:root {
  color-scheme: light dark;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --page-pad: 16px;
  --content-max: 760px;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-pill: 999px;
  --control-h: 48px;

  --color-bg: #f7f5f0;
  --color-surface: #ffffff;
  --color-surface-2: #f1eee7;
  --color-text: #1c1f24;
  --color-text-muted: #5b6470;
  --color-border: #e2ddd3;
  --color-border-strong: #7d8590;
  --color-primary: #c2410c;
  --color-primary-hover: #9a3412;
  --color-primary-soft: #fff1e6;
  --color-on-primary: #ffffff;
  --color-link: #9a3412;
  --color-focus: #2563eb;
  --color-danger: #b42318;
  --color-danger-bg: #fef3f2;
  --color-danger-border: #fda29b;
  --color-success: #067647;
  --color-success-bg: #ecfdf3;
  --color-success-border: #abefc6;
  --color-info-bg: #fff7ed;
  --color-info-border: #fed7aa;

  --shadow-sm: 0 1px 2px rgba(28, 31, 36, .06);
  --shadow: 0 1px 2px rgba(28, 31, 36, .06), 0 10px 30px -10px rgba(28, 31, 36, .18);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #121417;
    --color-surface: #1c1f24;
    --color-surface-2: #252930;
    --color-text: #e8e6e1;
    --color-text-muted: #a3a9b3;
    --color-border: #2f343c;
    --color-border-strong: #6b7280;
    --color-primary: #fb923c;
    --color-primary-hover: #fdba74;
    --color-primary-soft: #3a2314;
    --color-on-primary: #1c1207;
    --color-link: #fdba74;
    --color-focus: #93c5fd;
    --color-danger: #fda29b;
    --color-danger-bg: #2a1614;
    --color-danger-border: #7a271a;
    --color-success: #75e0a7;
    --color-success-bg: #10281b;
    --color-success-border: #1f5a3a;
    --color-info-bg: #2a1d10;
    --color-info-border: #7c3d0c;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -10px rgba(0, 0, 0, .6);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
p,
dl,
ol,
ul {
  margin: 0;
}

h2 {
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.125rem;
  line-height: 1.3;
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.95em;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ==== Layout ==== */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.brand__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-link);
}

.brand__title {
  font-size: 1.125rem;
  font-weight: 700;
}

.page {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-block: var(--space-5) var(--space-7);
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 10;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ==== Komponenten ==== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(20px, 4vw, 32px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--control-h);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn--secondary:hover {
  background: var(--color-surface-2);
}

.btn--danger {
  background: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger-border);
}

.btn--danger:hover {
  background: var(--color-danger-bg);
}

.btn--sm {
  min-height: 36px;
  padding: var(--space-1) var(--space-4);
  font-size: 0.9rem;
}

.btn--lg {
  min-height: 56px;
  font-size: 1.125rem;
}

.btn--block {
  width: 100%;
}

.link-btn {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: var(--color-link);
  text-decoration: underline;
  cursor: pointer;
  border-radius: 4px;
}

.badge {
  display: inline-block;
  padding: 2px var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-link);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hint {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.lead {
  font-size: 1.0625rem;
}

.alert {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
}

.alert--danger {
  background: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
}

.alert__title {
  font-weight: 700;
}

.alert__list {
  margin-top: var(--space-2);
  padding-left: var(--space-5);
}

.callout {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-info-border);
  background: var(--color-info-bg);
}

.callout__icon {
  flex: none;
  color: var(--color-link);
  margin-top: 2px;
}

.callout__title {
  font-weight: 700;
}

/* Formulare */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
}

.field__label {
  font-weight: 600;
}

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

.field__opt {
  color: var(--color-text-muted);
  font-weight: 400;
}

.field__count {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.field__error {
  color: var(--color-danger);
  font-size: 0.9rem;
  font-weight: 600;
}

