/* ─── Import fonts ───────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Space+Mono:wght@400;700&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ─── Reset ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

:root{
  --bg:#04040c;
  --bg2:#08080f;
  --bg3:#0d0d1a;
  --border:#1a1a2e;
  --border2:#2a2a44;
  --text:#e0e0f0;
  --text2:#9999bb;
  --text3:#44445a;
  --red:#cc1a1a;
  --red-dark:#a01212;
  --red-light:#ff3a2a;
  --red-glow:#cc1a1a44;
  --orange:#f97316;
  --white:#f0f0ff;
  --gold:#fbbf24;
  --font-body:'DM Sans',sans-serif;
  --font-display:'Bebas Neue',cursive;
  --font-mono:'Space Mono',monospace;
}

html,body{
  height:100%;
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  font-size:14px;
  line-height:1.5;
  overflow:hidden;
}

/* ── Animated background radials ── */
body::before{
  content:'';
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 50% 40% at 0% 0%, #cc1a1a08 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 100% 100%, #fbbf2405 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 50% 50%, #0d0d22 0%, transparent 100%);
}

/* ─── Layout ────────────────────────────────────────────── */
body{display:flex;height:100vh;overflow:hidden;}
.sidebar{
  width:224px;min-width:224px;
  background:#030309;
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  overflow-y:auto;
  position:relative;z-index:1;
}
.main{flex:1;overflow-y:auto;background:transparent;position:relative;z-index:1;}

/* ─── Sidebar ───────────────────────────────────────────── */
.sidebar-logo{
  padding:28px 20px 20px;
  border-bottom:1px solid var(--border);
  text-align:center;
  position:relative;
}
.sidebar-logo::after{
  content:'';position:absolute;bottom:-1px;left:20%;right:20%;height:1px;
  background:linear-gradient(90deg,transparent,var(--red)55,transparent);
}
.logo-ghost{
  font-size:40px;margin-bottom:6px;display:block;
  animation:ghostFloat 4s ease-in-out infinite;
  filter:drop-shadow(0 0 12px var(--red-glow));
}
@keyframes ghostFloat{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-4px);}
}
.logo-title{
  font-family:var(--font-display);
  font-size:24px;color:var(--red);letter-spacing:5px;
  text-shadow:0 0 20px var(--red-glow);
}
.logo-sub{font-size:10px;color:#22223a;letter-spacing:3px;margin-top:3px;font-family:var(--font-mono);}

.sidebar-nav{display:flex;flex-direction:column;padding:12px 8px;gap:2px;flex:1;}
.nav-btn{
  background:transparent;border:none;
  color:var(--text3);font-size:13px;font-family:var(--font-body);
  text-align:left;padding:10px 14px;border-radius:8px;
  cursor:pointer;transition:all .2s;text-decoration:none;display:block;
  position:relative;letter-spacing:.01em;
}
.nav-btn:hover{background:var(--bg3);color:var(--text2);}
.nav-btn.active{
  background:var(--bg3);color:var(--white);font-weight:600;
  border-left:2px solid var(--red);
  box-shadow:inset 0 0 20px #cc1a1a08;
}
.nav-btn.active::before{
  content:'';position:absolute;right:10px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--red);
  box-shadow:0 0 6px var(--red);
}
.nav-live{
  color:var(--red)!important;
  border:1px solid var(--red)22 !important;
  margin-top:10px;text-align:center!important;
  font-weight:600!important;
}
.nav-live:hover{background:var(--red)0d!important;border-color:var(--red)44!important;}

.sidebar-bottom{padding:14px 16px;border-top:1px solid var(--border);}
.sidebar-count{font-size:11px;color:#22223a;margin-bottom:3px;font-family:var(--font-mono);}
.sidebar-version{font-size:10px;color:#14141e;font-family:var(--font-mono);}

/* ─── Pages ─────────────────────────────────────────────── */
.page{display:none;padding:28px 36px 80px;min-height:100%;}
.page.active{display:block;animation:pageIn .25s ease;}
@keyframes pageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.page-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:22px;flex-wrap:wrap;gap:10px;
}
.page-header h1{
  font-family:var(--font-display);
  font-size:28px;color:var(--white);
  letter-spacing:2px;
}
.header-sub{font-size:13px;font-weight:400;color:var(--text3);margin-left:8px;font-family:var(--font-mono);}
.header-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}

/* ─── Cards ─────────────────────────────────────────────── */
.card{
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:14px;
  padding:16px 18px;margin-bottom:14px;
  position:relative;overflow:hidden;
  transition:border-color .2s;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border2),transparent);
}
.card:hover{border-color:var(--border2);}
.card-title{
  font-size:11px;font-weight:700;
  color:var(--red);margin-bottom:12px;
  text-transform:uppercase;letter-spacing:.08em;
  font-family:var(--font-mono);
}

