:root{
  --blue:#1d9bf0;
  --blue-dark:#1a8cd8;
  --bg:#f7f9fa;
  --border:#e1e8ed;
  --text:#0f1419;
  --muted:#536471;
  --danger:#e0245e;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
.wrap{max-width:600px;margin:0 auto;padding:0 16px}
.wrap.wide{max-width:900px}

/* Topbar */
.topbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{font-size:22px;font-weight:800;color:var(--blue)}
.logo span{color:var(--text)}
.topbar-right{display:flex;align-items:center;gap:16px}
.icon-link{position:relative;font-weight:600;color:var(--muted)}
.icon-link:hover{color:var(--blue)}
.badge{background:var(--danger);color:#fff;font-size:11px;border-radius:10px;padding:1px 6px;margin-left:4px}
.user-chip{display:flex;align-items:center;gap:8px;font-weight:600}
.avatar-sm{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--border)}
.avatar-md{width:56px;height:56px;border-radius:50%;object-fit:cover;border:1px solid var(--border)}
.avatar-lg{width:80px;height:80px;border-radius:50%;object-fit:cover;border:1px solid var(--border)}

.main-wrap{padding-top:16px;padding-bottom:60px;min-height:70vh}

/* Home page layout with sidebar (desktop/web) */
.home-layout{display:flex;gap:24px;align-items:flex-start}
.home-sidebar{width:230px;flex-shrink:0;position:sticky;top:72px}
.home-feed{flex:1;min-width:0}
.sidebar-card{padding:20px 16px;text-align:center}
.sidebar-profile{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:18px}
.sidebar-login{font-weight:700;font-size:15px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.sidebar-link{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 12px;border-radius:8px;font-weight:600;font-size:14px;color:var(--text)}
.sidebar-link:hover{background:var(--bg)}
.sidebar-link-danger{color:var(--danger)}
.sidebar-link-danger:hover{background:#feecf0}

@media (max-width: 760px){
  .home-layout{display:block}
  .home-sidebar{display:none}
}

/* Buttons */
.btn{
  display:inline-block;background:var(--blue);color:#fff;border:none;
  padding:10px 20px;border-radius:24px;font-weight:700;font-size:15px;cursor:pointer;
}
.btn:hover{background:var(--blue-dark)}
.btn-sm{padding:6px 16px;font-size:14px}
.btn-outline{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.btn-outline:hover{background:#eaf5fd}
.btn-full{width:100%}
.btn-danger{background:var(--danger)}
.btn-danger:hover{background:#c01f50}

/* Cards */
.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:16px}
.stat-card{text-align:center}
.stat-card .num{font-size:32px;font-weight:800;color:var(--blue)}
.stat-card .label{color:var(--muted);font-size:14px}

/* Forms */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}
.form-group input[type=text],
.form-group input[type=password],
.form-group input[type=email],
.form-group select,
.form-group textarea{
  width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;
  font-size:15px;font-family:inherit;
}
.form-group textarea{resize:vertical}
.form-row{display:flex;gap:12px}
.form-row .form-group{flex:1}
.error{background:#feecf0;color:var(--danger);padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}
.success{background:#e8f8ee;color:#0e7a3d;padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}
.hint{color:var(--muted);font-size:13px;margin-top:4px}
.auth-box{max-width:400px;margin:40px auto}
.auth-box h1{text-align:center;font-size:24px;margin-bottom:20px}
.auth-links{text-align:center;margin-top:14px;font-size:14px;color:var(--muted)}
.auth-links a{color:var(--blue);font-weight:600}

/* Post composer */
.composer{display:flex;gap:12px}
.composer textarea{
  flex:1;border:none;resize:none;font-size:17px;font-family:inherit;
  min-height:60px;outline:none;padding-top:8px;
}
.composer-footer{display:flex;justify-content:flex-end;margin-top:8px}

/* Post */
.post{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--border)}
.post:last-child{border-bottom:none}
.post-body{flex:1}
.post-head{display:flex;gap:6px;align-items:baseline;font-size:15px}
.post-name{font-weight:700}
.post-login{color:var(--muted)}
.post-time{color:var(--muted);font-size:13px}
.post-content{margin-top:4px;font-size:15px;line-height:1.4;white-space:pre-wrap;word-break:break-word}

.empty-state{text-align:center;color:var(--muted);padding:40px 20px}

/* Profile */
.profile-header{text-align:center;padding:10px 0 20px}
.profile-header .ad-soyad{font-size:20px;font-weight:800;margin-top:10px}
.profile-header .login{color:var(--muted)}
.profile-about{margin-top:10px;font-size:14px;color:var(--text)}
.profile-meta{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--muted)}
.social-links{display:flex;justify-content:center;gap:14px;margin-top:10px}
.social-links a{color:var(--blue);font-weight:600;font-size:14px}
.profile-actions{margin-top:16px;text-align:center}
.profile-action-group{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.profile-action-group .btn{position:relative}
.btn-danger-outline{color:var(--danger);border-color:var(--danger)}
.btn-danger-outline:hover{background:#feecf0}

/* Friends list */
.friend-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.friend-row:last-child{border-bottom:none}
.friend-row .name-block{flex:1}
.friend-row .actions{display:flex;gap:8px}

.locked-notice{text-align:center;color:var(--muted);padding:30px 20px;font-size:14px}

.site-footer{text-align:center;color:var(--muted);font-size:13px;padding:24px 0 20px;border-top:1px solid var(--border);margin-top:20px}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:10px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
.footer-links a{color:var(--muted);font-weight:600}
.footer-links a:hover{color:var(--blue)}
.footer-copy{color:var(--muted)}

/* Language switcher */
.lang-switch{display:flex;gap:10px;justify-content:center}
.lang-switch a{font-size:12px;font-weight:700;color:var(--muted);padding:2px 8px;border-radius:4px}
.lang-switch a.active{color:#fff;background:var(--blue)}
.lang-switch a:hover:not(.active){color:var(--blue)}

/* Hashtag / mention links inside posts */
.tag-link, .mention-link{color:var(--blue);font-weight:600}
.tag-link:hover, .mention-link:hover{text-decoration:underline}

/* Static content pages */
.static-page h1{font-size:22px;margin-bottom:14px}
.static-page p{line-height:1.6;color:var(--text)}
.faq-item{margin-bottom:18px}
.faq-item .q{font-weight:700;margin-bottom:4px}
.faq-item .a{color:var(--muted);line-height:1.5}