/* ============================================================
   Minsait Knowledge Base Portal — IRB Brasil RE
   Identidade Visual: minsait.com
   ============================================================ */

:root {
  --minsait-blue:       #0f2d52;
  --minsait-blue-mid:   #1a4a7a;
  --minsait-blue-light: #2563a8;
  --minsait-red:        #e30613;
  --minsait-red-hover:  #b8040f;
  --minsait-white:      #ffffff;
  --minsait-gray-bg:    #f4f6f9;
  --minsait-gray-border:#dde2ea;
  --minsait-gray-text:  #4a5568;
  --minsait-gray-light: #8a96a8;
  --sidebar-width:      280px;
  --header-height:      64px;
  --font:               'Segoe UI', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--minsait-gray-bg);
  color: #1a202c;
  font-size: 15px;
  line-height: 1.6;
}

/* ── HEADER ─────────────────────────────────────────────── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--minsait-blue);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--minsait-red);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  letter-spacing: -1px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text .brand {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .3px;
}

.logo-text .sub {
  font-size: 11px;
  color: rgba(255,255,255,.55);
  font-weight: 400;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.header-divider {
  width: 1px;
  height: 32px;
  background: rgba(255,255,255,.2);
}

.header-project {
  font-size: 13px;
  color: rgba(255,255,255,.75);
  font-weight: 400;
}

.header-project strong {
  color: #fff;
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-badge {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.85);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 500;
  letter-spacing: .3px;
}

.header-badge.red {
  background: var(--minsait-red);
  border-color: var(--minsait-red);
  color: #fff;
}

/* ── LAYOUT ──────────────────────────────────────────────── */
#layout {
  display: flex;
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* ── SIDEBAR ─────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-width);
  background: var(--minsait-blue);
  flex-shrink: 0;
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

#sidebar::-webkit-scrollbar { width: 4px; }
#sidebar::-webkit-scrollbar-track { background: transparent; }
#sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 2px; }

.sidebar-section {
  padding: 20px 0 8px;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  padding: 0 20px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  cursor: pointer;
  color: rgba(255,255,255,.7);
  font-size: 13.5px;
  font-weight: 400;
  transition: background .15s, color .15s;
  border-left: 3px solid transparent;
  text-decoration: none;
  user-select: none;
}

.nav-item:hover {
  background: rgba(255,255,255,.07);
  color: #fff;
}

.nav-item.active {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-left-color: var(--minsait-red);
  font-weight: 600;
}

.nav-item .nav-icon {
  font-size: 15px;
  flex-shrink: 0;
  opacity: .8;
}

.nav-item.active .nav-icon { opacity: 1; }

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--minsait-red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 11px;
  color: rgba(255,255,255,.3);
  line-height: 1.5;
}

/* ── MAIN CONTENT ────────────────────────────────────────── */
#main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--header-height));
}

/* ── BREADCRUMB ──────────────────────────────────────────── */
#breadcrumb {
  background: #fff;
  border-bottom: 1px solid var(--minsait-gray-border);
  padding: 10px 32px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--minsait-gray-light);
}

#breadcrumb span { color: var(--minsait-gray-text); }
#breadcrumb .bc-sep { color: var(--minsait-gray-border); }
#breadcrumb .bc-current { color: var(--minsait-blue); font-weight: 600; }

/* ── CONTENT AREA ────────────────────────────────────────── */
#content-area {
  flex: 1;
  padding: 32px;
  max-width: 960px;
}

/* ── HOME DASHBOARD ──────────────────────────────────────── */
.home-hero {
  background: linear-gradient(135deg, var(--minsait-blue) 0%, var(--minsait-blue-mid) 100%);
  border-radius: 10px;
  padding: 40px 40px;
  color: #fff;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}

.home-hero::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: rgba(255,255,255,.04);
  border-radius: 50%;
}

.home-hero::after {
  content: '';
  position: absolute;
  bottom: -60px; right: 60px;
  width: 140px; height: 140px;
  background: rgba(227,6,19,.15);
  border-radius: 50%;
}

.home-hero h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
}

.home-hero p {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  max-width: 520px;
  position: relative;
}

