/* Salespoint Abralio — Professional Business Theme */
:root {
    --bg-primary: #e8ecf1;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-overlay: #eef2ff;
    --bg-header: #1e3a5f;
    --text-primary: #1a2332;
    --text-secondary: #64748b;
    --text-on-header: #ffffff;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #dbeafe;
    --success: #059669;
    --success-light: #d1fae5;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --border: #d1d9e6;
    --border-light: #e8edf2;
    --shadow: rgba(0,0,0,0.08);
    --shadow-lg: rgba(0,0,0,0.12);
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Screens ─────────────────────────────────────── */
.screen { display: none; }
.screen.active { display: flex; flex-direction: column; min-height: 100vh; }

/* ── Login ───────────────────────────────────────── */
.login-container {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; flex: 1; padding: 20px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
}
.login-container h1 { font-size: 2.5rem; color: #ffffff; }
.login-container .subtitle { color: rgba(255,255,255,0.7); margin-bottom: 30px; }

#login-tab-buttons {
    display: flex; gap: 0; margin-bottom: 20px; width: 100%; max-width: 400px;
}
#login-tab-buttons .tab-btn {
    flex: 1; padding: 10px; border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7);
    cursor: pointer; font-size: 1rem; transition: all 0.2s;
}
#login-tab-buttons .tab-btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
#login-tab-buttons .tab-btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
#login-tab-buttons .tab-btn.active {
    background: #ffffff; color: var(--accent); border-color: #ffffff; font-weight: 600;
}

.auth-form {
    width: 100%; max-width: 400px; display: flex; flex-direction: column; gap: 10px;
}
.auth-form h3 { margin-top: 10px; color: rgba(255,255,255,0.9); font-size: 0.95rem; }
.auth-form .row { display: flex; gap: 10px; }
.auth-form .short { max-width: 100px; }
.hidden { display: none !important; }

.auth-form input, .auth-form select {
    background: rgba(255,255,255,0.95); color: var(--text-primary);
    border: 1px solid rgba(255,255,255,0.3);
}
.auth-form input::placeholder { color: #94a3b8; }
.auth-form input:focus { border-color: #ffffff; box-shadow: 0 0 0 2px rgba(255,255,255,0.3); }

.auth-form .btn-primary {
    background: #ffffff; color: var(--accent); font-weight: 700;
}
.auth-form .btn-primary:hover { background: #f0f4ff; }

.recovery-link {
    display: block; text-align: center; margin-top: 8px;
    color: rgba(255,255,255,0.6); font-size: 0.85rem; text-decoration: none;
}
.recovery-link:hover { color: #ffffff; }

/* ── Recovery Code Chars ─────────────────────────── */
.rc-char {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 44px; border-radius: 6px;
    background: var(--bg-secondary); border: 1px solid var(--border);
    color: var(--warning); font-family: monospace;
}
.rc-char-empty { color: var(--border); }
.rc-char-correct {
    border-color: var(--success); color: var(--success);
    background: var(--success-light);
}

/* ── Global Inputs ───────────────────────────────── */
input, select, textarea {
    padding: 12px; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-input); color: var(--text-primary); font-size: 1rem;
    width: 100%; outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
input::placeholder, textarea::placeholder { color: #94a3b8; }
input:focus, select:focus, textarea:focus {
    border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light);
}

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
    padding: 12px 24px; background: var(--accent); color: white; border: none;
    border-radius: var(--radius); font-size: 1rem; cursor: pointer;
    transition: background 0.2s; font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
    padding: 10px 20px; background: var(--bg-secondary); color: var(--text-primary);
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 0.9rem; cursor: pointer; transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-add {
    padding: 8px 16px; background: var(--accent); color: white; border: none;
    border-radius: var(--radius); cursor: pointer; font-weight: 600; font-size: 0.9rem;
}
.btn-add:hover { background: var(--accent-hover); }

