/* === Grundlayout & Farben === */
:root {
  --bg: #ffffff;
  --text: #111111;
  --border: #cccccc;
  --muted: #666666;
  --highlight: #f0f0f0;
}

body {
  font-family: 'Segoe UI', Roboto, Oxygen, 'Helvetica Neue', Arial, sans-serif;
  margin: 1rem auto;
  max-width: 900px;
  font-size: 1rem;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.2s, color 0.2s;
}

/* === Überschriften & Texte === */
h1, h2, h3 {
  text-align: center;
  margin: 1em 0 0.8em;
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: 1.8rem; }
h2 { font-size: 1.4rem; }
p { display: flex; justify-content: center; }

/* === Meldungen & Alerts === */
.alert {
  padding: 15px;
  border-radius: 4px;
  margin: 15px auto;
  max-width: 90%;
  border: 1px solid;
  font-weight: 500;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border-color: #c3e6cb;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border-color: #f5c6cb;
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
  border-color: #ffeaa7;
}

.alert-info {
  background-color: #d1ecf1;
  color: #0c5460;
  border-color: #bee5eb;
}

/* === Links === */
a {
  color: #0077cc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Modernisierte Navigation */
nav {
  display: flex;
  justify-content: center;
}

.main-nav {
  background-color: #f5f5f4;
  border-bottom: 1px solid #ddd;
  padding: 0.6em 0;
  margin-bottom: 1.5em;
}

.main-nav ul {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 600px;
  display: flex;
  justify-content: center;
  gap: 2em;
}

.main-nav li {
  margin: 0;
}

.main-nav a {
  color: #333;
  font-weight: 500;
  text-decoration: none;
  padding: 0.3em 0;
  position: relative;
  transition: color 0.2s;
}

.main-nav a:hover {
  color: #0077cc;
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background-color: #0077cc;
  border-radius: 1px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  .main-nav {
    background-color: #1a1a1a;
    border-bottom: 1px solid #333;
  }

  .main-nav a {
    color: #e0e0e0;
  }

  .main-nav a:hover {
    color: #4eaaff;
  }

  .main-nav a.active::after {
    background-color: #4eaaff;
  }
}

/* === Buttons === */
button {
  background-color: #002c4c;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.6em 1.2em;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s;
}
button:hover {
  background-color: #01416f;
}
button:disabled {
  background-color: #999;
  cursor: not-allowed;
}

/* === Formulare & Eingaben === */
input[type="text"],
input[type="number"],
input[type="email"],
input[list],
input[type="password"],
select {
  appearance: none;
  background-color: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4em 0.4em;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: auto;
}
select[name="to_person"], select[name="from_person"], input[name="payment_amount"] {
  width: 60px;
}
input:focus,
select:focus {
  outline: none;
  border-color: #0077cc;
  box-shadow: 0 0 0 3px rgba(0, 119, 204, 0.2);
}

/* Formularstruktur */
.form-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding: 1em;
  margin-bottom: 0.2em;
  background: var(--highlight);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.form-block .field {
  display: flex;
  flex-direction: column;
}
.form-block .field.fullwidth {
  grid-column: 1 / -1;
}
.form-block label {
  font-weight: 600;
  margin-bottom: 0.4em;
  display: block;
}
.form-block .actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.form-block button {
    padding: 0.5em 1em;
    font-size: 1em;
    border: none;
    border-radius: 4px;
    background: var(--primary, #007bff);
    color: white;
    cursor: pointer;
    align-self: start;
}
.form-block button + button {
    margin-left: 0.5em;
}
.form-block .actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-start;
    gap: 0.5em;
}

/* === Einkaufsliste === */
#shopping-list,
.shopping-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
#shopping-list li,
.shopping-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6em;
  flex-wrap: wrap;
  padding: 0.6em 0.4em;
  border-bottom: 1px solid var(--border);
}
#shopping-list li.checked,
.shopping-list li.checked {
  opacity: 0.6;
  color: var(--muted);
}
#shopping-list li.checked .item-name,
.shopping-list li.checked .item-name{
  text-decoration: line-through;
}

/* Inhalt links */
.list-item-content {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 0.6em;
  flex-wrap: wrap;
  min-width: 0;
}
.list-item-content .item-name {
  flex: 1;
  min-width: 100px;
}

