/* ============================================================
   Haushaltsbuch – Design System
   Mobile-first: primär am Handy genutzt (Belegfoto unterwegs),
   Desktop muss ebenfalls vollständig funktionieren.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- Custom Properties ------------------------------------ */
:root {
  --bg:          #0f1512;
  --bg-2:        #161f1a;
  --bg-3:        #1d2a22;
  --bg-4:        #24352a;
  --border:      #2a3d31;
  --border-2:    #37503f;
  --text:        #e9f2ec;
  --text-2:      #9cb3a5;
  --text-3:      #6c8577;
  --accent:      #22c58e;
  --accent-h:    #3ddba3;
  --accent-dim:  rgba(34,197,142,.15);
  --accent-ink:  #06231a; /* Textfarbe auf Akzentfarbe – je Farbschema überschrieben, siehe lib/Theme.php */
  --income:      #22c58e;
  --income-dim:  rgba(34,197,142,.15);
  --expense:     #f87171;
  --expense-dim: rgba(248,113,113,.15);
  --success:     #34d399;
  --success-dim: rgba(52,211,153,.15);
  --warn:        #fbbf24;
  --warn-dim:    rgba(251,191,36,.15);
  --danger:      #f87171;
  --danger-dim:  rgba(248,113,113,.15);

  --font:    'Instrument Sans', system-ui, sans-serif;
  --mono:    'JetBrains Mono', 'Courier New', monospace;
  --fs-xs:   0.72rem;
  --fs-sm:   0.82rem;
  --fs-base: 0.9rem;
  --fs-md:   1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.35rem;
  --fs-2xl:  1.7rem;

  --r:    6px;
  --r-lg: 12px;

  --shadow:    0 2px 12px rgba(0,0,0,.45);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.65);

  --t:   0.18s ease;
  --t-m: 0.28s cubic-bezier(.4,0,.2,1);

  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ---- Reset & Base ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: var(--fs-base);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--accent-h); }
code, kbd, .mono { font-family: var(--mono); font-size: 0.88em; }
button { font-family: inherit; }

/* ---- Layout ------------------------------------------------ */
.app-layout {
  display: grid;
  /* minmax(0, 1fr) statt bloßem 1fr: eine Grid-Spur mit "1fr" allein wächst sonst auf die
     Mindestbreite ihres Inhalts (z. B. nicht umbrechender Flex-Inhalt im Topbar) und
     sprengt damit die ganze Seite in die Breite. */
  grid-template-columns: 220px minmax(0, 1fr);
  grid-template-rows: 56px 1fr;
  grid-template-areas: "nav header" "nav main";
  min-height: 100vh;
}

.topbar {
  grid-area: header;
  min-width: 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: var(--safe-top) 20px 0;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 100;
  height: calc(56px + var(--safe-top));
}
.topbar__spacer { flex: 1; }

.hh-switcher {
  position: relative;
}
.hh-switcher__btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--r); padding: 7px 12px;
  color: var(--text); font-size: var(--fs-sm); font-weight: 600;
  cursor: pointer; max-width: 220px;
}
.hh-switcher__btn:hover { border-color: var(--border-2); }
.hh-switcher__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hh-switcher__menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r);
  box-shadow: var(--shadow-lg); padding: 6px; z-index: 200; display: none;
}
.hh-switcher__menu.is-open { display: block; }
.hh-switcher__item {
  display: block; padding: 8px 10px; border-radius: var(--r);
  font-size: var(--fs-sm); color: var(--text-2); cursor: pointer;
}
.hh-switcher__item:hover { background: var(--bg-3); color: var(--text); }
.hh-switcher__item.active { color: var(--accent); font-weight: 600; }
.hh-switcher__sep { height: 1px; background: var(--border); margin: 6px 0; }

.topbar__user {
  display: flex; align-items: center; gap: 10px;
  font-size: var(--fs-sm); color: var(--text-2);
  position: relative; cursor: pointer;
  border-radius: var(--r); padding: 4px 8px; margin: -4px -8px;
  transition: background var(--t);
}
.topbar__user:hover { background: var(--bg-3); }
.topbar__dropdown {
  position: absolute; top: 100%; right: 0; margin-top: 6px;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r);
  box-shadow: var(--shadow-lg); padding: 6px; min-width: 190px; z-index: 200; display: none;
}
.topbar__user:hover .topbar__dropdown,
.topbar__user:focus-within .topbar__dropdown { display: block; }
.topbar__dropdown-item {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  border-radius: var(--r); font-size: var(--fs-sm); color: var(--text-2);
}
.topbar__dropdown-item:hover { background: var(--bg-3); color: var(--text); }
.topbar__dropdown-sep { height: 1px; background: var(--border); margin: 4px 0; }
.topbar__avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent-dim); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-sm); font-weight: 700; flex-shrink: 0;
}

