@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --bg:#0a0a0f; --bg2:#111118; --bg3:#17171f; --bg4:#1e1e28;
  --border:rgba(255,255,255,0.07); --border2:rgba(255,255,255,0.13);
  --text:#f0f0f5; --text2:#9090a8; --text3:#5a5a72;
  --accent:#7c6af7; --accent2:#a594ff; --aglow:rgba(124,106,247,0.22);
  --teal:#2dd4a0; --teal-d:rgba(45,212,160,0.12);
  --coral:#ff6b6b; --coral-d:rgba(255,107,107,0.12);
  --amber:#f5a623; --amber-d:rgba(245,166,35,0.12);
  --blue:#4da6ff; --blue-d:rgba(77,166,255,0.12);
  --pink:#ff79c6; --pink-d:rgba(255,121,198,0.12);
  --fh:'Syne',sans-serif; --fb:'DM Sans',sans-serif;
  --r:10px; --r2:14px; --r3:18px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--fb);font-size:15px;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-thumb{background:var(--bg4);border-radius:2px}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* LAYOUT */
.app-shell{display:flex;min-height:100vh}
.sidebar{width:220px;flex-shrink:0;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:50;transition:transform .25s}
.page-content{flex:1;margin-left:220px;min-height:100vh}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay{display:block!important}
  .page-content{margin-left:0}
}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:49}

/* SIDEBAR */
.sidebar-logo{padding:1.25rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.logo{font-family:var(--fh);font-size:1.3rem;font-weight:800;letter-spacing:-.02em}
.logo span{color:var(--accent)}
.sidebar-nav{flex:1;padding:.75rem;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.nav-section{padding:8px 10px 4px;font-size:10px;font-weight:700;letter-spacing:.1em;color:var(--text3);text-transform:uppercase;margin-top:.5rem}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r);font-size:14px;color:var(--text2);transition:all .15s;text-decoration:none}
.nav-item:hover{background:var(--bg3);color:var(--text)}
.nav-item.active{background:rgba(124,106,247,.12);color:var(--accent2);font-weight:500}
.nav-icon{font-size:15px;width:18px;text-align:center;flex-shrink:0}
.sidebar-bottom{padding:.75rem;border-top:1px solid var(--border)}
.user-mini{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--r);cursor:pointer;transition:background .15s}
.user-mini:hover{background:var(--bg3)}
.user-mini-info{flex:1;min-width:0}
.user-mini-name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-mini-role{font-size:11px;color:var(--text3)}

/* TOPBAR */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(10,10,15,.88);backdrop-filter:blur(14px);z-index:40;gap:1rem;flex-wrap:wrap}
.topbar-title{font-family:var(--fh);font-size:1.2rem;font-weight:700}
.topbar-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.hamburger{display:none;background:none;border:1px solid var(--border2);border-radius:var(--r);padding:7px 10px;color:var(--text2);cursor:pointer;font-size:18px}
@media(max-width:768px){.hamburger{display:flex;align-items:center}}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--r);font-family:var(--fb);font-size:14px;font-weight:500;cursor:pointer;transition:all .18s;border:none;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#6b59e6;transform:translateY(-1px);box-shadow:0 8px 24px var(--aglow)}
.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border2)}
.btn-ghost:hover{background:var(--bg3);color:var(--text)}
.btn-danger{background:var(--coral-d);color:var(--coral);border:1px solid rgba(255,107,107,.2)}
.btn-danger:hover{background:rgba(255,107,107,.25)}
.btn-sm{padding:7px 14px;font-size:13px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-full{width:100%;justify-content:center}
.btn-icon{padding:8px;border-radius:var(--r);background:var(--bg3);border:1px solid var(--border);color:var(--text2);cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1}
.btn-icon:hover{background:var(--bg4);color:var(--text)}

/* FORMS */
.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:13px;font-weight:500;color:var(--text2)}
.form-hint{font-size:12px;color:var(--text3)}
.form-error{font-size:12px;color:var(--coral);margin-top:4px}
input,textarea,select{font-family:var(--fb);font-size:14px;color:var(--text);background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);padding:10px 14px;outline:none;transition:border-color .15s;width:100%}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--aglow)}
textarea{resize:vertical;min-height:90px;line-height:1.6}
input::placeholder,textarea::placeholder{color:var(--text3)}
select option{background:var(--bg3)}
.input-wrap{position:relative}
.input-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text3);pointer-events:none;font-size:15px}
.input-wrap input{padding-left:38px}