/* Mengeingabe */
input.qty-input {
  padding: 0.4em;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: width 0.1s ease-in-out;
  /*min-width: 45px;
  max-width: 150px;*/
  width: 45px;
}

/* Buttons in Liste */
#shopping-list li button,
.shopping-list li button {
  font-size: 1rem;
  padding: 0.3em 0.6em;
  border-radius: 4px;
  background:/* #0000000a;*/ #ffffff0d; /*Dunkel bzw hell*/
  border: 1px solid var(--border);
  cursor: pointer;
}
#shopping-list li button:hover {
  background: #ddd;
}

/* Aktionen rechts */
.list-item-actions {
  display: flex;
  align-items: center;
  gap: 0.4em;
}

/* === Tabellen, Accordion etc. === */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1em;
  font-size: 0.95rem;
}
.data-table th,
.data-table td {
  border: 1px solid var(--border);
  padding: 0.6em;
  text-align: left;
}

.table-scroll-container {
  overflow-x: auto;
  max-width: 100%;
  width: 100%;
}

.table-scroll-container .data-table {
  min-width: 800px; /* oder breiter je nach Inhalt */
  border-collapse: collapse;
}

.undo-button {
    background: none;
    border: none;
    color: #000000;
    cursor: pointer;
    font-weight: bold;
}

.undo-placeholder {
    opacity: 0.7;
}

.input-mirror {
  position: absolute;
  top: -9999px;
  left: 0;
  white-space: pre;
  visibility: hidden;
  font: inherit;
  padding: 0;
  margin: 0;
}

.input-error {
  border: 1px solid red;
}

#cost-amount-preview .math-preview .split-amount-display {
  min-height: 1.2em;
  font-size: 0.9em;
  color: #666;
  margin-top: 0.2em;
  display: block;
  visibility: visible; /* Sicherstellen, dass es nicht versteckt ist */
}

.math-preview .split-amount-display:empty::after {
  content: '\00a0'; /* geschütztes Leerzeichen, damit Blockhöhe bleibt */
}

/* Für Desktop: Optimale Nutzung der Breite */
@media (min-width: 800px) {
  .data-table {
    table-layout: fixed;
    width: initial;
    min-width: unset;
    margin: auto;
  }
  .table-scroll-container {
    overflow-x: visible;
  }
}

.persistent-entry {
  gap: 0.4em;
  margin-bottom: 0.3em;
  align-items: center;
}
.persistent-entry input,
.persistent-entry select {
  flex: 1;
  font-size: 0.85rem;
  min-width: 0;
}
.persistent-entry button {
  padding: 0 0.5em;
}
.small-select {
  font-size: 0.85rem;
  padding: 0.2em 0.4em;
}

/* Transaktions-Liste */
.entry summary {
  padding: 0.6em;
  background: var(--highlight);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  /*justify-content: space-between;*/
  align-items: center;
}
.entry-body {
  padding: 0.8em;
  background: var(--bg);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
/* Neue Spalten-Logik */
.col-type {
  flex: 2 1 30%;
  min-width: 180px;
}
.col-amount {
  flex: 0 0 100px;
  text-align: right;
  font-weight: bold;
}
.col-meta {
  flex: 3 1 30%;
  min-width: 200px;
}
.timestamp {
  flex: 1 1 auto;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: right;
  min-width: 100px;
}

.entry-body-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding-top: 1rem;
}

.entry-info > div {
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.entry-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.split-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
  padding: 0;
  margin: 0.5rem 0;
  border: none;
}

.split-inputs label {
  display: flex;
  flex-direction: column;
}

.form-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Möglichkeit in Einheiten statt Prozent anzugeben*/
.split-mode-toggle {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.split-warning {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* Responsive Design für Mobilgeräte */
@media (max-width: 768px) {
  .entry-body-grid {
    grid-template-columns: 1fr;
  }

  .form-buttons {
    flex-direction: column;
  }
}

/* Filterbar */
#filter-bar {
  margin-bottom: 1em;
  display: flex;
  gap: 0.5em;
  flex-wrap: wrap;
}
#filter-bar button {
  padding: 0.3em 1em;
  font-size: 0.95rem;
  border-radius: 4px;
}

