*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #ffffff; --bg-secondary: #f5f5f3; --bg-tertiary: #eeede8;
    --text: #1a1a1a; --text-secondary: #6b6b6b; --text-tertiary: #9a9a9a;
    --border: rgba(0,0,0,0.12); --border-hover: rgba(0,0,0,0.25);
    --radius-md: 8px; --radius-lg: 12px;
    --green-bg: #EAF3DE; --green-text: #3B6D11; --green-dot: #639922;
    --blue-bg: #E6F1FB; --blue-text: #185FA5; --blue-dot: #378ADD;
    --gray-bg: #F1EFE8; --gray-text: #5F5E5A; --gray-dot: #888780;
    --purple-bg: #EEEDFE; --purple-text: #3C3489;
    --amber-bg: #FAEEDA; --amber-text: #854F0B;
    --red-bg: #FCEBEB; --red-text: #A32D2D;
}
@media (prefers-color-scheme: dark) {
    :root {
    --bg: #1e1e1c; --bg-secondary: #2a2a28; --bg-tertiary: #252523;
    --text: #f0efeb; --text-secondary: #a0a09a; --text-tertiary: #6b6b66;
    --border: rgba(255,255,255,0.1); --border-hover: rgba(255,255,255,0.22);
    --green-bg: #173404; --green-text: #C0DD97; --green-dot: #639922;
    --blue-bg: #042C53; --blue-text: #B5D4F4; --blue-dot: #378ADD;
    --gray-bg: #2C2C2A; --gray-text: #D3D1C7; --gray-dot: #888780;
    --purple-bg: #26215C; --purple-text: #CECBF6;
    --amber-bg: #412402; --amber-text: #FAC775;
    --red-bg: #501313; --red-text: #F7C1C1;
    }
}
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg-tertiary); color: var(--text); min-height: 100vh; font-size: 15px; line-height: 1.6; }

/* ── Auth screens ── */
.auth-screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-card { background: var(--bg); border: 0.5px solid var(--border); border-radius: var(--radius-lg); padding: 2.5rem 2rem; max-width: 400px; width: 90%; text-align: center; }
.auth-logo { font-size: 18px; font-weight: 500; margin-bottom: 8px; }
.auth-logo span { color: var(--text-secondary); font-weight: 400; }
.auth-sub { font-size: 14px; color: var(--text-secondary); margin-bottom: 2rem; line-height: 1.5; }
.btn-ms { display: inline-flex; align-items: center; gap: 10px; background: var(--text); color: var(--bg); border: none; border-radius: var(--radius-md); padding: 11px 20px; font-size: 14px; font-weight: 500; cursor: pointer; transition: opacity 0.15s; }
.btn-ms:hover { opacity: 0.82; }
.btn-ms svg { width: 18px; height: 18px; flex-shrink: 0; }
.pending-icon { font-size: 2rem; margin-bottom: 12px; }
.btn-logout-small { background: none; border: 0.5px solid var(--border); border-radius: var(--radius-md); padding: 6px 14px; font-size: 13px; color: var(--text-secondary); cursor: pointer; margin-top: 1.5rem; }
.btn-logout-small:hover { border-color: var(--border-hover); color: var(--text); }

/* ── Layout ── */
.app-layout { display: flex; height: 100vh; overflow: hidden; }
header { background: var(--bg); border-bottom: 0.5px solid var(--border); padding: 0 1.25rem; height: 52px; display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo { font-weight: 500; font-size: 15px; }
.logo span { color: var(--text-secondary); font-weight: 400; }
.header-badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--bg-secondary); color: var(--text-secondary); border: 0.5px solid var(--border); }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.user-chip { font-size: 12px; color: var(--text-secondary); }
.btn-icon { background: none; border: 0.5px solid var(--border); border-radius: var(--radius-md); padding: 5px 10px; font-size: 12px; color: var(--text-secondary); cursor: pointer; }
.btn-icon:hover { background: var(--bg-secondary); }