/* CARDS */
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:1.25rem}
.idea-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:1.25rem;display:flex;flex-direction:column;gap:10px;cursor:pointer;transition:all .2s;text-decoration:none;color:inherit;display:block}
.idea-card:hover{border-color:rgba(124,106,247,.35);transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,0,0,.4)}
.idea-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.idea-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:8px}
.idea-card-title{font-family:var(--fh);font-size:15px;font-weight:700;line-height:1.3}
.idea-card-desc{font-size:13px;color:var(--text2);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.idea-card-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:8px}
.idea-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--border)}

/* BADGES */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.03em;white-space:nowrap}
.b-purple{background:rgba(124,106,247,.15);color:var(--accent2)}
.b-teal{background:var(--teal-d);color:var(--teal)}
.b-coral{background:var(--coral-d);color:var(--coral)}
.b-amber{background:var(--amber-d);color:var(--amber)}
.b-blue{background:var(--blue-d);color:var(--blue)}
.b-pink{background:var(--pink-d);color:var(--pink)}
.b-gray{background:rgba(255,255,255,.06);color:var(--text2)}

/* AVATAR */
.avatar{border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-family:var(--fh);font-weight:700;flex-shrink:0}
.av-xs{width:24px;height:24px;font-size:9px}
.av-sm{width:32px;height:32px;font-size:11px}
.av-md{width:42px;height:42px;font-size:14px}
.av-lg{width:56px;height:56px;font-size:18px}
.av-xl{width:76px;height:76px;font-size:24px}
.av-stack{display:flex}
.av-stack .avatar{border:2px solid var(--bg2);margin-left:-8px}
.av-stack .avatar:first-child{margin-left:0}

/* TIMELINE */
.timeline{display:flex;flex-direction:column}
.tl-item{display:flex;gap:12px;padding-bottom:18px}
.tl-item:last-child{padding-bottom:0}
.tl-left{display:flex;flex-direction:column;align-items:center;width:20px;flex-shrink:0}
.tl-dot{width:12px;height:12px;border-radius:50%}
.tl-done{background:var(--teal);box-shadow:0 0 8px rgba(45,212,160,.5)}
.tl-now{background:var(--accent);box-shadow:0 0 8px var(--aglow);animation:pulse 2s infinite}
.tl-next{background:var(--bg4);border:1px solid var(--border2)}
@keyframes pulse{0%,100%{box-shadow:0 0 8px var(--aglow)}50%{box-shadow:0 0 18px rgba(124,106,247,.6)}}
.tl-line{width:1px;flex:1;background:var(--border);margin-top:4px}
.tl-label{font-size:13px;font-weight:500}
.tl-date{font-size:11px;color:var(--text3);margin-top:2px}

/* VOTE */
.vote-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--text2);font-size:12px;cursor:pointer;transition:all .15s;font-family:var(--fb)}
.vote-btn:hover,.vote-btn.voted{border-color:var(--accent);color:var(--accent2);background:rgba(124,106,247,.1)}

/* CONTRIB */
.contrib-item{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid var(--border)}
.contrib-item:last-child{border-bottom:none}
.contrib-body{flex:1}
.contrib-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.contrib-name{font-size:13px;font-weight:600}
.contrib-time{font-size:11px;color:var(--text3)}
.contrib-text{font-size:13px;color:var(--text2);line-height:1.6}
.contrib-box{background:var(--bg3);border:1px solid var(--border);border-radius:var(--r2);padding:1rem;margin-top:1rem}
.contrib-box textarea{background:transparent;border:none;padding:0;min-height:60px}
.contrib-box textarea:focus{box-shadow:none}
.contrib-footer-row{display:flex;align-items:center;justify-content:space-between;margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}

/* PROFILE */
.profile-header-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:2rem;margin-bottom:1.25rem;position:relative;overflow:hidden}
.profile-bg{position:absolute;top:0;left:0;right:0;height:90px;background:linear-gradient(135deg,rgba(124,106,247,.1),rgba(45,212,160,.05));pointer-events:none}
.profile-info{position:relative;z-index:1;display:flex;align-items:flex-end;gap:1.25rem;flex-wrap:wrap}
.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:1.25rem}
.p-stat{background:var(--bg3);border-radius:var(--r);padding:12px;text-align:center}
.p-stat-num{font-family:var(--fh);font-size:1.4rem;font-weight:800}
.p-stat-label{font-size:11px;color:var(--text3);margin-top:2px}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(6px);z-index:100;display:flex;align-items:center;justify-content:center;padding:1rem;opacity:0;pointer-events:none;transition:opacity .2s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-box{background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r3);padding:1.75rem;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;transform:translateY(20px);transition:transform .25s}
.modal-overlay.open .modal-box{transform:translateY(0)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}
.modal-title{font-family:var(--fh);font-size:1.2rem;font-weight:700}