.input {
  width: 100%;
  min-height: var(--control-h);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  line-height: 1.4;
}

textarea.input {
  resize: vertical;
  min-height: 120px;
}

.input:hover {
  border-color: var(--color-text-muted);
}

.input:focus-visible {
  border-color: var(--color-focus);
  outline-offset: 0;
}

.form__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  padding-top: var(--space-2);
}

.form__note {
  text-align: center;
}

/* Betrag: Eingabe mit Euro-Suffix und Schnellwahl-Chips */
.input-affix {
  position: relative;
}

.input-affix .input {
  padding-right: 44px;
}

.input-affix__unit {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-weight: 600;
  pointer-events: none;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

html:not(.js) .chips {
  display: none;
}

.chip {
  min-height: 40px;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.chip:hover {
  background: var(--color-surface-2);
}

.chip.is-active {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-link);
}

/* Dropzone */
.dropzone {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  padding: var(--space-4);
}

.dropzone:focus-within {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.dropzone.is-dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.dropzone.has-error {
  border-color: var(--color-danger);
}

.dropzone input[type="file"] {
  width: 100%;
  font: inherit;
  color: var(--color-text);
}

html:not(.js) .dropzone__body {
  display: none;
}

.js .dropzone input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.dropzone__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  text-align: center;
}

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

.dropzone__preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.dropzone__img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.dropzone__filename {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: center;
  word-break: break-word;
}

.hp {
  position: absolute;
  left: -9999px;
}

/* Key-Value-Listen (Beitragsseite) */
.kv {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.kv__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
}

.kv dt {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kv dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
}

.kv__value {
  word-break: break-word;
  overflow-wrap: anywhere;
  font-weight: 600;
}

.copy.is-copied {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

.copy.is-failed {
  background: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
}

/* QR */
.qr-box {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  max-width: 304px;
  margin: var(--space-4) auto;
}

.qr svg {
  width: 100%;
  height: auto;
}

.qr svg path {
  fill: #000;
}

/* ==== Seiten ==== */
.hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero__lead {
  font-size: 1.0625rem;
}

.steps {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.steps__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.steps__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 700;
  font-size: 0.9rem;
}

.thanks {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.thanks h2 {
  overflow-wrap: anywhere;
}

.thanks__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-success-bg);
  color: var(--color-success);
}

.amount {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-link);
}

.amount__value {
  font-size: 1.25rem;
  font-weight: 700;
}

.pay-options {
  display: grid;
  gap: var(--space-5);
  align-items: start;
}

.pay-option {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 0;
}

.pay-option__title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.pay-option .kv {
  margin-top: 0;
}

.pay-option .hint {
  overflow-wrap: anywhere;
}

.photo-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.photo-card__img {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.page-actions {
  display: flex;
  justify-content: center;
}

.page-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-head__meta {
  margin-top: var(--space-2);
}

.empty {
  text-align: center;
}

.empty__title {
  font-weight: 700;
  font-size: 1.125rem;
}

.grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.entry {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.entry__media {
  aspect-ratio: 4 / 3;
  background: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.entry__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.entry__placeholder {
  color: var(--color-text-muted);
  font-weight: 600;
}

.entry__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  flex: 1;
}

.entry__name {
  overflow-wrap: anywhere;
}

.entry__meta {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.entry__amount {
  font-weight: 700;
  color: var(--color-link);
}

.entry__actions {
  padding: 0 var(--space-4) var(--space-4);
  display: flex;
  justify-content: flex-end;
}

.wish {
  white-space: pre-wrap;
  word-break: break-word;
}

.error-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.error-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

/* ==== Utilities ==== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Erzwingt das Verstecken per hidden-Attribut, da die Autoren-Regeln auf
   .dropzone__preview, .dropzone__placeholder und img sonst das UA-Stylesheet schlagen. */
[hidden] {
  display: none !important;
}

/* ==== Media Queries ==== */
@media (min-width: 560px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-head {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 720px) {
  .pay-options {
    grid-template-columns: 1fr 1fr;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .btn,
  .input,
  .dropzone,
  .chip,
  .copy {
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
  }
}