/* ================================
   SantaRosa – Signup Styles (optimiert)
   Datei: signup.css
   Nutzt layout.css als primäres Designsystem.
   Fokus: kein horizontaler Overflow, sauberes Mobile-Verhalten.
   ================================ */

/* ===== Theme (Signup-spezifische Tokens) ===== */
:root {
  --signup-card-bg: color-mix(in oklab, var(--surface) 96%, #ffffff 4%);
  --signup-text: var(--text);
  --signup-muted: var(--muted);

  --signup-primary: var(--brand);
  --signup-primary-600: var(--brand-600);
  --signup-primary-700: color-mix(in oklab, var(--brand-600) 88%, #000 12%);

  --signup-success: #22c55e;
  --signup-warn: var(--warn);
  --signup-error: #f97316;

  --signup-border: var(--border);
  --signup-card-border: var(--border);

  --signup-input-bg: rgba(255, 255, 255, 0.03);
  --signup-input-border: rgba(255, 255, 255, 0.16);
  --signup-input-border-focus: color-mix(in oklab, var(--brand) 70%, transparent);

  --signup-shadow-md: var(--shadow);
  --signup-radius: var(--radius);
  --signup-radius-sm: 10px;
}

@media (prefers-color-scheme: light) {
  :root {
    --signup-card-bg: #ffffff;

    --signup-input-bg: #f4f1ec;
    --signup-input-border: rgba(0, 0, 0, 0.12);
    --signup-input-border-focus: color-mix(in oklab, var(--brand) 65%, transparent);
  }
}

/* ===== Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* ===== Helpers ===== */
.u-center { text-align: center; }

.signup-small {
  font-size: 0.875rem;
  color: var(--signup-muted);
}

.link {
  color: var(--signup-primary);
  text-decoration: none;
  font-weight: 600;
}
.link:hover { text-decoration: underline; }

/* ===== Layout ===== */
/* Wichtig: Mobile Overflow vermeiden.
   Padding etwas konservativer und Card nicht in vw definieren. */
.page {
  padding: clamp(12px, 3.2vw, 28px);
}

/* Auth-Seite zentriert, aber ohne seitliche Überbreite */
.page--auth {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding-inline: clamp(12px, 3.5vw, 24px);
}

/* Card robust: 100% innerhalb des padded Containers */
.card {
  width: 100%;
  max-width: 520px;

  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.02)
    ),
    var(--signup-card-bg);

  border: 1px solid var(--signup-card-border);
  border-radius: var(--signup-radius);
  box-shadow: var(--signup-shadow-md);
  overflow: hidden;
  backdrop-filter: blur(6px);

  /* Kritisch für Flex-/Grid-Kinder */
  min-width: 0;
}

.card__header {
  padding: 26px 26px 8px;
}

.card__title {
  margin: 0 0 6px;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
  color: var(--signup-text);
}

.card__subtitle {
  margin: 0;
  color: var(--signup-muted);
}

.card__body {
  padding: 22px 26px 26px;
  min-width: 0;
}

/* ===== Alerts ===== */
.alert {
  padding: 12px 14px;
  border-radius: var(--signup-radius-sm);
  margin-bottom: 16px;
  border: 1px solid var(--signup-card-border);
  background: var(--signup-input-bg);
  font-size: 0.95rem;
  color: var(--signup-text);
}

.alert--error {
  border-color: color-mix(in oklab, var(--signup-error) 65%, transparent);
  background: color-mix(in oklab, var(--signup-error) 12%, var(--bg) 88%);
  color: color-mix(in oklab, #fee2e2 82%, var(--signup-error) 18%);
}

@media (prefers-color-scheme: light) {
  .alert--error {
    background: color-mix(in oklab, #fee2e2 92%, #ffffff 8%);
    color: #7f1d1d;
  }
}

/* ===== Form ===== */
.form {
  display: grid;
  gap: 18px;

  /* verhindert seltene Grid-Overshoots */
  min-width: 0;
}

.form__row {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.form__label {
  font-size: 0.95rem;
  color: var(--signup-muted);
  font-weight: 600;
}

.form__hint {
  font-size: 0.85rem;
  color: var(--signup-muted);
  margin-top: 4px;

  /* Long text safe */
  overflow-wrap: anywhere;
}

.form__error {
  font-size: 0.85rem;
  color: var(--signup-error);
  margin-top: 6px;
  overflow-wrap: anywhere;
}

