/* Game Control Center — Main Stylesheet */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #07070f;
  --surface:   #12122a;
  --surface2:  #0d0d1f;
  --border:    rgba(124,58,237,.25);
  --accent:    #7c3aed;
  --accent2:   #4f46e5;
  --cyan:      #06b6d4;
  --green:     #10b981;
  --red:       #ef4444;
  --amber:     #f59e0b;
  --text:      #e2e8f0;
  --text-muted:#94a3b8;
  --text-dim:  #4b5563;
  --sidebar-w: 240px;
  --radius:    12px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(124,58,237,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Sidebar ── */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: #0b0b1e;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 50;
  padding: 1.25rem 0;
}
.sidebar-brand {
  display: flex; align-items: center; gap: .6rem;
  padding: 0 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: .5rem;
  font-weight: 800; font-size: 1.05rem;
}
.brand-icon { font-size: 1.4rem; }
.brand-text  { background: linear-gradient(135deg,#a78bfa,#818cf8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-user {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem 1.25rem;
  margin-bottom: .25rem;
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .95rem; flex-shrink: 0;
}
.user-name   { font-size: .88rem; font-weight: 600; }
.user-status { font-size: .75rem; color: var(--text-muted); display: flex; align-items: center; gap: .3rem; }
.user-status.online .status-dot { background: var(--green); width: 6px; height: 6px; border-radius: 50%; display: inline-block; box-shadow: 0 0 5px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1}50%{opacity:.4} }
.nav-links { list-style: none; padding: 0 .75rem; flex: 1; }
.nav-links li { margin-bottom: .15rem; }
.nav-link {
  display: flex; align-items: center; gap: .6rem;
  padding: .6rem .75rem;
  border-radius: 8px;
  text-decoration: none; color: var(--text-muted);
  font-size: .88rem; font-weight: 500;
  transition: background .15s, color .15s;
}
.nav-link:hover { background: rgba(124,58,237,.12); color: var(--text); }
.nav-link.active { background: rgba(124,58,237,.2); color: #a78bfa; font-weight: 600; }
.nav-icon { font-size: 1rem; width: 1.2rem; text-align: center; }
.sidebar-footer { padding: .75rem 1.25rem; border-top: 1px solid var(--border); margin-top: auto; }
.btn-logout {
  width: 100%; background: transparent; border: 1px solid rgba(239,68,68,.3);
  color: #fca5a5; padding: .5rem; border-radius: 7px; font-size: .82rem; cursor: pointer;
  transition: background .15s;
}
.btn-logout:hover { background: rgba(239,68,68,.1); }

/* ── Main content ── */
main { min-height: 100vh; padding: 2rem; position: relative; z-index: 1; }
main.with-sidebar { margin-left: var(--sidebar-w); }

/* ── Page header ── */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 1.75rem; flex-wrap: wrap; gap: 1rem;
}
.page-title { font-size: 1.6rem; font-weight: 800; }
.page-sub   { color: var(--text-muted); font-size: .88rem; margin-top: .2rem; }

/* ── Stat row ── */
.stat-row { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.5rem;
  min-width: 120px;
}
.stat-card.highlight { border-color: rgba(245,158,11,.4); }
.stat-value { font-size: 2rem; font-weight: 800; color: #a78bfa; line-height: 1; }
.stat-card.highlight .stat-value { color: var(--amber); }
.stat-label { font-size: .78rem; color: var(--text-muted); margin-top: .3rem; text-transform: uppercase; letter-spacing: .04em; }

/* ── Grid layouts ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
@media (max-width:900px) { .grid-2 { grid-template-columns: 1fr; } }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(320px,1fr)); gap: 1.5rem; }

/* ── Panel ── */
.panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--border);
}
.panel-header h2 { font-size: 1rem; font-weight: 700; }

/* ── Room cards ── */
.room-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.04);
  gap: 1rem;
}
.room-card:last-child { border-bottom: none; }
.room-name  { font-size: .95rem; font-weight: 600; margin-bottom: .25rem; }
.room-meta  { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.room-game  { font-size: .78rem; color: var(--text-muted); }
.room-members { font-size: .78rem; color: var(--text-muted); }
.room-host  { font-size: .78rem; color: var(--text-dim); }
.room-actions { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }

/* ── Friends list ── */
.friend-row {
  display: flex; align-items: center; gap: .85rem;
  padding: .75rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.04);
}
.friend-row:last-child { border-bottom: none; }
.friend-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem; font-weight: 700; flex-shrink: 0;
  position: relative;
}
.friend-avatar.online  { background: linear-gradient(135deg,var(--green),#059669); }
.friend-avatar.offline { background: rgba(107,114,128,.3); color: #6b7280; }
.friend-avatar.online::after {
  content: ''; position: absolute; bottom: 1px; right: 1px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--green);
  border: 2px solid var(--surface);
}
.friend-info { flex: 1; min-width: 0; }
.friend-name { font-size: .9rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.friend-username { font-size: .78rem; color: var(--text-dim); margin-left: .4rem; font-weight: 400; }
.friend-status { font-size: .78rem; color: var(--text-muted); margin-top: .1rem; display: flex; align-items: center; gap: .3rem; }
.friend-actions { display: flex; gap: .4rem; flex-shrink: 0; }
.online-dot  { width: 6px; height: 6px; border-radius: 50%; background: var(--green); display: inline-block; }
.offline-dot { width: 6px; height: 6px; border-radius: 50%; background: #4b5563; display: inline-block; }

