/* === RECHNUNGSPROGRAMM - Solarzentrum Pulheim === */
/* === Premium Dark Mode Dashboard === */

:root {    
    --bg-primary: #0f1117; --bg-secondary: #1a1d27; --bg-card: #1e2130;
    --bg-card-hover: #252839; --bg-input: #151822; --bg-sidebar: #141720;
    --text-primary: #e8eaf0; --text-secondary: #8b8fa3; --text-muted: #5a5e72; --text-heading: #fff;
    --accent-primary: #f5c542; --accent-primary-hover: #e0b035;
    --accent-primary-glow: rgba(245,197,66,0.15); --accent-secondary: #3b82f6;
    --accent-green: #22c55e; --accent-red: #ef4444; --accent-orange: #f97316; --accent-purple: #a855f7;
    --border-color: #2a2d3a; --border-light: #1e2130;
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4); --shadow-glow: 0 0 20px rgba(245,197,66,0.1);
    --sidebar-width: 260px; --sidebar-collapsed: 70px; --topbar-height: 64px;
    --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px;
    --transition-fast: 0.15s ease; --transition-normal: 0.25s ease;
}

/* Light Mode */
body.light-mode {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f3f6;
    --bg-input: #ffffff;
    --bg-sidebar: #ffffff;

    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --text-heading: #111827;

    --border-color: #d1d5db;
    --border-light: #e5e7eb;

    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-glow: 0 0 20px rgba(245,197,66,0.15);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;display:flex;min-height:100vh;overflow-x:hidden}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}
h1,h2,h3,h4{color:var(--text-heading);font-weight:600;line-height:1.3}
a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--accent-primary-hover)}
.text-right{text-align:right}.text-center{text-align:center}.text-muted{color:var(--text-muted)}
.font-mono{font-family:'JetBrains Mono','Fira Code',monospace;font-size:0.9em}

/* === Sidebar === */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;z-index:100;transition:width var(--transition-normal)}
.sidebar.collapsed{width:var(--sidebar-collapsed)}
.sidebar.collapsed .logo-text,.sidebar.collapsed .sidebar-nav span,.sidebar.collapsed .company-badge span{display:none}
.sidebar-header{padding:20px;border-bottom:1px solid var(--border-color)}
.sidebar-logo{display:flex;align-items:center;gap:12px}
.logo-icon{font-size:1.6rem;color:var(--accent-primary);animation:spin-slow 10s linear infinite}
@keyframes spin-slow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
.logo-text{font-size:1.2rem;font-weight:700;color:var(--text-heading);white-space:nowrap}
.sidebar-nav{list-style:none;padding:16px 12px;flex:1}
.sidebar-nav li{margin-bottom:4px}
.nav-link{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);font-weight:500;font-size:0.95rem}
.nav-link:hover{background:var(--accent-primary-glow);color:var(--accent-primary)}
.nav-link.active{background:linear-gradient(135deg,rgba(245,197,66,0.15),rgba(245,197,66,0.05));color:var(--accent-primary);box-shadow:inset 3px 0 0 var(--accent-primary)}
.nav-link i{width:20px;text-align:center;font-size:1.05rem}
.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border-color)}
.company-badge{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:0.8rem}

/* === Main Content === */
.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;transition:margin-left var(--transition-normal)}
.main-content.expanded{margin-left:var(--sidebar-collapsed)}
/*.topbar{position:sticky;top:0;height:var(--topbar-height);background:rgba(15,17,23,0.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);display:flex;align-items:center;padding:0 28px;gap:16px;z-index:50} */
.topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-height);
    background: var(--bg-secondary);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    z-index: 50;
}
.sidebar-toggle{background:none;border:none;color:var(--text-secondary);font-size:1.1rem;cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all var(--transition-fast)}
.sidebar-toggle:hover{color:var(--accent-primary);background:var(--accent-primary-glow)}
.page-title{font-size:1.3rem;font-weight:600;flex:1}
.topbar-actions{display:flex;gap:10px}
.content-wrapper{padding:24px 28px}

/* === Main Button Dark Mode === */
.theme-switch {
    padding: 15px;
    border-top: 1px solid var(--border-color);
}

.theme-switch button {
    width: 100%;
    justify-content: center;
}

/* === Alerts === */
.messages-container{padding:16px 28px 0}
.alert{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--radius-md);margin-bottom:10px;font-size:0.9rem;transition:all 0.3s ease;animation:slideDown 0.3s ease}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
.alert-success{background:rgba(34,197,94,0.1);border:1px solid rgba(34,197,94,0.2);color:var(--accent-green)}
.alert-error{background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.2);color:var(--accent-red)}
.alert-warning{background:rgba(249,115,22,0.1);border:1px solid rgba(249,115,22,0.2);color:var(--accent-orange)}
.alert-close{margin-left:auto;background:none;border:none;color:inherit;cursor:pointer;padding:4px;opacity:0.6}
.alert-close:hover{opacity:1}