.btn-danger {
    padding: 8px 16px; background: var(--danger); color: white; border: none;
    border-radius: var(--radius); cursor: pointer; font-size: 0.9rem;
}

/* ── Messages ────────────────────────────────────── */
.message { padding: 10px; border-radius: var(--radius); margin-top: 10px; text-align: center; font-size: 0.9rem; }
.message.success { background: var(--success-light); color: var(--success); }
.message.error { background: var(--danger-light); color: var(--danger); }
.message.warning { background: var(--warning-light); color: var(--warning); }

/* ── Header ──────────────────────────────────────── */
#app-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; background: var(--bg-header);
    border-bottom: none; position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 8px var(--shadow-lg);
}
.header-left { cursor: pointer; font-weight: 600; font-size: 1.1rem; color: var(--text-on-header); }
.refresh-btn, .burger-btn {
    background: none; border: none; color: var(--text-on-header);
    font-size: 1.4rem; cursor: pointer; padding: 4px 8px;
}
.refresh-btn:hover, .burger-btn:hover { color: var(--accent-light); }

#burger-menu {
    position: absolute; top: 50px; right: 16px; background: var(--bg-secondary);
    border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: 0 4px 16px var(--shadow-lg); z-index: 200; min-width: 180px;
}
#burger-menu a {
    display: block; padding: 12px 16px; color: var(--text-primary);
    text-decoration: none; transition: background 0.2s;
}
#burger-menu a:hover { background: var(--accent-light); color: var(--accent); }

/* ── Tab Navigation ──────────────────────────────── */
#tab-nav {
    display: flex; background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-light); position: sticky; top: 50px; z-index: 99;
}
#tab-nav .tab {
    flex: 1; padding: 12px 8px; border: none; background: none;
    color: var(--text-secondary); font-size: 0.9rem; cursor: pointer;
    border-bottom: 2px solid transparent; transition: all 0.2s;
}
#tab-nav .tab.active {
    color: var(--accent); border-bottom-color: var(--accent); font-weight: 600;
}

/* ── Tab Content ─────────────────────────────────── */
#tab-content { flex: 1; padding: 16px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.list-header {
    display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px;
}
.list-header h2 { font-size: 1.2rem; color: var(--text-primary); }

/* ── Cards (Kunden, Artikel, Transaktionen) ──────── */
.card {
    background: var(--bg-card); border: 1px solid var(--border-light);
    border-radius: var(--radius); padding: 14px; margin-bottom: 10px;
    cursor: pointer; transition: all 0.2s;
    box-shadow: 0 1px 3px var(--shadow);
}
.card:hover { border-color: var(--accent); box-shadow: 0 2px 8px var(--shadow); }
.card .card-title { font-weight: 600; margin-bottom: 4px; color: var(--text-primary); }
.card .card-subtitle { color: var(--text-secondary); font-size: 0.85rem; }
.card .card-badge {
    display: inline-block; padding: 2px 8px; border-radius: 12px;
    font-size: 0.75rem; font-weight: 600;
}
.badge-active { background: var(--success-light); color: var(--success); }
.badge-inactive { background: var(--danger-light); color: var(--danger); }

/* ── POS (Verkaufs-Tab) ──────────────────────────── */
#pos-area { display: flex; flex-direction: column; gap: 12px; }

/* POS Suchleiste */
.pos-search-row {
    display: flex; gap: 6px; align-items: stretch;
}
.pos-search-row input { flex: 1; }
.pos-search-btn {
    padding: 10px 14px; background: var(--accent); border: none;
    border-radius: var(--radius); cursor: pointer; font-size: 0.8rem;
    font-weight: 600; letter-spacing: 0.02em;
    transition: all 0.2s; color: #ffffff; flex-shrink: 0;
    min-height: 44px; -webkit-tap-highlight-color: transparent;
}
.pos-search-btn:hover, .pos-search-btn:active { background: var(--accent-hover); }

