/* 
   Project & Employee Manager CSS Design System
   Theme: Premium Light Slate with Indigo/Emerald accents
*/

:root {
  --bg-app: #f8fafc; /* Slate 50 */
  --bg-card: #ffffff;
  --bg-modal: #ffffff;
  --bg-navbar: rgba(255, 255, 255, 0.85);
  --bg-input: #f8fafc;
  --border-color: #e2e8f0; /* Slate 200 */
  --text-main: #0f172a; /* Slate 900 */
  --text-muted: #64748b; /* Slate 500 */
  
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  
  --primary-accent: #4f46e5;
  --success-accent: #10b981;
  --danger-accent: #ef4444;
  --info-accent: #0ea5e9;
  --warning-accent: #f59e0b;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Background Utility Classes */
.bg-dark-slate {
  background-color: var(--bg-app) !important;
}
.bg-navbar {
  background-color: var(--bg-navbar) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.bg-modal {
  background-color: var(--bg-modal) !important;
}
.bg-dark-input {
  background-color: var(--bg-input) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-main) !important;
}

/* Text Accent Colors */
.text-gradient-primary {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-success-light {
  color: #059669 !important;
}
.text-danger-light {
  color: #dc2626 !important;
}
.text-primary-light {
  color: #4f46e5 !important;
}
.text-light {
  color: var(--text-main) !important;
}
.text-muted {
  color: var(--text-muted) !important;
}

/* Card Styling */
.card-custom {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card-custom:hover {
  border-color: #cbd5e1;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

/* Login Card Glow */
.login-card {
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08) !important;
}
.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-gradient);
}

/* Buttons Styling */
.btn-primary-gradient {
  background: var(--primary-gradient);
  border: none;
  transition: opacity 0.2s ease, transform 0.1s ease;
}
.btn-primary-gradient:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}
.btn-primary-gradient:active {
  transform: translateY(0);
}

.btn-success-custom {
  background: var(--success-gradient);
  border: none;
  color: white;
  transition: opacity 0.2s ease, transform 0.1s ease;
}
.btn-success-custom:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: white;
}
.btn-success-custom:active {
  transform: translateY(0);
}

.btn-xs {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
}

/* Table Custom Styling */
.table-header-custom {
  background-color: #f1f5f9 !important; /* Slate 100 */
  color: var(--text-muted) !important;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color) !important;
}
.table-hover tbody tr:hover {
  background-color: rgba(79, 70, 229, 0.05) !important;
  cursor: pointer;
}
.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(248, 250, 252, 0.5);
}
.table-striped tbody tr:nth-of-type(even) {
  background-color: #ffffff;
}
.table-sm-custom th, .table-sm-custom td {
  padding: 10px 8px;
  font-size: 0.875rem;
}
.table {
  color: var(--text-main) !important;
}

/* Badges styling */
.badge-custom {
  font-weight: 500;
  padding: 0.35em 0.65em;
  border-radius: 6px;
}
.badge-completed {
  background-color: rgba(16, 185, 129, 0.1);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-inprogress {
  background-color: rgba(245, 158, 11, 0.1);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.2);
}
.badge-draft {
  background-color: rgba(100, 116, 139, 0.1);
  color: #475569;
  border: 1px solid rgba(100, 116, 139, 0.2);
}
.badge-suspended {
  background-color: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Nav Pills Custom */
.nav-pills .nav-link {
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.nav-pills .nav-link.active {
  background: var(--primary-gradient) !important;
  color: white !important;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}
.nav-pills .nav-link:not(.active):hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--text-main) !important;
}

/* Drag & Drop File Zone */
.csv-upload-zone {
  background-color: var(--bg-app);
  cursor: pointer;
  border: 2px dashed #cbd5e1 !important;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.csv-upload-zone:hover, .csv-upload-zone.dragover {
  border-color: var(--primary-accent) !important;
  background-color: rgba(79, 70, 229, 0.05);
}

/* Progress bar custom */
.progress-custom {
  height: 6px;
  border-radius: 3px;
}

/* Form Inputs custom styling */
.form-control, .form-select {
  background-color: #ffffff;
  color: var(--text-main);
  border: 1px solid #cbd5e1;
}
.form-control:focus, .form-select:focus {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.25);
}
.form-control::placeholder {
  color: #94a3b8;
}

/* Extra font sizes */
.fs-7 {
  font-size: 0.8rem;
}
.fs-8 {
  font-size: 0.72rem;
}
.font-monospace {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !important;
}

/* Adjustments for light mode styling */
.bg-info-subtle {
  background-color: rgba(14, 165, 233, 0.1) !important;
}
.bg-primary-subtle {
  background-color: rgba(79, 70, 229, 0.1) !important;
}
.bg-danger-subtle {
  background-color: rgba(239, 68, 68, 0.1) !important;
}
.bg-success-subtle {
  background-color: rgba(16, 185, 129, 0.1) !important;
}
.bg-secondary-subtle {
  background-color: rgba(100, 116, 139, 0.1) !important;
}

