:root {
  --bg0: #03060f; --bg1: #060c1a; --bg2: #091222;
  --bg3: #0d1830; --bg4: #111e3a; --bg5: #162444; --bg6: #1b2a4e;
  --b1: #0f1e3a; --b2: #162848; --b3: #1e3460;
  --t1: #e8f0ff; --t2: #7a9acc; --t3: #2e4470;
  --accent:  #3b82f6; --accent2: #2563eb; --accent3: #1d4ed8;
  --sky:     #38bdf8; --sky2:    #0ea5e9;
  --blue:    #3b82f6; --blue2:   #2563eb;
  --green:   #22c55e; --red:     #ef4444;
  --amber:   #f59e0b; --purple:  #8b5cf6;
  --glow:    rgba(59,130,246,.3);
  --soft:    rgba(59,130,246,.1);
  --r: 16px; --r-sm: 10px;
  --sidebar: 260px; --topbar: 60px;
  --tr: .2s cubic-bezier(.4,0,.2,1);
}

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

body {
  background: var(--bg1);
  color: var(--t1);
  font-family: 'Cairo', 'Segoe UI', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration:none; color:inherit; }
.hidden { display:none !important; }

/* ── Background ── */
body::before {
  content:''; position:fixed; inset:0; z-index:-1;
  background:
    radial-gradient(ellipse 70% 50% at 15% 0%,   rgba(59,130,246,.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 100%,  rgba(56,189,248,.08) 0%, transparent 50%),
    radial-gradient(ellipse 40% 60% at 50% 50%,   rgba(99,102,241,.05) 0%, transparent 65%);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--b3); border-radius:5px; }
::-webkit-scrollbar-thumb:hover { background:var(--accent2); }

/* ══ LAYOUT ══ */
#app { display:flex; min-height:100vh; position:relative; z-index:1; }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar);
  background: linear-gradient(180deg, rgba(14,14,26,.99) 0%, rgba(8,8,16,.99) 100%);
  border-left: 1px solid var(--b1);
  display:flex; flex-direction:column;
  position:fixed; top:0; right:0; bottom:0;
  z-index:200; overflow-y:auto;
  backdrop-filter: blur(32px);
}
.sidebar::before {
  content:''; position:absolute; top:0; left:0; bottom:0; width:1px;
  background: linear-gradient(180deg, transparent, rgba(59,130,246,.25), rgba(56,189,248,.1), transparent);
  pointer-events:none;
}
.sidebar-header {
  padding:20px 18px;
  border-bottom:1px solid var(--b1);
  display:flex; align-items:center; gap:12px;
  background: linear-gradient(135deg, rgba(59,130,246,.07) 0%, transparent 100%);
}
.sidebar-logo {
  width:40px; height:40px; border-radius:12px;
  object-fit:cover; flex-shrink:0;
  box-shadow: 0 4px 20px rgba(59,130,246,.4);
}
.sidebar-title { font-weight:900; font-size:15px; }

.sidebar-nav { flex:1; padding:12px 10px; }
.nav-section {
  font-size:10px; font-weight:800; color:var(--t3);
  text-transform:uppercase; letter-spacing:1.6px;
  padding:18px 10px 8px;
  display:flex; align-items:center; gap:8px;
}
.nav-section::after { content:''; flex:1; height:1px; background:linear-gradient(90deg, var(--b1), transparent); }

.nav-item {
  display:flex; align-items:center; gap:11px;
  padding:10px 13px; border-radius:12px;
  font-size:13px; color:var(--t2);
  cursor:pointer; transition:all var(--tr);
  margin-bottom:2px; position:relative;
  border:1px solid transparent; font-weight:600;
}
.nav-item:hover { background:rgba(59,130,246,.08); color:var(--t1); border-color:rgba(59,130,246,.15); }
.nav-item.active {
  background: linear-gradient(135deg, rgba(59,130,246,.18) 0%, rgba(59,130,246,.06) 100%);
  color:#93c5fd; font-weight:800;
  border-color:rgba(59,130,246,.3);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 2px 12px rgba(59,130,246,.1);
}
.nav-item.active::before {
  content:''; position:absolute; right:-1px; top:50%;
  transform:translateY(-50%);
  width:3px; height:60%;
  background: linear-gradient(180deg, var(--accent), var(--sky2));
  border-radius:2px 0 0 2px;
  box-shadow: 0 0 12px rgba(59,130,246,.8);
}
.nav-item svg { width:18px; flex-shrink:0; }

/* ── Main ── */
.main-content { flex:1; margin-right:var(--sidebar); min-height:100vh; display:flex; flex-direction:column; }

.topbar-main {
  height:var(--topbar);
  background: rgba(14,14,26,.96);
  border-bottom:1px solid var(--b1);
  padding:0 32px;
  display:flex; align-items:center; gap:16px;
  position:sticky; top:0; z-index:100;
  backdrop-filter:blur(24px);
  position:relative;
}
.topbar-main::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(59,130,246,.4), rgba(56,189,248,.2), transparent);
}
.page-title { flex:1; font-size:16px; font-weight:900; letter-spacing:-.3px; }

