/* Reddit Analytics dashboard - stile condiviso (caricato automaticamente da Dash da /assets) */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-muted: #f9fafb;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --text: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eff6ff;
  --highlight: #fffbeb;
  --highlight-border: #f59e0b;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* ---------- Shell ---------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.app-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-name { font-weight: 650; font-size: 15px; color: var(--text); letter-spacing: -0.01em; }
.brand-tag { font-size: 12px; color: var(--text-muted); }

.nav { display: flex; gap: 4px; height: 100%; }
.nav-link {
  display: flex;
  align-items: center;
  padding: 0 12px;
  height: 100%;
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--text); text-decoration: none; }
.nav-link.active { color: var(--text); border-bottom-color: var(--accent); }

.page { max-width: 1200px; margin: 0 auto; padding: 28px 24px 64px; }

.page-header { margin-bottom: 20px; }
.page-title { margin: 0; font-size: 22px; font-weight: 650; letter-spacing: -0.02em; color: var(--text); }
.page-subtitle { margin: 4px 0 0; color: var(--text-muted); }

.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }

/* ---------- Card ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title { margin: 0; font-size: 15px; font-weight: 600; color: var(--text); }
.card-description { margin: 2px 0 0; font-size: 13px; color: var(--text-muted); }
.card-body { padding: 20px; }
.card-body.flush { padding: 0; }

/* ---------- Form controls ---------- */

.toolbar { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-grow { flex: 1 1 280px; }
.field-md { flex: 0 1 220px; }
.field-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }

.input {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  padding: 0 16px;
  font: inherit;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-muted); }
.btn-sm { height: 30px; padding: 0 12px; font-size: 13px; }

.link-button {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
}
.link-button:hover { color: var(--accent-hover); text-decoration: underline; }

/* Dash dropdown (react-select) */
.Select-control { border-color: var(--border-strong) !important; border-radius: var(--radius-sm) !important; min-height: 38px; }
.is-focused:not(.is-open) > .Select-control { border-color: var(--accent) !important; box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15) !important; }

/* Dash date range picker (react-dates) */
.DateRangePickerInput { border: 1px solid var(--border-strong) !important; border-radius: var(--radius-sm) !important; overflow: hidden; }
.DateInput_input { font-family: var(--font) !important; font-size: 14px !important; padding: 8px 12px !important; color: var(--text) !important; }
.DateInput_input__focused { border-bottom-color: var(--accent) !important; }

/* ---------- Badges & meta ---------- */

.meta { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 14px; color: var(--text-muted); font-size: 13px; }
.meta-item strong { color: var(--text-secondary); font-weight: 600; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text-secondary);
  white-space: nowrap;
}
.badge-value { font-family: var(--font-mono); font-weight: 600; color: var(--text); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); }
.badge.prob-low .badge-dot { background: #10b981; }
.badge.prob-mid .badge-dot { background: #f59e0b; }
.badge.prob-high { background: #fef2f2; border-color: #fecaca; }
.badge.prob-high .badge-dot { background: #ef4444; }
.badge-group { display: inline-flex; gap: 6px; flex-wrap: wrap; }

.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent-hover);
}
.tag-muted { background: #f3f4f6; color: var(--text-secondary); }

/* ---------- Post & comments ---------- */

.post-title { margin: 0 0 10px; font-size: 22px; font-weight: 650; line-height: 1.3; letter-spacing: -0.02em; }
.post-body {
  margin-top: 16px;
  padding: 16px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  color: var(--text);
  max-height: 420px;
  overflow-y: auto;
}
.section-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin: 0 0 8px; }

.comment {
  padding: 12px 14px;
  margin-bottom: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.comment.is-highlighted { background: var(--highlight); border-color: var(--highlight-border); box-shadow: inset 3px 0 0 var(--highlight-border); }
.comment-header { display: flex; align-items: center; justify-content: space-between; gap: 8px 12px; flex-wrap: wrap; }
.comment-author { font-weight: 600; color: var(--text); font-size: 13px; }
.comment-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--text-muted); }
.comment-body { margin-top: 6px; white-space: pre-wrap; word-break: break-word; line-height: 1.55; color: #1f2937; max-height: 360px; overflow-y: auto; }

.thread { border-left: 2px solid var(--border); padding-left: 12px; margin-left: 12px; }
.thread.flat { margin-left: 0; }

.replies-toggle { margin: 0 0 8px 2px; }
.replies-toggle::before { content: "+"; display: inline-block; width: 14px; font-family: var(--font-mono); }
.replies-toggle.is-open::before { content: "\2212"; }

.load-more { margin: 4px 0 12px; }

.empty-state { padding: 40px 0; text-align: center; color: var(--text-muted); }
.error-state { padding: 16px; color: #b91c1c; background: #fef2f2; border: 1px solid #fecaca; border-radius: var(--radius-sm); }

.mermaid-output {
  margin: 0;
  padding: 16px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  max-height: 480px;
  overflow: auto;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  height: 36px;
  padding: 0 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.12);
  cursor: pointer;
}
.back-to-top:hover { background: var(--surface-muted); }

/* ---------- Search results ---------- */

.result { padding: 16px 20px; border-bottom: 1px solid var(--border); }
.result:last-child { border-bottom: none; }
.result-title { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.result-title a { color: var(--text); font-weight: 600; font-size: 15px; }
.result-title a:hover { color: var(--accent); }
.result-snippet { margin: 10px 0; padding: 10px 12px; background: var(--surface-muted); border-radius: var(--radius-sm); white-space: pre-wrap; word-break: break-word; color: #1f2937; }
.result-actions { display: flex; align-items: center; gap: 16px; margin-top: 10px; flex-wrap: wrap; font-size: 13px; }

.results-section-title { margin: 24px 0 10px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); }

.path-root { padding: 14px 16px; margin-bottom: 16px; background: var(--accent-soft); border: 1px solid #dbeafe; border-radius: var(--radius-sm); }
.path-root .post-body { max-height: 140px; margin-top: 10px; background: var(--surface); }
.path-step-label { font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; }

/* Dash DataTable */
.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner th,
.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner td { font-family: var(--font) !important; }
.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner td .dash-cell-value p { margin: 0; }
.dash-table-container .previous-next-container { font-family: var(--font); font-size: 13px; padding: 10px 12px; }