:root {
  --bg: #eef3f8;
  --sidebar: #1f2f45;
  --sidebar-2: #172336;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --border: #cfd8e4;
  --border-strong: #b8c6d6;
  --text: #182635;
  --text-soft: #5f6f83;
  --accent: #0f79d0;
  --accent-strong: #085ca0;
  --ok: #2d8b57;
  --warn: #b07a14;
  --shadow: 0 10px 26px rgba(24, 38, 53, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(227, 235, 245, 0.9)),
    linear-gradient(90deg, #edf3f9, #e2ebf5);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
}

.sidebar {
  background: linear-gradient(180deg, var(--sidebar), var(--sidebar-2));
  color: #f4f8fc;
  display: grid;
  grid-template-rows: auto auto 1fr;
  padding: 18px 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 10px 22px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: linear-gradient(180deg, #2c8fe0, #0a5fa9);
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.brand-title {
  font-size: 14px;
  font-weight: 700;
}

.brand-subtitle {
  margin-top: 2px;
  font-size: 12px;
  color: rgba(244, 248, 252, 0.66);
}

.nav {
  display: grid;
  gap: 6px;
}

.section-nav {
  margin-top: -2px;
  margin-bottom: 6px;
  padding: 0 0 0 14px;
  display: grid;
  gap: 4px;
}

.section-nav-list {
  display: grid;
  gap: 4px;
}

.section-nav-item {
  text-align: left;
  min-height: 30px;
  padding: 0 12px 0 18px;
  border-radius: 4px;
  border: 1px solid transparent;
  color: rgba(231, 239, 247, 0.82);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
}

.section-nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

.section-nav-item.active {
  background: rgba(17, 121, 208, 0.16);
  border-color: rgba(255, 255, 255, 0.12);
}

.section-nav-item:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.nav-item {
  text-align: left;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 4px;
  border: 1px solid transparent;
  color: #e7eff7;
  background: transparent;
  cursor: pointer;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.nav-item.active {
  background: linear-gradient(180deg, rgba(29, 139, 231, 0.38), rgba(18, 94, 157, 0.38));
  border-color: rgba(255, 255, 255, 0.16);
}

.sidebar-footer {
  align-self: end;
  padding: 12px 10px 4px;
  display: grid;
  gap: 8px;
  color: rgba(244, 248, 252, 0.72);
  font-size: 12px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.workspace {
  min-width: 0;
  padding: 18px;
  display: grid;
  gap: 18px;
}

.topbar {
  min-height: 56px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: linear-gradient(180deg, #ffffff, #edf3f8);
  box-shadow: var(--shadow);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
}

.topbar-title {
  font-size: 16px;
  font-weight: 700;
}

.topbar-subtitle {
  margin-top: 2px;
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1.4;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-pill {
  min-width: 88px;
  min-height: 30px;
  padding: 0 12px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: #7c8a9b;
}

.status-pill.online {
  background: var(--ok);
}

.ghost-button,
.primary-button {
  min-height: 34px;
  padding: 0 14px;
  border-radius: 4px;
  border: 1px solid var(--border-strong);
  cursor: pointer;
}

.ghost-button {
  background: linear-gradient(180deg, #ffffff, #eef3f8);
  color: var(--text);
}

.icon-button {
  min-width: 34px;
  padding: 0 10px;
  font-size: 15px;
  line-height: 1;
 }

.primary-button {
  color: #fff;
  border-color: #0c66b0;
  background: linear-gradient(180deg, #1a8ce2, #0d6bbb);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.panel,
.stat-card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff, var(--surface-soft));
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.panel-head h1,
.panel-head h2,
.panel-head p {
  margin: 0;
}

.panel-head p {
  margin-top: 6px;
  color: var(--text-soft);
  font-size: 13px;
}

.panel-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.login-card {
  max-width: 760px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-grid label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--text-soft);
}