.page-content { padding:28px; flex:1; }

/* ══ CARD ══ */
.card {
  background: linear-gradient(145deg, rgba(14,14,26,.92) 0%, rgba(18,18,31,.92) 100%);
  border:1px solid var(--b1); border-radius:var(--r); padding:26px;
  margin-bottom:20px; backdrop-filter:blur(16px);
  transition:border-color var(--tr); position:relative; overflow:hidden;
}
.card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(59,130,246,.2), transparent);
}
.card:hover { border-color:rgba(59,130,246,.2); }
.card-header {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:22px; padding-bottom:18px; border-bottom:1px solid var(--b1);
}
.card-title { font-size:14px; font-weight:900; display:flex; align-items:center; gap:10px; }
.card-title svg { color:var(--sky); }

/* ══ FORMS ══ */
.form-group { margin-bottom:18px; }
.form-group label {
  display:block; font-size:11px; color:var(--t2);
  margin-bottom:8px; font-weight:800; text-transform:uppercase; letter-spacing:.9px;
}
.form-control {
  width:100%; background:rgba(8,8,16,.9); border:1px solid var(--b2);
  border-radius:12px; padding:11px 16px; color:var(--t1); font-size:14px;
  outline:none; transition:all var(--tr); font-family:inherit; font-weight:600;
}
.form-control:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(59,130,246,.14); background:rgba(8,8,16,.98); }
.form-control:hover:not(:focus) { border-color:var(--b3); }
.form-control::placeholder { color:var(--t3); }
select.form-control option { background:var(--bg4); }

/* ══ TOGGLE ══ */
.toggle-row { display:flex; align-items:center; justify-content:space-between; padding:16px 0; border-bottom:1px solid var(--b1); }
.toggle-row:last-child { border-bottom:none; }
.toggle-label { font-size:14px; font-weight:800; }
.toggle-desc  { font-size:12px; color:var(--t2); margin-top:4px; line-height:1.6; }
.toggle {
  position:relative; width:52px; height:29px;
  background:var(--bg6); border:1px solid var(--b3);
  border-radius:15px; cursor:pointer;
  transition:all .3s cubic-bezier(.4,0,.2,1); flex-shrink:0;
}
.toggle.on { background:linear-gradient(135deg, var(--accent), var(--sky2)); border-color:var(--accent); box-shadow:0 0 24px rgba(59,130,246,.5); }
.toggle::after { content:''; position:absolute; width:23px; height:23px; border-radius:50%; background:white; top:2px; left:2px; transition:transform .3s cubic-bezier(.4,0,.2,1); box-shadow:0 2px 8px rgba(0,0,0,.5); }
.toggle.on::after { transform:translateX(23px); }

/* ══ BUTTONS ══ */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 22px; border-radius:12px; border:none;
  cursor:pointer; font-size:13px; font-weight:800;
  transition:all var(--tr); font-family:inherit; white-space:nowrap;
}
.btn:hover { transform:translateY(-2px); }
.btn:active { transform:scale(.97); }
.btn:disabled { opacity:.4; cursor:not-allowed; transform:none; }

.btn-primary {
  background:linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  color:white; box-shadow:0 4px 20px rgba(59,130,246,.4);
  border:1px solid rgba(255,255,255,.1);
}
.btn-primary:hover { box-shadow:0 8px 32px rgba(59,130,246,.6); background:linear-gradient(135deg, #60a5fa 0%, var(--accent) 100%); }
.btn-danger  { background:linear-gradient(135deg, #f87171 0%, #ef4444 100%); color:white; box-shadow:0 4px 20px rgba(248,113,113,.3); border:1px solid rgba(255,255,255,.1); }
.btn-danger:hover { box-shadow:0 8px 28px rgba(248,113,113,.5); }
.btn-secondary { background:var(--bg5); color:var(--t1); border:1px solid var(--b2); }
.btn-secondary:hover { background:var(--bg4); border-color:rgba(59,130,246,.35); color:#93c5fd; }
.btn-sm { padding:7px 14px; font-size:12px; border-radius:9px; }
.btn-sm:hover { transform:none; }

/* ══ DROP ZONE ══ */
.drop-zone {
  border:1px dashed var(--b3); border-radius:14px; padding:40px;
  text-align:center; cursor:pointer;
  transition:all var(--tr); margin-bottom:18px;
  background:rgba(8,8,16,.4);
}
.drop-zone:hover, .drop-zone.active {
  border-color:var(--accent);
  background:rgba(59,130,246,.06);
  box-shadow:0 0 0 3px rgba(59,130,246,.08);
}
.drop-zone .dz-icon { font-size:32px; margin-bottom:10px; }
.drop-zone p { font-size:13px; color:var(--t2); font-weight:600; }
.drop-zone .dz-hint { font-size:11px; color:var(--t3); margin-top:6px; }
input[type=file] { display:none; }

