:root {
  --bg: #06101d;
  --surface-2: #10213a;
  --surface-3: #163055;
  --border: #213b61;
  --text: #eef5ff;
  --muted: #92a7c8;
  --accent: #4da9ff;
  --accent-2: #7fc5ff;
  --danger: #ff6b84;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: radial-gradient(circle at top, #0b1730 0%, var(--bg) 48%); color: var(--text); font-family: 'Segoe UI', Tahoma, sans-serif; }
body { min-height: 100vh; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.app-shell { min-height: 100vh; }
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(280px, 420px) minmax(320px, 560px); justify-content: center; gap: 24px; padding: 32px; align-items: center; }
.auth-card, .card { background: linear-gradient(180deg, rgba(18,31,53,0.96), rgba(10,22,39,0.97)); border: 1px solid var(--border); border-radius: 28px; box-shadow: var(--shadow); }
.auth-card { padding: 32px; }
.brand-card { min-height: 580px; display: flex; flex-direction: column; gap: 16px; justify-content: center; }
.brand-mark { color: var(--accent); font-size: 26px; font-weight: 800; letter-spacing: 0.08em; line-height: 1; word-break: break-word; }
.brand-card h1 { margin: 0; font-size: 38px; line-height: 1.05; }
.brand-card p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.feature-list { margin: 12px 0 0; padding-left: 18px; color: var(--text); display: grid; gap: 12px; }
.form-card { display: flex; flex-direction: column; gap: 18px; }
.form-card h2 { margin: 0; font-size: 34px; }
.segmented { display: inline-flex; padding: 4px; background: #0e1c32; border: 1px solid var(--border); border-radius: 16px; gap: 4px; width: fit-content; }
.segmented-btn, .ghost-btn, .primary-btn, .danger-btn { border: 1px solid transparent; border-radius: 14px; padding: 9px 14px; transition: 0.18s ease; }
.segmented-btn { background: transparent; color: var(--muted); }
.segmented-btn.active { background: var(--accent); color: #06101d; font-weight: 700; }
.primary-btn { background: var(--accent); color: #06101d; font-weight: 700; }
.primary-btn:hover { background: var(--accent-2); }
.ghost-btn { background: rgba(255,255,255,0.02); color: var(--text); border-color: var(--border); }
.ghost-btn:hover { border-color: var(--accent); color: var(--accent-2); }
.danger-btn { background: rgba(255,107,132,0.14); color: #ffd4dd; border-color: rgba(255,107,132,0.35); }
.small-btn { padding: 8px 12px; border-radius: 12px; }
.field-grid { display: grid; gap: 16px; }
.auth-grid { gap: 14px; }
label { display: grid; gap: 8px; }
label span { font-size: 13px; font-weight: 600; color: var(--text); }
input, textarea, select { width: 100%; border: 1px solid var(--border); background: #10213a; color: var(--text); border-radius: 18px; padding: 14px 16px; outline: none; transition: 0.18s ease; }
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(76, 169, 255, 0.12); }
textarea { resize: vertical; }
.auth-actions, .action-row { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.auth-actions { justify-content: flex-end; }
.auth-bottom-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 4px; }
.status-line { min-height: 22px; font-size: 13px; }
.remember-row { display: inline-flex; gap: 8px; align-items: center; color: var(--muted); font-size: 14px; width: auto; flex-wrap: nowrap; }
.main-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar { background: rgba(5, 13, 24, 0.92); border-right: 1px solid rgba(33,59,97,0.5); padding: 28px 20px; display: flex; flex-direction: column; gap: 28px; }
.sidebar-top { display: grid; gap: 16px; align-content: start; margin-bottom: 8px; }
.user-badge, .header-badge { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 999px; background: rgba(77,169,255,0.1); color: var(--accent-2); font-size: 13px; width: fit-content; }
.nav-list { display: grid; gap: 12px; }
.nav-btn { text-align: left; padding: 14px 16px; border-radius: 18px; border: 1px solid transparent; background: transparent; color: var(--text); }
.nav-btn.active, .nav-btn:hover { background: var(--surface-3); border-color: var(--accent); }
.sidebar-footer { margin-top: auto; display: grid; gap: 14px; }
.content-shell { padding: 28px; display: grid; gap: 20px; }
.page-top { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.page-top h2 { margin: 0; font-size: 34px; }
.page-top p { margin: 8px 0 0; }
.page { display: none; }
.page.active { display: block; }
.page-grid { display: grid; gap: 20px; }
.page-grid.two-col { grid-template-columns: 1.1fr 1fr; }
.card { padding: 22px; }
.full-card { min-height: calc(100vh - 160px); }
.card-head { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-bottom: 18px; }
.card-head h3 { margin: 0; font-size: 22px; }
.inline-row { gap: 8px; }
.space-between { justify-content: space-between; }
.top-gap { margin-top: 18px; }
.code-panel { margin-top: 8px; padding: 18px; border: 1px solid var(--border); border-radius: 22px; background: rgba(255,255,255,0.02); display: grid; gap: 12px; }
.code-value { font-size: 30px; font-weight: 800; word-break: break-all; }
.chip-list, .list-stack { display: grid; gap: 12px; }
.chip { padding: 10px 12px; border-radius: 14px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.05); }
.row-card { padding: 16px 18px; border-radius: 18px; background: #10213a; border: 1px solid var(--border); display: grid; gap: 12px; }
.row-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.row-title { font-size: 16px; font-weight: 700; }
.row-meta { color: var(--muted); font-size: 13px; }
.template-list, .compact-list { display: grid; gap: 10px; }
.template-card { padding: 18px; border-radius: 18px; background: #11233d; border: 1px solid var(--border); display: grid; gap: 12px; }
.template-card pre { margin: 0; white-space: pre-wrap; color: var(--muted); font-family: inherit; }
.editor-card { padding: 18px; border-radius: 18px; background: #10213a; border: 1px solid var(--border); display: grid; gap: 14px; }
.answer-box { min-height: 180px; border-radius: 22px; background: #0d1d33; border: 1px solid var(--border); padding: 20px; line-height: 1.6; white-space: pre-wrap; }
.chat-layout { display: grid; grid-template-rows: auto 1fr auto auto; gap: 16px; }
.chat-feed { height: calc(100vh - 340px); min-height: 360px; overflow: auto; padding-right: 6px; display: grid; gap: 10px; align-content: start; }
.message { max-width: 78%; padding: 14px 16px; border-radius: 22px; border: 1px solid var(--border); background: #10213a; display: grid; gap: 10px; align-self: start; }
.message.mine { margin-left: auto; background: #12325a; }
.message-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.message-author { font-weight: 700; color: var(--accent-2); }
.message-time { color: var(--muted); font-size: 12px; }
.message-text { white-space: pre-wrap; line-height: 1.5; }
.message img { max-width: 100%; border-radius: 16px; border: 1px solid rgba(255,255,255,0.08); }
.message-actions { display: flex; gap: 8px; justify-content: flex-end; }
.message-actions button { padding: 8px 12px; border-radius: 12px; }
.chat-editor { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 12px; display: grid; gap: 12px; }
.attachment-preview { padding: 14px; border-radius: 18px; background: rgba(77,169,255,0.08); color: var(--accent-2); }
.settings-grid { grid-template-columns: 2fr 1fr 1fr; }
.empty-state { padding: 18px; border-radius: 18px; border: 1px dashed var(--border); color: var(--muted); text-align: center; }
@media (max-width: 1120px) { .auth-shell { grid-template-columns: 1fr; } .main-shell { grid-template-columns: 1fr; } .sidebar { border-right: none; border-bottom: 1px solid rgba(33,59,97,0.5); } .sidebar-top { display: grid; gap: 14px; align-content: start; margin-bottom: 8px; } .page-grid.two-col, .settings-grid { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .content-shell, .sidebar, .auth-shell { padding: 18px; } .brand-mark { font-size: 32px; } .page-top { flex-direction: column; align-items: flex-start; } .message { max-width: 100%; } .chat-feed { height: 52vh; } }