/* ─── Sync bar ──────────────────────────────────────────── */
.sync-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.sync-label{font-size:12px;color:var(--text3);font-family:var(--font-mono);}
.progress-bar{flex:1;height:3px;background:#111;border-radius:2px;overflow:hidden;}
.progress-fill{
  height:100%;background:var(--red);border-radius:2px;
  transition:width .5s;width:0%;
  box-shadow:0 0 8px var(--red-glow);
}

/* ─── Stats ─────────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px;}
.stat-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:12px;
  padding:16px;text-align:center;
  transition:border-color .2s,transform .2s;
  position:relative;overflow:hidden;
}
.stat-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border2),transparent);
}
.stat-card:hover{border-color:var(--border2);transform:translateY(-2px);}
.stat-icon{font-size:22px;margin-bottom:6px;}
.stat-val{
  font-family:var(--font-display);
  font-size:30px;letter-spacing:1px;
  color:var(--red);
  text-shadow:0 0 12px var(--red-glow);
}
.stat-label{font-size:11px;color:var(--text3);margin-top:3px;font-family:var(--font-mono);}

/* ─── Alerts ─────────────────────────────────────────────── */
.alerts-card{border-color:var(--red)22;}
.alert-row{
  display:flex;align-items:center;gap:8px;
  padding:7px 0;border-bottom:1px solid #080812;font-size:13px;
}
.alert-row:last-child{border-bottom:none;}
.alert-danger{color:#cc6666;}
.alert-warn{color:#cc8833;}
.alert-info{color:#445577;}
.alert-icon{font-size:15px;}

/* ─── Crew ──────────────────────────────────────────────── */
.crew-scroll{display:flex;gap:10px;overflow-x:auto;padding-bottom:10px;}
.crew-tile{
  flex-shrink:0;width:158px;
  background:#06060f;
  border:1px solid transparent;
  border-radius:14px;padding:14px 12px;text-align:center;
  text-decoration:none;
  transition:transform .2s,border-color .2s,box-shadow .2s;
  position:relative;overflow:hidden;
}
.crew-tile::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border2),transparent);
  opacity:0;transition:.2s;
}
.crew-tile:hover{transform:translateY(-3px);box-shadow:0 8px 24px #00000055;}
.crew-tile:hover::before{opacity:1;}
.crew-emoji{font-size:28px;margin-bottom:6px;}
.crew-name{font-size:13px;font-weight:700;margin-bottom:2px;}
.crew-title{font-size:10px;margin-bottom:2px;font-family:var(--font-mono);}
.crew-branch{font-size:10px;margin-bottom:4px;}
.crew-elo{
  font-family:var(--font-display);
  font-size:18px;letter-spacing:1px;
  color:var(--red);margin-bottom:2px;
  text-shadow:0 0 8px var(--red-glow);
}
.crew-badge{font-size:10px;}
.crew-haki{font-size:9px;margin-top:2px;font-family:var(--font-mono);}

/* ─── Velocity badge ────────────────────────────────────── */
.vel-badge{
  display:inline-block;font-size:11px;font-weight:600;
  padding:2px 8px;border-radius:20px;border:1px solid transparent;
  font-family:var(--font-mono);
}

/* ─── Trends ─────────────────────────────────────────────── */
.trends-grid{display:flex;flex-direction:column;gap:5px;}
.trend-row{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;background:#06060f;border-radius:8px;
  transition:background .15s;
}
.trend-row:hover{background:#08080f;}
.trend-label{font-size:12px;color:var(--text3);min-width:180px;font-family:var(--font-mono);}
.trend-val{font-size:13px;font-weight:700;}
.trend-val.red{color:var(--red);}
.trend-val.orange{color:var(--orange);}

/* ─── Devoirs dashboard ──────────────────────────────────── */
.devoir-row{
  display:flex;align-items:center;gap:8px;
  padding:7px 0;border-bottom:1px solid #08080f;font-size:13px;
}
.devoir-row:last-child{border-bottom:none;}
.devoir-name{color:var(--red);font-weight:700;min-width:90px;font-family:var(--font-mono);}
.devoir-title{color:#7777aa;flex:1;}
.devoir-due{font-size:11px;color:var(--text3);font-family:var(--font-mono);}
.devoir-status{font-size:11px;color:var(--text3);}