/* POS Live-Suchergebnisse Dropdown */
.pos-search-dropdown {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: 0 4px 16px var(--shadow-lg); z-index: 50;
    max-height: 250px; overflow-y: auto;
}
#pos-search { position: relative; }
.pos-search-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px; cursor: pointer; transition: background 0.15s;
    border-bottom: 1px solid var(--border-light);
}
.pos-search-item:last-child { border-bottom: none; }
.pos-search-item:hover, .pos-search-item.selected {
    background: var(--accent-light);
}
.pos-search-item-name { font-size: 0.9rem; font-weight: 500; }
.pos-search-item-sub { font-size: 0.75rem; color: var(--text-secondary); }
.pos-search-item-price { font-weight: 600; color: var(--accent); white-space: nowrap; }

/* Artikelkatalog im Modal */
.catalog-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 8px; max-height: 55vh; overflow-y: auto; padding: 4px 0;
}
.catalog-item {
    padding: 12px 8px; background: var(--bg-secondary); border: 1px solid var(--border-light);
    border-radius: var(--radius); color: var(--text-primary); cursor: pointer;
    text-align: center; transition: all 0.2s; font-size: 0.85rem;
    box-shadow: 0 1px 3px var(--shadow);
}
.catalog-item:hover { border-color: var(--accent); box-shadow: 0 2px 8px var(--shadow); }
.catalog-item .cat-price { color: var(--accent); font-weight: 600; margin-top: 4px; font-size: 0.9rem; }
.catalog-item .cat-stock { font-size: 0.7rem; color: var(--text-secondary); margin-top: 2px; }

/* Barcode Scanner */
#barcode-scanner-container {
    width: 100%; max-width: 400px; margin: 0 auto;
}
#barcode-scanner-container video { border-radius: var(--radius); }

#pos-cart {
    background: var(--bg-card); border: 1px solid var(--border-light);
    border-radius: var(--radius); padding: 14px;
    box-shadow: 0 1px 3px var(--shadow);
}
#pos-cart h3 { font-size: 1rem; margin-bottom: 10px; color: var(--accent); }
#pos-cart-items { max-height: 25vh; overflow-y: auto; }

.cart-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 0; border-bottom: 1px solid var(--border-light);
}
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 0.9rem; color: var(--text-primary); }
.cart-item-price { color: var(--text-secondary); font-size: 0.8rem; }
.cart-item-qty {
    display: flex; align-items: center; gap: 8px;
}
.cart-item-qty button {
    width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border);
    background: var(--bg-secondary); color: var(--text-primary); cursor: pointer;
    font-size: 1rem; display: flex; align-items: center; justify-content: center;
}
.cart-item-qty button:hover { border-color: var(--accent); color: var(--accent); }

#pos-cart-total {
    display: flex; justify-content: space-between; padding: 12px 0 0;
    font-size: 1.2rem; font-weight: 700;
}
#pos-total { color: var(--accent); }

#pos-payment { display: flex; gap: 10px; align-items: stretch; }
#pos-payment select { flex: 1; }
.btn-pay { flex: 0 0 auto; font-size: 1.1rem; padding: 14px 28px; }

/* ── Reports ─────────────────────────────────────── */
.report-section { margin-bottom: 24px; }
.report-section h2 { font-size: 1.1rem; margin-bottom: 12px; color: var(--text-primary); }

.summary-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px;
}
.summary-card {
    background: var(--bg-card); border: 1px solid var(--border-light);
    border-radius: var(--radius); padding: 14px; text-align: center;
    box-shadow: 0 1px 3px var(--shadow);
}
.summary-card .label { font-size: 0.8rem; color: var(--text-secondary); }
.summary-card .value { font-size: 1.3rem; font-weight: 700; margin-top: 4px; }
.summary-card .value.green { color: var(--success); }
.summary-card .value.red { color: var(--danger); }

