/* ==========================================================
   B&R Bestellwesen - Designsprache nach benderundrueb.de
   Dark theme · Lime accent · Syne display + DM Sans body
   ========================================================== */

:root {
    --black:        #0a0a0a;
    --white:        #f5f3ee;
    --accent:       #c8f060;
    --accent-2:     #4af0b8;
    --grey:         #1c1c1c;
    --grey-2:       #2e2e2e;
    --muted:        #6b6b6b;
    --border:       rgba(255,255,255,0.08);
    --border-strong:rgba(255,255,255,0.16);

    /* Semantische Variablen */
    --bg:           var(--black);
    --surface:      var(--grey);
    --surface-2:    var(--grey-2);
    --text:         var(--white);
    --text-muted:   rgba(245,243,238,0.6);
    --text-faint:   rgba(245,243,238,0.4);

    --accent-soft:  rgba(200,240,96,0.10);
    --success:      var(--accent-2);
    --success-soft: rgba(74,240,184,0.10);
    --warn:         #f5b342;
    --warn-soft:    rgba(245,179,66,0.12);
    --danger:       #ff5c5c;
    --danger-soft:  rgba(255,92,92,0.12);

    --radius:       2px;
    --radius-lg:    4px;
    --shadow-sm:    0 1px 2px rgba(0,0,0,0.4);

    --font-sans:    'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Syne', 'DM Sans', sans-serif;
    --font-mono:    ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

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

html { font-size: 15px; }

body {
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* Subtiler Noise-Overlay als Signature-Element */
body::before {
    content: '';
    position: fixed; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    opacity: 0.025;
    pointer-events: none;
    z-index: 9999;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent); text-decoration: underline; }

/* ------------------------------------------------------------
   Layout
------------------------------------------------------------ */
.app {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--grey);
    border-right: 1px solid var(--border);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.brand {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    padding: 0 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
    color: var(--white);
}

.brand .dot { color: var(--accent); }

.nav {
    list-style: none;
    padding: 1rem 0.75rem;
    flex: 1;
}

.nav-section {
    text-transform: uppercase;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--accent);
    padding: 1rem 0.75rem 0.4rem;
    margin-top: 0.4rem;
}

.nav a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text-muted);
    padding: 0.55rem 0.75rem;
    font-size: 0.88rem;
    font-weight: 400;
    border-radius: var(--radius);
    transition: color 0.15s, background 0.15s;
}

.nav a:hover {
    color: var(--white);
    background: rgba(255,255,255,0.03);
    text-decoration: none;
}

.nav a.active {
    color: var(--accent);
    background: var(--accent-soft);
    font-weight: 500;
}

.nav-icon { width: 16px; height: 16px; color: currentColor; opacity: 0.85; }

.user-box {
    border-top: 1px solid var(--border);
    padding: 0.9rem 1.5rem;
    font-size: 0.85rem;
}
.user-box .user-name { font-weight: 500; color: var(--white); }
.user-box .user-meta {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.15rem;
}
.user-box form { margin-top: 0.6rem; }
.user-box .btn-link {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    font-size: 0.78rem;
    font-family: inherit;
    transition: color 0.15s;
}
.user-box .btn-link:hover { color: var(--white); text-decoration: underline; }

/* ------------------------------------------------------------
   Main content
------------------------------------------------------------ */
.main {
    padding: 2.5rem 3rem 4rem;
    max-width: 1320px;
    width: 100%;
    position: relative;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.025em;
    color: var(--white);
}

.page-header .subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 300;
    margin-top: 0.4rem;
    line-height: 1.6;
}

/* ------------------------------------------------------------
   Buttons
------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid var(--border-strong);
    background: var(--grey-2);
    color: var(--white);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1;
}
.btn:hover {
    background: var(--grey);
    border-color: rgba(255,255,255,0.25);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--black);
    border-color: var(--accent);
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.78rem;
    padding: 0.65rem 1.2rem;
}
.btn-primary:hover {
    background: #d4f570;
    border-color: #d4f570;
    color: var(--black);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(200,240,96,0.18);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border-color: rgba(255,92,92,0.4);
}
.btn-danger:hover {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