/* === Cards === */
.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);margin-bottom:20px;overflow:hidden;transition:box-shadow var(--transition-normal)}
.card:hover{box-shadow:var(--shadow-md)}
.card-header{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--border-color);background:rgba(255,255,255,0.02)}
.card-header h2{font-size:1.05rem;display:flex;align-items:center;gap:10px}
.card-header h2 i{color:var(--accent-primary)}
.card-body{padding:20px 24px}

/* === Stats === */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:center;gap:16px;transition:all var(--transition-normal)}
.stat-card:hover{border-color:var(--accent-primary);box-shadow:var(--shadow-glow);transform:translateY(-2px)}
.stat-icon{width:50px;height:50px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#fff}
.stat-value{display:block;font-size:1.6rem;font-weight:700;color:var(--text-heading)}
.stat-label{display:block;font-size:0.8rem;color:var(--text-muted);margin-top:2px}

/* === Filter === */
.filter-bar{margin-bottom:20px}
.filter-form{display:flex;gap:12px;align-items:center}
.search-box{position:relative;flex:1}
.search-box i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted)}
.search-input{width:100%;padding:12px 14px 12px 42px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:0.9rem;transition:all var(--transition-fast)}
.search-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}
.filter-select{min-width:160px}
/* === Buttons === */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-md);font-family:inherit;font-size:0.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-primary-hover));color:#1a1a1a;box-shadow:0 2px 8px rgba(245,197,66,0.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(245,197,66,0.35);color:#1a1a1a}
.btn-secondary{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary)}
.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--accent-primary);color:var(--text-heading)}
.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}
.btn-ghost:hover{background:var(--bg-card);color:var(--text-primary)}
.btn-danger{background:linear-gradient(135deg,var(--accent-red),#dc2626);color:#fff}
.btn-danger:hover{box-shadow:0 4px 16px rgba(239,68,68,0.3);transform:translateY(-1px)}
.btn-sm{padding:6px 14px;font-size:0.82rem}
.btn-lg{padding:14px 28px;font-size:1rem}
.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);text-decoration:none;font-size:0.85rem}
.btn-preview:hover{background:rgba(59,130,246,0.1);color:var(--accent-secondary)}
.btn-download:hover{background:rgba(34,197,94,0.1);color:var(--accent-green)}
.btn-edit:hover{background:rgba(245,197,66,0.1);color:var(--accent-primary)}
.btn-duplicate:hover{background:rgba(168,85,247,0.1);color:var(--accent-purple)}
.btn-delete:hover,.btn-delete-row:hover{background:rgba(239,68,68,0.1);color:var(--accent-red)}

/* === Data Table === */
.table-responsive{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:0.9rem}
.data-table thead th{padding:12px 16px;font-weight:600;font-size:0.78rem;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-muted);border-bottom:1px solid var(--border-color);text-align:left;white-space:nowrap}
.data-table tbody tr{transition:background var(--transition-fast)}
.data-table tbody tr:hover{background:rgba(245,197,66,0.03)}
.data-table td{padding:14px 16px;border-bottom:1px solid var(--border-light);vertical-align:middle}
.action-buttons{display:flex;gap:2px;justify-content:center}

/* === Badges === */
.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.3px}
.badge-rechnung{background:rgba(59,130,246,0.15);color:var(--accent-secondary)}
.badge-angebot{background:rgba(245,197,66,0.15);color:var(--accent-primary)}
.badge-auftrag,.badge-auftragsbestätigung{background:rgba(34,197,94,0.15);color:var(--accent-green)}
.badge-gutschrift{background:rgba(168,85,247,0.15);color:var(--accent-purple)}
.badge-lieferschein{background:rgba(249,115,22,0.15);color:var(--accent-orange)}

