@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:        #f8f9fa;
  --surface:   #ffffff;
  --card:      #ffffff;
  --border:    #dadce0;
  --primary:   #1a73e8;
  --primary-d: #1557b0;
  --accent:    #34a853;
  --success:   #1e8e3e;
  --danger:    #d93025;
  --warn:      #f9ab00;
  --text:      #202124;
  --muted:     #5f6368;
  --radius:    8px;
  --radius-lg: 12px;
  --shadow:    0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
  --shadow-hover: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Roboto', sans-serif; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
code, pre { font-family: 'JetBrains Mono', monospace; }

/* ── Layout ── */
.dash-layout { display: flex; min-height: 100vh; }

/* ── Sidebar (shared with dashboard) ── */
.sidebar {
  width: 260px; flex-shrink: 0;
  background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 50;
}
.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 22px 20px; font-weight: 800; font-size: 1.1rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none; color: var(--text);
}
.logo-icon {
  width: 34px; height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 900; color: white; letter-spacing: -0.5px;
  flex-shrink: 0;
}
.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 4px;
  color: var(--muted); font-size: 0.9rem; font-weight: 500;
  transition: var(--transition); text-decoration: none;
}
.nav-item:hover { background: var(--card); color: var(--text); }
.nav-item.active { background: #e8f0fe; color: var(--primary); }
.sidebar-user {
  padding: 16px 20px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.user-avatar {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: white; flex-shrink: 0;
}
.user-info { flex: 1; overflow: hidden; }
.user-name { font-size: 0.88rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-email { font-size: 0.75rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.btn-logout { background: none; border: none; color: var(--muted); cursor: pointer; padding: 6px; border-radius: 6px; font-size:1rem; transition: var(--transition); }
.btn-logout:hover { color: var(--danger); background: rgba(248,113,113,0.1); }

.main-content { margin-left: 260px; flex: 1; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px; border-bottom: 1px solid var(--border);
  background: var(--surface); position: sticky; top: 0; z-index: 40;
}
.topbar-title { font-size: 1.05rem; font-weight: 700; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--muted); }
.breadcrumb a { color: var(--primary); }
.breadcrumb-sep { opacity: 0.4; }
.page-content { padding: 28px 32px; max-width: 1100px; }

/* ── Tabs ── */
.tab-bar {
  display: flex; gap: 4px; padding: 4px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; width: fit-content; margin-bottom: 28px;
}
.tab-btn {
  padding: 9px 20px; border: none; background: none;
  color: var(--muted); font-family: inherit; font-size: 0.9rem;
  font-weight: 600; border-radius: 9px; cursor: pointer; transition: var(--transition);
}
.tab-btn.active { background: var(--primary); color: #ffffff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: 4px;
  font-family: inherit; font-size: 0.88rem; font-weight: 600;
  border: none; cursor: pointer; transition: var(--transition);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: #ffffff; box-shadow: none; }
.btn-primary:hover { box-shadow: var(--shadow-hover); transform:translateY(-1px); }
.btn-ghost { background:transparent; color:var(--text); border:1px solid var(--border); }
.btn-ghost:hover { background:var(--card); }
.btn-danger { background:rgba(248,113,113,0.12); color:var(--danger); border:1px solid rgba(248,113,113,0.2); }
.btn-danger:hover { background:rgba(248,113,113,0.2); }
.btn-success { background:rgba(52,211,153,0.12); color:var(--success); border:1px solid rgba(52,211,153,0.2); }
.btn-sm { padding:6px 13px; font-size:0.82rem; }

/* ── Submissions table ── */
.table-wrap {
  border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
}
.table-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; background: var(--surface); border-bottom: 1px solid var(--border);
  gap: 12px; flex-wrap: wrap;
}
.search-input {
  padding: 8px 14px; background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-family: inherit; font-size: 0.88rem;
  outline: none; width: 220px;
}
.search-input:focus { border-color: var(--primary); }
.export-btns { display: flex; gap: 8px; }
table { width: 100%; border-collapse: collapse; }
thead { background: var(--surface); }
th {
  padding: 12px 16px; text-align: left;
  font-size: 0.78rem; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
td { padding: 14px 16px; border-bottom: 1px solid rgba(0,0,0,0.03); font-size: 0.88rem; vertical-align: top; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface); }
.td-date { color: var(--muted); white-space: nowrap; font-size: 0.8rem; }
.td-data { max-width: 280px; }
.data-field { display: flex; gap: 6px; margin-bottom: 3px; }
.data-key { color: var(--muted); font-size: 0.8rem; min-width: 60px; flex-shrink: 0; }
.data-val { color: var(--text); font-size: 0.82rem; word-break: break-word; }
.td-actions { white-space: nowrap; }
.unread-row td:first-child { border-left: 3px solid var(--primary); }

/* ── Integration code block ── */
.integration-section { display: flex; flex-direction: column; gap: 24px; }
.int-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
}
.int-card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.int-card-title { font-size: 0.9rem; font-weight: 600; }
.code-block {
  padding: 20px; overflow-x: auto;
  font-size: 0.82rem; line-height: 1.75;
  color: #3c4043; white-space: pre;
}
.ct { color: #5f6368; }
.ct-tag { color: #1a73e8; }
.ct-attr { color: #d93025; }
.ct-str { color: #1e8e3e; }
.ct-kw { color: #1a73e8; }
.ct-fn { color: #d93025; }
.ct-id { color: #f9ab00; }

