/* ═══════════════════════════════════════════
   PAGES.CSS — Auth, Home, Plans, Invite, Profile, Buy modals
═══════════════════════════════════════════ */

/* ── AUTH ── */
.auth-screen {
  position:fixed; inset:0; z-index:500;
  background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:32px 24px;
}
.subscription-plan-icon {
  width: 1.5em;
  height: 1.5em;
  vertical-align: middle;
  display: inline-block;
}
.auth-screen.hidden { display:none; }
.auth-logo {
  font-family:'Syne',sans-serif;font-size:38px;font-weight:800;
  background:linear-gradient(135deg,#c084fc,#a855f7,#7c3aed);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px;
}
.auth-tagline { font-size:14px;color:var(--t2);margin-bottom:42px;text-align:center; }
.auth-divider { display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--t2);font-size:12px; }
.auth-divider::before,.auth-divider::after { content:'';flex:1;height:1px;background:var(--b); }
.auth-btn-social {
  display:flex;align-items:center;justify-content:center;gap:10px;
  padding:14px;border-radius:var(--Rsm);font-size:15px;font-weight:500;
  width:100%;border:none;margin-bottom:10px;cursor:pointer;
  transition:transform .15s,opacity .15s;
}
.auth-btn-social:active { transform:scale(.97); }
.auth-tg { background:rgba(36,160,237,.12);color:#24a0ed;border:1px solid rgba(36,160,237,.3); }
.auth-vk { background:rgba(0,119,255,.1);color:#4a90e2;border:1px solid rgba(0,119,255,.25); }
.email-form { width:100%;display:flex;flex-direction:column;gap:10px; }
.email-input {
  background:var(--s2);border:1px solid var(--b);border-radius:var(--Rsm);
  padding:13px 16px;font-size:15px;outline:none;color:var(--t);
  transition:border-color var(--tr);width:100%;
}
.email-input:focus { border-color:var(--bp); }

/* ── HOME QA BUTTONS ── */
.qa-btn {
  display:flex;align-items:center;gap:12px;padding:13px 14px;
  border:1px solid var(--b);width:100%;text-align:left;color:var(--t);
  border-radius:var(--R);background:var(--s2);cursor:pointer;
  transition:background var(--tr),border-color var(--tr);
}
.qa-btn:active { transform:scale(.98); }
.qa-btn .text-3 { color: var(--t2); }
.qa-icon { width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0; }

/* ── DEVICES ── */
.device-item { display:flex;align-items:center;gap:12px;padding:13px 14px;border-bottom:1px solid var(--b); }
.device-item:last-child { border-bottom:none; }
.device-icon { width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px; }
.device-del {
  margin-left:auto;width:32px;height:32px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  border:none;background:rgba(248,113,113,.08);color:var(--r);
  cursor:pointer;transition:background var(--tr);
}
.device-del:hover { background:rgba(248,113,113,.18); }
.device-del svg { width:14px;height:14px; }
.add-device-btn {
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:13px;border:1px dashed var(--bp);border-radius:var(--Rsm);
  background:var(--pg2);color:var(--ph);font-size:14px;font-weight:500;
  cursor:pointer;width:100%;transition:background var(--tr);
}
.add-device-btn:hover { background:var(--pg); }
.add-device-btn svg { width:16px;height:16px; }

/* ── PLANS — OPTIMIZED: removed infinite shine animation ── */
.plan-card { padding:20px;position:relative;overflow:hidden;cursor:pointer; }
.plan-card.featured { border-color:var(--bp); }
.plan-price-big { font-family:'Syne',sans-serif;font-size:30px;font-weight:800;color:var(--ph); }

/* ── BUY FLOW ── */
.dev-counter {
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 18px;background:var(--s2);border:1px solid var(--b);border-radius:var(--Rsm);
}
.counter-ctrl { display:flex;align-items:center;gap:14px; }
.counter-btn {
  width:36px;height:36px;border-radius:9px;border:1px solid var(--b);
  background:var(--s2);color:var(--t);font-size:20px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--tr);
}
.counter-btn:hover { border-color:var(--bp);color:var(--ph); }
.counter-val { font-family:'Syne',sans-serif;font-size:22px;font-weight:700;min-width:28px;text-align:center; }
.price-preview {
  padding:14px 16px;background:var(--pg2);border:1px solid var(--bp);
  border-radius:var(--Rsm);display:flex;align-items:center;justify-content:space-between;
}
.price-big { font-family:'Syne',sans-serif;font-size:26px;font-weight:800;color:var(--ph); }

.dur-grid { display:grid;grid-template-columns:repeat(4,1fr);gap:8px; }
.dur-btn {
  padding:10px 6px;border-radius:10px;border:1px solid var(--b);
  background:var(--s2);color:var(--t2);font-size:13px;font-weight:500;
  cursor:pointer;text-align:center;transition:all var(--tr);
}
.dur-btn.sel { background:var(--pg);border-color:var(--bp);color:var(--ph); }
.dur-discount { font-size:10px;color:var(--g);display:block;margin-top:2px; }

.pay-opt {
  display:flex;align-items:center;gap:13px;padding:16px;
  border-radius:var(--Rsm);border:1px solid var(--b);background:var(--s2);
  cursor:pointer;transition:all var(--tr);margin-bottom:10px;
}
.pay-opt:hover,.pay-opt.sel { border-color:var(--bp);background:var(--pg); }
.pay-icon { width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:20px; }

.upgrade-banner {
  padding:16px;border-radius:var(--Rsm);
  background:linear-gradient(135deg,rgba(251,191,36,.12),rgba(251,191,36,.05));
  border:1px solid rgba(251,191,36,.25);display:flex;gap:12px;align-items:flex-start;
}

