:root {
  --bg: #08142d;
  --paper: rgba(242, 248, 255, 0.94);
  --paper-strong: #ffffff;
  --line: rgba(26, 74, 140, 0.14);
  --text: #0f2142;
  --muted: #58709b;
  --brand: #2b6fff;
  --brand-dark: #153a9d;
  --accent: #66d8ff;
  --success: #16886a;
  --danger: #b42318;
  --shadow: 0 24px 60px rgba(7, 28, 77, 0.16);
  --radius-xl: 28px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Be Vietnam Pro", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(102, 216, 255, 0.26), transparent 24%),
    radial-gradient(circle at right 18%, rgba(43, 111, 255, 0.18), transparent 20%),
    linear-gradient(180deg, #eef6ff 0%, #dfeafc 100%);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(100%, 560px);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 32px;
  box-shadow: var(--shadow);
  padding: 32px;
}

.login-brand {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 24px;
}

.login-logo {
  width: 140px;
  border-radius: 20px;
  box-shadow: 0 18px 36px rgba(2, 10, 32, 0.18);
}

.login-title {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
}

.login-copy {
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-hint {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(43, 111, 255, 0.08);
  color: var(--brand-dark);
}

.app-shell {
  display: grid;
  grid-template-columns: 310px 1fr;
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(8, 24, 56, 0.97), rgba(9, 44, 105, 0.95)),
    radial-gradient(circle at top, rgba(102, 216, 255, 0.14), transparent 32%);
  color: #eef6ff;
}

.brand-card,
.sidebar-footer,
.panel-card,
.hero-panel {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.brand-card {
  padding: 24px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(98, 191, 255, 0.07));
}

.brand-lockup {
  display: block;
}

.brand-logo {
  display: block;
  width: 100%;
  max-width: 250px;
  height: auto;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 36px rgba(2, 10, 32, 0.28);
  object-fit: contain;
}

.eyebrow,
.panel-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  font-size: 0.72rem;
  opacity: 0.82;
}

.brand-card h1 {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 800;
  color: #f7fbff;
}

.brand-copy {
  margin-top: 10px;
  color: rgba(238, 246, 255, 0.8);
}

.sidebar .nav-link {
  border-radius: 14px;
  color: rgba(238, 246, 255, 0.82);
  text-align: left;
  padding: 0.9rem 1rem;
  background: transparent;
  border: 1px solid rgba(189, 220, 255, 0.12);
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
  background: linear-gradient(135deg, rgba(102, 216, 255, 0.18), rgba(43, 111, 255, 0.18));
  color: #f4fbff;
  border-color: rgba(102, 216, 255, 0.36);
}

.sidebar-footer {
  border-radius: 22px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.mini-stat + .mini-stat { margin-top: 14px; }
.mini-stat span { display: block; font-size: 0.8rem; opacity: 0.76; }
.mini-stat strong { display: block; margin-top: 4px; }

.content { padding: 26px; }

.topbar,
.hero-panel,
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar { margin-bottom: 22px; }
.topbar h2 { font-size: 1.9rem; font-weight: 800; }
.topbar-actions { display: flex; gap: 12px; align-items: center; }
.topbar-actions .form-select { min-width: 230px; }

.current-user-card {
  display: grid;
  padding: 0.7rem 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
}

.current-user-card span {
  font-size: 0.85rem;
  color: var(--muted);
}

.btn-accent {
  background: linear-gradient(135deg, #39c6ff, var(--brand-dark));
  color: white;
  border: none;
  border-radius: 14px;
  padding: 0.8rem 1.1rem;
  font-weight: 700;
}

.btn-accent:hover {
  color: white;
  background: linear-gradient(135deg, #2eb5f2, #112f84);
}

.hero-panel,
.panel-card {
  background: var(--paper);
  border-radius: var(--radius-xl);
}

.hero-panel { padding: 24px 26px; margin-bottom: 22px; }
.hero-panel h3 { font-weight: 800; margin-bottom: 8px; }

.hero-badges,
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badges span,
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: rgba(43, 111, 255, 0.08);
  color: var(--brand-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

