/* Modern UI stylesheet for Zeiterfassung */

:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  
  /* Color Palette - Light Mode */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-header: rgba(255, 255, 255, 0.85);
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --primary-text: #ffffff;
  
  --secondary: #475569;
  --secondary-hover: #334155;
  --secondary-light: #f1f5f9;
  
  --success: #059669;
  --success-light: #ecfdf5;
  --success-text: #065f46;
  
  --warning: #d97706;
  --warning-light: #fffbeb;
  --warning-text: #92400e;
  
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --danger-light: #fef2f2;
  --danger-text: #991b1b;
  
  --border-color: #e2e8f0;
  --border-muted: #f1f5f9;
  --ring-color: rgba(79, 70, 229, 0.25);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Override Pico CSS variables */
  --pico-font-family: var(--font-sans);
  --pico-font-size: 100% !important;
  --pico-background-color: var(--bg-app);
  --pico-color: var(--text-main);
  --pico-muted-color: var(--text-muted);
  --pico-border-color: var(--border-color);
  --pico-muted-border-color: var(--border-muted);
  --pico-primary: var(--primary);
  --pico-primary-background: var(--primary);
  --pico-primary-hover-background: var(--primary-hover);
  --pico-primary-underline: transparent;
  --pico-border-radius: var(--radius-md);
  --pico-card-background-color: var(--bg-surface);
  --pico-card-border-color: var(--border-color);
  --pico-card-box-shadow: var(--shadow-sm);
  --pico-ins-color: var(--success);
  --pico-del-color: var(--danger);
  --pico-mark-background-color: var(--warning-light);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-app: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-hover: #334155;
    --bg-header: rgba(30, 41, 59, 0.85);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --primary-light: rgba(99, 102, 241, 0.15);
    --primary-text: #ffffff;
    
    --secondary: #475569;
    --secondary-hover: #64748b;
    --secondary-light: #334155;
    
    --success: #34d399;
    --success-light: rgba(52, 211, 153, 0.15);
    --success-text: #a7f3d0;
    
    --warning: #fbbf24;
    --warning-light: rgba(251, 191, 36, 0.15);
    --warning-text: #fde68a;
    
    --danger: #f87171;
    --danger-hover: #ef4444;
    --danger-light: rgba(248, 113, 113, 0.15);
    --danger-text: #fca5a5;
    
    --border-color: #334155;
    --border-muted: #1e293b;
    --ring-color: rgba(99, 102, 241, 0.4);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  }
}

/* Base resets & layouts */
body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Header & Nav */
body > header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

nav.main {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav.main ul {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  color: #fff;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.3);
}

nav.main a:not(.brand-link) {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

nav.main a:not(.brand-link):hover {
  color: var(--text-main);
  background-color: var(--bg-surface-hover);
}

nav.main a[aria-current="page"] {
  color: var(--primary);
  background-color: var(--primary-light);
  font-weight: 600;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-logout {
  padding: 0.4rem 0.85rem !important;
  font-size: 0.85rem !important;
  border-radius: var(--radius-md) !important;
  background-color: transparent !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-muted) !important;
  cursor: pointer;
  transition: all 0.15s ease !important;
}

.btn-logout:hover {
  background-color: var(--danger-light) !important;
  color: var(--danger-text) !important;
  border-color: var(--danger) !important;
}

/* Main Container */
body > main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  box-sizing: border-box;
}

/* Page titles */
h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-top: 0;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-main);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

/* Cards & Articles */
article, .card-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

/* Grid layout for Dashboard */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--border-color);
}

.stat-card.primary::before { background: var(--primary); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.info::before { background: #3b82f6; }

.stat-card .stat-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.stat-card .stat-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.stat-card .stat-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0.5rem 0;
  line-height: 1;
}

.stat-card .stat-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.stat-card .stat-action {
  align-self: flex-start;
  margin-top: auto;
}

/* Tables */
.table-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
  margin: 0;
}

thead th {
  background-color: var(--bg-surface-hover);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.1s ease;
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:hover {
  background-color: var(--bg-surface-hover);
}

td {
  padding: 0.85rem 1rem;
  color: var(--text-main);
  vertical-align: middle;
}