.form-grid .full {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: #fff;
  min-height: 38px;
  padding: 8px 10px;
  color: var(--text);
}

textarea {
  resize: vertical;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-start;
}

.message-bar {
  margin-top: 14px;
  min-height: 20px;
  color: var(--warn);
  font-size: 13px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat-card {
  padding: 16px 18px;
}

.stat-label {
  color: var(--text-soft);
  font-size: 13px;
}

.stat-value {
  margin-top: 8px;
  font-size: 34px;
  font-weight: 700;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
}

.content-grid.single-pane,
.content-grid.two-columns.single-pane,
.wedding-detail-grid.single-pane,
.library-grid.single-pane,
.block-workspace-grid.single-pane {
  grid-template-columns: minmax(0, 1fr);
}

.content-grid.two-columns {
  grid-template-columns: 1fr 1.1fr;
}

.table-shell {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
}

.dense-table {
  table-layout: fixed;
}

.dense-table td {
  vertical-align: top;
}

.data-row {
  cursor: pointer;
}

.data-row:hover td {
  background: #f6f9fc;
}

.data-row.selected td {
  background: #edf4fb;
}

.table-empty {
  color: var(--text-soft);
  text-align: center;
  padding: 20px 16px;
 }

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 12px 12px;
  border-bottom: 1px solid #dde6ef;
  font-size: 13px;
}

th {
  background: #eaf1f8;
  color: #3b5067;
  font-weight: 700;
}

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

.device-card,
.scenario-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  padding: 14px;
}

.scenario-card {
  cursor: pointer;
}

.scenario-card.selected {
  border-color: #5d9fda;
  box-shadow: inset 0 0 0 1px rgba(15, 121, 208, 0.18);
  background: linear-gradient(180deg, #ffffff, #f2f7fc);
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.card-title {
  font-weight: 700;
}

.card-meta,
.cue-list {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.45;
}

.cue-list {
  display: grid;
  gap: 6px;
}

.wedding-detail {
  margin-top: 18px;
  display: grid;
  gap: 18px;
}

.wedding-detail-grid {
  grid-template-columns: 1.15fr 1fr;
  align-items: start;
}

.wedding-detail-grid > .panel {
  align-self: start;
  min-height: 0;
}

.wedding-summary-panel,
.block-editor-panel {
  display: grid;
  align-content: start;
}

.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 4px;
}

.detail-meta-item {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: linear-gradient(180deg, #ffffff, #f8fbfe);
  padding: 14px 16px;
  display: grid;
  gap: 6px;
  align-content: start;
  min-height: 78px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.detail-meta-label {
  display: block;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.detail-meta-value {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
}

.detail-notes {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: linear-gradient(180deg, #ffffff, #f8fbfe);
  padding: 14px;
  display: grid;
  gap: 8px;
  align-content: start;
  min-height: 120px;
}

.detail-notes p {
  margin: 0;
  color: var(--text);
  line-height: 1.45;
  white-space: pre-wrap;
}

.detail-export {
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.block-workspace-grid {
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
}

.block-detail-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.block-detail-header {
  display: grid;
  gap: 10px;
}

.block-detail-title {
  font-size: 18px;
  font-weight: 700;
}

.library-grid {
  grid-template-columns: 0.95fr 1.25fr;
  margin-bottom: 18px;
}

.library-form {
  margin-bottom: 18px;
}

.library-category-list,
.library-track-list {
  display: grid;
  gap: 10px;
}

.library-category-card,
.library-track-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  padding: 14px;
}

.library-category-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.library-category-name {
  font-weight: 700;
}

.library-category-meta,
.library-track-meta {
  margin-top: 6px;
  color: var(--text-soft);
  font-size: 13px;
}

.library-toolbar {
  display: flex;
  align-items: end;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

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

.library-search {
  min-width: 220px;
  display: grid;
  gap: 6px;
  color: var(--text-soft);
  font-size: 13px;
}

