/* ============================================================
   PiepeKalender
   Grunddesign
   ============================================================ */


/* ============================================================
   1. DESIGN-VARIABLEN
   ============================================================ */

:root {
  --color-primary: #ee7260;
  --color-primary-dark: #d85e4f;
  --color-secondary: #596877;

  --color-background: #f5f6f7;
  --color-surface: #ffffff;
  --color-surface-soft: #f0f2f3;

  --color-text: #25303a;
  --color-text-soft: #66727d;
  --color-border: #dfe4e7;

  --color-danger: #c94c4c;
  --color-danger-soft: #fceaea;

  --color-success: #4f8b65;
  --color-success-soft: #eaf5ee;

  --shadow-soft:
    0 8px 24px rgba(20, 32, 45, 0.08);

  --shadow-panel:
    0 18px 45px rgba(20, 32, 45, 0.18);

  --radius-small: 8px;
  --radius-medium: 14px;
  --radius-large: 20px;

  --header-height: 82px;

  --transition-fast: 150ms ease;
  --transition-normal: 220ms ease;
}


/* ============================================================
   2. RESET / BASIS
   ============================================================ */

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


html {
  min-height: 100%;
  background: var(--color-background);
}


body {
  margin: 0;
  min-height: 100vh;

  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  color: var(--color-text);
  background: var(--color-background);

  line-height: 1.45;
}


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


button {
  cursor: pointer;
}


button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}


input,
select,
textarea {
  width: 100%;
}


textarea {
  resize: vertical;
}


[hidden] {
  display: none !important;
}


/* ============================================================
   3. APP-SHELL
   ============================================================ */

.app-shell {
  min-height: 100vh;
}


/* ============================================================
   4. KOPFBEREICH
   ============================================================ */

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;

  min-height: var(--header-height);

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;

  padding:
    max(14px, env(safe-area-inset-top))
    28px
    14px;

  background:
    rgba(255, 255, 255, 0.96);

  border-bottom:
    1px solid var(--color-border);

  backdrop-filter: blur(10px);
}


.app-header__brand {
  display: flex;
  align-items: center;
  gap: 14px;

  min-width: 0;
}


.app-logo {
  width: 48px;
  height: 48px;

  flex: 0 0 auto;

  display: grid;
  place-items: center;

  border-radius: 14px;

  background: var(--color-primary);
  color: #ffffff;

  font-size: 1.4rem;
  font-weight: 800;

  box-shadow:
    0 6px 16px rgba(238, 114, 96, 0.28);
}


.app-header__titles {
  min-width: 0;
}


.app-header__titles h1 {
  margin: 0;

  font-size: 1.35rem;
  line-height: 1.15;

  color: var(--color-secondary);
}


.app-header__titles p {
  margin: 4px 0 0;

  font-size: 0.9rem;
  color: var(--color-text-soft);
}


.app-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}


.current-user {
  display: flex;
  flex-direction: column;
  align-items: flex-end;

  line-height: 1.2;
}


.current-user__name {
  font-weight: 700;
}


.current-user__role {
  margin-top: 3px;

  font-size: 0.78rem;
  color: var(--color-text-soft);
}


/* ============================================================
   5. BUTTONS
   ============================================================ */

.button,
.icon-button {
  border: 0;
  outline: none;

  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}


.button {
  min-height: 42px;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  padding: 9px 16px;

  border-radius: 10px;

  font-weight: 700;
}


.button:hover:not(:disabled) {
  transform: translateY(-1px);
}


.button:active:not(:disabled) {
  transform: translateY(0);
}


.button--primary {
  background: var(--color-primary);
  color: #ffffff;
}


.button--primary:hover:not(:disabled) {
  background: var(--color-primary-dark);

  box-shadow:
    0 6px 16px rgba(238, 114, 96, 0.24);
}


.button--secondary {
  background: var(--color-surface-soft);
  color: var(--color-secondary);

  border:
    1px solid var(--color-border);
}


.button--secondary:hover:not(:disabled) {
  background: #e7ebed;
}


.button--danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);

  border:
    1px solid #efcaca;
}


.button--danger:hover:not(:disabled) {
  background: #f7dddd;
}


.button--full {
  width: 100%;
}


.icon-button {
  width: 42px;
  height: 42px;

  display: inline-grid;
  place-items: center;

  padding: 0;

  border-radius: 10px;

  background: var(--color-surface-soft);
  color: var(--color-secondary);

  border:
    1px solid var(--color-border);

  font-size: 1.6rem;
  line-height: 1;
}


.icon-button:hover:not(:disabled) {
  background: #e7ebed;
}


/* ============================================================
   6. FOKUS / BARRIEREARMUT
   ============================================================ */

