:root {
  --bg: #0F0F10;
  --card-bg: #141415;
  --sidebar-bg: #131314;
  --raised-bg: #1C1C1E;
  --border: #232326;
  --text: #ffffff;
  --muted: #8A8A8E;
  --accent: #5B5BD6;
  --accent-hover: #6f6fe0;
  --accent-soft: rgba(91, 91, 214, 0.14);
  --danger: #e5484d;
  --success: #2fb344;
  --warning: #d9a441;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.24);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- App shell / sidebar ---------- */

.app-shell {
  display: flex;
  min-height: 100vh;
  align-items: stretch;
}

.sidebar {
  width: 248px;
  flex: 0 0 248px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  padding: 4px 8px 20px;
}
.sidebar-brand:hover { color: var(--text); }
.brand-mark {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 2px 10px rgba(91, 91, 214, 0.45);
}
.brand-text { font-weight: 700; font-size: 14.5px; letter-spacing: -0.01em; line-height: 1.2; }

.sidebar-nav { flex: 1; }
.nav-group { margin-bottom: 18px; }
.nav-group-label {
  padding: 0 10px;
  margin-bottom: 4px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #55555a;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8px 10px;
  margin: 1px 0;
  border-radius: 8px;
  color: #b4b4b9;
  font-size: 13.5px;
  font-weight: 500;
  position: relative;
  transition: background 0.14s ease, color 0.14s ease;
}
.nav-icon { flex: 0 0 auto; opacity: 0.75; transition: opacity 0.14s ease; }
.nav-link span:first-of-type { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-link:hover { background: var(--raised-bg); color: var(--text); }
.nav-link:hover .nav-icon { opacity: 1; }
.nav-link.active {
  background: var(--accent-soft);
  color: #fff;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(91, 91, 214, 0.35);
}
.nav-link.active .nav-icon { opacity: 1; color: var(--accent-hover); }

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 10px 4px;
  margin-top: 10px;
  border-top: 1px solid var(--border);
}
.user-avatar {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--raised-bg);
  border: 1px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.user-info { min-width: 0; flex: 1; }
.user-name { font-size: 13px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-email { font-size: 11.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logout-form { margin: 0; flex: 0 0 auto; }
.logout-button {
  background: none;
  border: none;
  padding: 6px;
  border-radius: 7px;
  color: var(--muted);
  display: flex;
  cursor: pointer;
}
.logout-button:hover { background: var(--raised-bg); color: var(--danger); }

.content {
  flex: 1;
  min-width: 0;
  padding: 36px 40px 64px;
  max-width: 1080px;
}

.content-public {
  max-width: none;
  padding: 0;
}

@media (max-width: 860px) {
  .app-shell { flex-direction: column; }
  .sidebar {
    width: auto;
    flex: none;
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    padding: 10px 12px;
    white-space: nowrap;
  }
  .sidebar-brand { padding: 0 10px; flex: 0 0 auto; }
  .brand-text { display: none; }
  .sidebar-nav { display: flex; flex: none; }
  .nav-group { display: flex; align-items: center; margin: 0; }
  .nav-group-label { display: none; }
  .nav-link span:first-of-type { display: none; }
  .nav-link { padding: 9px; margin: 0 2px; }
  .sidebar-user { border-top: none; padding: 0 0 0 8px; margin: 0; }
  .user-info { display: none; }
  .content { padding: 24px 20px 48px; }
}

/* ---------- Cards / typography ---------- */

.auth-card, .card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 28px 30px;
  margin-bottom: 20px;
}
.auth-card { max-width: 400px; margin: 8vh auto; }
.content-public { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.content-public .auth-card { margin: 0; }

h1 { margin: 0 0 6px; font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
h2 { margin: 0 0 16px; font-size: 15px; font-weight: 600; }
h3 { margin: 0 0 6px; font-size: 14px; font-weight: 600; }
.page-header { margin-bottom: 24px; }
.muted { color: var(--muted); font-size: 13px; }

/* ---------- Forms ---------- */

label {
  display: block;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--muted);
}
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 12px;
  background: var(--raised-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.12s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 70px; }

button, .button-link {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s ease;
}
button:hover, .button-link:hover { background: var(--accent-hover); color: #fff; }

.button-secondary {
  background: var(--raised-bg);
  color: var(--text);
  border: 1px solid var(--border);
}
.button-secondary:hover { background: #242427; color: var(--text); }

