/* ==========================================================================
   InventoryX – Design-Tokens & Basis-Styles
   Farbsystem: dunkles Teal als Markenfarbe (Lager/Inventur-Kontext),
   neutrale Grautöne für Flächen, klare Statusfarben.
   ========================================================================== */

:root {
  --ix-primary: #0F5045;
  --ix-primary-hover: #0C3F37;
  --ix-primary-contrast: #FFFFFF;
  --ix-accent: #E0A63A;      /* Rabatt / Hinweis */
  --ix-danger: #B3382C;
  --ix-success: #1E7A4C;
  --ix-warning: #C98A2C;

  --ix-radius-sm: 8px;
  --ix-radius-md: 14px;
  --ix-radius-lg: 20px;
  --ix-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --ix-shadow: 0 2px 10px rgba(15, 23, 20, 0.08);
  --ix-shadow-lift: 0 8px 24px rgba(15, 23, 20, 0.16);
}

/* Light Mode (Standard) */
:root,
[data-theme="light"] {
  --ix-bg: #F5F7F6;
  --ix-surface: #FFFFFF;
  --ix-surface-alt: #EEF1F0;
  --ix-border: #DDE3E1;
  --ix-text: #16211D;
  --ix-text-muted: #5B6B65;
  --ix-input-bg: #FFFFFF;
}

/* Dark Mode */
[data-theme="dark"] {
  --ix-bg: #0E1513;
  --ix-surface: #17211E;
  --ix-surface-alt: #1E2925;
  --ix-border: #2B3835;
  --ix-text: #E7ECEA;
  --ix-text-muted: #93A29C;
  --ix-input-bg: #131B19;
  --ix-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  --ix-shadow-lift: 0 8px 24px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--ix-font);
  background: var(--ix-bg);
  color: var(--ix-text);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: contain;
}

#app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 560px;
  margin: 0 auto;
  background: var(--ix-bg);
  position: relative;
}

/* ---------- App Bar ---------- */
.ix-appbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: calc(env(safe-area-inset-top, 0px) + .65rem) .9rem .65rem;
  background: var(--ix-primary);
  color: var(--ix-primary-contrast);
}

.ix-appbar__title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .01em;
  flex: 1;
}

.ix-appbar__icon-btn {
  background: rgba(255,255,255,0.12);
  border: none;
  color: var(--ix-primary-contrast);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.ix-appbar__icon-btn:active { background: rgba(255,255,255,0.24); }

.ix-status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  margin-right: .35rem;
  background: var(--ix-warning);
}
.ix-status-dot.is-online { background: #57C785; }
.ix-status-dot.is-offlinemode { background: #9AA6A2; }

.ix-status-pill {
  display: inline-flex;
  align-items: center;
  font-size: .74rem;
  padding: .28rem .55rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  white-space: nowrap;
}

/* ---------- Screens ---------- */
.ix-screen {
  display: none;
  flex: 1;
  flex-direction: column;
  padding: 1.1rem 1rem calc(env(safe-area-inset-bottom,0px) + 1rem);
}
.ix-screen.is-active { display: flex; }

.ix-step-header {
  margin-bottom: 1.4rem;
}
.ix-step-header .ix-eyebrow {
  color: var(--ix-text-muted);
  font-size: .82rem;
  margin-bottom: .2rem;
}
.ix-step-header h1 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
}
.ix-step-header p {
  color: var(--ix-text-muted);
  margin: .35rem 0 0;
  font-size: .92rem;
}

.ix-field-label {
  font-size: .84rem;
  font-weight: 600;
  color: var(--ix-text-muted);
  margin-bottom: .4rem;
  display: block;
}

.ix-input {
  width: 100%;
  font-size: 1.15rem;
  padding: .85rem .95rem;
  border-radius: var(--ix-radius-md);
  border: 1.5px solid var(--ix-border);
  background: var(--ix-input-bg);
  color: var(--ix-text);
  outline: none;
  transition: border-color .15s ease;
}
.ix-input:focus {
  border-color: var(--ix-primary);
}

.ix-scan-btn {
  margin-top: .65rem;
  width: 100%;
  padding: .8rem 1rem;
  border-radius: var(--ix-radius-md);
  border: 1.5px dashed var(--ix-primary);
  background: transparent;
  color: var(--ix-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
}
[data-theme="dark"] .ix-scan-btn { color: #4FD6B8; border-color: #4FD6B8; }

.ix-primary-btn {
  width: 100%;
  padding: .9rem 1rem;
  border-radius: var(--ix-radius-md);
  border: none;
  background: var(--ix-primary);
  color: var(--ix-primary-contrast);
  font-weight: 700;
  font-size: 1.02rem;
  box-shadow: var(--ix-shadow);
}
.ix-primary-btn:disabled { opacity: .45; }
.ix-primary-btn.ix-btn-ghost {
  background: transparent;
  color: var(--ix-primary);
  border: 1.5px solid var(--ix-primary);
  box-shadow: none;
}
[data-theme="dark"] .ix-primary-btn.ix-btn-ghost { color: #4FD6B8; border-color: #4FD6B8; }

.ix-spacer { flex: 1; }

/* ---------- Screen 3: Kontext-Badges ---------- */
.ix-context-bar {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.ix-context-chip {
  background: var(--ix-surface-alt);
  border: 1px solid var(--ix-border);
  border-radius: 10px;
  padding: .4rem .65rem;
  font-size: .8rem;
  color: var(--ix-text-muted);
}
.ix-context-chip b { color: var(--ix-text); font-size: .86rem; }

/* ---------- Artikel-Liste ---------- */
.ix-article-list {
  flex: 1;
  overflow-y: auto;
  margin: 0 -1rem;
  padding: 0 1rem;
}
.ix-article-empty {
  text-align: center;
  color: var(--ix-text-muted);
  padding: 2.5rem 1rem;
  font-size: .92rem;
}