/* ── Sidebar ── */
.sidebar { width: 260px; min-width: 260px; background: var(--bg); border-right: 0.5px solid var(--border); display: flex; flex-direction: column; overflow: hidden; }
.sidebar-header { padding: 12px 14px; border-bottom: 0.5px solid var(--border); font-size: 12px; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; flex-shrink: 0; }
.sidebar-list { flex: 1; overflow-y: auto; padding: 6px 0; }
.history-item { padding: 10px 14px; cursor: pointer; border-left: 2px solid transparent; transition: background 0.1s; }
.history-item:hover { background: var(--bg-secondary); }
.history-item.active { border-left-color: var(--text); background: var(--bg-secondary); }
.history-prompt { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-meta { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.sidebar-empty { padding: 20px 14px; font-size: 13px; color: var(--text-tertiary); }
.tab-row { display: flex; border-bottom: 0.5px solid var(--border); flex-shrink: 0; }
.tab-btn { flex: 1; background: none; border: none; padding: 10px 6px; font-size: 12px; font-weight: 500; color: var(--text-secondary); cursor: pointer; border-bottom: 2px solid transparent; transition: all 0.1s; }
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); border-bottom-color: var(--text); }
.tab-panel { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.tab-panel.active { display: flex; }

/* ── Main content ── */
.main-wrapper { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
main { flex: 1; overflow-y: auto; padding: 1.5rem; max-width: 860px; margin: 0 auto; width: 100%; }

/* ── Search UI ── */
.search-card { background: var(--bg); border: 0.5px solid var(--border); border-radius: var(--radius-lg); padding: 1.1rem; margin-bottom: 1.25rem; }
.search-label { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.search-row { display: flex; gap: 8px; align-items: flex-end; }
textarea { flex: 1; border: 0.5px solid var(--border); border-radius: var(--radius-md); padding: 10px 12px; font-size: 15px; font-family: inherit; resize: none; color: var(--text); background: var(--bg-secondary); min-height: 52px; line-height: 1.5; }
textarea:focus { outline: none; border-color: var(--border-hover); }
textarea::placeholder { color: var(--text-tertiary); }
.btn-search { background: var(--text); color: var(--bg); border: none; border-radius: var(--radius-md); padding: 10px 20px; font-size: 14px; font-weight: 500; cursor: pointer; white-space: nowrap; height: 52px; transition: opacity 0.15s; }
.btn-search:hover:not(:disabled) { opacity: 0.82; }
.btn-search:disabled { opacity: 0.4; cursor: default; }

/* ── Stats & filters ── */
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 1.25rem; }
.stat { background: var(--bg); border-radius: var(--radius-md); padding: 12px 14px; border: 0.5px solid var(--border); }
.stat-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.stat-val { font-size: 22px; font-weight: 500; }
.filter-row { display: flex; gap: 6px; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.filter-label { font-size: 13px; color: var(--text-secondary); margin-right: 2px; }
.pill { font-size: 12px; padding: 4px 12px; border-radius: 999px; border: 0.5px solid var(--border); cursor: pointer; background: var(--bg); color: var(--text-secondary); transition: all 0.12s; user-select: none; }
.pill:hover { border-color: var(--border-hover); color: var(--text); }
.pill.active { background: var(--text); color: var(--bg); border-color: var(--text); }