/* Badges & Tags */
.badge-manuell {
  display: inline-flex;
  align-items: center;
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--warning-light);
  color: var(--warning-text);
  border: 1px solid rgba(217, 119, 6, 0.2);
}

.badge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 0.4rem;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.775rem;
}

/* Form Controls */
form {
  margin-bottom: 1.5rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 1rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="file"],
select {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}

input:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--ring-color);
}

button, [role="button"], a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background-color: var(--primary);
  color: var(--primary-text);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  line-height: 1.25;
}

button:hover, [role="button"]:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

button:active, [role="button"]:active {
  transform: translateY(0);
}

button.secondary, [role="button"].secondary {
  background-color: var(--secondary-light);
  color: var(--secondary-hover);
  border-color: var(--border-color);
}

button.secondary:hover, [role="button"].secondary:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-main);
}

button.outline, [role="button"].outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

button.outline:hover, [role="button"].outline:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--text-muted);
}

button.contrast, [role="button"].contrast {
  background-color: var(--secondary);
  color: #ffffff;
}

button.contrast:hover, [role="button"].contrast:hover {
  background-color: var(--secondary-hover);
}

/* Icon Buttons in tables */
.row-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.row-actions form {
  margin: 0;
  display: inline-flex;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  text-decoration: none;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.icon-btn.danger:hover {
  background-color: var(--danger-light);
  color: var(--danger);
  border-color: var(--danger);
}

.icon-btn-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  text-decoration: none;
  transition: all 0.15s ease;
}

.icon-btn-sm:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.icon-btn-sm.danger:hover {
  background-color: var(--danger-light);
  color: var(--danger);
  border-color: var(--danger);
}

/* Filter Card / Form */
.filter-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.filter-form {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.filter-form label {
  margin-bottom: 0;
  flex: 1 1 180px;
}

.filter-form input, .filter-form select {
  margin-bottom: 0;
  width: 100%;
}

.filter-form .filter-actions {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}

.filter-form button, .filter-form [role="button"] {
  margin-bottom: 0;
  white-space: nowrap;
}

/* Flash & Alerts */
.flash-success, .alert-success {
  background-color: var(--success-light);
  color: var(--success-text);
  border: 1px solid rgba(5, 150, 105, 0.2);
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-weight: 500;
}

.flash-error, .alert-error {
  background-color: var(--danger-light);
  color: var(--danger-text);
  border: 1px solid rgba(220, 38, 38, 0.2);
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-weight: 500;
}

/* Assign form */
.assign-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0;
  align-items: center;
}

.assign-form select, .assign-form input {
  margin: 0;
}

.assign-form button {
  margin: 0;
  white-space: nowrap;
}

.new-person-btn {
  font-size: 0.825rem !important;
  padding: 0.4rem 0.75rem !important;
}

/* Dialog & Modal */
dialog {
  border: none;
  background: transparent;
  padding: 0;
  max-width: 500px;
  width: 90%;
}

dialog::backdrop {
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

dialog article {
  margin: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
}

dialog header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 1.1rem;
}

dialog header .close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

dialog header .close:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-main);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.25rem 0;
  padding: 0.75rem 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.pagination-group {
  display: flex;
  gap: 0.5rem;
}

.pagination [role="button"], .pagination button {
  margin-bottom: 0;
  white-space: nowrap;
  padding: 0.35rem 0.75rem;
  font-size: 0.825rem;
}

/* Footer */
.app-footer {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  margin-top: auto;
  font-size: 0.85rem;
}

/* Times list */
.zeiten-zeile {
  white-space: normal;
  line-height: 1.8;
  margin-bottom: 0.25rem;
}

.zeiten-label {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.825rem;
  margin-right: 0.5rem;
}

.zeit-eintrag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
  margin-right: 0.6rem;
  padding: 0.15rem 0.4rem;
  background-color: var(--bg-surface-hover);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.zeit-eintrag form {
  margin: 0;
  display: inline-flex;
}