:root {
  --bg: #f6f6f7;
  --panel: #ffffff;
  --line: #e1e3e5;
  --line-strong: #c9cccf;
  --text: #202223;
  --muted: #6d7175;
  --primary: #008060;
  --primary-hover: #005c46;
  --primary-soft: #e3f9f2;
  --good: #008060;
  --bad: #d72c0d;
  --bad-soft: #fef1ed;
  --shadow: 0 0 0 1px rgba(63, 63, 68, 0.05), 0 1px 3px 0 rgba(63, 63, 68, 0.12);
  --radius: 12px;
  --radius-sm: 6px;
  --sidebar: 248px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "San Francisco", "Segoe UI",
    Roboto, "Helvetica Neue", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

body {
  min-height: 100vh;
}

h1,
h2,
h3 {
  margin: 0 0 8px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 {
  font-size: 22px;
}

h2 {
  font-size: 16px;
}

h3 {
  font-size: 14px;
}

.lede,
.hint,
.banner {
  color: var(--muted);
  margin: 0 0 16px;
}

.hint {
  font-size: 13px;
}

code {
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text);
}

#login-view:not([hidden]) {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.login-card,
.optout-card {
  width: min(420px, 100%);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
}

.brand-kicker {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
}

#app-view:not([hidden]) {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px 10px 18px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #008060 0%, #00a67d 100%);
  flex-shrink: 0;
}

.brand strong {
  display: block;
  font-size: 14px;
}

.brand span {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 0;
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--bg);
}

.nav-item.is-active {
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.sidebar-foot {
  padding: 12px 10px 4px;
  border-top: 1px solid var(--line);
}

.sidebar-foot p {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--muted);
  word-break: break-word;
}

.app-shell {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.app-bar-title {
  flex: 1;
  min-width: 0;
}

.app-bar-title h1,
.app-bar-title .lede {
  margin: 0;
}

.app-bar-title .lede {
  margin-top: 2px;
  font-size: 13px;
}

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

.icon-btn {
  display: none;
}

.app-body {
  padding: 24px;
}

.panel {
  display: none;
}

.panel.is-active {
  display: block;
}

.card,
.status-row article,
#connect-store,
#settings,
#credits,
#clients .card,
#admin-credits,
#new-client {
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.card + .card,
.panel .card + form.card,
#admin-credits,
#new-client {
  margin-top: 16px;
}

.banner {
  background: var(--primary-soft);
  color: var(--primary-hover);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

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

.status-row span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 6px;
}

.status-row strong {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}

.two-col .full {
  grid-column: 1 / -1;
}

label {
  display: block;
  margin: 14px 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

input,
textarea,
select {
  width: 100%;
  margin-top: 6px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-hover);
  box-shadow: 0 0 0 1px var(--primary-hover);
}

select {
  width: auto;
  margin: 0;
  min-width: 180px;
}

.switch-row {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.switch-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--text);
}

.switch-row input {
  width: auto;
  margin: 0;
}

.switch-inline {
  display: flex !important;
  align-items: center;
  gap: 8px;
  margin: 8px 0 4px;
  color: var(--text);
}

.switch-inline input {
  width: auto;
  margin: 0;
}

#settings h3 {
  margin: 22px 0 4px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.nested-fields {
  margin: 0 0 8px 22px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

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

button {
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

button:hover {
  background: var(--primary-hover);
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
}

button.ghost:hover {
  background: var(--bg);
  border-color: #8c9196;
}

.table-wrap {
  overflow: auto;
  margin-top: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  font-weight: 600;
  color: var(--text);
  background: #fafbfb;
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  white-space: nowrap;
}

.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  vertical-align: top;
  color: var(--text);
}

.data-table .muted {
  color: var(--muted);
}

.data-table .ok {
  color: var(--good);
  font-weight: 600;
}

.data-table .bad {
  color: var(--bad);
  font-weight: 600;
}

.flash {
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
}

.packs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 12px 0;
}

.packs button {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line-strong);
}

.packs button:hover,
.packs button:focus {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.packs span {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

#sidebar-backdrop {
  display: none;
}

.flow-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.flow-toolbar .actions {
  margin-top: 0;
}

.flow-tabs {
  display: flex;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}

.flow-tab {
  background: transparent;
  color: var(--muted);
  border: 0;
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 500;
}

.flow-tab:hover {
  background: var(--bg);
  color: var(--text);
}

.flow-tab.is-active {
  background: var(--primary);
  color: #fff;
}

.flow-tab.is-active:hover {
  background: var(--primary-hover);
  color: #fff;
}

.flow-table-card {
  padding: 0;
}

.flow-table-card .table-wrap {
  margin: 0;
}

.flow-row {
  cursor: pointer;
}

.flow-row:hover td {
  background: #fafbfb;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
}

.pill-on {
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.pill-off {
  background: var(--bg);
  color: var(--muted);
}

.pill-default {
  background: #fff4d9;
  color: #916a00;
  margin-left: 8px;
}

.channel-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
}

.flow-section-title {
  margin-bottom: 4px;
}

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

.template-card {
  text-align: left;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
  box-shadow: var(--shadow);
}

.template-card:hover,
.template-card:focus {
  background: var(--panel);
  border-color: var(--primary);
  color: var(--text);
}

.template-card h3 {
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.template-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}

.flow-editor-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(220px, 0.9fr) 280px;
  gap: 16px;
  align-items: start;
}

.timeline-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.timeline {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.tl-node {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  text-align: left;
  color: var(--text);
  width: 100%;
}

.tl-node:hover {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--text);
}

.tl-node.is-selected {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-hover);
}

.tl-node.is-sms.is-selected {
  background: #fff4e8;
  border-color: #de7818;
  color: #9e4b00;
}

.tl-node small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 4px;
}

.tl-line {
  width: 2px;
  height: 16px;
  background: var(--line);
  margin: 0 auto;
}

.phone-wrap {
  display: flex;
  justify-content: center;
}

.phone-mock {
  width: 260px;
  background: #111;
  border-radius: 28px;
  padding: 12px 10px 18px;
  box-shadow: var(--shadow);
}

.phone-notch {
  width: 72px;
  height: 8px;
  background: #333;
  border-radius: 8px;
  margin: 4px auto 10px;
}

.phone-screen {
  background: #f3f3f4;
  border-radius: 18px;
  min-height: 340px;
  padding: 16px 12px;
}

.phone-sender {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
}

.sms-bubble {
  background: #fff;
  border-radius: 16px 16px 16px 4px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.phone-meta {
  margin: 10px 0 0;
  font-size: 11px;
  color: var(--muted);
  text-align: right;
}

.token-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.token-chip {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px 8px;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
}

.token-chip:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-hover);
}

@media (max-width: 860px) {
  .status-row,
  .two-col,
  .packs,
  .template-grid,
  .flow-editor-grid {
    grid-template-columns: 1fr;
  }

  .icon-btn {
    display: inline-flex;
  }

  #app-view:not([hidden]) {
    display: block;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    transform: translateX(-100%);
    transition: transform 0.18s ease;
  }

  body.nav-open .sidebar {
    transform: none;
  }

  #sidebar-backdrop:not([hidden]) {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(32, 34, 35, 0.35);
    z-index: 15;
  }

  .app-body {
    padding: 16px;
  }

  select {
    min-width: 0;
    max-width: 160px;
  }
}