:root {
    --erp-bg: #f4f6f8;
    --erp-surface: #ffffff;
    --erp-border: #d9dee3;
    --erp-text: #1f2933;
    --erp-muted: #5b6b79;
    --erp-brand: #1f6f5c;
    --erp-brand-contrast: #ffffff;
    --erp-danger: #b3261e;
    --erp-info: #1a5fb4;
    --erp-ok: #1f6f5c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--erp-bg);
    color: var(--erp-text);
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

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

.site-header .container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--erp-text);
    font-weight: 600;
}

.brand-mark {
    background: var(--erp-brand);
    color: var(--erp-brand-contrast);
    border-radius: 6px;
    padding: 0.15rem 0.45rem;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.main-nav {
    display: flex;
    gap: 1rem;
    flex: 1;
}

.main-nav a {
    color: var(--erp-muted);
    text-decoration: none;
}

.main-nav a:hover { color: var(--erp-text); }

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-name { color: var(--erp-muted); }

.btn {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    border: 1px solid transparent;
}

.btn-ghost {
    color: var(--erp-text);
    border-color: var(--erp-border);
    background: transparent;
}

.btn-secondary {
    color: var(--erp-brand-contrast);
    background: var(--erp-brand);
}

.site-main {
    padding-top: 1.5rem;
    padding-bottom: 2.5rem;
    min-height: 60vh;
}

.site-footer {
    border-top: 1px solid var(--erp-border);
    padding: 1rem 0;
    color: var(--erp-muted);
}

.muted { color: var(--erp-muted); }

.flash-stack {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.flash {
    padding: 0.6rem 0.9rem;
    border-radius: 6px;
    border: 1px solid var(--erp-border);
}

.flash-error { border-color: var(--erp-danger); color: var(--erp-danger); }
.flash-info { border-color: var(--erp-info); color: var(--erp-info); }
.flash-success { border-color: var(--erp-ok); color: var(--erp-ok); }

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }

.tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.tile {
    display: block;
    background: var(--erp-surface);
    border: 1px solid var(--erp-border);
    border-radius: 8px;
    padding: 1rem;
    text-decoration: none;
    color: var(--erp-text);
}

.tile:hover { border-color: var(--erp-brand); }

.tile-icon { font-size: 1.5rem; }
.tile-title { font-weight: 600; margin-top: 0.25rem; }
.tile-desc { color: var(--erp-muted); font-size: 0.85rem; margin-top: 0.15rem; }

/* ------------------------------------------------------------- Wareneingang */

.page-header { margin-bottom: 1.25rem; }
.page-header h1 { margin-bottom: 0.15rem; }

.card {
    background: var(--erp-surface);
    border: 1px solid var(--erp-border);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--erp-border);
    font-size: 0.9rem;
}
.data-table th { color: var(--erp-muted); font-weight: 600; }
.data-table tr:hover td { background: #fafcfb; }

.btn-primary { color: var(--erp-brand-contrast); background: var(--erp-brand); border-color: var(--erp-brand); }
.btn-danger { color: var(--erp-danger); border-color: var(--erp-danger); background: transparent; }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }

.form-field { margin-bottom: 0.9rem; display: flex; flex-direction: column; gap: 0.3rem; }
.form-field label { font-weight: 600; font-size: 0.85rem; }
.form-field input[type="text"], .form-field input[type="number"],
.form-field select, .form-field textarea {
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--erp-border);
    border-radius: 6px;
    font: inherit;
}
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-end; }
.form-row .form-field { flex: 1; min-width: 160px; }
.form-actions { display: flex; gap: 0.75rem; margin-top: 0.75rem; }
.field-errors { color: var(--erp-danger); font-size: 0.8rem; margin: 0; padding-left: 1.1rem; }

.status-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid transparent;
}
.status-badge-ok { color: var(--erp-ok); background: #e4f2ee; border-color: var(--erp-ok); }
.status-badge-info { color: var(--erp-info); background: #e7f0fc; border-color: var(--erp-info); }
.status-badge-danger { color: var(--erp-danger); background: #fbe9e8; border-color: var(--erp-danger); }
.status-badge-warn { color: #8a5a00; background: #fdf0d8; border-color: #8a5a00; }
.status-badge-neutral { color: var(--erp-muted); background: #eef1f3; border-color: var(--erp-border); }

.item-block { border: 1px solid var(--erp-border); border-radius: 8px; padding: 0.9rem; margin-bottom: 0.9rem; }
.item-block-header { display: flex; justify-content: space-between; align-items: baseline; gap: 0.75rem; flex-wrap: wrap; }
.scan-progress { font-variant-numeric: tabular-nums; }
.scan-progress-complete { color: var(--erp-ok); font-weight: 600; }

.scan-panel { margin-top: 0.75rem; border-top: 1px dashed var(--erp-border); padding-top: 0.75rem; }
.scan-input-row { display: flex; gap: 0.5rem; }
.scan-input-row input { flex: 1; }
.scanner-viewport { max-width: 360px; margin-top: 0.5rem; }
.scan-feedback { margin-top: 0.4rem; font-size: 0.85rem; min-height: 1.2em; }
.scan-feedback.error { color: var(--erp-danger); }
.scan-feedback.ok { color: var(--erp-ok); }

.unit-list { list-style: none; padding: 0; margin: 0.5rem 0 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.unit-chip {
    display: inline-flex; align-items: center; gap: 0.35rem;
    border: 1px solid var(--erp-border); border-radius: 6px;
    padding: 0.2rem 0.5rem; font-size: 0.8rem; background: #fafcfb;
}
.unit-chip a { color: var(--erp-info); text-decoration: none; }
.unit-chip button { border: none; background: none; color: var(--erp-danger); cursor: pointer; padding: 0; font-size: 0.9rem; }

/* ------------------------------------------------------------------ Stammdaten */

.tabs {
    display: flex;
    gap: 0.4rem;
    border-bottom: 1px solid var(--erp-border);
    margin-bottom: 1.25rem;
}
.tab {
    padding: 0.5rem 0.9rem;
    text-decoration: none;
    color: var(--erp-muted);
    border-bottom: 2px solid transparent;
    font-size: 0.9rem;
}
.tab:hover { color: var(--erp-text); }
.tab-active { color: var(--erp-brand); border-bottom-color: var(--erp-brand); font-weight: 600; }

.search-bar { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.search-bar input[type="text"] {
    flex: 1;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--erp-border);
    border-radius: 6px;
    font: inherit;
}

.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.9rem; }
.detail-field label { display: block; font-size: 0.8rem; color: var(--erp-muted); font-weight: 600; }
.detail-field .value { font-size: 0.95rem; }
.source-badge {
    display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px;
    font-size: 0.7rem; font-weight: 600; border: 1px solid var(--erp-border); color: var(--erp-muted);
}


/* Dashboard-Kennzahlen (Phase 20) */
.widget-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1rem 0 1.5rem;
}
.widget {
    flex: 1 1 160px;
    min-width: 160px;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.75rem 0.9rem;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    background: #fff;
}
.widget:hover { border-color: rgba(0, 0, 0, 0.3); }
.widget-value { font-size: 1.6rem; font-weight: 700; line-height: 1.1; }
.widget-label { font-size: 0.85rem; opacity: 0.75; }
.widget-hint { font-size: 0.78rem; opacity: 0.6; }