/* ===== Inputs ===== */
.input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--signup-input-border);
  background: var(--signup-input-bg);
  color: var(--signup-text);
  outline: none;

  transition:
    border-color 0.18s,
    box-shadow 0.18s,
    background 0.18s;

  min-width: 0;
}

.input:focus {
  border-color: var(--signup-input-border-focus);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--signup-primary) 20%, transparent);
}

.input.is-invalid {
  border-color: var(--signup-error);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--signup-error) 24%, transparent);
}

.input::placeholder { color: var(--signup-muted); }

/* ===== Input group (field + icon button) ===== */
.input-group {
  display: grid;
  grid-template-columns: 1fr 44px;
  align-items: stretch;

  border: 1px solid var(--signup-input-border);
  border-radius: 12px;
  background: var(--signup-input-bg);

  width: 100%;
  min-width: 0;
}

.input-group:focus-within {
  border-color: var(--signup-input-border-focus);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--signup-primary) 20%, transparent);
}

.input-group .input {
  border: 0;
  border-radius: 12px 0 0 12px;
  background: transparent;
  box-shadow: none;
  height: 100%;
}

.btn--icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 44px;
  min-width: 44px;
  height: 100%;

  border: 0;
  background: transparent;
  color: var(--signup-muted);

  cursor: pointer;
  border-left: 1px solid var(--signup-input-border);
  border-radius: 0 12px 12px 0;

  transition: background 0.15s ease, color 0.15s ease;
}

.btn--icon:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--signup-text);
}

/* ===== Password strength ===== */
.pwd-strength {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;

  min-width: 0;
}

.pwd-strength[aria-hidden="true"] { display: none; }

.pwd-strength .bar {
  flex: 1 1 0;
  min-width: 0;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--signup-border);
  transition: background 0.18s ease, border-color 0.18s ease;
}

.pwd-strength .bar.on:nth-child(1) {
  background: color-mix(in oklab, var(--signup-error) 70%, transparent);
  border-color: color-mix(in oklab, var(--signup-error) 55%, transparent);
}
.pwd-strength .bar.on:nth-child(2) {
  background: color-mix(in oklab, var(--signup-warn) 70%, transparent);
  border-color: color-mix(in oklab, var(--signup-warn) 55%, transparent);
}
.pwd-strength .bar.on:nth-child(3) {
  background: color-mix(in oklab, var(--signup-success) 70%, transparent);
  border-color: color-mix(in oklab, var(--signup-success) 55%, transparent);
}

.pwd-strength__label {
  color: var(--signup-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* ===== Buttons ===== */
/* Du nutzt global .btn aus layout.css.
   Nur Block-Utility ergänzen, falls nicht global vorhanden. */
.btn--block {
  width: 100%;
}

/* ===== Auth links ===== */
.auth-links {
  margin-top: 12px;
  text-align: center;
  color: var(--signup-muted);
  overflow-wrap: anywhere;
}

/* ================================
   AGB / Checkbox Section (robust)
   ================================ */
.form__row--checkbox {
  margin-top: 10px;
}

/* Flex overflow fix: min-width:0 und wrapping */
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;

  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--signup-text);

  min-width: 0;
}

.checkbox input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--signup-primary);
  transform: scale(1.15);
  cursor: pointer;

  flex: 0 0 auto;
}

/* Der Textblock ist der kritische Teil */
.checkbox__text {
  display: inline;
  min-width: 0;

  /* aggressive Wrap-Strategie für sehr schmale Screens */
  overflow-wrap: anywhere;
  word-break: normal;
}

/* Links dürfen nicht "starr" sein */
.link-agb {
  color: var(--signup-primary);
  font-weight: 600;
  text-decoration: underline;

  display: inline-flex;
  align-items: center;
  gap: 4px;

  max-width: 100%;
  flex-wrap: wrap;
}

.link-agb:hover {
  color: var(--signup-primary-600);
  text-decoration: none;
}

/* Fehlermeldung für AGB */
.agb-error {
  display: none;
  margin-top: 6px;
  color: var(--signup-error);
  font-size: 0.85rem;
  font-weight: 500;
  overflow-wrap: anywhere;
}

/* ===== Responsive ===== */
@media (max-width: 540px) {
  .card__body,
  .card__header {
    padding-left: 18px;
    padding-right: 18px;
  }

  .form { gap: 16px; }
}

@media (max-width: 380px) {
  /* genau dein Test-Viewport */
  .page--auth {
    padding-inline: 10px;
  }

  .card__header {
    padding: 22px 18px 8px;
  }
  .card__body {
    padding: 18px 18px 22px;
  }

  .pwd-strength__label {
    white-space: normal;
  }
}

@media (max-width: 360px) {
  .card__title { font-size: 1.35rem; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}