:root {
  --bg: #f6f7f9;
  --bg-soft: #fbfcfd;
  --surface: #ffffff;
  --surface-soft: #f3f4f6;
  --surface-warm: #fbfcfd;
  --surface-hover: rgba(0, 0, 0, 0.035);
  --border: rgb(229, 231, 235);
  --border-strong: rgba(0, 0, 0, 0.12);
  --control-border: rgba(0, 0, 0, 0.06);
  --control-border-hover: rgba(0, 0, 0, 0.1);
  --text: #0f1720;
  --text-soft: #202124;
  --muted: #5f6368;
  --muted-soft: #8c98a8;
  --accent: #1a1a19;
  --accent-strong: #000000;
  --accent-soft: #f3f4f6;
  --focus: #1267f1;
  --focus-soft: rgba(18, 103, 241, 0.12);
  --danger: #b42318;
  --danger-soft: #fff0ed;
  --warning: #986a12;
  --warning-soft: #fff6dc;
  --radius-card: 8px;
  --radius-control: 999px;
  --radius-field: 14px;
  --radius-composer: 22px;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.1);
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.035);
  --shadow-composer: 0 12px 32px rgba(0, 0, 0, 0.02);
  --shadow-popover: 0 18px 50px rgba(15, 23, 42, 0.12), 0 3px 12px rgba(15, 23, 42, 0.06);
  --transition-fast: 0.16s ease;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #ffffff 0, var(--bg-soft) 280px, var(--bg) 100%),
    var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--control-border);
  border-radius: var(--radius-field);
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

input,
select {
  height: 46px;
  padding: 0 14px;
}

textarea {
  min-height: 132px;
  resize: vertical;
  padding: 13px 14px;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--control-border-hover);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(18, 103, 241, 0.55);
  box-shadow: 0 0 0 3px var(--focus-soft);
}

label span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 clamp(18px, 3vw, 36px);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 760;
}

.topbar-brand::before {
  content: "";
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: #1a1a19;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

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

.user-chip {
  border: 1px solid var(--control-border);
  border-radius: 999px;
  padding: 7px 12px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 560;
}

.primary-button,
.secondary-button,
.ghost-button,
.danger-button,
.ghost-link,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: var(--radius-control);
  padding: 0 16px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.primary-button {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

.primary-button:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

.secondary-button,
.ghost-button,
.ghost-link {
  border-color: var(--control-border);
  background: var(--surface);
  color: var(--muted);
}

.secondary-button:hover,
.ghost-button:hover,
.ghost-link:hover {
  border-color: var(--control-border-hover);
  background: var(--surface-hover);
  color: var(--text-soft);
  transform: translateY(-1px);
}

.danger-button {
  border-color: #f2b5ad;
  background: var(--danger-soft);
  color: var(--danger);
}

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

.link-button {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  font-size: 13px;
}

.link-button:hover {
  color: var(--focus);
}

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

.wide-button {
  width: 100%;
}

.stack {
  display: grid;
  gap: 16px;
}

.modal-dialog {
  width: min(520px, calc(100% - 28px));
  padding: 0;
  border: 0;
  border-radius: var(--radius-card);
  background: transparent;
  color: var(--text);
}

.modal-dialog::backdrop {
  background: rgba(15, 23, 32, 0.34);
  backdrop-filter: blur(6px);
}

.modal-card {
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
}

.modal-head,
.modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.modal-actions {
  justify-content: flex-end;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--control-border);
  border-radius: var(--radius-control);
  padding: 0;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.icon-button:hover {
  border-color: var(--control-border-hover);
  background: var(--surface-hover);
  color: var(--text-soft);
}

.form-error {
  min-height: 20px;
  color: var(--danger);
  font-size: 13px;
}

.form-message {
  min-height: 20px;
  color: var(--accent);
  font-size: 13px;
}

.auth-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
  background:
    linear-gradient(180deg, #ffffff 0%, #fafafa 48%, #f2f4f7 100%);
}

.auth-shell {
  width: min(100%, 440px);
}

.auth-panel {
  display: grid;
  gap: 28px;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.auth-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  background: #1a1a19;
  color: #fff;
  font-weight: 820;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.16);
}

.auth-footer {
  padding-top: 12px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.hidden {
  display: none !important;
}

@media (max-width: 720px) {
  .topbar {
    min-height: 58px;
    padding: 0 16px;
  }

  .topbar-actions {
    gap: 6px;
  }

  .ghost-link,
  .ghost-button {
    padding: 0 10px;
  }
}