;padding:12px;border-radius:12px;margin-bottom:14px}

.app-shell{min-height:100vh;display:grid;grid-template-columns:270px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;padding:20px 16px;border-right:1px solid var(--line);background:rgba(5,17,30,.88);backdrop-filter:blur(18px);display:flex;flex-direction:column;z-index:30}
.sidebar-logo{width:220px;margin:2px auto 20px}
.user-chip{display:flex;align-items:center;gap:11px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:15px;padding:11px;margin-bottom:18px}
.avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;background:linear-gradient(135deg,var(--turquoise),#16679a);display:grid;place-items:center;font-weight:900;color:#04242b;flex:0 0 auto}
.avatar.large{width:88px;height:88px;border:4px solid var(--navy)}
.user-chip strong{display:block}
.user-chip small{color:var(--muted)}
.nav{display:grid;gap:5px;overflow:auto}
.nav button{border:0;background:transparent;color:#b9c6d3;text-align:left;padding:12px 13px;border-radius:12px;font-weight:700;display:flex;align-items:center;gap:11px}
.nav button:hover,.nav button.active{background:rgba(48,213,200,.11);color:var(--turquoise)}
.nav .icon{width:24px;text-align:center}
.sidebar-bottom{margin-top:auto;display:grid;gap:8px}
.main{min-width:0}
.topbar{height:74px;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(7,21,37,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.topbar h2{margin:0;font-size:1.15rem}
.topbar-actions{display:flex;gap:10px;align-items:center}
.menu-toggle{display:none}
.content{padding:28px;max-width:1500px;margin:0 auto}
.hero{padding:28px;margin-bottom:22px;display:flex;justify-content:space-between;gap:20px;align-items:center;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(48,213,200,.1);right:-80px;top:-140px}
.hero h1{font-size:clamp(1.65rem,3vw,2.7rem);margin:0 0 8px}
.hero p{color:var(--muted);margin:0;line-height:1.55}
.hero>*{position:relative;z-index:1}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{padding:20px}
.card h3{margin:0 0 14px}
.metric{padding:20px;position:relative;overflow:hidden}
.metric .label{color:var(--muted);font-size:.83rem}
.metric .value{font-size:2rem;font-weight:900;margin-top:8px}
.metric .accent{position:absolute;right:14px;top:14px;font-size:1.6rem;opacity:.75}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:26px 0 14px}
.section-head h2,.section-head h3{margin:0}
.empty{padding:34px;text-align:center;color:var(--muted)}
.list{display:grid;gap:12px}
.list-item{padding:15px;border:1px solid var(--line);background:rgba(255,255,255,.025);border-radius:14px}
.list-item-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.list-item h4{margin:0 0 5px}
.meta{color:var(--muted);font-size:.83rem;line-height:1.55}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.status{border-radius:999px;padding:5px 9px;font-size:.73rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.status.pending{background:rgba(246,200,95,.12);color:#ffe09a}
.status.accepted,.status.completed{background:rgba(71,209,140,.12);color:#8ff0b9}
.status.rejected,.status.cancelled{background:rgba(255,107,122,.12);color:#ff9ca7}
.profile-cover{height:220px;border-radius:var(--radius);background:linear-gradient(135deg,#0b3b54,#12b9c6);background-size:cover;background-position:center;position:relative}
.profile-row{display:flex;align-items:flex-end;gap:18px;margin:-46px 24px 20px;position:relative}
.profile-copy h2{margin:0}
.profile-copy p{margin:4px 0;color:var(--muted)}
.code-box{display:inline-flex;gap:8px;align-items:center;background:rgba(48,213,200,.12);border:1px dashed rgba(48,213,200,.45);padding:10px 13px;border-radius:12px;color:#bafaf5;font-weight:900;letter-spacing:.08em}
.post{padding:18px}
.post-head{display:flex;gap:11px;align-items:center;margin-bottom:12px}
.post-head .spacer{flex:1}
.post-text{white-space:pre-wrap;line-height:1.6;color:#e9f0f5}
.post-media{width:100%;max-height:520px;object-fit:cover;border-radius:15px;margin-top:12px;background:#07111d}
.post-actions{display:flex;gap:10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0;margin:13px 0}
.post-actions button{border:0;background:transparent;color:var(--muted);font-weight:750}
.post-actions button.active{color:var(--turquoise)}
.comment{padding:9px 11px;background:rgba(255,255,255,.035);border-radius:11px;margin-top:8px}
.comment strong{font-size:.84rem}
.comment p{margin:3px 0;font-size:.91rem}
.inline-form{display:flex;gap:8px;margin-top:10px}
.inline-form input{flex:1}
.media-preview{margin-top:10px;color:var(--turquoise);font-size:.85rem}
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.stat-chip{background:rgba(48,213,200,.08);border:1px solid rgba(48,213,200,.18);padding:9px;border-radius:11px;font-size:.84rem}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line);font-size:.9rem}
th{color:var(--muted)}
.toast{position:fixed;right:20px;bottom:20px;z-index:100;background:#18334b;color:white;border:1px solid var(--line);box-shadow:var(--shadow);padding:14px 17px;border-radius:13px;transform:translateY(120px);opacity:0;transition:.25s;max-width:360px}
.toast.show{transform:translateY(0);opacity:1}
.toast.error{border-color:rgba(255,107,122,.45);color:#ffc0c7}
.hide{display:none!important}
.mobile-overlay{display:none}

@media(max-width:1100px){
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .auth-page{grid-template-columns:1fr;padding:32px}
 .auth-brand{text-align:center;margin:auto}
 .feature-pills{justify-content:center}
}
@media(max-width:820px){
 .app-shell{grid-template-columns:1fr}
 .sidebar{position:fixed;left:-290px;width:270px;transition:.25s}
 .sidebar.open{left:0}
 .mobile-overlay{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:25}
 .menu-toggle{display:inline-flex}
 .topbar{padding:0 16px}
 .content{padding:16px}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .form-grid{grid-template-columns:1fr}
 .hero{padding:21px}
 .profile-row{align-items:center;flex-direction:column;text-align:center}
 .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:520px){
 .auth-page{padding:16px}
 .auth-card{padding:20px}
 .topbar-actions .desktop-only{display:none}
 .inline-form{flex-direction:column}
 .stats-grid{grid-template-columns:1fr}
}