.ix-article-card {
  position: relative;
  background: var(--ix-surface);
  border: 1px solid var(--ix-border);
  border-radius: var(--ix-radius-md);
  padding: .75rem .8rem;
  margin-bottom: .6rem;
  display: flex;
  align-items: center;
  gap: .7rem;
}
.ix-article-card__info { flex: 1; min-width: 0; }
.ix-article-card__num {
  font-weight: 700;
  font-size: .98rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ix-article-card__meta {
  font-size: .82rem;
  color: var(--ix-text-muted);
  margin-top: .1rem;
}
.ix-article-card__meta .ix-badge-rabatt {
  color: var(--ix-warning);
  font-weight: 600;
}
.ix-article-card__qty {
  font-weight: 700;
  font-size: 1.05rem;
  white-space: nowrap;
}

.ix-menu-btn {
  border: none;
  background: transparent;
  color: var(--ix-text-muted);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.ix-menu-btn:active { background: var(--ix-surface-alt); }

/* ---------- Bottom Capture Bar (Screen 3) ---------- */
.ix-capture-bar {
  position: sticky;
  bottom: 0;
  background: var(--ix-bg);
  padding-top: .6rem;
  margin-top: .4rem;
}

/* ---------- Bottom Sheet Modals ---------- */
.ix-sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 13, 0.5);
  z-index: 40;
  display: none;
}
.ix-sheet-backdrop.is-open { display: block; }

.ix-sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 41;
  background: var(--ix-surface);
  border-radius: 20px 20px 0 0;
  padding: .6rem 1.1rem calc(env(safe-area-inset-bottom,0px) + 1.1rem);
  box-shadow: var(--ix-shadow-lift);
  transform: translateY(100%);
  transition: transform .22s ease;
  max-width: 560px;
  margin: 0 auto;
}
.ix-sheet-backdrop.is-open .ix-sheet { transform: translateY(0); }
.ix-sheet__handle {
  width: 40px; height: 4px;
  background: var(--ix-border);
  border-radius: 3px;
  margin: .3rem auto .9rem;
}
.ix-sheet h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.ix-rabatt-toggle {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: transparent;
  border: 1.5px solid var(--ix-border);
  color: var(--ix-text-muted);
  border-radius: 10px;
  padding: .5rem .75rem;
  font-size: .86rem;
  margin: .8rem 0;
}
.ix-rabatt-toggle.is-active {
  border-color: var(--ix-accent);
  color: var(--ix-accent);
}

/* ---------- Scanner Overlay ---------- */
.ix-scanner-overlay {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 50;
  display: none;
  flex-direction: column;
}
.ix-scanner-overlay.is-open { display: flex; }
#ix-qr-reader { flex: 1; }
#ix-qr-reader video { object-fit: cover; }
.ix-scanner-topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(env(safe-area-inset-top,0px) + .8rem) 1rem .8rem;
  background: linear-gradient(rgba(0,0,0,.55), transparent);
}
.ix-scanner-topbar span {
  color: #fff;
  font-weight: 600;
}
.ix-scanner-close {
  background: rgba(255,255,255,0.18);
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

/* ---------- Settings Offcanvas ---------- */
.ix-settings-group {
  margin-bottom: 1.4rem;
}
.ix-settings-group h6 {
  text-transform: none;
  font-size: .78rem;
  color: var(--ix-text-muted);
  font-weight: 700;
  margin-bottom: .6rem;
}
.ix-settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .7rem 0;
  border-bottom: 1px solid var(--ix-border);
  gap: 1rem;
}
.ix-settings-row:last-child { border-bottom: none; }
.ix-settings-row__label { font-size: .95rem; }
.ix-settings-row__sub { font-size: .78rem; color: var(--ix-text-muted); margin-top: .1rem; }

.form-check-input:checked {
  background-color: var(--ix-primary);
  border-color: var(--ix-primary);
}

.offcanvas, .modal-content {
  background: var(--ix-surface);
  color: var(--ix-text);
}
.offcanvas-header { border-bottom: 1px solid var(--ix-border); }

.ix-danger-btn {
  width: 100%;
  padding: .7rem 1rem;
  border-radius: var(--ix-radius-sm);
  border: 1.5px solid var(--ix-danger);
  background: transparent;
  color: var(--ix-danger);
  font-weight: 600;
}

.ix-export-btn {
  flex: 1;
  padding: .65rem;
  border-radius: var(--ix-radius-sm);
  border: 1.5px solid var(--ix-border);
  background: var(--ix-surface-alt);
  color: var(--ix-text);
  font-weight: 600;
  font-size: .88rem;
}

.ix-toast-stack {
  position: fixed;
  top: calc(env(safe-area-inset-top,0px) + 4.2rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  width: min(92%, 480px);
  display: flex;
  flex-direction: column;
  gap: .5rem;
  pointer-events: none;
}
.ix-toast {
  background: var(--ix-surface);
  border: 1px solid var(--ix-border);
  color: var(--ix-text);
  border-radius: 12px;
  padding: .7rem .9rem;
  box-shadow: var(--ix-shadow-lift);
  font-size: .88rem;
  display: flex;
  align-items: center;
  gap: .55rem;
}
.ix-toast.ix-toast--success { border-color: var(--ix-success); }
.ix-toast.ix-toast--error { border-color: var(--ix-danger); }
.ix-toast.ix-toast--info { border-color: var(--ix-primary); }

::selection { background: var(--ix-primary); color: #fff; }

@media (min-width: 560px) {
  #app { border-inline: 1px solid var(--ix-border); min-height: 100vh; }
}