:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --fg: #1c2024;
  --muted: #60646c;
  --border: #e3e5e8;
  --accent: #1c71d8;
  --accent-fg: #ffffff;
  --accent-weak: #e7f0fc;
  --danger: #d4380d;
  --success: #2f9e44;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 8px 24px rgba(0, 0, 0, .06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #181b20;
    --fg: #e6e8eb;
    --muted: #9aa0a6;
    --border: #2a2e35;
    --accent: #4d94f0;
    --accent-fg: #0f1115;
    --accent-weak: #14253d;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.auth-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 1rem;
}

.auth-card {
  width: 100%;
  max-width: 26rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

/* wider variant for content that needs more space (settings page) */
.auth-card--wide { max-width: 52rem; }

.auth-brand {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.brand-logo { height: 2.25rem; width: auto; }

.auth-card h1 {
  font-size: 1.4rem;
  margin: 0 0 1rem;
  text-align: center;
}

.welcome-sub { text-align: center; color: var(--muted); margin: 0 0 .75rem; }
.welcome-sub strong { color: var(--fg); }

.hero-icon {
  display: flex;
  justify-content: center;
  margin-bottom: .5rem;
  color: var(--accent);
}
.hero-icon svg { width: 2.5rem; height: 2.5rem; }
.hero-icon-error { color: var(--danger); }

.kratos-form, .consent-actions { display: flex; flex-direction: column; gap: .85rem; }

.kratos-field { display: flex; flex-direction: column; gap: .3rem; }
.kratos-field label { font-size: .85rem; font-weight: 600; color: var(--muted); }

.kratos-field input,
input[type="text"], input[type="email"], input[type="password"], input[type="tel"] {
  width: 100%;
  padding: .7rem .85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font-size: 1.0625rem;
}
.kratos-field input:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.kratos-checkbox, .remember {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .9rem;
  color: var(--muted);
}
.kratos-checkbox input, .remember input { width: auto; }

.kratos-qr {
  display: block;
  margin: .5rem auto;
  width: 12rem;
  height: 12rem;
  image-rendering: pixelated;
}
.kratos-text {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .6rem .7rem;
  font-size: .9rem;
  word-break: break-word;
}
.kratos-anchor { color: var(--accent); font-size: .9rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .65rem 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg); }
.btn-oidc { background: var(--bg); color: var(--fg); border-color: var(--border); }
.btn-oidc:hover { background: var(--accent-weak); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

button[type="submit"]:not(.btn) {
  padding: .65rem 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--accent);
  color: var(--accent-fg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}

.btn-row { display: flex; flex-direction: column; gap: .6rem; }

/* toasters */
.kratos-messages { display: flex; flex-direction: column; gap: .4rem; margin-bottom: .5rem; }
.kratos-field-messages { display: flex; flex-direction: column; }
.msg { margin: 0; font-size: .85rem; border-radius: 8px; }
.kratos-messages .msg { padding: .5rem .7rem; }
.msg-error { color: var(--danger); background: rgba(212, 56, 13, .08); }
.msg-success { color: var(--success); background: rgba(47, 158, 68, .08); }
.msg-info { color: var(--muted); }

.auth-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .25rem 1rem;
  margin-top: 1.25rem;
  font-size: .9rem;
}
.auth-links a { color: var(--accent); text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }

.auth-footer { font-size: .8rem; }
.auth-footer a { color: var(--muted); text-decoration: none; }

.client-logo { display: block; max-height: 3rem; margin: 0 auto 1rem; }
.consent-sub { color: var(--muted); text-align: center; margin: 0 0 1rem; }

.scope-cards { list-style: none; margin: 0 0 1.25rem; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.scope-card {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  padding: .75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}
.scope-icon {
  display: inline-flex;
  flex: 0 0 auto;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--accent-weak);
  color: var(--accent);
}
.scope-icon svg { width: 1.25rem; height: 1.25rem; }
.scope-text { display: flex; flex-direction: column; }
.scope-text strong { font-size: .95rem; }
.scope-text span { font-size: .85rem; color: var(--muted); }

.client-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .25rem 1rem;
  margin-top: 1rem;
  font-size: .8rem;
}
.client-links a { color: var(--muted); }

.error-detail { color: var(--muted); text-align: center; }

.auth-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
}
.lang-switch { display: flex; gap: .6rem; font-size: .8rem; }
.lang-switch a { color: var(--muted); text-decoration: none; }
.lang-switch a:hover { text-decoration: underline; }
.lang-switch a.active { color: var(--accent); font-weight: 600; }