/* ── Overlay ─────────────────────────────────────── */
#overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(30,58,95,0.5); z-index: 300;
    display: flex; align-items: center; justify-content: center;
    padding: 20px; backdrop-filter: blur(4px);
}
#overlay-content {
    background: var(--bg-overlay); border: 1px solid var(--border);
    border-radius: 12px; padding: 24px;
    width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto;
    box-shadow: 0 8px 32px var(--shadow-lg);
}
#overlay-content h2 { color: var(--accent); margin-bottom: 16px; font-size: 1.2rem; }
#overlay-content form { display: flex; flex-direction: column; gap: 10px; }
#overlay-content .row { display: flex; gap: 10px; }
#overlay-content .short { max-width: 100px; }
.overlay-buttons { display: flex; gap: 10px; margin-top: 16px; }
.overlay-buttons button { flex: 1; }

.close-btn {
    float: right; background: none; border: none; color: var(--text-secondary);
    font-size: 1.5rem; cursor: pointer; line-height: 1;
}
.close-btn:hover { color: var(--accent); }

/* ── Password Toggle ─────────────────────────────── */
.pw-field {
    position: relative; display: flex; align-items: center;
}
.pw-field input { padding-right: 44px; }
.pw-toggle {
    position: absolute; right: 8px; background: none; border: none;
    color: var(--text-secondary); font-size: 1.2rem; cursor: pointer;
    padding: 4px 8px; line-height: 1;
}
.pw-toggle:hover { color: var(--accent); }

/* ── Cart Header & Actions ───────────────────────── */
.cart-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 10px;
}
.cart-header h3 { font-size: 1rem; color: var(--accent); margin: 0; }
.cart-actions { display: flex; gap: 6px; }
.btn-cart-action {
    background: none; border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--text-secondary); cursor: pointer; padding: 4px 8px;
    font-size: 1rem; position: relative; transition: all 0.2s;
}
.btn-cart-action:hover { border-color: var(--accent); color: var(--accent); }
.saved-badge {
    position: absolute; top: -6px; right: -6px;
    background: var(--accent); color: white; font-size: 0.65rem;
    width: 16px; height: 16px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-weight: 700;
}

/* ── Discount Row ────────────────────────────────── */
#pos-discount-row {
    display: flex; align-items: center; gap: 8px; padding: 8px 0;
    border-top: 1px solid var(--border-light);
}
#pos-discount-row label {
    font-size: 0.85rem; color: var(--text-secondary); white-space: nowrap;
}
#pos-discount {
    width: 70px; padding: 6px 8px; font-size: 0.9rem;
}
#pos-discount-info {
    font-size: 0.85rem; color: var(--warning);
}

/* ── Article Margin Info ─────────────────────────── */
.margin-info {
    font-size: 0.85rem; padding: 6px 0; line-height: 1.4;
}

/* ── Price Toggle ────────────────────────────────── */
.price-toggle {
    display: flex; align-items: center;
}
.toggle-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.85rem; color: var(--text-secondary); cursor: pointer;
}
.toggle-label input[type="checkbox"] {
    width: auto; margin: 0; accent-color: var(--accent);
}

/* ── Field Labels ────────────────────────────────── */
.field-label {
    font-size: 0.8rem; color: var(--accent); font-weight: 600;
    margin-bottom: 2px; margin-top: 4px; display: block;
}

/* ── Article Search ──────────────────────────────── */
#article-search-bar {
    margin-bottom: 12px;
}

/* ── Stock Button ────────────────────────────────── */
.stock-btn {
    padding: 10px 16px; background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text-primary); cursor: pointer;
    font-size: 0.9rem; width: 100%; text-align: left; transition: all 0.2s;
}
.stock-btn:hover { border-color: var(--accent); color: var(--accent); }
.stock-btn .stock-value { color: var(--accent); font-weight: 600; }

/* ── Low Stock Warning ───────────────────────────── */
.low-stock-warn {
    color: var(--warning); font-weight: 600; font-size: 0.8rem;
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 480px) {
    #pos-article-list { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    .summary-grid { grid-template-columns: 1fr; }
    .login-container h1 { font-size: 2rem; }
}