:root {
    --red: #dc2626;
    --red-light: #fef2f2;
    --orange: #ea580c;
    --orange-light: #fff7ed;
    --yellow: #d97706;
    --yellow-light: #fffbeb;
    --green: #16a34a;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-400: #9ca3af;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 15px;
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.5;
}

/* Header */
header {
    background: #b91c1c;
    color: white;
    padding: 0 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,.2);
}
.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
    height: 56px;
}
.logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    white-space: nowrap;
}
nav { display: flex; gap: .25rem; }
nav a {
    color: rgba(255,255,255,.85);
    text-decoration: none;
    padding: .4rem .9rem;
    border-radius: var(--radius);
    font-size: .9rem;
    transition: background .15s;
}
nav a:hover, nav a.active {
    background: rgba(255,255,255,.2);
    color: white;
}

/* Main */
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Page header */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.page-header h1 { font-size: 1.6rem; }
.subtitle { color: var(--gray-600); margin-top: .25rem; }
.header-btns { display: flex; gap: .5rem; flex-wrap: wrap; }
.back-link { color: var(--blue); text-decoration: none; font-size: .9rem; display: block; margin-bottom: .25rem; }
.back-link:hover { text-decoration: underline; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1.1rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: .9rem;
    font-weight: 500;
    text-decoration: none;
    transition: opacity .15s, box-shadow .15s;
}
.btn:hover { opacity: .9; }
.btn-primary { background: #b91c1c; color: white; }
.btn-secondary { background: var(--gray-200); color: var(--gray-800); }
.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: .2rem .4rem;
    border-radius: 4px;
    opacity: .7;
    transition: opacity .15s;
}
.btn-icon:hover { opacity: 1; background: var(--gray-100); }

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}
.card-danger { border-left: 4px solid var(--red); }
.card-warning { border-left: 4px solid var(--orange); }
.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: .5rem;
}
.card-header h2 { font-size: 1.1rem; }
.card-actions { display: flex; gap: .25rem; }
.card-desc { color: var(--gray-600); font-size: .9rem; margin-bottom: .75rem; }
.card-stats { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; font-size: .85rem; color: var(--gray-600); }

/* Badges */
.badge {
    display: inline-block;
    padding: .15rem .5rem;
    border-radius: 99px;
    font-size: .75rem;
    font-weight: 600;
}
.badge.abgelaufen, span.abgelaufen { background: var(--red-light); color: var(--red); }
.badge.bald-abgelaufen { background: var(--orange-light); color: var(--orange); }
.badge.warnung { background: var(--yellow-light); color: var(--yellow); }
.badge.ok { background: #f0fdf4; color: var(--green); }

/* Table */
.fach-container { display: flex; flex-direction: column; gap: 1.5rem; }
.fach {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.fach-titel {
    padding: .75rem 1rem;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    font-size: 1rem;
}
.fach-count { color: var(--gray-400); font-weight: 400; font-size: .85rem; }
.artikel-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}
.artikel-table th {
    text-align: left;
    padding: .6rem 1rem;
    background: var(--gray-50);
    color: var(--gray-600);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: 1px solid var(--gray-200);
}
.artikel-table td {
    padding: .65rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}
.artikel-table tr:last-child td { border-bottom: none; }
.artikel-table tr.abgelaufen td { background: var(--red-light); }
.artikel-table tr.bald-abgelaufen td { background: var(--orange-light); }
.artikel-table tr.warnung td { background: var(--yellow-light); }
.col-actions { width: 80px; text-align: right; white-space: nowrap; }
.notiz-cell { color: var(--gray-600); font-size: .85rem; }

/* Ablauf */
.ablauf-section { margin-bottom: 1.5rem; }
.section-title {
    font-size: 1.1rem;
    margin-bottom: .75rem;
    padding: .5rem 0;
    border-bottom: 2px solid var(--gray-200);
}
.section-title.abgelaufen { border-color: var(--red); color: var(--red); }
.section-title.bald-abgelaufen { border-color: var(--orange); color: var(--orange); }
.section-title.warnung { border-color: var(--yellow); color: var(--yellow); }
.ablauf-section .artikel-table {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    color: var(--gray-600);
}
.ok-state { border-color: #bbf7d0; background: #f0fdf4; color: var(--green); }

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal-box {
    background: white;
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0,0,0,.2);
}
.modal-box h3 { margin-bottom: 1rem; font-size: 1.1rem; }
.modal-box label {
    display: block;
    margin-bottom: .75rem;
    font-size: .85rem;
    font-weight: 500;
    color: var(--gray-600);
}
.modal-box input[type=text],
.modal-box input[type=number],
.modal-box input[type=date],
.modal-box textarea {
    display: block;
    width: 100%;
    margin-top: .3rem;
    padding: .5rem .75rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: .95rem;
    font-family: inherit;
}
.modal-box input:focus, .modal-box textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: .5rem;
    margin-top: 1.25rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--gray-400);
    font-size: .85rem;
    margin-top: 2rem;
}

/* Error */
.error { color: var(--red); padding: 1rem; }

@media (max-width: 600px) {
    main { padding: 1rem; }
    .page-header { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
    .artikel-table th:nth-child(4),
    .artikel-table td:nth-child(4) { display: none; }
}