:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #0f151b;
  color: #f4f7fb;
  --bg: #0f151b;
  --sidebar: #090f14;
  --panel: #151d25;
  --panel-soft: #1b2631;
  --line: #2b3a49;
  --text: #f4f7fb;
  --muted: #9daabe;
  --brand-primary-dark: #02df82;
  --brand-primary-light: #095f4e;
  --button-bg-dark: #02df82;
  --button-bg-light: #095f4e;
  --button-text-dark: #021a1c;
  --button-text-light: #f1f7f7;
  --button-bg: var(--button-bg-dark);
  --button-text: var(--button-text-dark);
  --brand: var(--button-bg);
  --brand-strong: var(--button-bg);
  --brand-soft: #12332f;
  --sidebar-active-bg: #102820;
  --sidebar-active-text: #78eeb0;
  --sidebar-active-border: #24513d;
  --danger: #ff8c8c;
  --success: #82e1a2;
}

:root[data-theme="light"] {
  color-scheme: light;
  background: #f4f7fb;
  color: #141b24;
  --bg: #f4f7fb;
  --sidebar: #ffffff;
  --panel: #ffffff;
  --panel-soft: #eef3f8;
  --line: #d7e0ea;
  --text: #141b24;
  --muted: #5e6b7c;
  --button-bg: var(--button-bg-light);
  --button-text: var(--button-text-light);
  --brand: var(--button-bg);
  --brand-strong: var(--button-bg);
  --brand-soft: #e4f4f2;
  --sidebar-active-bg: #e8f1ef;
  --sidebar-active-text: var(--button-bg);
  --sidebar-active-border: #b9d5cf;
  --danger: #b33232;
  --success: #146c38;
}

@supports (background: color-mix(in srgb, #000000 50%, #ffffff 50%)) {
  :root {
    --sidebar-active-bg: color-mix(in srgb, var(--button-bg) 16%, var(--sidebar) 84%);
    --sidebar-active-text: color-mix(in srgb, var(--button-bg) 64%, var(--text) 36%);
    --sidebar-active-border: color-mix(in srgb, var(--button-bg) 34%, var(--line) 66%);
  }

  :root[data-theme="light"] {
    --sidebar-active-bg: color-mix(in srgb, var(--button-bg) 12%, var(--sidebar) 88%);
    --sidebar-active-text: var(--button-bg);
    --sidebar-active-border: color-mix(in srgb, var(--button-bg) 26%, var(--line) 74%);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
}

a {
  color: var(--brand);
}

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

.auth-card,
.panel {
  width: min(100%, 440px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 24px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.25);
}

.auth-card h1,
.panel h1 {
  margin: 0 0 8px;
}

.auth-card p {
  color: var(--muted);
}

label {
  display: grid;
  gap: 6px;
  margin: 14px 0;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--input-bg, #111922);
  color: var(--text);
  padding: 11px 12px;
  font: inherit;
}

select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  font: inherit;
  background: var(--input-bg, #111922);
  color: var(--text);
}

:root[data-theme="light"] input,
:root[data-theme="light"] select,
:root[data-theme="light"] textarea {
  --input-bg: #ffffff;
}

textarea {
  resize: vertical;
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 6px;
  background: var(--button-bg);
  color: var(--button-text);
  padding: 11px 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.theme-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
}

.alert,
.success {
  border-radius: 6px;
  margin: 12px 0;
  padding: 10px 12px;
}

.alert {
  background: rgba(255, 140, 140, 0.12);
  color: var(--danger);
}

.success {
  background: rgba(130, 225, 162, 0.12);
  color: var(--success);
}

.app-shell {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--line);
  background: var(--sidebar);
  padding: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--button-bg);
  color: var(--button-text);
  font-weight: 900;
}

.brand strong {
  display: block;
  font-size: 18px;
}

.brand span,
.sidebar-user span,
.eyebrow,
small {
  color: var(--muted);
}

.side-nav {
  display: grid;
  gap: 8px;
  margin: 20px 0;
}

.side-nav a,
.side-nav span {
  display: flex;
  align-items: center;
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 12px;
  color: var(--text);
  text-decoration: none;
}

.side-nav span {
  color: #9aa4b2;
}

.side-nav a.is-active {
  border-color: var(--sidebar-active-border);
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: 700;
}

.sidebar-user {
  display: grid;
  gap: 4px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.workspace {
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.topbar h1 {
  margin: 2px 0 0;
  font-size: 22px;
}

.topbar span {
  color: var(--muted);
}

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

.panel {
  width: 100%;
  margin: 0;
}

.wide-panel {
  margin-top: 18px;
}

.content-section {
  width: calc(100% - 48px);
  max-width: 1600px;
  margin: 24px auto;
}

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

.section-head h2 {
  margin: 0;
}

.section-head p {
  margin: 4px 0 0;
  color: var(--muted);
}

.eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

.clients-stats {
  margin-bottom: 14px;
}

.finance-filter,
.finance-stats {
  margin-bottom: 14px;
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 18px;
}