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline:
    3px solid rgba(238, 114, 96, 0.28);

  outline-offset: 2px;
}


/* ============================================================
   7. LOGIN
   ============================================================ */

.login-view {
  min-height:
    calc(100vh - var(--header-height));

  display: grid;
  place-items: center;

  padding: 40px 20px;
}


.login-card {
  width: min(100%, 420px);

  padding: 32px;

  border-radius: var(--radius-large);

  background: var(--color-surface);

  border:
    1px solid var(--color-border);

  box-shadow: var(--shadow-soft);
}


.login-card__header {
  text-align: center;

  margin-bottom: 26px;
}


.login-card__icon {
  width: 58px;
  height: 58px;

  margin: 0 auto 16px;

  display: grid;
  place-items: center;

  border-radius: 18px;

  background:
    rgba(238, 114, 96, 0.12);

  color: var(--color-primary);

  font-size: 1.55rem;
}


.login-card__header h2 {
  margin: 0;

  font-size: 1.5rem;
}


.login-card__header p {
  margin: 8px 0 0;

  color: var(--color-text-soft);
}


.login-form {
  display: grid;
  gap: 18px;
}


/* ============================================================
   8. FORMULARE
   ============================================================ */

.form-field {
  display: grid;
  gap: 7px;
}


.form-field label {
  font-size: 0.9rem;
  font-weight: 700;

  color: var(--color-secondary);
}


.form-label-optional {
  margin-left: 5px;

  font-size: 0.76rem;
  font-weight: 500;

  color: var(--color-text-soft);
}


input,
select,
textarea {
  min-height: 44px;

  padding: 10px 12px;

  border-radius: 10px;

  border:
    1px solid var(--color-border);

  background: var(--color-surface);

  color: var(--color-text);

  outline: none;

  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}


textarea {
  min-height: 110px;
}


input:hover,
select:hover,
textarea:hover {
  border-color: #c7cfd4;
}


input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);

  box-shadow:
    0 0 0 3px rgba(238, 114, 96, 0.12);
}


.form-grid {
  display: grid;
  gap: 16px;
}


.form-grid--two {
  grid-template-columns:
    repeat(2, minmax(0, 1fr));
}


.form-message {
  padding: 11px 12px;

  border-radius: 9px;

  font-size: 0.9rem;
}


.form-message--error {
  background: var(--color-danger-soft);
  color: var(--color-danger);

  border:
    1px solid #efcaca;
}


/* ============================================================
   9. KALENDER-HAUPTANSICHT
   ============================================================ */

.calendar-view {
  width: min(100%, 1720px);

  margin: 0 auto;

  padding:
    28px
    28px
    56px;
}


/* ============================================================
   10. TOOLBAR
   ============================================================ */

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;

  margin-bottom: 20px;
}


.year-navigation {
  display: flex;
  align-items: center;
  gap: 10px;
}


.year-navigation__current {
  min-width: 132px;

  text-align: center;
}


.year-navigation__label {
  display: block;

  font-size: 0.75rem;
  color: var(--color-text-soft);

  text-transform: uppercase;
  letter-spacing: 0.05em;
}


.year-navigation__current strong {
  display: block;

  margin-top: 1px;

  font-size: 1.75rem;
  line-height: 1.1;

  color: var(--color-secondary);
}


.calendar-toolbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}


/* ============================================================
   11. LEGENDE
   ============================================================ */

.calendar-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;

  min-height: 44px;

  margin-bottom: 18px;
}


.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;

  padding: 6px 10px;

  border-radius: 999px;

  background: var(--color-surface);

  border:
    1px solid var(--color-border);

  font-size: 0.8rem;

  color: var(--color-secondary);
}


.legend-item__color {
  width: 10px;
  height: 10px;

  border-radius: 50%;
}


/* ============================================================
   12. KALENDER-MELDUNGEN
   ============================================================ */

.calendar-message {
  margin-bottom: 18px;

  padding: 12px 14px;

  border-radius: 10px;

  background: var(--color-surface);

  border:
    1px solid var(--color-border);

  color: var(--color-text-soft);
}


/* ============================================================
   13. ABSCHNITTSÜBERSCHRIFT
   ============================================================ */