/* ── Lead cards ── */
.leads-list { display: flex; flex-direction: column; gap: 10px; }
.lead-card { background: var(--bg); border: 0.5px solid var(--border); border-radius: var(--radius-lg); padding: 1rem 1.15rem; transition: border-color 0.12s; }
.lead-card:hover { border-color: var(--border-hover); }
.lead-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 8px; }
.lead-name { font-size: 15px; font-weight: 500; }
.lead-meta { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 4px 10px; border-radius: var(--radius-md); white-space: nowrap; font-weight: 500; flex-shrink: 0; }
.badge-new { background: var(--green-bg); color: var(--green-text); }
.badge-existing { background: var(--blue-bg); color: var(--blue-text); }
.badge-inactive { background: var(--gray-bg); color: var(--gray-text); }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.dot-new { background: var(--green-dot); } .dot-existing { background: var(--blue-dot); } .dot-inactive { background: var(--gray-dot); }
.match-tag { font-size: 11px; padding: 2px 7px; border-radius: 4px; background: var(--bg-secondary); color: var(--text-secondary); margin-left: 6px; vertical-align: middle; }
.lead-body { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 8px; }
.lead-detail-row { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; font-size: 13px; margin-bottom: 8px; }
.detail-key { color: var(--text-secondary); } .detail-val { color: var(--text); font-weight: 500; }
.detail-link { color: var(--blue-text); text-decoration: none; font-weight: 500; }
.detail-link:hover { text-decoration: underline; }
.crm-strip { display: flex; gap: 16px; font-size: 12px; color: var(--text-secondary); align-items: center; padding: 6px 0 4px; border-top: 0.5px solid var(--border); margin-top: 4px; margin-bottom: 8px; }
.crm-strip strong { color: var(--text); }
.contacts-section { border-top: 0.5px solid var(--border); padding-top: 8px; }
.contacts-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.contact-row { display: flex; align-items: center; gap: 10px; padding: 5px 0; border-top: 0.5px solid var(--border); }
.contact-row:first-of-type { border-top: none; }
.avatar { width: 30px; height: 30px; min-width: 30px; border-radius: 50%; background: var(--blue-bg); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 500; color: var(--blue-text); }
.contact-name { font-size: 13px; font-weight: 500; } .contact-role { font-size: 12px; color: var(--text-secondary); }
.contact-links { margin-left: auto; display: flex; gap: 6px; }
.link-btn { font-size: 11px; padding: 3px 9px; border-radius: var(--radius-md); border: 0.5px solid var(--border); color: var(--text-secondary); text-decoration: none; cursor: pointer; background: transparent; font-family: inherit; transition: all 0.12s; }
.link-btn:hover { background: var(--bg-secondary); border-color: var(--border-hover); color: var(--text); }

/* ── Admin panel ── */
.admin-panel { padding: 14px; overflow-y: auto; flex: 1; }
.admin-title { font-size: 13px; font-weight: 500; margin-bottom: 12px; }
.user-row { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 0.5px solid var(--border); font-size: 13px; }
.user-row:last-child { border-bottom: none; }
.user-email { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-name { font-size: 11px; color: var(--text-secondary); }
.toggle-group { display: flex; gap: 6px; flex-shrink: 0; }
.toggle-chip { font-size: 11px; padding: 3px 8px; border-radius: 999px; border: 0.5px solid var(--border); cursor: pointer; background: var(--bg-secondary); color: var(--text-secondary); transition: all 0.1s; user-select: none; }
.toggle-chip:hover { border-color: var(--border-hover); }
.toggle-chip.on-access { background: var(--green-bg); color: var(--green-text); border-color: var(--green-dot); }
.toggle-chip.on-admin { background: var(--purple-bg); color: var(--purple-text); border-color: var(--purple-text); }
.admin-loading { font-size: 13px; color: var(--text-secondary); padding: 12px 0; }

/* ── States ── */
.empty-state, .loading-state { text-align: center; padding: 3rem 1rem; color: var(--text-secondary); font-size: 15px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.section-count { font-size: 13px; color: var(--text-secondary); }
.error-card { background: var(--red-bg); border: 0.5px solid var(--red-text); border-radius: var(--radius-lg); padding: 1.1rem; }
.error-title { font-size: 14px; font-weight: 500; color: var(--red-text); margin-bottom: 6px; }
.error-message { font-size: 14px; color: var(--red-text); margin-bottom: 8px; line-height: 1.5; opacity: 0.9; }
.error-toggle { font-size: 12px; color: var(--red-text); cursor: pointer; background: none; border: none; padding: 0; font-family: inherit; text-decoration: underline; text-underline-offset: 2px; opacity: 0.7; }
.error-technical-body { font-family: monospace; font-size: 11px; background: var(--bg); border: 0.5px solid var(--border); border-radius: 6px; padding: 10px 12px; white-space: pre-wrap; word-break: break-word; max-height: 200px; overflow-y: auto; margin-top: 8px; line-height: 1.5; }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--text); border-radius: 50%; animation: spin 0.7s linear infinite; vertical-align: middle; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 680px) {
    .sidebar { display: none; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .lead-detail-row { grid-template-columns: 1fr; }
    .lead-header { flex-direction: column; }
}