.stat-card span,
.stat-card small {
  display: block;
  color: var(--muted);
}

.stat-card strong {
  display: block;
  margin: 8px 0;
  font-size: 28px;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(380px, 520px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.form-panel,
.list-panel {
  padding: 20px;
}

.client-form-panel {
  max-width: 760px;
  margin-bottom: 14px;
}

.form-panel h2,
.list-panel h2 {
  margin-top: 0;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  overflow: auto;
  background: rgba(3, 8, 12, 0.72);
  padding: 24px;
}

.modal-panel {
  width: min(100%, 760px);
  max-height: calc(100vh - 48px);
  overflow: auto;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.modal-head h2 {
  margin: 0;
}

.modal-close {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-size: 24px;
  line-height: 1;
}

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

.form-row.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.recurring-grid,
.project-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  margin: 14px 0;
  padding: 14px;
}

.recurring-grid label,
.project-panel label {
  min-width: 0;
  margin: 0;
}

.project-panel {
  grid-template-columns: 1fr;
}

.conditional-panel.is-hidden {
  display: none;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 12px 14px;
}

.check-row input {
  width: auto;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

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

.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

td strong,
td small {
  display: block;
}

.pill {
  display: inline-flex;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 700;
}

.row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  white-space: nowrap;
}

.row-actions form {
  margin: 0;
}

.link-button {
  display: inline;
  border: 0;
  background: transparent;
  color: var(--danger);
  padding: 0;
  font: inherit;
  font-weight: 700;
}

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

.client-card {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.client-card-top,
.client-identity,
.status-line {
  display: flex;
  align-items: center;
  gap: 12px;
}

.client-card-top {
  justify-content: space-between;
}

.client-avatar {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-weight: 900;
}

.client-identity strong,
.client-identity small {
  display: block;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--muted);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 800;
}

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

.client-notes {
  margin: 0;
  color: var(--muted);
}

.client-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.client-metrics div {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  padding: 10px;
}

.client-metrics span,
.client-metrics strong {
  display: block;
}

.client-metrics span {
  color: var(--muted);
  font-size: 12px;
}

.client-card-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

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

.payment-alert-list {
  display: grid;
  gap: 8px;
}

.payment-alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  padding: 10px 12px;
}

.payment-alert span {
  color: var(--muted);
}

.transaction-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
}

.transaction-card h3 {
  margin: 8px 0 4px;
}

.transaction-card p {
  margin: 0;
}

.transaction-card > strong {
  white-space: nowrap;
  font-size: 18px;
}

.chip-income {
  border-color: rgba(2, 223, 130, 0.35);
  color: var(--success);
}

.chip-expense {
  border-color: rgba(255, 140, 140, 0.35);
  color: var(--danger);
}

.money-income {
  color: var(--success);
}

.money-expense {
  color: var(--danger);
}

.danger-button {
  color: var(--danger);
}

.settings-panel {
  max-width: 860px;
}

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

.color-field {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  margin: 0;
  padding: 12px;
}

.color-field-title {
  display: block;
  margin-bottom: 10px;
}

.color-trigger {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 8px;
}

.color-swatch {
  width: 34px;
  height: 28px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.color-trigger-value {
  font-weight: 800;
  text-transform: lowercase;
}

.color-popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 12px;
  z-index: 70;
  width: min(280px, calc(100vw - 48px));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
  padding: 10px;
}

.color-popover.is-hidden {
  display: none;
}

.color-area {
  position: relative;
  height: 160px;
  border-radius: 6px;
  background:
    linear-gradient(to top, #000000, transparent),
    linear-gradient(to right, #ffffff, hsl(var(--picker-hue, 0), 100%, 50%));
  cursor: crosshair;
}

.color-area-handle {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 1px #000000;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.color-hue {
  appearance: none;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(to right, red, yellow, lime, cyan, blue, magenta, red);
  margin: 10px 0;
  cursor: pointer;
}

.color-hue::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  background: transparent;
  box-shadow: 0 0 0 1px #000000;
}

.color-hue::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  background: transparent;
  box-shadow: 0 0 0 1px #000000;
}

.color-hex-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.color-hex-row span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
}

.color-hex-row input {
  height: 36px;
  text-transform: lowercase;
}

.brand-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
  margin-top: 14px;
  padding: 14px;
}

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

  .sidebar {
    position: static;
    height: auto;
  }

  .stats-grid,
  .split-grid,
  .form-row,
  .form-row.three-col,
  .recurring-grid,
  .project-panel,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .transaction-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .payment-alert {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .row-actions {
    justify-content: flex-start;
  }

  .content-section {
    width: calc(100% - 24px);
    margin-top: 16px;
  }

  .client-card-top,
  .status-line,
  .client-card-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .client-metrics {
    grid-template-columns: 1fr;
  }
}