* { box-sizing: border-box; }
:root {
  --bg: #e8f1f8;
  --panel: #ffffff;
  --panel-2: #f0f6fb;
  --border: #c2d6e8;
  --text: #1a3550;
  --muted: #5a7d9a;
  --accent: #1a6fa0;
  --accent-2: #15587e;
  --mark: #ffd166;
  --mark-text: #111;
  --danger: #c0392b;
  --sender: #0e5a8a;
}
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font: inherit; }

.top {
  position: sticky; top: 0; z-index: 10;
  background: linear-gradient(135deg, #1b4f72 0%, #1a6fa0 50%, #2e86c1 100%);
  border-bottom: 2px solid #15587e;
  padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  box-shadow: 0 2px 8px rgba(26,79,114,0.25);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { margin: 0; font-size: 18px; font-weight: 600; color: #ffffff; }
.logo { font-size: 28px; }
.subtitle { color: #b0d4f1; font-size: 12px; }
.tabs { display: flex; gap: 4px; }
.tab {
  background: transparent; color: rgba(255,255,255,0.7);
  border: 1px solid transparent; border-radius: 8px;
  padding: 7px 14px; font-size: 14px;
}
.tab:hover { color: #ffffff; background: rgba(255,255,255,0.12); }
.tab.active { background: rgba(255,255,255,0.2); color: #ffffff; border-color: rgba(255,255,255,0.3); }

main { max-width: 1100px; margin: 0 auto; padding: 24px 20px 80px; }
.view.hidden { display: none; }

/* Search bar */
.search-bar { display: flex; gap: 8px; margin-bottom: 20px; }
.search-bar input[type=text] {
  flex: 1;
  background: #ffffff; color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 16px; font-size: 15px;
}
.search-bar input[type=text]::placeholder { color: #8daabb; }
.search-bar input[type=text]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,111,160,0.15); }
.search-bar button {
  background: linear-gradient(135deg, #1a6fa0, #2e86c1);
  color: #ffffff;
  border: none; border-radius: 8px; padding: 0 22px;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(26,111,160,0.3);
}
.search-bar button:hover { background: linear-gradient(135deg, #15587e, #1a6fa0); }

/* Result cards */
.section-header { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; margin: 24px 0 8px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background 0.12s, box-shadow 0.12s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.card:hover { background: var(--panel-2); box-shadow: 0 2px 8px rgba(26,111,160,0.1); }
.card .meta { color: var(--muted); font-size: 12px; margin-bottom: 6px; display: flex; gap: 10px; flex-wrap: wrap; }
.card .sender { color: var(--sender); font-weight: 500; }
.card .snippet { white-space: pre-wrap; word-break: break-word; }
.card .snippet mark { background: var(--mark); color: var(--mark-text); padding: 0 2px; border-radius: 2px; }
.card .preview { color: var(--text); }
.card .topic { font-size: 15px; }
.thread-card .chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.chip {
  background: #e0eef7;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px; font-size: 11px;
}

/* Ask */
#ask-result .answer {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 20px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
#ask-result .answer .cite {
  background: #ddeaf5;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13px;
  cursor: pointer;
  color: var(--accent);
  display: inline-block;
  margin: 0 1px;
}
#ask-result .answer .cite:hover { background: var(--accent); color: #ffffff; }
.loading { color: var(--muted); padding: 20px 0; }
.error { color: var(--danger); padding: 10px 0; }

/* Media grid */
.media-controls { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.media-controls select, .media-controls input {
  background: #ffffff; color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px;
}
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}
.media-item {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  overflow: hidden; cursor: pointer; aspect-ratio: 1; position: relative;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.media-item img, .media-item video { width: 100%; height: 100%; object-fit: cover; display: block; }
.media-item .doc-icon {
  display: flex; align-items: center; justify-content: center; height: 100%;
  font-size: 42px; color: var(--muted); flex-direction: column; gap: 4px;
}
.media-item .doc-name {
  font-size: 10px; color: var(--muted); text-align: center; padding: 0 6px;
  word-break: break-word; line-height: 1.3;
}
.media-item .caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: white; font-size: 11px; padding: 16px 6px 4px; pointer-events: none;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* Contacts */
#contacts-q {
  width: 100%; background: #ffffff; color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px;
  margin-bottom: 16px;
}
.contact-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 16px; margin-bottom: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.contact-card .name { font-weight: 600; font-size: 15px; }
.contact-card .org { color: var(--muted); font-size: 13px; margin-top: 2px; }
.contact-card .phones { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 10px; }
.contact-card .phone { color: var(--accent); font-variant-numeric: tabular-nums; font-size: 14px; }