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;

  margin-bottom: 16px;
}


.section-heading h2 {
  margin: 0;

  font-size: 1.2rem;
}


.section-heading p {
  margin: 4px 0 0;

  color: var(--color-text-soft);

  font-size: 0.9rem;
}


/* ============================================================
   14. JAHRESKALENDER
   ============================================================ */

.year-calendar {
  display: grid;

  grid-template-columns:
    repeat(4, minmax(0, 1fr));

  gap: 16px;
}


/* ============================================================
   15. MONATSKARTE
   ============================================================ */

.month-card {
  min-width: 0;

  background: var(--color-surface);

  border:
    1px solid var(--color-border);

  border-radius: var(--radius-medium);

  overflow: hidden;

  box-shadow:
    0 3px 10px rgba(20, 32, 45, 0.04);
}


.month-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 12px 14px;

  background:
    linear-gradient(
      135deg,
      rgba(89, 104, 119, 0.08),
      rgba(238, 114, 96, 0.05)
    );

  border-bottom:
    1px solid var(--color-border);
}


.month-card__title {
  margin: 0;

  font-size: 0.98rem;
  font-weight: 800;

  color: var(--color-secondary);
}


.month-card__year {
  font-size: 0.75rem;
  color: var(--color-text-soft);
}


/* ============================================================
   16. MONATSRASTER
   ============================================================ */

.month-grid {
  display: grid;

  grid-template-columns:
    28px repeat(7, minmax(0, 1fr));
}


.month-grid__weekday,
.month-grid__week-number,
.month-grid__day {
  min-height: 32px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-right:
    1px solid #edf0f2;

  border-bottom:
    1px solid #edf0f2;

  font-size: 0.75rem;
}


.month-grid__weekday {
  min-height: 30px;

  background: #fafbfb;

  color: var(--color-text-soft);

  font-weight: 700;
}


.month-grid__weekday--week {
  color: #9aa4ac;
}


.month-grid__week-number {
  background: #fafbfb;

  color: #9aa4ac;

  font-size: 0.68rem;
}


.month-grid__day {
  position: relative;

  padding: 2px;

  background: #ffffff;

  color: var(--color-text);

  user-select: none;

  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);
}


.month-grid__day:hover {
  z-index: 1;

  background: #f6f8f9;

  box-shadow:
    inset 0 0 0 1px var(--color-primary);
}


.month-grid__day--empty {
  background: #fafbfb;
  color: transparent;
}


.month-grid__day--weekend {
  background:
    rgba(89, 104, 119, 0.055);
}


.month-grid__day--today {
  font-weight: 800;

  color: var(--color-primary);
}


.month-grid__day--today::after {
  content: "";

  position: absolute;
  bottom: 3px;
  left: 50%;

  width: 4px;
  height: 4px;

  transform: translateX(-50%);

  border-radius: 50%;

  background: var(--color-primary);
}


/* ============================================================
   17. KALENDEREINTRÄGE IM TAGESFELD
   ============================================================ */

.day-events {
  position: absolute;
  inset:
    auto
    2px
    2px
    2px;

  display: flex;
  gap: 2px;

  pointer-events: none;
}


.day-event-marker {
  height: 3px;

  flex: 1 1 auto;

  min-width: 3px;

  border-radius: 999px;
}


/* ============================================================
   18. SEITENPANEL
   ============================================================ */

.panel-backdrop {
  position: fixed;
  inset: 0;

  z-index: 80;

  background:
    rgba(25, 34, 43, 0.30);

  backdrop-filter:
    blur(2px);
}


.event-panel {
  position: fixed;

  top: 0;
  right: 0;
  bottom: 0;

  z-index: 90;

  width: min(460px, 100%);

  display: flex;
  flex-direction: column;

  background: var(--color-surface);

  box-shadow: var(--shadow-panel);

  transform: translateX(100%);

  transition:
    transform var(--transition-normal);
}


.event-panel[data-open="true"] {
  transform: translateX(0);
}


.event-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;

  padding:
    max(22px, env(safe-area-inset-top))
    22px
    18px;

  border-bottom:
    1px solid var(--color-border);
}


.event-panel__eyebrow {
  display: block;

  margin-bottom: 3px;

  font-size: 0.72rem;
  font-weight: 700;

  text-transform: uppercase;
  letter-spacing: 0.06em;

  color: var(--color-primary);
}


.event-panel__header h2 {
  margin: 0;

  font-size: 1.25rem;
}


.event-form {
  flex: 1 1 auto;

  overflow-y: auto;

  display: grid;
  align-content: start;
  gap: 18px;

  padding:
    22px
    22px
    max(22px, env(safe-area-inset-bottom));
}


.event-form__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;

  margin-top: 6px;
}


.event-form__actions-right {
  display: flex;
  align-items: center;
  gap: 10px;

  margin-left: auto;
}


/* ============================================================
   19. LADEANZEIGE
   ============================================================ */