.home-hero .hero-tag {
  display: inline-block;
  background: var(--minsait-red);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.card {
  background: #fff;
  border: 1px solid var(--minsait-gray-border);
  border-radius: 8px;
  padding: 20px 22px;
  cursor: pointer;
  transition: box-shadow .2s, border-color .2s, transform .15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(15,45,82,.1);
  border-color: var(--minsait-blue-light);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 24px;
  margin-bottom: 4px;
}

.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--minsait-blue);
}

.card-desc {
  font-size: 12.5px;
  color: var(--minsait-gray-text);
  line-height: 1.5;
}

.card-meta {
  font-size: 11px;
  color: var(--minsait-gray-light);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-meta .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.stat-box {
  background: #fff;
  border: 1px solid var(--minsait-gray-border);
  border-radius: 8px;
  padding: 16px 18px;
  text-align: center;
}

.stat-box .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--minsait-blue);
  line-height: 1;
}

.stat-box .stat-label {
  font-size: 11px;
  color: var(--minsait-gray-light);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ── MARKDOWN RENDERED ───────────────────────────────────── */
#md-content {
  background: #fff;
  border: 1px solid var(--minsait-gray-border);
  border-radius: 8px;
  padding: 36px 40px;
  line-height: 1.75;
}

#md-content h1 {
  font-size: 24px;
  font-weight: 800;
  color: var(--minsait-blue);
  border-bottom: 3px solid var(--minsait-red);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

#md-content h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--minsait-blue);
  margin: 32px 0 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--minsait-gray-border);
}

#md-content h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--minsait-blue-mid);
  margin: 22px 0 10px;
}

#md-content h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--minsait-gray-text);
  margin: 16px 0 8px;
}

#md-content p { margin-bottom: 14px; }

#md-content a {
  color: var(--minsait-blue-light);
  text-decoration: none;
}
#md-content a:hover { text-decoration: underline; }

#md-content ul, #md-content ol {
  padding-left: 22px;
  margin-bottom: 14px;
}

#md-content li { margin-bottom: 5px; }

#md-content code {
  background: #f0f4f8;
  border: 1px solid #dde2ea;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  color: var(--minsait-blue);
}

#md-content pre {
  background: #0f1e30;
  border-radius: 8px;
  padding: 20px 22px;
  overflow-x: auto;
  margin: 16px 0;
  border-left: 4px solid var(--minsait-red);
}

#md-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: #e2e8f0;
  font-size: 13px;
  line-height: 1.6;
}

#md-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13.5px;
}

#md-content th {
  background: var(--minsait-blue);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .3px;
}

#md-content td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--minsait-gray-border);
  vertical-align: top;
}

#md-content tr:nth-child(even) td { background: #f8fafc; }
#md-content tr:hover td { background: #eef3fa; }

#md-content blockquote {
  border-left: 4px solid var(--minsait-blue-light);
  background: #eef3fa;
  padding: 12px 18px;
  margin: 16px 0;
  border-radius: 0 6px 6px 0;
  color: var(--minsait-gray-text);
  font-size: 13.5px;
}

#md-content hr {
  border: none;
  border-top: 1px solid var(--minsait-gray-border);
  margin: 28px 0;
}

#md-content input[type="checkbox"] {
  margin-right: 6px;
  accent-color: var(--minsait-blue);
}

/* ── LOADING / ERROR ─────────────────────────────────────── */
.state-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--minsait-gray-light);
  gap: 12px;
}

.state-box .state-icon { font-size: 40px; }
.state-box p { font-size: 14px; }

.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--minsait-gray-border);
  border-top-color: var(--minsait-blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 768px) {
  #sidebar { transform: translateX(-100%); transition: transform .25s; }
  #sidebar.open { transform: translateX(0); }
  #main { margin-left: 0; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  #content-area { padding: 20px 16px; }
  #md-content { padding: 24px 20px; }
}

/* ── EDIT BUTTON ─────────────────────────────────────────── */
.btn-edit {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: background .15s;
}
.btn-edit:hover { background: rgba(255,255,255,.2); }

/* ── EDITOR ──────────────────────────────────────────────── */
.editor-wrap {
  background: #fff;
  border: 1px solid var(--minsait-gray-border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height) - 80px);
}

.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--minsait-blue);
  gap: 12px;
  flex-wrap: wrap;
}

.editor-info {
  font-size: 13px;
  color: rgba(255,255,255,.8);
}

.editor-info strong { color: #fff; }

.editor-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.editor-input {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 5px;
  width: 160px;
  outline: none;
}