.btn-ghost {
    border-color: transparent;
    background: transparent;
    color: var(--text-muted);
}
.btn-ghost:hover {
    color: var(--white);
    background: rgba(255,255,255,0.04);
    border-color: transparent;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
}
.btn-primary.btn-sm {
    padding: 0.45rem 0.9rem;
    font-size: 0.7rem;
}

/* ------------------------------------------------------------
   Cards
------------------------------------------------------------ */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
}

/* Signature-Gradient-Linie oben auf jeder Karte */
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    opacity: 0.6;
}

.card + .card { margin-top: 1.25rem; }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border);
}

.card-header h2 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--white);
}

/* ------------------------------------------------------------
   Stats
------------------------------------------------------------ */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.25rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s;
}
.stat::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 0; height: 1px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transition: width 0.4s ease;
}
.stat:hover { border-color: rgba(255,255,255,0.14); }
.stat:hover::before { width: 100%; }

.stat-label {
    font-size: 0.7rem;
    color: var(--accent);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 0.6rem;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--white);
}

.stat-value.warn { color: var(--warn); }
.stat-value.danger { color: var(--danger); }

/* ------------------------------------------------------------
   Tables
------------------------------------------------------------ */
.table-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}
.table-wrap::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    opacity: 0.5;
    z-index: 1;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

thead th {
    text-align: left;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(0,0,0,0.25);
}

tbody td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background 0.15s; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

.num {
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum';
    text-align: right;
}

/* Card-internal table (kein doppelter Rahmen) */
.card .table-wrap { border: none; background: transparent; }
.card .table-wrap::before { display: none; }
.card .table-wrap thead th { background: transparent; }

/* ------------------------------------------------------------
   Badges / Status
------------------------------------------------------------ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.18rem 0.55rem;
    font-family: var(--font-display);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius);
    border: 1px solid;
    white-space: nowrap;
}
.badge-draft     { background: rgba(255,255,255,0.04);  color: var(--text-muted); border-color: var(--border-strong); }
.badge-submitted { background: var(--warn-soft);        color: var(--warn);       border-color: rgba(245,179,66,0.4); }
.badge-approved  { background: var(--accent-soft);      color: var(--accent);     border-color: rgba(200,240,96,0.4); }
.badge-rejected  { background: var(--danger-soft);      color: var(--danger);     border-color: rgba(255,92,92,0.4); }
.badge-ordered   { background: var(--success-soft);     color: var(--accent-2);   border-color: rgba(74,240,184,0.4); }
.badge-partial   { background: var(--success-soft);     color: var(--accent-2);   border-color: rgba(74,240,184,0.4); }
.badge-received  { background: var(--accent-soft);      color: var(--accent);     border-color: rgba(200,240,96,0.4); }
.badge-cancelled { background: rgba(255,255,255,0.04);  color: var(--text-muted); border-color: var(--border-strong); }

.badge-low { background: var(--danger-soft); color: var(--danger); border-color: rgba(255,92,92,0.4); }
.badge-ok  { background: var(--accent-soft); color: var(--accent); border-color: rgba(200,240,96,0.4); }

/* ------------------------------------------------------------
   Forms
------------------------------------------------------------ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem 1.25rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field-full { grid-column: 1 / -1; }

label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.label-hint {
    font-weight: 400;
    color: var(--text-faint);
    font-size: 0.7rem;
    text-transform: none;
    letter-spacing: 0;
}

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="url"], select, textarea {
    width: 100%;
    padding: 0.7rem 0.85rem;
    font-family: var(--font-sans);
    font-size: 0.92rem;
    color: var(--white);
    background: var(--grey-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
input::placeholder, textarea::placeholder { color: var(--text-faint); }