.contacticons { display: flex; align-items: center; gap: .75rem; }
.contacticons a { color: var(--muted); display: inline-flex; align-items: center; }
.contacticons a:hover { color: var(--accent); }
.contacticons svg { height: 1.2rem; width: auto; }
/* fix colour */
.contacticons [fill="#000000"] { fill: currentColor; }

/* --- Settings: sidebar tabs + horizontal MFA sub-chooser --- */
.settings { position: relative; display: grid; grid-template-columns: minmax(190px, 15rem) 1fr; gap: 2rem; align-items: start; }
.settings-tabradio, .settings-subradio { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
/* Sidebar: bordered panel of icon + label rows. */
.settings-tabs {
  display: flex; flex-direction: column; gap: .15rem;
  padding: .4rem; border: 1px solid var(--border); border-radius: 10px; background: var(--bg);
}
.settings-tab {
  display: flex; align-items: center; gap: .6rem;
  padding: .6rem .7rem; border-radius: 7px; cursor: pointer;
  font-weight: 500; color: var(--muted); user-select: none;
}
.settings-tab svg { width: 1.15rem; height: 1.15rem; flex: 0 0 auto; }
.settings-tab-label { flex: 1 1 auto; }
.settings-tab:hover { background: var(--accent-weak); color: var(--fg); }
.settings-panel { display: none; }
.settings-panel .kratos-form { max-width: 30rem; }
/* Single page heading at the top of the grid, swapped with the active tab. */
.settings-heading { display: none; grid-column: 1 / -1; margin: 0 0 1.25rem; font-size: 1.5rem; text-align: center; }

/* Horizontal sub-method chooser, revealed inside the MFA panel. */
.settings-subtabs {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin: 0 0 1.25rem; padding-bottom: .75rem; border-bottom: 1px solid var(--border);
}
.settings-subtab {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .4rem .75rem; border-radius: 999px; cursor: pointer;
  color: var(--muted); font-size: .95rem; font-weight: 500;
  border: 1px solid var(--border); user-select: none;
}
.settings-subtab svg { width: 1rem; height: 1rem; flex: 0 0 auto; }
.settings-subtab:hover { background: var(--accent-weak); color: var(--fg); }
.settings-subpanel { display: none; }

#tab-profile:checked ~ .settings-panels .panel-profile,
#tab-password:checked ~ .settings-panels .panel-password,
#tab-mfa:checked ~ .settings-panels .panel-mfa,
#tab-oidc:checked ~ .settings-panels .panel-oidc,
#tab-delete:checked ~ .settings-panels .panel-delete { display: block; }
#tab-profile:checked ~ .heading-profile,
#tab-password:checked ~ .heading-password,
#tab-mfa:checked ~ .heading-mfa,
#tab-oidc:checked ~ .heading-oidc,
#tab-delete:checked ~ .heading-delete { display: block; }
#tab-profile:checked ~ .settings-tabs label[for="tab-profile"],
#tab-password:checked ~ .settings-tabs label[for="tab-password"],
#tab-mfa:checked ~ .settings-tabs label[for="tab-mfa"],
#tab-oidc:checked ~ .settings-tabs label[for="tab-oidc"],
#tab-delete:checked ~ .settings-tabs label[for="tab-delete"] {
  background: var(--accent-weak); color: var(--accent); font-weight: 600;
}
/* Special colour for the delete-account */
.settings-tab[for="tab-delete"]:hover { background: rgba(212, 56, 13, .08); color: var(--danger); }
#tab-delete:checked ~ .settings-tabs label[for="tab-delete"] { background: rgba(212, 56, 13, .1); color: var(--danger); }
.settings-delete-body { color: var(--muted); margin: 0 0 1rem; max-width: 34rem; }
.settings-delete-contacts { margin-top: 1rem; display: flex; justify-content: center; }

/* MFA sub tab level */
#sub-passkey:checked ~ .settings-panels .subpanel-passkey,
#sub-webauthn:checked ~ .settings-panels .subpanel-webauthn,
#sub-totp:checked ~ .settings-panels .subpanel-totp,
#sub-lookup_secret:checked ~ .settings-panels .subpanel-lookup_secret { display: block; }
#sub-passkey:checked ~ .settings-panels label[for="sub-passkey"],
#sub-webauthn:checked ~ .settings-panels label[for="sub-webauthn"],
#sub-totp:checked ~ .settings-panels label[for="sub-totp"],
#sub-lookup_secret:checked ~ .settings-panels label[for="sub-lookup_secret"] {
  background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 600;
}

@media (max-width: 640px) {
  /* Single column: the sidebar stacks above the content, tabs stay vertical
     and full width (a wrapping row mangled their widths). */
  .settings { grid-template-columns: 1fr; gap: 1rem; }
  .settings-panel .kratos-form { max-width: none; }
}