.panel-card { padding: 22px; }
.panel-head { margin-bottom: 18px; }
.panel-head h4 { margin: 0; font-size: 1.18rem; font-weight: 800; }

.metric-card {
  padding: 20px;
  border-radius: 22px;
  background: var(--paper-strong);
  border: 1px solid var(--line);
}

.metric-card h3 { margin: 12px 0 0; font-size: 2rem; font-weight: 800; }
.metric-card p { margin: 0; color: var(--muted); }
.metric-card small { display: inline-block; margin-top: 12px; color: var(--brand-dark); font-weight: 700; }

.status-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.status-column {
  border-radius: 18px;
  padding: 16px;
  background: #fffdf9;
  border: 1px solid var(--line);
}

.status-column h5 { font-weight: 800; margin-bottom: 4px; }
.status-column p { color: var(--muted); font-size: 0.88rem; }

.ticket-pill {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  margin-top: 10px;
}

.ticket-pill strong { display: block; font-size: 0.92rem; }
.ticket-pill span { font-size: 0.8rem; color: var(--muted); }

.stack-list { display: grid; gap: 12px; }

.stack-item {
  border-radius: 16px;
  padding: 14px 16px;
  background: #fffdf9;
  border: 1px solid var(--line);
}

.stack-item h5 { font-size: 1rem; margin: 0 0 6px; font-weight: 800; }
.stack-item p { margin: 0; color: var(--muted); }

.stack-item .meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  font-size: 0.82rem;
}

.filters .form-select,
.filters .form-control { min-width: 190px; }

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.table {
  --bs-table-bg: transparent;
  --bs-table-border-color: rgba(100, 64, 27, 0.1);
  margin-bottom: 0;
}

.table thead th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.table tbody tr { cursor: pointer; }
.table tbody tr:hover { background: rgba(43, 111, 255, 0.04); }

.badge-soft {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.38rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(43, 111, 255, 0.12);
  color: #214ba5;
}

.badge-status-new { background: rgba(91, 127, 196, 0.12); color: #365696; }
.badge-status-assigned { background: rgba(43, 111, 255, 0.12); color: var(--brand-dark); }
.badge-status-in-progress { background: rgba(102, 216, 255, 0.22); color: #126e92; }
.badge-status-testing { background: rgba(43, 111, 255, 0.1); color: #295b8c; }
.badge-status-done { background: rgba(47, 125, 86, 0.14); color: var(--success); }
.badge-status-reopen { background: rgba(180, 35, 24, 0.14); color: var(--danger); }

.ticket-detail { min-height: 260px; }

.empty-state {
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.45);
  border: 1px dashed rgba(100, 64, 27, 0.18);
  border-radius: 18px;
  padding: 28px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 20px;
}

.detail-section {
  border-radius: 18px;
  padding: 18px;
  background: #fffdf9;
  border: 1px solid var(--line);
}

.detail-section h5 { font-size: 1rem; font-weight: 800; margin-bottom: 14px; }

.key-value {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 10px;
  font-size: 0.94rem;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(100, 64, 27, 0.12);
}

.key-value:last-child { border-bottom: none; }
.key-value span:first-child { color: var(--muted); }

.timeline { display: grid; gap: 12px; }

.timeline-item {
  padding: 12px;
  border-radius: 14px;
  background: rgba(43, 111, 255, 0.05);
}

.timeline-item strong,
.comment-card strong {
  display: block;
  font-size: 0.92rem;
}

.timeline-item small,
.comment-card small { color: var(--muted); }

.comment-card {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: white;
  margin-bottom: 10px;
}

.notification-unread {
  border-color: rgba(43, 111, 255, 0.28);
  background: rgba(43, 111, 255, 0.06);
}

.modal-content {
  border: none;
  border-radius: 28px;
}

@media (max-width: 1200px) {
  .status-board { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .topbar,
  .hero-panel,
  .panel-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .content { padding: 16px; }
  .topbar-actions,
  .filters,
  .hero-badges { width: 100%; }
  .topbar-actions > *,
  .filters > * { width: 100%; }
  .status-board { grid-template-columns: 1fr; }
}