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: rgba(200,240,96,0.5);
    background: rgba(200,240,96,0.04);
    box-shadow: 0 0 0 3px rgba(200,240,96,0.08);
}

textarea { resize: vertical; min-height: 88px; line-height: 1.5; }

select option { background: var(--grey-2); color: var(--white); }

.form-actions {
    display: flex;
    gap: 0.6rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    color: var(--white);
    cursor: pointer;
}
.checkbox input { width: auto; accent-color: var(--accent); }

/* ------------------------------------------------------------
   Login
------------------------------------------------------------ */
.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: var(--bg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}
.login-page::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at center, black 0%, transparent 70%);
    pointer-events: none;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.75rem 2.5rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.login-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.login-card .brand {
    border: none;
    padding: 0 0 1.75rem;
    text-align: center;
    font-size: 1.75rem;
}

.login-card label {
    font-size: 0.7rem;
}

.login-card .btn-primary {
    width: 100%;
    padding: 0.9rem;
    font-size: 0.85rem;
}

/* ------------------------------------------------------------
   Alerts / Notices
------------------------------------------------------------ */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    border: 1px solid;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
}
.alert-error { background: var(--danger-soft);  color: var(--danger); border-color: rgba(255,92,92,0.4); }
.alert-info  { background: var(--accent-soft);  color: var(--accent); border-color: rgba(200,240,96,0.4); }
.alert-warn  { background: var(--warn-soft);    color: var(--warn);   border-color: rgba(245,179,66,0.4); }

.notice {
    border-left: 2px solid var(--accent);
    background: var(--accent-soft);
    padding: 0.8rem 1rem;
    border-radius: var(--radius);
    font-size: 0.88rem;
    color: var(--white);
}
.notice-warn { border-color: var(--warn); background: var(--warn-soft); color: var(--warn); }

/* ------------------------------------------------------------
   Empty state
------------------------------------------------------------ */
.empty-state {
    text-align: center;
    padding: 3.5rem 1rem;
    color: var(--text-muted);
}
.empty-state h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}
.empty-state p { font-size: 0.9rem; font-weight: 300; }

/* ------------------------------------------------------------
   Order detail
------------------------------------------------------------ */
.detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}
@media (max-width: 900px) {
    .detail-grid { grid-template-columns: 1fr; }
}

.meta-list { list-style: none; }
.meta-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}
.meta-list li:last-child { border-bottom: none; }
.meta-list .label {
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.supplier-block {
    background: var(--grey-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    margin-bottom: 0.75rem;
}
.supplier-block:last-child { margin-bottom: 0; }
.supplier-block h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--white);
}

/* ------------------------------------------------------------
   Filter bar
------------------------------------------------------------ */
.filter-bar {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.filter-bar .filter-link {
    padding: 0.4rem 0.85rem;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    color: var(--text-muted);
    background: var(--grey);
    transition: all 0.15s;
}
.filter-bar .filter-link.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}
.filter-bar .filter-link:hover { color: var(--white); border-color: rgba(255,255,255,0.2); text-decoration: none; }
.filter-bar .filter-link.active:hover { color: var(--accent); border-color: var(--accent); }

/* ------------------------------------------------------------
   Toolbar
------------------------------------------------------------ */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

/* ------------------------------------------------------------
   Misc
------------------------------------------------------------ */
.inline-form { display: inline; }
.action-cell { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }
.amount { font-variant-numeric: tabular-nums; }

pre.preview {
    background: var(--black);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    white-space: pre-wrap;
    line-height: 1.55;
    overflow-x: auto;
    color: var(--text);
}

details summary {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: color 0.15s;
}
details summary:hover { color: var(--white); }

/* Scrollbar (Webkit) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--grey-2); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: #3a3a3a; }

/* ------------------------------------------------------------
   Mobile
------------------------------------------------------------ */
@media (max-width: 768px) {
    .app { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; }
    .main { padding: 1.75rem 1.25rem 3rem; }
    .page-header h1 { font-size: 1.5rem; }
    .stat-value { font-size: 1.85rem; }
    .login-card { padding: 2rem 1.5rem; }
}