.link-button {
  background: none;
  color: var(--muted);
  padding: 0;
  font-weight: 400;
  text-decoration: underline;
  border-radius: 0;
}
.link-button:hover { background: none; color: var(--text); }
.link-button.danger { color: var(--danger); }
.link-button.danger:hover { color: #ff6b6f; }

.inline-form { display: inline-flex; gap: 8px; align-items: center; margin: 0; }
.inline-form select, .inline-form input { width: auto; margin: 0; }

.button-link {
  display: inline-block;
}

.form-error {
  background: rgba(229, 72, 77, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}

.auth-alt { margin-top: 16px; font-size: 13px; color: var(--muted); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 16px;
}
.form-grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 640px) {
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
}

.field-label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }

.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); margin-bottom: 8px; }
.checkbox-label input { width: auto; margin: 0; }

.checkbox-list {
  max-height: 190px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-top: 6px;
  background: var(--raised-bg);
}
.checkbox-list .checkbox-label { margin-bottom: 6px; }
.checkbox-list .checkbox-label:last-child { margin-bottom: 0; }
.checkbox-list-empty { color: var(--muted); font-size: 13px; }

/* ---------- Tables / lists ---------- */

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  text-align: left;
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.data-table th { color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.data-table tbody tr:hover { background: var(--raised-bg); }

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.page-header > div:first-child { min-width: 0; }

.badge {
  display: inline-block;
  background: var(--raised-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  color: var(--muted);
}
.badge-quickwin { border-color: var(--accent); color: var(--accent); }
.badge-critical, .badge-high { border-color: var(--danger); color: var(--danger); }

.plain-list { list-style: none; margin: 0; padding: 0; }
.plain-list li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.plain-list li:last-child { border-bottom: none; }

.comment { padding: 12px 0; border-bottom: 1px solid var(--border); }
.comment-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; margin-bottom: 4px; }
.comment p { margin: 0; }

.kr-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.kr-form { display: flex; align-items: center; gap: 6px; flex: 1; margin: 0; }
.kr-form input, .kr-form button { margin: 0; width: auto; padding: 6px 8px; font-size: 13px; }
.kr-title { flex: 1; min-width: 0; }
.kr-num { width: 70px; }
.kr-unit { width: 50px; }
.kr-bar { width: 80px; height: 6px; background: var(--raised-bg); border-radius: 999px; overflow: hidden; }
.kr-bar-fill { height: 100%; background: var(--accent); }

.health-green { color: var(--success); }
.health-yellow { color: var(--warning); }
.health-red { color: var(--danger); }

.tab-nav { display: flex; gap: 20px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tab-nav a { padding: 8px 0; color: var(--muted); }
.tab-nav a.tab-active { color: var(--text); border-bottom: 2px solid var(--accent); }

.notif-unread { border-left: 2px solid var(--accent); padding-left: 10px; }

.idea-card { border-bottom: 1px solid var(--border); padding: 16px 0; }
.idea-card h3 { margin: 0 0 6px; font-size: 15px; }

.kanban { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; }
.kanban-col { flex: 0 0 240px; }
.kanban-col h2 { font-size: 13px; margin-bottom: 12px; }
.kanban-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
  color: var(--text);
  box-shadow: var(--shadow);
}
.kanban-card:hover { border-color: var(--accent); color: var(--text); }
.kanban-card .muted { font-size: 12px; margin-top: 4px; }

.stat-row { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-tile {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  flex: 1;
  min-width: 120px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-value { font-size: 28px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; }

.notif-badge {
  display: inline-block;
  background: var(--danger);
  color: #fff;
  border-radius: 999px;
  font-size: 11px;
  padding: 1px 6px;
  margin-left: 6px;
}

/* ---------- Dashboard ---------- */

.dash-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 860px) {
  .dash-grid { grid-template-columns: 1fr; }
}

.quick-links { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.list-item:last-child { border-bottom: none; }
.list-item-main { min-width: 0; }
.list-item-main strong { font-size: 14px; font-weight: 500; }
.list-item-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }

.empty-state { color: var(--muted); font-size: 13px; padding: 8px 0; }

/* ---------- Utilities ---------- */

.text-success { color: var(--success); }
.mt-sm { margin-top: 12px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 20px; }
.mb-md { margin-bottom: 16px; }
.action-group { display: flex; align-items: center; gap: 14px; }
.kr-bar-wide { width: 160px; }