.loading-overlay {
  position: fixed;
  inset: 0;

  z-index: 120;

  display: grid;
  place-items: center;

  background:
    rgba(245, 246, 247, 0.74);

  backdrop-filter:
    blur(3px);
}


.loading-indicator {
  display: flex;
  align-items: center;
  gap: 12px;

  padding: 16px 20px;

  border-radius: 14px;

  background: var(--color-surface);

  border:
    1px solid var(--color-border);

  box-shadow: var(--shadow-soft);

  color: var(--color-secondary);

  font-weight: 700;
}


.loading-indicator__spinner {
  width: 24px;
  height: 24px;

  border:
    3px solid var(--color-border);

  border-top-color:
    var(--color-primary);

  border-radius: 50%;

  animation:
    piepe-spinner 0.75s linear infinite;
}


@keyframes piepe-spinner {
  to {
    transform: rotate(360deg);
  }
}


/* ============================================================
   20. TABLET
   ============================================================ */

@media (max-width: 1180px) {

  .year-calendar {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

}


/* ============================================================
   21. KLEINE TABLETS
   ============================================================ */

@media (max-width: 760px) {

  :root {
    --header-height: auto;
  }


  .app-header {
    position: relative;

    align-items: flex-start;

    padding:
      max(14px, env(safe-area-inset-top))
      16px
      14px;
  }


  .app-header__titles p {
    display: none;
  }


  .current-user {
    display: none;
  }


  .calendar-view {
    padding:
      20px
      16px
      42px;
  }


  .calendar-toolbar {
    align-items: stretch;
    flex-direction: column;
  }


  .calendar-toolbar__actions {
    width: 100%;
  }


  .calendar-toolbar__actions .button {
    flex: 1 1 auto;
  }


  .year-navigation {
    justify-content: space-between;
  }


  .year-navigation__current {
    flex: 1 1 auto;
  }


  .year-calendar {
    grid-template-columns:
      1fr;
  }


  .month-grid__day,
  .month-grid__week-number {
    min-height: 38px;
  }


  .form-grid--two {
    grid-template-columns:
      1fr;
  }

}


/* ============================================================
   22. SMARTPHONE
   ============================================================ */

@media (max-width: 520px) {

  .app-logo {
    width: 42px;
    height: 42px;

    border-radius: 12px;
  }


  .app-header__titles h1 {
    font-size: 1.15rem;
  }


  .app-header__actions {
    gap: 6px;
  }


  .app-header__actions .button {
    padding-left: 11px;
    padding-right: 11px;
  }


  .login-view {
    padding:
      24px
      14px;
  }


  .login-card {
    padding: 24px 20px;
  }


  .calendar-view {
    padding:
      16px
      10px
      36px;
  }


  .calendar-toolbar {
    margin-bottom: 16px;
  }


  .calendar-toolbar__actions {
    flex-direction: column;
  }


  .calendar-toolbar__actions .button {
    width: 100%;
  }


  .section-heading {
    margin-bottom: 12px;
  }


  .section-heading p {
    font-size: 0.82rem;
  }


  .year-calendar {
    gap: 12px;
  }


  .month-card {
    border-radius: 12px;
  }


  .month-card__header {
    padding: 11px 12px;
  }


  .month-grid {
    grid-template-columns:
      26px repeat(7, minmax(0, 1fr));
  }


  .month-grid__weekday,
  .month-grid__week-number,
  .month-grid__day {
    font-size: 0.7rem;
  }


  .month-grid__day,
  .month-grid__week-number {
    min-height: 36px;
  }


  .event-panel {
    width: 100%;
  }


  .event-panel__header {
    padding-left: 16px;
    padding-right: 16px;
  }


  .event-form {
    padding-left: 16px;
    padding-right: 16px;
  }


  .event-form__actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }


  .event-form__actions-right {
    width: 100%;
    margin-left: 0;
  }


  .event-form__actions-right .button {
    flex: 1 1 auto;
  }


  .event-form__actions > .button {
    width: 100%;
  }

}


/* ============================================================
   23. REDUZIERTE BEWEGUNG
   ============================================================ */

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;

    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;

    transition-duration: 0.001ms !important;
  }

}