/* === Forms === */
.form-control{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:0.9rem;transition:all var(--transition-fast)}
.form-control:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}
.form-control::placeholder{color:var(--text-muted)}
select.form-control{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b8fa3' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
textarea.form-control{resize:vertical;min-height:60px}
.form-control-sm{padding:7px 10px;font-size:0.85rem}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:0.82rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}
.form-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.form-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.form-check-group{display:flex;flex-direction:column}
.form-check-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:0.9rem;color:var(--text-primary)}
.form-check-input{width:18px;height:18px;accent-color:var(--accent-primary);cursor:pointer}
.form-help{display:block;font-size:0.78rem;color:var(--text-muted);margin-top:4px}
.field-error{color:var(--accent-red);font-size:0.8rem;margin-top:4px}
.lfd-nr-warning{padding:6px 10px;background:rgba(249,115,22,0.1);border:1px solid rgba(249,115,22,0.2);border-radius:var(--radius-sm);color:var(--accent-orange);font-size:0.8rem;margin-top:6px;animation:slideDown 0.2s ease}

/* === Autocomplete === */
.autocomplete-container{background:var(--bg-card-hover);border:1px solid var(--accent-primary);border-radius:var(--radius-md);margin-bottom:16px;overflow:hidden;animation:slideDown 0.2s ease}
.autocomplete-header{padding:10px 16px;font-size:0.82rem;color:var(--accent-primary);border-bottom:1px solid var(--border-color);font-weight:600}
.autocomplete-list{max-height:200px;overflow-y:auto}
.autocomplete-item{padding:10px 16px;cursor:pointer;transition:background var(--transition-fast);font-size:0.88rem;border-bottom:1px solid var(--border-light)}
.autocomplete-item:hover{background:var(--accent-primary-glow)}
.autocomplete-item:last-child{border-bottom:none}
.autocomplete-item strong{color:var(--accent-primary)}

/* === Positions Table === */
.positions-table-wrapper{overflow-x:auto;margin-bottom:20px}
.positions-table{width:100%;border-collapse:collapse}
.positions-table thead th{padding:10px 8px;font-weight:600;font-size:0.78rem;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-muted);border-bottom:2px solid var(--border-color);text-align:left;white-space:nowrap}
.positions-table tbody td{padding:4px;vertical-align:top}
.col-pos{width:70px}.col-menge{width:90px}.col-einheit{width:90px}
.col-bezeichnung{min-width:250px}.col-epreis{width:110px}
.col-gpreis{width:110px;text-align:right}.col-actions{width:40px;text-align:center}
.gpreis-display{display:block;padding:8px 10px;font-family:'JetBrains Mono','Fira Code',monospace;font-size:0.9rem;color:var(--accent-primary);font-weight:600;text-align:right}
.position-row.deleted{display:none !important}

/* === Totals === */
.totals-section{display:flex;flex-direction:column;align-items:flex-end;gap:8px;padding:20px 0;border-top:2px solid var(--border-color)}
.totals-row{display:flex;gap:24px;align-items:center;font-size:0.95rem}
.totals-label{color:var(--text-secondary);min-width:180px;text-align:right}
.totals-value{font-family:'JetBrains Mono','Fira Code',monospace;font-weight:600;min-width:120px;text-align:right;color:var(--text-primary)}
.total-row{padding-top:12px;border-top:2px solid var(--accent-primary);margin-top:4px}
.total-row .totals-label{font-weight:700;color:var(--text-heading);font-size:1.05rem}
.total-row .totals-value{color:var(--accent-primary);font-size:1.15rem}

/* === Form Actions === */
.form-actions{display:flex;justify-content:space-between;align-items:center;padding:20px 0;gap:12px}
.form-actions-right{display:flex;gap:10px}

/* === Empty/Delete State === */
.empty-state{text-align:center;padding:60px 20px}
.empty-icon{font-size:3.5rem;color:var(--text-muted);margin-bottom:16px;opacity:0.5}
.empty-state h3{color:var(--text-secondary);margin-bottom:8px}
.empty-state p{color:var(--text-muted);margin-bottom:24px}
.delete-card{max-width:500px;margin:40px auto}
.delete-icon{font-size:3rem;color:var(--accent-red);margin-bottom:16px}
.delete-message{color:var(--text-secondary);margin-bottom:8px}
.delete-details{color:var(--text-muted);font-size:0.85rem;margin-bottom:24px}
.delete-actions{display:flex;gap:12px;justify-content:center}

/* === Responsive === */
@media(max-width:1024px){.form-grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
    .sidebar{width:var(--sidebar-collapsed)}
    .sidebar .logo-text,.sidebar .sidebar-nav span,.sidebar .company-badge span{display:none}
    .main-content{margin-left:var(--sidebar-collapsed)}
    .form-grid-2,.form-grid-3,.form-grid-4{grid-template-columns:1fr}
    .filter-form{flex-direction:column}
    .topbar{padding:0 16px}.content-wrapper{padding:16px}
}