.border-secondary {
  border-color: var(--border-color) !important;
}
.text-white {
  color: var(--text-main) !important;
}
.navbar-light .navbar-nav .nav-link {
  color: var(--text-muted);
}
.navbar-light .navbar-nav .nav-link:hover {
  color: var(--text-main);
}
.navbar-light .navbar-brand {
  color: var(--text-main) !important;
}
.btn-outline-light {
  color: var(--text-main);
  border-color: #cbd5e1;
}
.btn-outline-light:hover {
  background-color: #f1f5f9;
  color: var(--text-main);
  border-color: #cbd5e1;
}
.btn-close-white {
  filter: none; /* Keep standard close icon */
}
.bg-dark {
  background-color: #e2e8f0 !important; /* progress track in light mode */
}

/* Sortable column header styling */
th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  transition: background-color 0.2s ease, color 0.2s ease;
}
th.sortable:hover {
  background-color: rgba(79, 70, 229, 0.08) !important;
  color: var(--primary-accent) !important;
}
th.sortable .sort-icon {
  margin-left: 6px;
  font-size: 0.8rem;
  color: #cbd5e1;
  transition: color 0.2s ease;
}
th.sortable:hover .sort-icon {
  color: var(--primary-accent);
}
th.sortable.sorted-asc .sort-icon,
th.sortable.sorted-desc .sort-icon {
  color: var(--primary-accent);
}

/* ==========================================================================
   GANTT CHART CUSTOM COMPONENT STYLING
   ========================================================================== */

.gantt-chart-wrapper {
  display: flex;
  flex-direction: column;
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

.gantt-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  position: relative;
}

@media (max-width: 991.98px) {
  .gantt-grid {
    grid-template-columns: 240px 1fr;
  }
}

/* Sidebar tasks list */
.gantt-sidebar {
  border-right: 1px solid var(--border-color);
  background-color: #f8fafc;
  z-index: 10;
}

.gantt-sidebar-header {
  height: 55px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--border-color);
  background-color: #f1f5f9;
}

.gantt-sidebar-row {
  height: 65px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  box-sizing: border-box;
}

.gantt-sidebar-row:last-child {
  border-bottom: none;
}

/* Timeline grid & container */
.gantt-timeline-container {
  overflow-x: auto;
  position: relative;
  background-color: #ffffff;
}

.gantt-timeline {
  min-width: 900px;
  position: relative;
  height: 100%;
}

/* Header Month labels */
.gantt-header {
  height: 55px;
  display: flex;
  border-bottom: 2px solid var(--border-color);
  background-color: #f1f5f9;
}

.gantt-header-month {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-main);
  border-right: 1px solid var(--border-color);
  box-sizing: border-box;
  text-align: center;
}

.gantt-header-month:last-child {
  border-right: none;
}

/* Vertical dashed separator lines in background */
.gantt-grid-overlay {
  position: absolute;
  top: 55px;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  display: flex;
  z-index: 1;
}

.gantt-grid-column {
  height: 100%;
  border-right: 1px dashed var(--border-color);
  box-sizing: border-box;
}

.gantt-grid-column:last-child {
  border-right: none;
}

/* Horizontal Gantt task rows */
.gantt-row {
  height: 65px;
  position: relative;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  box-sizing: border-box;
  z-index: 2;
}

.gantt-row:last-child {
  border-bottom: none;
}

/* Floating Gantt Bar */
.gantt-bar-wrapper {
  position: absolute;
  height: 100%;
  display: flex;
  align-items: center;
}

.gantt-bar {
  width: 100%;
  height: 24px;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease;
}

.gantt-bar:hover {
  transform: scaleY(1.15);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.gantt-bar-fill {
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 12px 0 0 12px;
  opacity: 0.95;
}

/* Color schemas for Sviluppo vs Collaudo */
.gantt-bar-sviluppo {
  background-color: rgba(79, 70, 229, 0.12);
  border: 1px solid rgba(79, 70, 229, 0.25);
}

.gantt-bar-sviluppo .gantt-bar-fill {
  background: var(--primary-gradient);
}

.gantt-bar-collaudo {
  background-color: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.gantt-bar-collaudo .gantt-bar-fill {
  background: var(--success-gradient);
}

/* Hover Tooltip */
.gantt-tooltip {
  position: absolute;
  bottom: 80%;
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: rgba(15, 23, 42, 0.95);
  color: #ffffff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.75rem;
  line-height: 1.4;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 1000;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
}

.gantt-bar-wrapper:hover .gantt-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

.gantt-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 5px;
  border-style: solid;
  border-color: rgba(15, 23, 42, 0.95) transparent transparent transparent;
}

/* Custom Navigation Dropdown Menus */
.dropdown-menu {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 8px !important;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1) !important;
  padding: 0.5rem !important;
}

.dropdown-item {
  color: var(--text-main) !important;
  border-radius: 6px !important;
  padding: 0.5rem 1rem !important;
  font-weight: 500 !important;
  transition: all 0.15s ease !important;
}

.dropdown-item:hover {
  background-color: rgba(79, 70, 229, 0.08) !important;
  color: var(--primary-accent) !important;
}

.dropdown-item.active, .dropdown-item:active {
  background: var(--primary-gradient) !important;
  color: white !important;
}

.dropdown-toggle::after {
  vertical-align: 0.15em !important;
  margin-left: 0.4em !important;
}

.dropdown-menu .bi {
  transition: color 0.15s ease;
}

.dropdown-item:hover .bi {
  color: var(--primary-accent) !important;
}

.dropdown-item.active .bi {
  color: white !important;
}