/* ══ PROGRESS ══ */
.progress { height:3px; background:var(--b2); border-radius:3px; margin:14px 0; display:none; }
.progress-bar { height:100%; background:linear-gradient(90deg, var(--accent), var(--sky2)); border-radius:3px; width:0%; transition:width .3s; }

/* ══ FILE LIST ══ */
.files-list { display:flex; flex-direction:column; gap:8px; }
.file-item {
  background:rgba(8,8,16,.7); border:1px solid var(--b1);
  border-radius:12px; padding:12px 18px;
  display:flex; align-items:center; gap:14px;
  transition:all var(--tr);
}
.file-item:hover { border-color:rgba(59,130,246,.25); background:rgba(59,130,246,.04); }
.fi-icon {
  width:36px; height:36px; background:rgba(248,113,113,.12);
  border-radius:10px; display:flex; align-items:center; justify-content:center;
  font-size:16px; flex-shrink:0; color:#fca5a5;
}
.fi-info { flex:1; overflow:hidden; }
.fi-name { font-size:13px; font-weight:800; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; direction:ltr; }
.fi-link { font-size:11px; color:var(--accent); direction:ltr; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; margin-top:2px; }
.fi-actions { display:flex; gap:6px; flex-shrink:0; }

/* ══ STATUS ══ */
.status-msg { font-size:12px; color:var(--t2); margin-top:10px; min-height:18px; font-weight:600; }
.status-msg.success { color:#6ee7b7; }
.status-msg.error   { color:#fca5a5; }

/* ══ EMPTY STATE ══ */
.empty-state { text-align:center; padding:50px; color:var(--t3); font-size:13px; font-weight:600; }

/* ══ TOAST ══ */
.toast {
  position:fixed; bottom:28px; left:50%; transform:translateX(-50%);
  background:rgba(14,14,26,.98); border:1px solid var(--b3);
  border-radius:16px; padding:13px 28px;
  font-size:14px; font-weight:700; z-index:9999;
  backdrop-filter:blur(24px); animation:slideUp .3s cubic-bezier(.4,0,.2,1);
  box-shadow:0 20px 60px rgba(0,0,0,.7);
}
.toast-success { border-color:rgba(52,211,153,.4); color:#6ee7b7; }
.toast-error   { border-color:rgba(248,113,113,.4); color:#fca5a5; }
@keyframes slideUp {
  from { opacity:0; transform:translateX(-50%) translateY(20px); }
  to   { opacity:1; transform:translateX(-50%) translateY(0); }
}

/* ══ AUTH PAGE ══ */
.auth-page { min-height:100vh; display:flex; align-items:center; justify-content:center; position:relative; z-index:1; }
.auth-card {
  position:relative; z-index:1;
  background:linear-gradient(160deg, rgba(14,14,26,.97) 0%, rgba(18,18,31,.97) 100%);
  border:1px solid rgba(59,130,246,.2); border-radius:24px;
  padding:52px 44px; width:92%; max-width:400px; text-align:center;
  box-shadow:0 0 0 1px rgba(59,130,246,.06), 0 40px 100px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(40px); overflow:hidden;
}
.auth-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(59,130,246,.6), rgba(56,189,248,.4), transparent);
}
.auth-logo {
  width:76px; height:76px; border-radius:22px; object-fit:cover;
  margin:0 auto 18px; display:block;
  box-shadow:0 0 0 1px rgba(59,130,246,.3), 0 8px 32px rgba(59,130,246,.4);
}
.auth-card h1 {
  font-size:22px; font-weight:900; margin-bottom:8px;
  background:linear-gradient(135deg, var(--t1) 30%, var(--sky) 100%);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
.auth-card .subtitle { font-size:13px; color:var(--t2); margin-bottom:36px; line-height:1.7; }
.btn-discord {
  display:flex; align-items:center; justify-content:center; gap:10px;
  width:100%; padding:14px;
  background:linear-gradient(135deg, #5865f2, #4752c4);
  color:#fff; border-radius:14px; border:none;
  font-size:15px; font-weight:800; font-family:inherit;
  cursor:pointer; text-decoration:none;
  box-shadow:0 4px 24px rgba(88,101,242,.45);
  transition:all var(--tr);
}
.btn-discord:hover { transform:translateY(-3px); box-shadow:0 10px 36px rgba(88,101,242,.65); }
.alert { border-radius:10px; padding:11px 16px; font-size:13px; font-weight:700; margin-bottom:20px; }
.alert-error { background:rgba(248,113,113,.08); border:1px solid rgba(248,113,113,.3); color:#fca5a5; }
.alert-warn  { background:rgba(251,191,36,.08);  border:1px solid rgba(251,191,36,.3);  color:#fde68a; }