/* ── Settings form ── */
.settings-section { max-width: 600px; }
.settings-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
}
.settings-card h3 { margin-bottom: 6px; }
.settings-card > p { color: var(--muted); font-size: 0.88rem; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 7px; }
.form-input, .form-select {
  width: 100%; padding: 11px 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 4px; color: var(--text);
  font-family: inherit; font-size: 0.95rem; outline: none; transition: var(--transition);
}
.form-input:focus, .form-select:focus { border-color: var(--primary);   outline: 1px solid var(--primary); }
.form-hint { font-size: 0.78rem; color: var(--muted); margin-top: 5px; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--border); }
.toggle-row:last-child { border-bottom: none; }
.toggle-label { font-size: 0.9rem; font-weight: 500; }
.toggle-desc { font-size: 0.8rem; color: var(--muted); }
.toggle { position: relative; width: 44px; height: 24px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0; background: rgba(0,0,0,0.25);
  border-radius: 999px; cursor: pointer; transition: 0.2s;
}
.toggle-slider::before {
  content: ''; position: absolute; width: 18px; height: 18px;
  background: white; border-radius: 50%; left: 3px; top: 3px; transition: 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.toggle input:checked + .toggle-slider { background: var(--primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ── Toast ── */
.toast-container { position:fixed; bottom:24px; right:24px; z-index:999; display:flex; flex-direction:column; gap:8px; }
.toast { padding:13px 18px; border-radius: 4px; font-size:0.88rem; font-weight:500; box-shadow:0 8px 24px rgba(0,0,0,0.4); animation:t-in 0.3s ease; display:flex; align-items:center; gap:8px; max-width:300px; }
.toast-success { background:rgba(52,211,153,0.15); border:1px solid rgba(52,211,153,0.3); color:var(--success); }
.toast-error   { background:rgba(248,113,113,0.15); border:1px solid rgba(248,113,113,0.3); color:var(--danger); }
.toast-info    { background:rgba(26,115,232,0.15); border:1px solid rgba(26,115,232,0.3); color:var(--primary); }
@keyframes t-in { from{opacity:0;transform:translateX(16px)} to{opacity:1;transform:none} }

/* ── Modal ── */
.modal-overlay {
  position:fixed; inset:0; background: rgba(0,0,0,0.4);
   z-index:200;
  display:flex; align-items:center; justify-content:center; padding:20px;
  opacity:0; pointer-events:none; transition:var(--transition);
}
.modal-overlay.open { opacity:1; pointer-events:all; }
.modal {
  background:var(--surface); border:1px solid var(--border); border-radius:20px;
  padding:32px; max-width:440px; width:100%;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  transform:scale(0.95); transition:var(--transition);
}
.modal-overlay.open .modal { transform:scale(1); }
.modal h3 { margin-bottom:6px; }
.modal p  { color:var(--muted); font-size:0.88rem; margin-bottom:20px; }
.modal-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:20px; }

/* ── Misc ── */
.spinner { width:20px; height:20px; border:2px solid rgba(0,0,0,0.05); border-top-color:var(--primary); border-radius:50%; animation:spin 0.7s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }
.loading-center { display:flex; align-items:center; justify-content:center; padding:60px; }
.empty-state { text-align:center; padding:60px 20px; color:var(--muted); }
.empty-state .empty-icon { font-size:2.5rem; margin-bottom:12px; }
.empty-state h3 { font-size:1rem; margin-bottom:6px; color:var(--text); }
.badge { display:inline-flex; align-items:center; padding:3px 9px; border-radius:999px; font-size:0.75rem; font-weight:600; }
.badge-unread { background: #e8f0fe; color:var(--primary); border:1px solid rgba(26,115,232,0.25); }
.badge-read { background: var(--surface); color:var(--muted); border:1px solid var(--border); }

@media (max-width: 768px) {
  .dash-layout { flex-direction: column !important; }
  .sidebar { width: 100% !important; height: auto !important; position: static !important; border-right: none; border-bottom: 1px solid var(--border); }
  .sidebar-logo { padding: 16px 20px; border-bottom: none; }
  .sidebar-nav { flex-direction: row; overflow-x: auto; padding: 0 16px 12px; }
  .nav-item { flex-shrink: 0; }
  .sidebar-user { flex-direction: row !important; padding: 16px 20px !important; border-top: 1px solid var(--border) !important; align-items: center !important; justify-content: space-between !important; }
  
  .main-content { margin-left: 0 !important; width: 100% !important; overflow-x: hidden; }
  .topbar { padding: 16px 20px; flex-wrap: wrap; gap: 12px; }
  .breadcrumb { flex-wrap: wrap; }
  .page-content { padding: 20px 16px; }
  
  .tab-bar { width: 100%; overflow-x: auto; white-space: nowrap; padding: 6px; }
  .tab-btn { flex-shrink: 0; }
  
  .table-toolbar { flex-direction: column; align-items: stretch; }
  .search-input { width: 100%; }
}