/* TOAST */
#toast{position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%) translateY(80px);background:var(--bg4);border:1px solid var(--border2);color:var(--text);padding:11px 20px;border-radius:var(--r2);font-size:13px;z-index:200;transition:transform .3s;white-space:nowrap;pointer-events:none}
#toast.show{transform:translateX(-50%) translateY(0)}

/* SKILL CHIPS */
.skill-chip{padding:5px 12px;border:1px solid var(--border2);border-radius:20px;font-size:12px;cursor:pointer;color:var(--text2);transition:all .15s;background:transparent;display:inline-block}
.skill-chip.on,.skill-chip.selected{background:rgba(124,106,247,.15);border-color:var(--accent);color:var(--accent2)}
.skill-grid{display:flex;flex-wrap:wrap;gap:6px}

/* LANG SELECTOR */
.lang-selector{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;padding:7px 12px;border-radius:var(--r);background:var(--bg3);border:1px solid var(--border);color:var(--text2);cursor:pointer;font-size:13px;font-family:var(--fb);transition:all .15s}
.lang-btn:hover{border-color:var(--border2);color:var(--text)}
.lang-flag{font-size:16px;line-height:1}
.lang-dropdown{position:absolute;top:calc(100% + 6px);right:0;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--r2);min-width:180px;z-index:300;overflow:hidden;box-shadow:0 16px 48px rgba(0,0,0,.5);opacity:0;transform:translateY(-6px);pointer-events:none;transition:all .18s}
.lang-dropdown.open{opacity:1;transform:translateY(0);pointer-events:all}
.lang-option{display:flex;align-items:center;gap:10px;padding:9px 14px;font-size:13px;cursor:pointer;color:var(--text2);transition:background .12s}
.lang-option:hover{background:var(--bg3);color:var(--text)}
.lang-option.active{color:var(--accent2);background:rgba(124,106,247,.08)}
.lang-name{flex:1}
.lang-code{font-size:11px;color:var(--text3);font-family:var(--fh)}

/* EMPTY */
.empty-state{text-align:center;padding:4rem 2rem}
.empty-icon{font-size:3rem;opacity:.35;margin-bottom:1rem}
.empty-title{font-family:var(--fh);font-size:1.1rem;font-weight:700;margin-bottom:6px}
.empty-sub{font-size:13px;color:var(--text2);line-height:1.6}

/* MISC */
.divider{height:1px;background:var(--border);margin:1rem 0}
.divider-or{display:flex;align-items:center;gap:10px;color:var(--text3);font-size:12px;margin:.5rem 0}
.divider-or::before,.divider-or::after{content:'';flex:1;height:1px;background:var(--border)}
.section-title{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text3);margin-bottom:10px}
.accent-line{height:3px;background:linear-gradient(90deg,var(--accent),var(--teal),transparent);border-radius:2px;margin-bottom:1rem}
.match-bar{height:3px;background:var(--border);border-radius:2px;overflow:hidden;margin-top:4px}
.match-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--teal));border-radius:2px}

/* EXPLORE PERSON CARD */
.person-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r2);padding:1.25rem;display:flex;flex-direction:column;gap:8px;cursor:pointer;transition:all .2s}
.person-card:hover{border-color:rgba(124,106,247,.35);transform:translateY(-2px)}
.person-name{font-family:var(--fh);font-size:15px;font-weight:700}

/* NOTIF */
.notif-item{display:flex;gap:12px;padding:10px;border-radius:var(--r);cursor:pointer;transition:background .15s;margin-bottom:2px}
.notif-item:hover{background:var(--bg3)}
.notif-item.unread .notif-text{color:var(--text)}
.notif-text{font-size:13px;color:var(--text2);line-height:1.5}
.notif-time{font-size:11px;color:var(--text3);margin-top:3px}
.unread-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:5px}

/* FILTER BTNS */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:1.25rem}
.filter-btn{padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:transparent;color:var(--text2);transition:all .15s;font-family:var(--fb)}
.filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.filter-btn:hover:not(.active){border-color:var(--border2);color:var(--text)}

/* DETAIL PAGE */
.detail-grid{display:grid;grid-template-columns:1fr 280px;gap:1.5rem;align-items:start}
@media(max-width:860px){.detail-grid{grid-template-columns:1fr}}
@media(max-width:600px){
  .topbar{padding:.75rem 1rem}
  .page-content .content-wrap{padding:1rem}
  .idea-grid{grid-template-columns:1fr}
  .profile-stats{grid-template-columns:repeat(3,1fr)}
}
.content-wrap{padding:1.5rem 2rem}
@media(max-width:600px){.content-wrap{padding:1rem}}