/* ─── Students grid ──────────────────────────────────────── */
.students-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.student-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:14px;
  overflow:hidden;transition:border-color .2s,transform .2s,box-shadow .2s;
}
.student-card:hover{
  border-color:var(--border2);
  transform:translateY(-3px);
  box-shadow:0 8px 28px #00000044;
}
.student-rank-stripe{
  background:#05050e;border-bottom:1px solid var(--border);
  padding:9px 13px;display:flex;align-items:center;gap:6px;
  border-left:3px solid transparent;flex-wrap:wrap;
}
.rank-title{font-size:12px;font-weight:600;font-family:var(--font-mono);}
.rank-elo{
  font-family:var(--font-display);
  font-size:16px;letter-spacing:1px;
  color:var(--red);margin-left:auto;
  text-shadow:0 0 8px var(--red-glow);
}
.haki-badge{font-size:10px;padding:1px 6px;font-family:var(--font-mono);}
.student-name{font-size:15px;font-weight:700;color:var(--white);padding:10px 13px 2px;}
.student-meta{font-size:12px;color:var(--text3);padding:0 13px 2px;font-family:var(--font-mono);}
.student-lichess{font-size:11px;color:#22223a;padding:0 13px;font-family:var(--font-mono);}
.student-style{font-size:12px;color:#55558a;padding:3px 13px 0;}
.student-actions{display:flex;gap:7px;padding:8px 13px 12px;}
.search-input{
  background:var(--bg2);border:1px solid var(--border2);border-radius:8px;
  color:var(--text);font-size:13px;padding:7px 12px;
  font-family:var(--font-mono);width:220px;
  transition:border-color .2s;
}
.search-input:focus{outline:none;border-color:var(--red)66;}

/* ─── Sessions ───────────────────────────────────────────── */
.session-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:12px;padding:13px 16px;margin-bottom:8px;
  transition:border-color .15s;position:relative;overflow:hidden;
}
.session-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border2),transparent);
}
.session-card:hover{border-color:var(--border2);}
.session-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:5px;}
.session-date{
  font-family:var(--font-display);font-size:16px;
  color:var(--red);letter-spacing:1px;
}
.session-dur{font-size:12px;color:var(--text3);font-family:var(--font-mono);}
.session-theme{font-size:13px;color:var(--white);font-weight:600;}
.session-present{font-size:12px;color:var(--text3);margin-bottom:3px;font-family:var(--font-mono);}
.session-notes{font-size:13px;color:#55558a;line-height:1.5;}

/* ─── ELO table ──────────────────────────────────────────── */
.elo-table-wrap{overflow-x:auto;}
.elo-table{width:100%;border-collapse:collapse;font-size:13px;}
.elo-table th{
  text-align:left;padding:8px 10px;
  font-size:10px;font-weight:700;
  color:var(--text3);border-bottom:1px solid var(--border);
  text-transform:uppercase;letter-spacing:.08em;font-family:var(--font-mono);
}
.elo-table td{
  padding:10px 10px;border-bottom:1px solid #08080f;color:var(--text2);
}
.elo-table tr:last-child td{border-bottom:none;}
.elo-table tr:hover td{background:#06060f;}
.elo-table .elo-val{
  font-family:var(--font-display);font-size:16px;
  color:var(--red);letter-spacing:1px;
}

/* ─── Style rows ─────────────────────────────────────────── */
.style-row{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid #08080f;}
.style-row:last-child{border-bottom:none;}
.style-name{font-size:13px;font-weight:700;color:var(--red);min-width:100px;font-family:var(--font-mono);}
.style-val{font-size:12px;color:#55558a;}

/* ─── Buttons ────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:5px;
  padding:7px 15px;border-radius:8px;border:none;
  font-size:13px;font-family:var(--font-body);font-weight:600;
  cursor:pointer;transition:all .2s;text-decoration:none;
  position:relative;overflow:hidden;
}
.btn:active{transform:scale(.96);}
.btn-red{
  background:var(--red);color:#fff;
  box-shadow:0 0 0 var(--red-glow);
}
.btn-red:hover{
  background:var(--red-light);
  box-shadow:0 0 20px var(--red-glow);
}
/* shimmer on red btn */
.btn-red::after{
  content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;
  background:linear-gradient(90deg,transparent,#ffffff22,transparent);
  transform:skewX(-15deg);transition:left .4s;
}
.btn-red:hover::after{left:150%;}

.btn-ghost{
  background:transparent;
  border:1px solid var(--border2);color:#555566;
}
.btn-ghost:hover{background:var(--bg3);color:var(--white);border-color:#4a4a7a;}
.btn-danger{
  background:#0f0508;border:1px solid #3f1010;color:#994444;
}
.btn-danger:hover{background:#150808;}
.btn-full{width:100%;justify-content:center;}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px;}
.btn-xs{padding:3px 7px;font-size:11px;border-radius:5px;}