.editor-input::placeholder { color: rgba(255,255,255,.45); }
.editor-input.wide { width: 240px; }

.editor-panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex: 1;
  overflow: hidden;
}

.editor-pane {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--minsait-gray-border);
  overflow: hidden;
}

.editor-pane:last-child { border-right: none; }

.pane-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--minsait-gray-light);
  padding: 8px 14px;
  background: #f8fafc;
  border-bottom: 1px solid var(--minsait-gray-border);
}

#md-editor {
  flex: 1;
  border: none;
  outline: none;
  resize: none;
  padding: 16px;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #1a202c;
  background: #fafbfc;
}

.md-preview-pane {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.7;
}

.md-preview-pane h1 { font-size: 20px; color: var(--minsait-blue); border-bottom: 2px solid var(--minsait-red); padding-bottom: 8px; margin-bottom: 16px; }
.md-preview-pane h2 { font-size: 16px; color: var(--minsait-blue); margin: 20px 0 10px; border-bottom: 1px solid var(--minsait-gray-border); padding-bottom: 4px; }
.md-preview-pane h3 { font-size: 14px; color: var(--minsait-blue-mid); margin: 14px 0 8px; }
.md-preview-pane table { width: 100%; border-collapse: collapse; font-size: 12.5px; margin: 12px 0; }
.md-preview-pane th { background: var(--minsait-blue); color: #fff; padding: 8px 12px; text-align: left; }
.md-preview-pane td { padding: 7px 12px; border-bottom: 1px solid var(--minsait-gray-border); }
.md-preview-pane tr:nth-child(even) td { background: #f8fafc; }
.md-preview-pane code { background: #f0f4f8; border-radius: 3px; padding: 1px 5px; font-size: 12px; }
.md-preview-pane pre { background: #0f1e30; border-radius: 6px; padding: 14px; overflow-x: auto; margin: 10px 0; }
.md-preview-pane pre code { background: none; color: #e2e8f0; }
.md-preview-pane blockquote { border-left: 3px solid var(--minsait-blue-light); background: #eef3fa; padding: 10px 14px; margin: 10px 0; border-radius: 0 4px 4px 0; }

.btn-save {
  background: var(--minsait-red);
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-save:hover { background: var(--minsait-red-hover); }
.btn-save:disabled { opacity: .6; cursor: not-allowed; }

.btn-cancel {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.2);
  padding: 7px 14px;
  border-radius: 5px;
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}
.btn-cancel:hover { background: rgba(255,255,255,.18); }

/* ── AUTH MODAL ──────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal-box {
  background: #fff;
  border-radius: 10px;
  padding: 32px;
  width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--minsait-blue);
}

.modal-desc {
  font-size: 13.5px;
  color: var(--minsait-gray-text);
}

.modal-input {
  border: 1px solid var(--minsait-gray-border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  width: 100%;
  transition: border-color .15s;
}

.modal-input:focus { border-color: var(--minsait-blue-light); }

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.modal-actions .btn-cancel {
  background: #f4f6f9;
  color: var(--minsait-gray-text);
  border: 1px solid var(--minsait-gray-border);
}

.modal-actions .btn-cancel:hover { background: #e8ecf0; }

/* ── TOAST ───────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--minsait-blue);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .3s, transform .3s;
  pointer-events: none;
  z-index: 300;
}

.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--minsait-red); }

/* ── HEADER USER ─────────────────────────────────────────── */
.header-user-name {
  font-size: 13px;
  color: rgba(255,255,255,.85);
  font-weight: 500;
}

.btn-logout {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.8);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 5px;
  cursor: pointer;
  transition: background .15s;
}

.btn-logout:hover { background: rgba(255,255,255,.2); }

.btn-login-header {
  background: var(--minsait-red);
  border: none;
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 5px;
  cursor: pointer;
  transition: background .15s;
}

.btn-login-header:hover { background: var(--minsait-red-hover); }

/* ── EDITOR USER LABEL ───────────────────────────────────── */
.editor-user {
  font-size: 12.5px;
  color: rgba(255,255,255,.7);
  padding: 6px 10px;
  background: rgba(255,255,255,.08);
  border-radius: 5px;
  white-space: nowrap;
}