/* ==========================================================================
   DRYONIX HandwerkPilot - Design System & Modern Business Stylesheet
   ========================================================================== */

:root {
  --primary: #1e40af;         /* DRYONIX Deep Blue */
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --accent: #0284c7;          /* DRYONIX Cyan Accent */
  --accent-light: #e0f2fe;
  
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;      /* Dark Slate */
  --sidebar-hover: #1e293b;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #0ea5e9;
  --info-bg: #f0f9ff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.08);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
  width: 270px;
  background-color: var(--bg-sidebar);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  z-index: 100;
}

.sidebar-brand {
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  height: 38px;
  max-width: 160px;
  object-fit: contain;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  flex-direction: column;
}

.brand-sub {
  font-size: 0.7rem;
  color: #38bdf8;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.sidebar-menu {
  list-style: none;
  padding: 1rem 0.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.menu-category {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: #64748b;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 0.75rem 0.75rem 0.25rem;
}

.menu-item a {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.85rem;
  color: #cbd5e1;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  font-weight: 500;
  transition: all 0.15s ease;
}

.menu-item a:hover {
  background-color: var(--sidebar-hover);
  color: #ffffff;
}

.menu-item.active a {
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
}

.menu-item svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  opacity: 0.85;
}

.sidebar-user {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #f1f5f9;
}

.user-role {
  font-size: 0.7rem;
  color: #38bdf8;
}

.btn-logout {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 4px;
}
.btn-logout:hover {
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.1);
}

/* Main Area */
.app-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

.top-navbar {
  height: 64px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-main);
  min-width: 44px;
  min-height: 44px;
  flex: 0 0 44px;
  z-index: 120;
}

.page-title-box h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.page-title-box p {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.content-container {
  padding: 2rem;
  flex-grow: 1;
}

/* Flash Messages */
.flash-container {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alert {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid transparent;
}
.alert-success { background-color: var(--success-bg); color: #065f46; border-color: #a7f3d0; }
.alert-warning { background-color: var(--warning-bg); color: #92400e; border-color: #fde68a; }
.alert-danger  { background-color: var(--danger-bg);  color: #991b1b; border-color: #fecaca; }
.alert-info    { background-color: var(--info-bg);    color: #075985; border-color: #bae6fd; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: #f1f5f9;
}

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
}
.btn-accent:hover {
  background-color: #0369a1;
}

.btn-success {
  background-color: var(--success);
  color: #ffffff;
}
.btn-success:hover {
  background-color: #059669;
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}
.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* Cards & Grid */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.card-header {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #ffffff;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.card-body {
  padding: 1.5rem;
}

/* KPI Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.metric-sub {
  font-size: 0.785rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.metric-profit {
  border-left: 5px solid #2563eb;
}
.metric-tax {
  border-left: 5px solid #f59e0b;
}
.metric-available {
  border-left: 5px solid #10b981;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

.data-table th {
  background-color: #f8fafc;
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: #f8fafc;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.badge-success { background-color: var(--success-bg); color: #065f46; border: 1px solid #a7f3d0; }
.badge-warning { background-color: var(--warning-bg); color: #92400e; border: 1px solid #fde68a; }
.badge-danger  { background-color: var(--danger-bg);  color: #991b1b; border: 1px solid #fecaca; }
.badge-info    { background-color: var(--info-bg);    color: #075985; border: 1px solid #bae6fd; }
.badge-neutral { background-color: #f1f5f9;           color: #475569; border: 1px solid #cbd5e1; }

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--text-main);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-row {
  display: flex;
  gap: 1rem;
}
.form-col {
  flex: 1;
}

/* Digital Signature Pad */
.signature-box {
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-md);
  background-color: #ffffff;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.signature-canvas {
  width: 100%;
  height: 180px;
  background-color: #ffffff;
  touch-action: none;
  cursor: crosshair;
}

/* Steuerrücklage Widget */
.tax-widget {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.5rem;
}

.tax-widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.tax-widget-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: var(--radius-sm);
}

.tax-widget-val {
  font-size: 1.5rem;
  font-weight: 800;
}
.tax-widget-lbl {
  font-size: 0.75rem;
  opacity: 0.85;
  text-transform: uppercase;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
}

.modal-content {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  width: 90%;
  max-width: 650px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-body {
  padding: 1.5rem;
}

/* Responsive */
@media (max-width: 992px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
  }
  .app-sidebar.show {
    transform: translateX(0);
  }
  .nav-toggle-btn {
    display: inline-flex;
  }
  .top-navbar {
    padding: 0 1rem;
  }
  .content-container {
    padding: 1rem;
  }
  .tax-widget-numbers {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

/* Navigation: Schaltflaeche bleibt sichtbar; Sidebar klappt auf kleinen Geraeten ein. */
@media (min-width: 993px) {
  .nav-toggle-btn { display: inline-flex; }
}
@media (max-width: 992px) {
  .app-sidebar { width: min(270px, 85vw); position: fixed; left: 0; top: 0; bottom: 0; height: 100vh; overflow-y: auto; }
  .app-sidebar.show { box-shadow: 0 0 0 100vmax rgba(15,23,42,.45); }
  .app-main { width: 100%; min-width: 0; }
}