/* ── INVITE ── */
.ref-code-box { padding:15px 18px;display:flex;align-items:center;justify-content:space-between;gap:10px; }
.ref-code { font-family:'Syne',sans-serif;font-size:22px;font-weight:700;color:var(--ph);letter-spacing:.08em; }
.tab-row { display:flex;gap:6px; }
.tab {
  flex:1;padding:10px;border-radius:10px;border:1px solid var(--b);
  background:var(--s2);color:var(--t2);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--tr);
}
.tab.active { background:var(--pg);border-color:var(--bp);color:var(--ph); }
.step-item { display:flex;gap:12px;align-items:flex-start; }
.step-n {
  width:28px;height:28px;border-radius:7px;flex-shrink:0;
  background:var(--pg);
  border:1px solid var(--bp);display:flex;align-items:center;justify-content:center;
  font-family:'Syne',sans-serif;font-size:12px;font-weight:700;color:var(--ph);
}
.earn-grid { display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:14px; }
.earn-cell { padding:13px;background:var(--s2);border:1px solid var(--b);border-radius:12px; }
.earn-val  { font-family:'Syne',sans-serif;font-size:18px;font-weight:700;color:var(--t); }
.earn-lbl  { font-size:10px;color:var(--t2);margin-top:2px;text-transform:uppercase;letter-spacing:.05em;font-weight:500; }

/* ── DTYPE BUTTONS ── */
.dtype-btn {
  border:1px solid var(--b);background:var(--s2);border-radius:var(--Rxs);
  padding:8px 12px;font-size:13px;font-weight:500;color:var(--t2);cursor:pointer;transition:all var(--tr);
}
.dtype-btn.sel { background:var(--pg);border-color:var(--bp);color:var(--ph); }
/* ════════════════════════════════
   CHAT PAGE
════════════════════════════════ */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - 74px - 48px - 52px); /* nav + page header + room tabs */
  position: relative;
  overflow: hidden;
}
.chat-room-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--b);
  background: var(--bg2);
  position: sticky;
  top: 0;
  z-index: 5;
}
.chat-room-tab {
  flex: 1;
  padding: 12px;
  border: none;
  background: transparent;
  color: var(--t2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.chat-room-tab.active {
  color: var(--ph);
  border-bottom-color: var(--ph);
  background: var(--pg2);
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg);
}
.chat-msg {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  max-width: 88%;
}
.chat-msg-me {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-avatar-placeholder {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  flex-shrink: 0;
}
/* OPTIMIZED: removed backdrop-filter from chat bubble */
.chat-bubble {
  background: var(--s2);
  border: 1px solid var(--b);
  border-radius: 16px 16px 16px 4px;
  padding: 9px 12px;
  max-width: 100%;
}
.chat-bubble-me {
  background: var(--pg);
  border-color: var(--bp);
  border-radius: 16px 16px 4px 16px;
}
[data-theme="light"] .chat-bubble {
  background: #fff;
}
[data-theme="light"] .chat-bubble-me {
  background: rgba(124,58,237,.1);
}
.chat-author {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.chat-author-name {
  font-weight: 600;
  font-size: 12px;
}
.chat-text {
  font-size: 14px;
  line-height: 1.45;
  word-break: break-word;
  color: var(--t);
}
.chat-time {
  font-size: 10px;
  color: var(--t2);
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}
.chat-system-msg {
  text-align: center;
  font-size: 12px;
  color: var(--t2);
  padding: 6px 14px;
  background: var(--s2);
  border-radius: 99px;
  align-self: center;
  margin: 2px 0;
  border: 1px solid var(--b);
}
.chat-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: .04em;
}
.chat-badge-admin   { background: rgba(168,85,247,.2); color: var(--ph); }
.chat-badge-support { background: rgba(34,211,238,.15); color: var(--cy); }
.chat-verified      { color: #4ade80; font-size: 12px; font-weight: 700; }
.chat-del-btn {
  background: transparent;
  border: none;
  color: var(--r);
  font-size: 10px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .2s;
  padding: 2px 4px;
}
.chat-msg:hover .chat-del-btn { opacity: 1; }
.chat-empty {
  text-align: center;
  color: var(--t2);
  font-size: 13px;
  margin: auto;
  padding: 40px;
}

/* Input bar */
.chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg2);
  border-top: 1px solid var(--b);
  position: sticky;
  bottom: 0;
}
.chat-input {
  flex: 1;
  background: var(--s2);
  border: 1px solid var(--b);
  border-radius: 22px;
  padding: 10px 16px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
  resize: none;
  max-height: 100px;
  color: var(--t);
}
.chat-input:focus { border-color: var(--bp); }
.chat-input::placeholder { color: var(--t2); }
/* OPTIMIZED: removed heavy box-shadow */
.chat-send-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg,#a855f7,#7c3aed);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform .15s;
}
.chat-send-btn:active { transform: scale(.9); }
.chat-send-btn svg { width: 18px; height: 18px; }

/* Notification banner */
.notif-banner {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  z-index: 500;
  max-width: 360px;
  width: calc(100% - 32px);
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--b);
  background: var(--bg2);
  transition: transform .4s cubic-bezier(.34,1.56,.64,1);
  cursor: pointer;
}
.notif-banner.show {
  transform: translateX(-50%) translateY(0);
}
.notif-banner-title { font-weight: 600; font-size: 14px; margin-bottom: 3px; color: var(--t); }
.notif-banner-body  { font-size: 13px; color: var(--t2); }

/* Nick color picker */
.nick-color-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, border-color .2s;
  flex-shrink: 0;
}
.nick-color-btn:hover { transform: scale(1.12); }
.nick-color-btn.sel   { border-color: white !important; }
.nick-grad-btn        { width: 52px; border-radius: 20px; }