/* ---- Sidebar (Desktop) -------------------------------------- */
.sidebar {
  grid-area: nav;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding-top: var(--safe-top);
}
.sidebar__logo {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 20px; font-weight: 700; font-size: var(--fs-lg);
  color: var(--text);
}
.sidebar__nav { padding: 8px; flex: 1; }
.sidebar__link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--r);
  color: var(--text-2); font-size: var(--fs-sm); font-weight: 500;
  margin-bottom: 2px; transition: background var(--t), color var(--t);
}
.sidebar__link:hover { background: var(--bg-3); color: var(--text); }
.sidebar__link.active { background: var(--accent-dim); color: var(--accent); }
.sidebar__link svg { flex-shrink: 0; }

/* ---- Bottom Nav (Mobile) -------------------------------------- */
.bottom-nav {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 150;
  background: var(--bg-2); border-top: 1px solid var(--border);
  padding: 6px 8px calc(6px + var(--safe-bottom));
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
}
.bottom-nav__link {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 6px 2px; color: var(--text-3); font-size: 10px; font-weight: 600;
  border-radius: var(--r);
}
.bottom-nav__link.active { color: var(--accent); }
.bottom-nav__fab {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
  margin: -22px auto 0; box-shadow: var(--shadow-lg);
  border: 4px solid var(--bg-2);
}

/* ---- Main ---------------------------------------------------- */
.main { grid-area: main; min-width: 0; padding: 24px 28px 40px; max-width: 1200px; }
.page-title { font-size: var(--fs-2xl); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 4px; }
.page-subtitle { font-size: var(--fs-sm); color: var(--text-3); margin-bottom: 20px; }

/* ---- Month Nav ------------------------------------------------ */
.month-nav {
  display: flex; align-items: center; gap: 10px; margin-bottom: 20px;
}
.month-nav__label { font-size: var(--fs-lg); font-weight: 700; min-width: 170px; text-align: center; white-space: nowrap; }
.month-nav__btn {
  width: 34px; height: 34px; border-radius: var(--r);
  background: var(--bg-3); border: 1px solid var(--border); color: var(--text);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.month-nav__btn:hover { border-color: var(--border-2); }

/* ---- Cards ----------------------------------------------------- */
.card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 18px;
}
.card--clickable { cursor: pointer; transition: border-color var(--t); }
.card--clickable:hover { border-color: var(--border-2); }
.card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card__title { font-size: var(--fs-md); font-weight: 600; }

/* Eigener horizontaler Scroll-Container statt Seiten-weitem Overflow – auf schmalen
   Bildschirmen rutschen die Kacheln nebeneinander weg statt die ganze Seite zu verbreitern. */
.stat-grid {
  display: flex; gap: 8px; margin-bottom: 20px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.stat-tile { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 10px 10px; flex: 1 1 auto; min-width: 100px; }
.stat-tile__label { font-size: var(--fs-xs); color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.stat-tile__value { font-family: var(--mono); font-weight: 700; font-size: var(--fs-lg); white-space: nowrap; }
.stat-tile__value--income { color: var(--income); }
.stat-tile__value--expense { color: var(--expense); }

/* ---- Buttons ----------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--r); border: 1px solid transparent;
  font-size: var(--fs-sm); font-weight: 600; cursor: pointer;
  transition: background var(--t), border-color var(--t), opacity var(--t);
  white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: var(--accent-h); }
.btn--secondary { background: var(--bg-3); color: var(--text); border-color: var(--border); }
.btn--secondary:hover { border-color: var(--border-2); }
.btn--ghost { background: transparent; color: var(--text-2); border-color: var(--border); }
.btn--ghost:hover { color: var(--text); border-color: var(--border-2); }
.btn--danger { background: var(--danger-dim); color: var(--danger); }
.btn--danger:hover { background: rgba(248,113,113,.25); }
.btn--success { background: var(--success-dim); color: var(--success); }
.btn--icon { padding: 8px; border-radius: var(--r); background: transparent; color: var(--text-2); border: 1px solid transparent; }
.btn--icon:hover { background: var(--bg-3); color: var(--text); }
.btn--sm { padding: 5px 11px; font-size: var(--fs-xs); }
.btn--lg { padding: 11px 22px; font-size: var(--fs-md); }
.btn--block { width: 100%; justify-content: center; }
.ef-direction-btn.active,
.rf-direction-btn.active { background: var(--bg-4); color: var(--text); }
.ef-direction-btn.active[data-direction="expense"],
.rf-direction-btn.active[data-direction="expense"] { color: var(--expense); }
.ef-direction-btn.active[data-direction="income"],
.rf-direction-btn.active[data-direction="income"] { color: var(--income); }