/*Kategorien*/
.category-block {
  padding: 1em 0;
  position: relative;
}
.category-heading {
  /*font-weight: lighter;
  font-size: 1.2rem;*/
  padding: 0.3em 1em;
  margin: 1em;
  border-radius: 0.5em;
  position: relative; /*Wenn das wegkommt, ist das Bild hinter dem gesamten Abschnitt zu sehenS*/
  z-index: 1;
  background-color: rgba(255, 255, 255, 0.7);
  overflow: hidden;
  color: black;
  text-shadow: 0 0 10px white;
  font-weight: 400;
}

/* Hintergrundbild als Pseudo-Element */
.category-heading::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.15;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 0.5em;
  filter: brightness(1.8); /*0.8 funktioniert gut*/
  mask-image: radial-gradient(circle, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
}

/* Kategoriebilder */
.category-block[data-category="Obst & Gemüse"] .category-heading::before {
  background-image: url('/images/bg-obst.webp');
}
.category-block[data-category="Getränke"] .category-heading::before {
  background-image: url('/images/bg-getraenke.webp');
}
.category-block[data-category="Trockenware"] .category-heading::before {
  background-image: url('/images/bg-trockenware.webp');
}
.category-block[data-category="Backwaren"] .category-heading::before {
  background-image: url('/images/bg-backwaren.webp');
}
.category-block[data-category="Süßwaren & Snacks"] .category-heading::before {
  background-image: url('/images/bg-suesses.webp');
}
.category-block[data-category="Tiefkühl"] .category-heading::before {
  background-image: url('/images/bg-tiefkuehl.webp');
}
.category-block[data-category="Kühltheke"] .category-heading::before {
  background-image: url('/images/bg-kuehltheke.webp');
}
.category-block[data-category="Haushalt & Pflege"] .category-heading::before {
  background-image: url('/images/bg-haushalt-und-pflege.webp');
}
.category-block[data-category="Fleisch & Fisch"] .category-heading::before {
  background-image: url('/images/bg-fleisch.webp');
}

.item-group {
  list-style: none;
  padding-left: 0;
  margin: 0 0 1em 0;
}

.picker-wrapper {
  margin-top: 0.4em;
  display: flex;
  gap: 0.5em;
  align-items: center;
  background: #f0f0f0;
  padding: 0.3em 0.6em;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.category-picker {
  font-size: 1rem;
  padding: 0.2em 0.4em;
}

.confirm-picker {
  font-size: 1.2rem;
  cursor: pointer;
  background: transparent;
  border: none;
}

/*Einstellungen verschönern*/
.shopping-list-item {
    display: flex;
    margin-bottom: 0.5em;
}
.shopping-list-item input {
    flex: 1;
    margin-right: 0.5em;
}
#category-order-list {
    list-style: none;
    padding: 0;
}
#category-order-list li {
    margin: 4px 0;
    padding: 6px 8px;
    background: #f4f4f4;
    border: 1px solid #ccc;
    cursor: move;
    display: flex;
    align-items: center;
}
#category-order-list .handle {
    margin-right: 8px;
}

.person-entry {
    display: flex;
    align-items: center;
    gap: 0.5em;
    margin-bottom: 0.5em;
}

.person-entry input[type="text"] {
    flex: 1;
}

/*Tooltip*/
.tooltip-wrapper {
    position: relative;
    display: inline-block;
}

.custom-tooltip {
    visibility: hidden;
    background-color: #222;
    color: #fff;
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    white-space: nowrap;
    position: absolute;
    bottom: 125%; /* über dem Link */
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1000;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.tooltip-wrapper:hover .custom-tooltip {
    visibility: visible;
    opacity: 1;
}

.tooltip-wrapper .abbr {
    display: inline-block;
    max-width: 12rem;          /* gleiche Breite für alle Einträge */
    overflow: hidden;
    text-overflow: ellipsis;   /* ›…‹ automatisch, falls Kürzung nötig */
    white-space: nowrap;
    vertical-align: bottom;    /* saubere Grundlinie */
}

/*Sub Nav*/
.sub-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.5em;
  padding: 0;
  margin-bottom: 1em;
  list-style: none;
}