/* ── Badges ── */
.badge {
  display: inline-block; font-size: .72rem; font-weight: 600;
  padding: .2rem .55rem; border-radius: 99px; text-transform: uppercase; letter-spacing: .04em;
}
.badge-count { background: rgba(239,68,68,.2); color: #fca5a5; border-radius: 99px; padding: .1rem .55rem; font-size: .75rem; }
.badge-lan       { background: rgba(79,70,229,.2);  color: #818cf8; }
.badge-chat      { background: rgba(16,185,129,.15); color: #34d399; }
.badge-fileshare { background: rgba(245,158,11,.15); color: #fbbf24; }
.badge-public    { background: rgba(16,185,129,.12); color: #34d399; }
.badge-private   { background: rgba(239,68,68,.12);  color: #fca5a5; }

/* ── Buttons ── */
.btn-primary {
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  color: #fff; padding: .5rem 1.25rem; border: none; border-radius: 8px;
  font-weight: 700; font-size: .88rem; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: .4rem;
  transition: opacity .15s, transform .1s;
}
.btn-primary:hover { opacity: .9; transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--text-muted);
  padding: .5rem 1rem; border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px; font-size: .88rem; cursor: pointer; text-decoration: none;
  transition: background .15s, color .15s;
}
.btn-ghost:hover { background: rgba(255,255,255,.06); color: var(--text); }
.btn-danger {
  background: rgba(239,68,68,.15); color: #fca5a5;
  padding: .5rem 1.25rem; border: 1px solid rgba(239,68,68,.3);
  border-radius: 8px; font-size: .88rem; cursor: pointer;
  transition: background .15s;
}
.btn-danger:hover { background: rgba(239,68,68,.25); }
.btn-sm  { padding: .3rem .75rem; font-size: .8rem; border-radius: 6px; cursor: pointer; background: rgba(124,58,237,.2); border: 1px solid rgba(124,58,237,.35); color: #a78bfa; text-decoration: none; transition: background .15s; }
.btn-sm:hover { background: rgba(124,58,237,.35); }
.btn-xs  { padding: .2rem .55rem; font-size: .75rem; border-radius: 5px; cursor: pointer; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: var(--text-muted); text-decoration: none; }
.btn-xs:hover { background: rgba(255,255,255,.1); }
.btn-green { background: rgba(16,185,129,.2); border: 1px solid rgba(16,185,129,.35); color: #34d399; }
.btn-green:hover { background: rgba(16,185,129,.35); }
.link-sm { font-size: .8rem; color: #7c3aed; text-decoration: none; }
.link-sm:hover { text-decoration: underline; }
.link { color: #a78bfa; text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ── Forms ── */
.form-group { margin-bottom: .9rem; }
.form-group label { display: block; font-size: .82rem; color: var(--text-muted); margin-bottom: .35rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 7px; padding: .55rem .85rem; color: var(--text);
  font-size: .9rem; outline: none; transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus { border-color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.optional { color: var(--text-dim); font-size: .75rem; }

/* ── Modals ── */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,.6); backdrop-filter: blur(4px); }
.modal.hidden { display: none; }
.modal-box { background: #13132b; border: 1px solid var(--border); border-radius: 16px; padding: 1.75rem; width: min(480px,92vw); max-height: 90vh; overflow-y: auto; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.modal-header h3 { font-size: 1.1rem; font-weight: 700; }
.modal-close { background: transparent; border: none; color: var(--text-muted); font-size: 1.4rem; cursor: pointer; line-height: 1; padding: .25rem; }
.modal-close:hover { color: var(--text); }
.modal-actions { display: flex; gap: .75rem; justify-content: flex-end; margin-top: 1.25rem; }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 2.5rem 1rem; }
.empty-state.small { padding: 1.5rem 1rem; }
.empty-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.empty-state p { color: var(--text-muted); font-size: .9rem; }
.empty-state a { color: var(--accent); text-decoration: none; }

/* ── Misc panels ── */
.gamer-card-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.25rem; margin-top: 1.5rem; flex-wrap: wrap;
}
.gamer-card-banner h3 { font-size: 1rem; font-weight: 700; margin-bottom: .35rem; }
.gamer-card-banner p  { font-size: .85rem; color: var(--text-muted); }
.card-link-box { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.card-link-box input { background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; padding: .4rem .75rem; color: var(--text); font-size: .82rem; outline: none; min-width: 260px; }
.requests-banner {
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(245,158,11,.1); border-bottom: 1px solid rgba(245,158,11,.2);
  padding: .65rem 1.25rem; font-size: .85rem; color: #fbbf24;
}
.requests-panel .badge-count { margin-left: .5rem; }

/* ── Settings ── */
.settings-section { padding: .25rem 0; }
.settings-row { display: flex; align-items: center; justify-content: space-between; padding: .85rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.04); }
.settings-row:last-child { border-bottom: none; }
.settings-label { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-dim); margin-bottom: .2rem; }
.settings-value { font-size: .92rem; }
.settings-value.code { font-family: monospace; font-size: .82rem; color: #a78bfa; }

/* ── Chat ── */
.chat-messages { height: 340px; overflow-y: auto; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); display: flex; flex-direction: column; gap: .4rem; }
.chat-msg { font-size: .88rem; }
.chat-msg.system { color: var(--text-dim); font-style: italic; text-align: center; }
.msg-author { font-weight: 700; color: #a78bfa; margin-right: .4rem; }
.msg-text   { color: var(--text); }
.chat-input-row { display: flex; gap: .75rem; padding: .75rem 1.25rem; }
.chat-input-row input { flex: 1; }

/* ── Requests ── */
.requests-list .friend-row { padding: .75rem 1.25rem; }