/* Thread modal */
.modal {
  position: fixed; inset: 0;
  background: rgba(20,50,80,0.6); z-index: 100;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 20px; overflow-y: auto;
  backdrop-filter: blur(4px);
}
.modal.hidden { display: none; }
.modal-body {
  background: var(--bg);
  border: 1px solid var(--border); border-radius: 12px;
  width: 100%; max-width: 800px;
  padding: 24px; position: relative;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.lightbox-body { max-width: 1200px; background: #0a1a2a; padding: 20px; }
.lightbox-body img, .lightbox-body video { max-width: 100%; max-height: 85vh; display: block; margin: 0 auto; }
.modal-close {
  position: absolute; top: 8px; right: 12px;
  background: transparent; border: none; color: var(--muted);
  font-size: 28px; width: 36px; height: 36px; border-radius: 50%;
}
.modal-close:hover { background: var(--panel-2); color: var(--text); }

/* Thread view — WhatsApp-style */
.thread-header { margin-bottom: 16px; }
.thread-header .title { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.thread-header .meta { color: var(--muted); font-size: 13px; }

.thread-chat {
  background:
    linear-gradient(rgba(215,232,245,0.95), rgba(215,232,245,0.95)),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='30'><path d='M0 15 Q15 5 30 15 T60 15 T90 15 T120 15' fill='none' stroke='%231a6fa0' stroke-opacity='0.08' stroke-width='1.5'/></svg>");
  padding: 14px 10px;
  border-radius: 8px;
  margin: 0 -4px;
}

.day-sep {
  display: flex; justify-content: center; margin: 14px 0 10px;
}
.day-sep span {
  background: rgba(26,111,160,0.12);
  color: var(--muted);
  font-size: 11px;
  padding: 3px 12px;
  border-radius: 12px;
  letter-spacing: 0.04em;
}

.msg-row { display: flex; margin: 2px 0; }
.msg-row.mine { justify-content: flex-end; }
.msg-row.grouped { margin-top: 1px; }
.msg-row.new-sender { margin-top: 8px; }

.bubble {
  max-width: 78%;
  padding: 5px 9px 5px 11px;
  border-radius: 8px;
  position: relative;
  background: #ffffff;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.35;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.msg-row.mine .bubble {
  background: #d4eaf7;
  border-top-right-radius: 8px;
}

/* tails only on first bubble of a run */
.msg-row.new-sender .bubble::before {
  content: "";
  position: absolute;
  top: 0;
  width: 0; height: 0;
  border: 6px solid transparent;
}
.msg-row.new-sender:not(.mine) .bubble {
  border-top-left-radius: 0;
}
.msg-row.new-sender:not(.mine) .bubble::before {
  left: -6px;
  border-top-color: #ffffff;
  border-right-color: #ffffff;
  border-left: 0;
  border-bottom: 0;
}
.msg-row.new-sender.mine .bubble {
  border-top-right-radius: 0;
}
.msg-row.new-sender.mine .bubble::before {
  right: -6px;
  border-top-color: #d4eaf7;
  border-left-color: #d4eaf7;
  border-right: 0;
  border-bottom: 0;
}

.bubble .sender {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sender);
  margin-bottom: 1px;
}
.msg-row.mine .bubble .sender { color: #15587e; }

.bubble .body { white-space: pre-wrap; }
.bubble mark { background: var(--mark); color: var(--mark-text); padding: 0 2px; border-radius: 2px; }