.sub-nav a {
  display: block;
  text-decoration: none;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text);
}

.sub-nav a.active {
  background: var(--bg);
  font-weight: bold;
  border-color: #0077cc;
}

/* Ab Tablet horizontal nebeneinander */
@media (min-width: 600px) {
  .sub-nav ul {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

/*Geld-Überblick*/
/* === Sections (übersichtlich, modern) === */
.section-block {
  border: 1px solid var(--border);
  border-radius: 6px;
  background-color: var(--bg);
  color: var(--text);
  padding: 1rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* Aufklappbare Bereiche */
details.section-block summary {
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  margin-bottom: 0.5em;
  list-style: none;
}
details.section-block[open] summary::after {
  content: " ▼";
  float: right;
  color: var(--muted);
}
details.section-block:not([open]) summary::after {
  content: " ▶";
  float: right;
  color: var(--muted);
}
details.section-block summary h2 {
  margin: 0;
  display: inline;
}

/* Tabs */
.tab-container {
  display: flex;
  gap: 0.5em;
  margin-bottom: 1em;
}
.tab {
  padding: 0.4em 1em;
  border: 1px solid var(--border);
  background: var(--highlight);
  color: var(--text);
  cursor: pointer;
  border-radius: 4px;
  font-size: 0.95rem;
}
.tab.active {
  background: #0077cc;
  color: white;
  font-weight: bold;
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

.form-block .field {
  margin-bottom: 1em;
}

.form-block .field label {
  font-weight: bold;
  margin-bottom: 0.3em;
  display: block;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5em 1em;
}

.split-entry label {
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.2em;
}

.split-entry input {
  width: 100%;
}

/*Admin-Nav*/
.admin-bar {
  display: flex;
  justify-content: center;
}

/*FOOTER*/
.footer {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #f0f0f0;
    border-top: 1px solid #ccc;
    font-size: 0.9rem;
    text-align: center;
    color: #333;
}

.footer-user a {
    margin: 0 0.5rem;
    text-decoration: none;
    color: #0077cc;
}

.footer-user a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .footer-user {
        display: flex;
        justify-content: center;
        gap: 0.3rem;
    }

    .footer-user a {
        margin: 0;
    }
}

/*Nav-Überarbeitung*/
nav.main-nav .nav-container {
  display: flex;
  align-items: center;
  justify-content: center; /* zentriert das Menü */
  gap: 2rem;
  position: relative;
  padding: 0.5rem 1rem;
}

/* Gruppenauswahl links, positioniert absolut */
nav.main-nav .group-select {
  position: relative;
  left: 1rem;
}

/* Menü mittig */
nav.main-nav .nav-menu {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav.main-nav .nav-menu li a {
  text-decoration: none;
  color: inherit;
}

/* Optional: rechter Bereich (leer), falls du Symmetrie möchtest */
nav.main-nav .nav-spacer {
  position: absolute;
  right: 1rem;
  width: 100px; /* gleiche Breite wie group-select, falls gewünscht */
  height: 1px; /* unsichtbar */
}
@media (max-width: 768px) {
  nav.main-nav .nav-container {
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    position: static;
    display: unset;
  }
  nav.main-nav .group-select {
    position: unset;
    width: 100%;
    display: flex;
    flex-direction: row-reverse;
  }
  nav.main-nav .nav-menu {
    justify-content: space-around;
    flex-wrap: wrap;
  }
  nav.main-nav .nav-spacer {
    display: none;
  }
}


/*Dark-Mode*/

/* Dark Mode Button Anpassungen */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1a;
    --text: #eeeeee;
    --border: #444444;
    --muted: #aaaaaa;
    --highlight: #2a2a2a;
  }
  button {
    background-color: #333;
    color: #eee;
  }
  button:hover {
    background-color: #444;
  }
  .data-table th,
  .data-table td {
    border-color: #555;
  }

  .category-heading {
    color: black;
  }
  .undo-button {
      color: #ffffff;
  }
}

/* === Responsive === */
@media screen and (max-width: 480px) {
  h1 { font-size: 1.4rem; }
  .data-table th, .data-table td {
    font-size: 0.9rem;
    padding: 0.4em;
  }
  nav {
    width: 100%;
    font-size: 1.2em;
  }
}