/* ---- Table ---------------------------------------------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; padding: 10px 12px; font-size: var(--fs-xs); font-weight: 600;
  color: var(--text-3); text-transform: uppercase; letter-spacing: .05em;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text-2); }
td { padding: 11px 12px; border-bottom: 1px solid var(--border); font-size: var(--fs-sm); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-3); }
.amount--income { color: var(--income); font-family: var(--mono); font-weight: 600; white-space: nowrap; }
.amount--expense { color: var(--expense); font-family: var(--mono); font-weight: 600; white-space: nowrap; }

/* ---- Forms ---------------------------------------------------- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: var(--fs-sm); font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.form-control {
  width: 100%; background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--r);
  color: var(--text); padding: 9px 12px; font-size: var(--fs-base); font-family: inherit;
  transition: border-color var(--t);
}
.form-control:focus { outline: none; border-color: var(--accent); }
.form-control--mono { font-family: var(--mono); }
textarea.form-control { resize: vertical; min-height: 70px; }
.form-row { display: grid; gap: 12px; }
.form-row-2 { grid-template-columns: 1fr 1fr; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-hint { font-size: var(--fs-xs); color: var(--text-3); margin-top: 4px; }
.form-error { font-size: var(--fs-xs); color: var(--danger); margin-top: 4px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: var(--fs-sm); }
.checkbox-row input { accent-color: var(--accent); }

/* ---- Color Picker (Kategorien) --------------------------------- */
.color-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.color-swatch {
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
  border: 2px solid var(--border-2); transition: border-color var(--t), transform var(--t);
}
.color-swatch:hover { transform: scale(1.1); }
.color-swatch.selected { border-color: var(--text); }
.color-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* ---- Modal ---------------------------------------------------- */
.modal-backdrop {
  display: none; position: fixed; inset: 0; background: rgba(5,10,8,.65);
  z-index: 1000; align-items: flex-end; justify-content: center;
  backdrop-filter: blur(2px);
}
.modal-backdrop.is-open { display: flex; }
.modal {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  width: 100%; max-width: 560px; max-height: 92vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding-bottom: var(--safe-bottom);
}
.modal--lg { max-width: 780px; }
.modal__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--bg-2); z-index: 2;
}
.modal__title { font-size: var(--fs-lg); font-weight: 700; }
.modal__body { padding: 20px 22px; }
.modal__footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 22px; border-top: 1px solid var(--border);
  position: sticky; bottom: 0; background: var(--bg-2);
}

@media (min-width: 640px) {
  .modal-backdrop { align-items: center; }
  .modal { border-radius: var(--r-lg); }
}

/* ---- Toast ------------------------------------------------------ */
.toast-container {
  position: fixed; top: calc(16px + var(--safe-top)); right: 16px; z-index: 2000;
  display: flex; flex-direction: column; gap: 8px; max-width: 340px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-2); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--r); padding: 12px 14px; font-size: var(--fs-sm);
  box-shadow: var(--shadow-lg); animation: toast-in .25s ease;
}
.toast--success { border-left-color: var(--success); color: var(--success); }
.toast--error   { border-left-color: var(--danger);  color: var(--danger); }
.toast--warn    { border-left-color: var(--warn);    color: var(--warn); }
.toast--info    { border-left-color: var(--accent);  color: var(--accent); }
.toast.is-leaving { animation: toast-out .2s ease forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(20px); } }

/* ---- Badge -------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 999px;
  font-size: var(--fs-xs); font-weight: 600;
}
.badge--draft   { background: var(--bg-4); color: var(--text-2); }
.badge--success { background: var(--success-dim); color: var(--success); }
.badge--warn    { background: var(--warn-dim); color: var(--warn); }
.badge--income  { background: var(--income-dim); color: var(--income); }
.badge--expense { background: var(--expense-dim); color: var(--expense); }