.panel-inner {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  padding: 16px;
  min-height: 240px;
}

.library-track-card {
  cursor: pointer;
}

.library-track-card.selected {
  border-color: #5d9fda;
  box-shadow: inset 0 0 0 1px rgba(15, 121, 208, 0.18);
  background: linear-gradient(180deg, #ffffff, #f2f7fc);
}

.library-track-detail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 32, 48, 0.38);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 40;
}

.modal-card {
  width: min(760px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 18px;
  display: grid;
  gap: 16px;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.modal-head h3,
.modal-head p {
  margin: 0;
}

.modal-head p {
  margin-top: 6px;
  color: var(--text-soft);
  font-size: 13px;
}

.library-track-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.library-track-title {
  font-size: 18px;
  font-weight: 700;
}

.library-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.library-detail-item {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: linear-gradient(180deg, #ffffff, #f8fbfe);
  padding: 12px 14px;
  display: grid;
  gap: 4px;
}

.library-detail-label {
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.library-detail-value {
  font-size: 14px;
  line-height: 1.4;
}

.library-detail-form {
  display: grid;
  gap: 12px;
}

.library-detail-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.danger-button {
  min-height: 34px;
  padding: 0 14px;
  border-radius: 4px;
  border: 1px solid #a44d57;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(180deg, #bf5d67, #8e3943);
}

.library-audio {
  width: 100%;
}

.track-preview-panel {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: linear-gradient(180deg, #ffffff, #f8fbfe);
}

.track-preview-panel .library-audio {
  display: none;
}

.track-preview-time {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

.library-empty {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.45;
}

.block-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  padding: 14px;
  display: grid;
  gap: 10px;
}

.block-card-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.block-card .card-title-row {
  align-items: flex-start;
  flex: 1 1 280px;
}

.block-card .tag {
  flex: 0 0 auto;
  margin-left: auto;
}

.block-position {
  min-width: 34px;
  min-height: 34px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  background: #e9f2fb;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
}

.block-title {
  font-size: 16px;
  font-weight: 700;
}

.block-meta {
  margin-top: 0;
  color: var(--text-soft);
  font-size: 13px;
}

.block-notes {
  margin-top: 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  padding-top: 2px;
}

.block-track-section {
  margin-top: 4px;
  border-top: 1px solid #e4ebf3;
  padding-top: 12px;
  display: grid;
  gap: 10px;
}

.block-track-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
}

.block-track-list {
  display: grid;
  gap: 8px;
}

.block-track-item {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #f9fbfe;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.block-track-name {
  font-weight: 700;
}

.block-track-meta {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 13px;
}

.block-track-form {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.block-track-category-select,
.block-track-select {
  min-width: 0;
}

.tag {
  padding: 4px 8px;
  border-radius: 999px;
  background: #edf4fb;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
}

.tag.ok {
  background: #e8f4ed;
  color: var(--ok);
}

.tag.warn {
  background: #fff2de;
  color: var(--warn);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  max-width: 360px;
  padding: 12px 14px;
  border-radius: 6px;
  background: #20364f;
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

[hidden] {
  display: none !important;
}

@media (max-width: 1180px) {
  .content-grid,
  .content-grid.two-columns,
  .stats-grid,
  .library-grid,
  .wedding-detail-grid,
  .block-workspace-grid,
  .detail-meta-grid,
  .library-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    grid-template-rows: auto auto auto;
  }

  .dense-table {
    table-layout: auto;
  }

  .modal-overlay {
    padding: 12px;
  }

  .modal-card {
    padding: 14px;
  }

  .block-track-form {
    grid-template-columns: 1fr;
  }

  .workspace {
    padding: 14px;
  }
}

@media (max-width: 720px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .block-track-form {
    grid-template-columns: 1fr;
  }

  .topbar {
    min-height: auto;
    padding: 14px;
    align-items: start;
    flex-direction: column;
  }
}