:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --ink: #172033;
  --muted: #617085;
  --line: #d9e1eb;
  --accent: #1777d1;
  --accent-deep: #125ca4;
  --accent-soft: #e9f3ff;
  --teal-soft: #e8f6f7;
  --teal-ink: #155e63;
  --warning-soft: #fff3d6;
  --warning-ink: #885800;
  --danger: #a12323;
  --danger-soft: #fde8e8;
  --danger-ink: #8d2f2f;
  --success-soft: #e8f6ef;
  --success-ink: #1c6b47;
  --shadow: 0 20px 50px rgba(23, 32, 51, 0.08);
  --shadow-soft: 0 10px 24px rgba(23, 32, 51, 0.06);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, #ffffff 0%, rgba(255, 255, 255, 0.92) 24%, rgba(255, 255, 255, 0) 44%),
    linear-gradient(180deg, #f8fbff 0%, #eef3f9 100%);
}

.shell {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero,
.layout {
  display: grid;
  gap: 20px;
}

.hero {
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 360px);
  align-items: start;
  margin-bottom: 22px;
}

.layout {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.panel,
.install-card,
.notice-card,
.stat-card,
.message-card {
  border: 1px solid rgba(217, 225, 235, 0.95);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius);
}

.panel,
.install-card,
.notice-card {
  padding: 26px;
}

.hero-copy {
  padding: 12px 0 6px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2.7rem, 5vw, 4.2rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  font-size: 1.7rem;
}

h4 {
  font-size: 1.1rem;
  line-height: 1.3;
}

.subtitle,
.helper-text,
.panel-header p,
.empty-state,
.stat-card span,
.helper-label {
  color: var(--muted);
}

.subtitle {
  max-width: 720px;
  margin-top: 16px;
  font-size: 1.08rem;
  line-height: 1.65;
}

.hero-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.hero-tag {
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.install-title {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.qr-card {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 8px 0 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
}

.install-qr {
  display: block;
  width: min(220px, 100%);
  height: auto;
  border-radius: 12px;
}

.panel-header {
  margin-bottom: 20px;
}

.state-banner,
.account-summary {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfdff 0%, #f5f9fc 100%);
  padding: 16px 18px;
  margin-bottom: 16px;
  border-radius: 18px;
}

.state-banner strong,
.account-summary strong {
  display: block;
  margin-bottom: 6px;
}

.state-banner span {
  color: var(--muted);
  line-height: 1.45;
}

.state-banner.state-good {
  background: linear-gradient(180deg, #f7fffb 0%, var(--success-soft) 100%);
  border-color: #cce8d8;
}

.state-banner.state-warn {
  background: linear-gradient(180deg, #fffdf7 0%, var(--warning-soft) 100%);
  border-color: #efd9a8;
}

.state-banner.state-bad {
  background: linear-gradient(180deg, #fff8f8 0%, var(--danger-soft) 100%);
  border-color: #efc5c5;
}

.field {
  display: block;
  font-weight: 700;
  color: #243148;
}

.field input,
.field select,
.field textarea,
.compact-select {
  width: 100%;
  margin-top: 8px;
  padding: 14px 15px;
  border: 1px solid #cad6e2;
  border-radius: 16px;
  background: var(--surface-soft);
  color: var(--ink);
  font: inherit;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.compact-select:focus {
  outline: none;
  border-color: #78aee2;
  box-shadow: 0 0 0 4px rgba(23, 119, 209, 0.12);
  background: #ffffff;
}

.field textarea {
  resize: vertical;
  min-height: 150px;
}

.field-span {
  grid-column: 1 / -1;
}

.confidential-toggle {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfdff 0%, #f4f8fb 100%);
  border-radius: 18px;
}

.check-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.check-row input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.actions,
.toolbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button {
  border: 1px solid #1766b7;
  background: linear-gradient(180deg, #2587e0 0%, var(--accent-deep) 100%);
  color: #ffffff;
  padding: 13px 18px;
  border-radius: 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(18, 92, 164, 0.16);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(18, 92, 164, 0.18);
}

.secondary-button,
.ghost-button {
  background: #ffffff;
  color: #1f2933;
  border-color: #c7d6e4;
  box-shadow: none;
}

.ghost-button.is-active {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #ffffff;
  border-color: var(--accent-deep);
}

.manager-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px auto;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, #fbfdff 0%, #f3f8fc 100%);
}

.toolbar-stack {
  min-width: 0;
}

.toolbar-stack strong {
  display: block;
  margin-top: 6px;
}

.helper-label {
  display: block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  padding: 18px;
  border-radius: 20px;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 2rem;
}

.stat-card.warning {
  background: linear-gradient(180deg, #fffdfa 0%, #fff4da 100%);
  border-color: #f0ddb2;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.message-list {
  display: grid;
  gap: 14px;
}

.message-card {
  padding: 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.message-card.is-resolved {
  opacity: 0.8;
}

.message-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.message-copy {
  min-width: 0;
}

.message-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.message-sender {
  color: var(--ink);
  font-weight: 700;
}

.pill-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 11px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.pill.priority-normal {
  background: var(--accent-soft);
  color: #14518d;
}

.pill.priority-high {
  background: var(--warning-soft);
  color: var(--warning-ink);
}

.pill.priority-urgent,
.pill-unread,
.pill-confidential {
  background: var(--danger-soft);
  color: var(--danger-ink);
}

.pill-read {
  background: var(--teal-soft);
  color: var(--teal-ink);
}

.pill-resolved {
  background: var(--success-soft);
  color: var(--success-ink);
}

.message-body {
  margin-top: 16px;
  line-height: 1.65;
  color: #243436;
  font-size: 0.98rem;
}

.message-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.install-card strong {
  display: block;
  margin-bottom: 14px;
  line-height: 1.4;
  word-break: break-word;
  font-size: 1rem;
}

.install-link-box {
  margin-top: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfdff 0%, #f5f9fc 100%);
  border-radius: 18px;
}

.install-link-box a {
  color: var(--accent-deep);
  font-weight: 700;
  word-break: break-all;
  text-decoration: none;
}

.notice-card.danger {
  border-color: #efb8b8;
  background: var(--danger-soft);
}

.empty-state {
  padding: 24px 0;
  text-align: center;
}

code {
  font-family: Consolas, "Courier New", monospace;
}

@media (max-width: 980px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
  }

  .manager-toolbar,
  .stats-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .message-top {
    flex-direction: column;
  }

  .pill-row {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1220px);
    padding: 20px 0 32px;
  }

  .panel,
  .install-card,
  .notice-card {
    padding: 20px;
    border-radius: 22px;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.45rem;
  }

  .manager-toolbar {
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .message-actions,
  .toolbar-actions,
  .actions {
    flex-direction: column;
  }

  button,
  .secondary-button,
  .ghost-button {
    width: 100%;
  }
}