/* ---- Tabs ------------------------------------------------------------ */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; overflow-x: auto; }
.tab {
  padding: 10px 14px; font-size: var(--fs-sm); font-weight: 600; color: var(--text-3);
  border-bottom: 2px solid transparent; cursor: pointer; white-space: nowrap;
}
.tab:hover { color: var(--text-2); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---- Filter bar -------------------------------------------------------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.filter-bar .form-control { width: auto; min-width: 140px; }
.filter-bar__search { flex: 1; min-width: 180px; }

/* ---- Buchungen: Darstellungs-Umschalter (Liste/Kompakt) ---------------- */
.view-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; }
.view-toggle-btn { border-radius: 0 !important; border: none !important; }
.view-toggle-btn + .view-toggle-btn { border-left: 1px solid var(--border) !important; }
.view-toggle-btn.active { background: var(--bg-4); color: var(--text); }

/* ---- Kategorie-Icon (Farbe + Anfangsbuchstabe) -------------------------- */
.cat-icon-circle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  font-size: 11px; font-weight: 700; color: #fff; margin-right: 6px;
  text-shadow: 0 1px 1px rgba(0,0,0,.25);
}
.cat-icon-circle--lg { width: 36px; height: 36px; font-size: 14px; margin-right: 0; }

/* Datum in der Listendarstellung: Jahr auf schmalen Bildschirmen ausblenden */

/* ---- Buchungen: Kompaktdarstellung ---------------------------------- */
.entry-compact-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 4px; border-bottom: 1px solid var(--border); cursor: pointer;
}
.entry-compact-row:last-child { border-bottom: none; }
.entry-compact-row:hover { background: var(--bg-3); }
.entry-compact-body { flex: 1; min-width: 0; }
.entry-compact-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.entry-compact-sub { font-size: var(--fs-xs); color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.entry-compact-amount { font-family: var(--mono); font-weight: 600; flex-shrink: 0; white-space: nowrap; }
.entry-select-cb { accent-color: var(--warn); width: 18px; height: 18px; flex-shrink: 0; cursor: pointer; }

/* ---- Member chips -------------------------------------------------------- */
.chip-list { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 8px 6px 12px; font-size: var(--fs-sm);
}
.chip__remove {
  width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--text-3); cursor: pointer;
}
.chip__remove:hover { background: var(--danger-dim); color: var(--danger); }

/* ---- Empty state -------------------------------------------------------- */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-3); }
.empty-state svg { margin-bottom: 12px; opacity: .5; }

/* ---- Receipt thumbnail -------------------------------------------------------- */
.receipt-thumb { width: 100%; max-width: 220px; border-radius: var(--r); border: 1px solid var(--border); display: block; }

/* ---- Utilities -------------------------------------------------------- */
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-mono   { font-family: var(--mono); }
.text-dim    { color: var(--text-2); }
.text-xs     { font-size: var(--fs-xs); }
.text-sm     { font-size: var(--fs-sm); }
.text-accent { color: var(--accent); }
.text-success{ color: var(--success); }
.text-danger { color: var(--danger); }
.text-warn   { color: var(--warn); }
.fw-6        { font-weight: 600; }
.fw-7        { font-weight: 700; }
.mt-4        { margin-top: 4px; }
.mt-8        { margin-top: 8px; }
.mt-16       { margin-top: 16px; }
.mt-24       { margin-top: 24px; }
.mb-16       { margin-bottom: 16px; }
.mb-24       { margin-bottom: 24px; }
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-wrap   { flex-wrap: wrap; }
.gap-8       { gap: 8px; }
.gap-12      { gap: 12px; }
.gap-16      { gap: 16px; }
.flex-1      { flex: 1; }
[hidden]     { display: none !important; }

.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--border); border-top-color: var(--accent);
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Responsive -------------------------------------------------------- */
@media (max-width: 900px) {
  .app-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: calc(56px + var(--safe-top)) 1fr;
    grid-template-areas: "header" "main";
  }
  .sidebar { display: none; }
  .bottom-nav { display: grid; }
  .header-new-entry-btn { display: none; } /* Mobile: FAB in der Bottom-Nav übernimmt diese Funktion */
  .main { padding: 18px 14px calc(84px + var(--safe-bottom)); }
  .hh-switcher__btn { max-width: 150px; }
}

@media (max-width: 600px) {
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
  .month-nav__label { min-width: auto; flex: 1; }
  /* Buchungen-Liste: Jahr und Kategorie-Name ausblenden, nur Icon+Kürzel bleibt */
  .entry-year { display: none; }
  .cat-name-text { display: none; }
  .cat-icon-circle { margin-right: 0; }
}