.section-label { display:block; margin-bottom: 10px; font-size: 13px; font-weight: 600; color: var(--text); }
.tariff-button-list { display:flex; gap:12px; flex-wrap:wrap; }
.tariff-btn { padding: 12px 16px; border-radius: 16px; border:1px solid var(--border); background:#10213a; color:var(--text); }
.tariff-btn.active, .tariff-btn:hover { background: var(--accent); color:#06101d; border-color: var(--accent); }
.providers-head { margin-top: 8px; }
.provider-card { padding:18px; border-radius:18px; background:#10213a; border:1px solid var(--border); display:grid; gap:14px; }
.provider-grid { display:grid; gap:14px; grid-template-columns: 1fr 1.2fr 1.2fr; }
@media (max-width: 1120px) { .provider-grid { grid-template-columns: 1fr; } }

input[type="checkbox"] { width: 16px; height: 16px; padding: 0; margin: 0; accent-color: var(--accent); vertical-align: middle; flex: 0 0 auto; }

@media (max-width: 720px) { .auth-bottom-row { flex-direction: column; align-items: flex-start; } }



.action-row > * + * { margin-left: 2px; }

.settings-prompt { grid-column: 1 / -1; }
#settingsPromptInput { min-height: 240px; }
#providersEditor .provider-card { background: #0f2139; border: 1px solid var(--border); border-radius: 18px; padding: 16px; }
#providersEditor .provider-grid { display:grid; gap:12px; grid-template-columns: 1fr 1fr 1.4fr; }
@media (max-width: 1120px) { #providersEditor .provider-grid { grid-template-columns: 1fr; } }



.call-event { border: 1px solid rgba(77,169,255,0.35); background: rgba(77,169,255,0.08); }
.call-event .message-text { font-weight: 600; }


.promo-actions { gap: 22px; align-items: center; }
.promo-actions > * + * { margin-left: 10px; }


.card > .promo-actions { margin-top: 14px; margin-bottom: 10px; }