/* ─── Inputs ─────────────────────────────────────────────── */
.input-field,.fi{
  background:var(--bg3);border:1px solid var(--border2);border-radius:7px;
  color:var(--text);font-size:13px;padding:7px 10px;
  font-family:var(--font-body);transition:border-color .2s;
}
.input-field:focus,.fi:focus{outline:none;border-color:var(--red)66;}
select.fi{cursor:pointer;}
input[type="date"],input[type="datetime-local"]{
  background:var(--bg3);border:1px solid var(--border2);border-radius:7px;
  color:var(--text);font-size:13px;padding:7px 10px;
  font-family:var(--font-mono);color-scheme:dark;
  transition:border-color .2s;
}
input[type="date"]:focus,input[type="datetime-local"]:focus{outline:none;border-color:var(--red)66;}

/* ─── Modal ──────────────────────────────────────────────── */
.modal-overlay{
  display:none;position:fixed;inset:0;
  background:rgba(4,4,12,.88);
  backdrop-filter:blur(6px);
  z-index:100;align-items:center;justify-content:center;padding:20px;
}
.modal-overlay.open{display:flex;animation:modalIn .2s ease;}
@keyframes modalIn{from{opacity:0}to{opacity:1}}
.modal-box{
  background:var(--bg2);border:1px solid var(--border2);
  border-radius:18px;width:100%;max-width:480px;overflow:hidden;
  animation:modalBoxIn .2s cubic-bezier(.175,.885,.32,1.275);
  box-shadow:0 24px 64px #00000088;
  position:relative;
}
.modal-box::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border2),transparent);
}
@keyframes modalBoxIn{from{transform:scale(.95) translateY(10px)}to{transform:scale(1) translateY(0)}}
.modal-sm{max-width:440px;}
.modal-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--border);
}
.modal-header h2{
  font-family:var(--font-display);font-size:20px;
  color:var(--white);letter-spacing:1px;
}
.modal-close{
  background:var(--bg3);border:1px solid var(--border2);
  border-radius:6px;padding:4px 9px;
  color:var(--text3);font-size:13px;cursor:pointer;transition:.2s;
}
.modal-close:hover{color:var(--white);border-color:#4a4a7a;}
.modal-body{overflow-y:auto;max-height:70vh;}
.form-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.form-row label{font-size:12px;color:var(--text3);min-width:110px;font-family:var(--font-mono);}

/* ─── Toast ──────────────────────────────────────────────── */
.toast{
  position:fixed;bottom:24px;left:50%;
  transform:translateX(-50%) translateY(20px);
  background:var(--bg3);border:1px solid var(--border2);
  color:var(--text);font-size:13px;padding:10px 20px;border-radius:12px;
  z-index:999;opacity:0;transition:all .3s;white-space:nowrap;pointer-events:none;
  box-shadow:0 8px 24px #00000055;
  font-family:var(--font-mono);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ─── Empty ──────────────────────────────────────────────── */
.empty-state{text-align:center;padding:50px;color:#22223a;font-size:14px;line-height:2;}

/* ─── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar{width:3px;height:3px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:#1a1a2e;border-radius:2px;}
::-webkit-scrollbar-thumb:hover{background:var(--red)88;}

/* ─── Sort cols ─────────────────────────────────────────── */
.sort-col{cursor:pointer;user-select:none;}
.sort-col:hover{color:var(--red);}
.sort-col.active-sort{color:var(--red);font-weight:700;}
.sort-arrow{font-size:9px;margin-left:2px;}

/* ─── Responsive ─────────────────────────────────────────── */
@media(max-width:900px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .students-grid{grid-template-columns:1fr;}
  .sidebar{width:58px;min-width:58px;}
  .sidebar .logo-title,.sidebar .logo-sub,.sidebar-count,.sidebar-version{display:none;}
  .sidebar .logo-ghost{font-size:26px;}
  .nav-btn{padding:11px;text-align:center;font-size:0;}
  .nav-btn.active::before{display:none;}
  .page{padding:20px 16px 80px;}
}

/* V11 HARD FIX — modales nettes dans l'app-shell/iframe */
.modal-overlay{
  backdrop-filter:none!important;
  -webkit-backdrop-filter:none!important;
  background:rgba(2,2,10,.58)!important;
  filter:none!important;
  -webkit-filter:none!important;
  z-index:999999!important;
  overflow:auto!important;
  padding:64px 20px 160px!important;
  align-items:flex-start!important;
}
.modal-overlay.open{display:flex!important;}
.modal-overlay:not(.open){display:none!important;}
.modal-overlay .modal-box,
.modal-box{
  filter:none!important;
  -webkit-filter:none!important;
  opacity:1!important;
  transform:none!important;
  z-index:1000000!important;
  position:relative!important;
  margin:auto!important;
  background:#080812!important;
  border:1px solid #3a315a!important;
  box-shadow:0 24px 90px rgba(0,0,0,.75)!important;
}
.modal-overlay *{filter:none!important;-webkit-filter:none!important;}