.bubble .ts {
  display: inline-block;
  font-size: 11px;
  color: #8aacbe;
  margin-left: 8px;
  float: right;
  padding-top: 4px;
  line-height: 1;
  user-select: none;
}
.bubble .ts-spacer { display: inline-block; width: 60px; }

.bubble.highlight { outline: 2px solid var(--accent); outline-offset: 2px; }

.bubble .media-inline {
  margin: -5px -9px 4px -11px;
  border-radius: 6px 6px 0 0;
  overflow: hidden;
}
.bubble .media-inline:only-child { margin-bottom: -5px; border-radius: 6px; }
.bubble .media-inline img,
.bubble .media-inline video {
  display: block;
  width: 100%;
  max-width: 360px;
  max-height: 400px;
  object-fit: cover;
  cursor: pointer;
}
.bubble .media-inline audio { width: 100%; }
.bubble .media-inline .doc-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; color: var(--accent);
  background: rgba(26,111,160,0.05);
}

.more-btn {
  display: block; margin: 24px auto 0;
  background: #ffffff; color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.more-btn:hover { background: var(--panel-2); }

.empty { color: var(--muted); padding: 40px 0; text-align: center; }

/* Login gate */
.login-gate {
  position: fixed; inset: 0; z-index: 1000;
  background: linear-gradient(135deg, #1b4f72 0%, #1a6fa0 50%, #2e86c1 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.login-gate.hidden { display: none; }
body.locked { overflow: hidden; }
.login-card {
  background: #ffffff; border-radius: 14px;
  padding: 36px 32px; max-width: 420px; width: 100%;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  text-align: center;
}
.login-logo { font-size: 48px; margin-bottom: 8px; }
.login-card h1 { margin: 0 0 8px; color: var(--text); font-size: 22px; }
.login-intro { color: var(--muted); margin: 0 0 20px; font-size: 14px; }
.login-card form { display: flex; gap: 8px; }
.login-card input {
  flex: 1; padding: 11px 14px;
  border: 1px solid var(--border); border-radius: 8px;
  font: inherit; color: var(--text);
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.login-card button {
  background: var(--accent); color: #fff; border: 0;
  border-radius: 8px; padding: 0 20px; font-weight: 600;
}
.login-card button:hover { background: var(--accent-2); }
.login-error { color: var(--danger); margin-top: 12px; min-height: 18px; font-size: 13px; }

/* Header user box */
.user-box { display: flex; align-items: center; gap: 10px; color: #ffffff; font-size: 13px; }
#user-name { color: #b0d4f1; }
.logout-btn {
  background: rgba(255,255,255,0.15); color: #fff;
  border: 1px solid rgba(255,255,255,0.25); border-radius: 6px;
  padding: 5px 10px; font-size: 12px;
}
.logout-btn:hover { background: rgba(255,255,255,0.28); }

/* Logs (admin) */
.logs-controls {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 12px; padding: 10px 12px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
}
.logs-controls label { font-size: 13px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.logs-controls select, .logs-controls input {
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px;
  font: inherit; color: var(--text); background: #fff;
}
.logs-controls button {
  background: var(--accent); color: #fff; border: 0;
  border-radius: 6px; padding: 6px 14px; font-size: 13px; font-weight: 500;
}
.logs-controls button:hover { background: var(--accent-2); }
.logs-total { color: var(--muted); font-size: 13px; margin-left: auto; }
#logs-table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; }
#logs-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
#logs-table th, #logs-table td { padding: 7px 10px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
#logs-table th { background: var(--panel-2); font-weight: 600; color: var(--muted); position: sticky; top: 0; }
#logs-table td.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }
#logs-table td .muted { color: var(--muted); font-size: 11px; }
.log-event {
  display: inline-block; padding: 1px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 600; background: #eaf3fa; color: var(--accent-2);
}
tr.log-login .log-event { background: #d7f3e1; color: #166534; }
tr.log-login_failed .log-event { background: #fde1de; color: var(--danger); }
tr.log-unauth .log-event { background: #fde1de; color: var(--danger); }
tr.log-logout .log-event { background: #ececec; color: #555; }