/* DESIGN SYSTEM CONFIGURATION */
:root {
  /* Dark Slate Theme Palette */
  --bg-primary: #0b0f19;
  --bg-secondary: #131d31;
  --bg-tertiary: #1b2a47;
  --card-bg: rgba(19, 29, 49, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --border-focus: #f43f5e;
  
  /* Accent Colors */
  --accent-laser: #ef4444; /* Neon Red */
  --accent-laser-glow: rgba(239, 68, 68, 0.45);
  --accent-success: #10b981; /* Emerald Green */
  --accent-success-glow: rgba(16, 185, 129, 0.2);
  --accent-warning: #f59e0b; /* Amber Yellow */
  --accent-warning-glow: rgba(245, 158, 11, 0.2);
  --accent-info: #0284c7; /* Sky Blue */
  --accent-info-glow: rgba(2, 132, 199, 0.2);
  --accent-danger: #dc2626; /* Ruby Red */
  
  /* Text Colors */
  --text-main: #f1f5f9;
  --text-sub: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #0f172a;
  
  /* Fonts & Shadows */
  --font-display: 'Inter', 'Sarabun', sans-serif;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-laser: 0 0 15px var(--accent-laser-glow);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

/* GENERAL STYLES & RESET */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-display);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  overflow: hidden; /* App view handles scrolling */
  -webkit-font-smoothing: antialiased;
}

input, select, textarea, button {
  font-family: var(--font-display);
}

/* APP LAYOUT */
.app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
}

/* SIDEBAR STYLING */
.sidebar {
  width: 280px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  padding: 20px;
  flex-shrink: 0;
  z-index: 10;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 20px;
}

.logo-area img {
  height: 40px;
  width: auto;
  border-radius: var(--radius-sm);
  background-color: #fff;
  padding: 2px;
  object-fit: contain;
}

.logo-fallback {
  width: 40px;
  height: 40px;
  background-color: var(--accent-laser);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 1.2rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.company-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
}

.system-name {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-laser);
  letter-spacing: 0.5px;
}

/* User Switcher */
.user-switcher-panel {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 20px;
  border: 1px solid var(--card-border);
}

.user-switcher-panel label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-sub);
  margin-bottom: 8px;
  font-weight: 500;
}

.user-switcher-panel label i {
  width: 14px;
  height: 14px;
}

.user-switcher-panel select {
  width: 100%;
  padding: 8px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}

.user-switcher-panel select:focus {
  border-color: var(--border-focus);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: none;
  border: none;
  color: var(--text-sub);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.03);
  color: #fff;
}

.nav-btn.active {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--accent-laser);
  font-weight: 600;
  border-left: 3px solid var(--accent-laser);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.nav-btn i {
  width: 18px;
  height: 18px;
}

/* Sidebar Footer */
.sidebar-footer {
  padding-top: 15px;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background-color: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success);
}

/* MAIN PANEL LAYOUT */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* Top bar Header */
.top-bar {
  height: 70px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 30px;
  flex-shrink: 0;
}

.page-title-section h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

.page-title-section .subtitle {
  font-size: 0.8rem;
  color: var(--text-sub);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--accent-laser);
  color: #fff;
  box-shadow: var(--shadow-laser);
}

.btn-primary:hover {
  background-color: #f43f5e;
  transform: translateY(-1px);
  box-shadow: 0 0 18px rgba(244, 63, 94, 0.6);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-sub);
  color: #fff;
}

.btn-danger {
  background-color: var(--accent-danger);
  color: #fff;
}

.btn-danger:hover {
  background-color: #ef4444;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-full {
  width: 100%;
}

/* TAB CONTAINER STYLING */
.tab-pane {
  display: none;
  flex-direction: column;
  flex-grow: 1;
  padding: 25px 30px;
  overflow-y: auto;
  height: calc(100vh - 70px);
}

.tab-pane.active {
  display: flex;
}

/* TAB 1: KANBAN BOARD SYSTEM */

/* Filters */
.filter-bar {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  align-items: center;
  background-color: var(--bg-secondary);
  padding: 12px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-group label {
  font-size: 0.8rem;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 4px;
}

.filter-group label i {
  width: 14px;
  height: 14px;
}

.filter-group select {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}

.filter-group select:focus {
  border-color: var(--border-focus);
}

.search-group {
  position: relative;
  flex-grow: 1;
  min-width: 200px;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.search-group input {
  width: 100%;
  padding: 6px 12px 6px 32px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: #fff;
  font-size: 0.85rem;
  outline: none;
}

.search-group input:focus {
  border-color: var(--border-focus);
}

.filter-summary {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: auto;
}

/* Kanban Board Columns */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  flex-grow: 1;
  min-height: 450px;
  align-items: stretch;
}

.kanban-col {
  background-color: rgba(19, 29, 49, 0.4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  padding: 15px;
  height: 100%;
  min-height: 400px;
}

.col-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 15px;
  flex-shrink: 0;
}

.col-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.col-dot.todo { background-color: var(--text-sub); }
.col-dot.inprogress { background-color: var(--accent-info); }
.col-dot.pending { background-color: var(--accent-warning); }
.col-dot.done { background-color: var(--accent-success); }

.col-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.col-count {
  margin-left: auto;
  font-size: 0.75rem;
  background-color: var(--bg-tertiary);
  color: var(--text-sub);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

.cards-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
  overflow-y: auto;
  padding-right: 4px;
}

/* Custom Scrollbar for columns */
.cards-list::-webkit-scrollbar {
  width: 4px;
}
.cards-list::-webkit-scrollbar-track {
  background: transparent;
}
.cards-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
}
.cards-list::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Kanban Cards */
.kanban-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.kanban-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
  background-color: var(--bg-tertiary);
}

.card-category-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Custom Badges */
.badge-category {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 12px;
  letter-spacing: 0.5px;
  display: inline-block;
}

.badge-category.housekeeping {
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--text-sub);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.badge-category.office {
  background-color: rgba(2, 132, 199, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.badge-category.production {
  background-color: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-category.technician {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.card-action-dots {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
  word-break: break-word;
}

.card-desc-preview {
  font-size: 0.78rem;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.card-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.75rem;
}

.card-assignee {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-sub);
  font-weight: 500;
}

.card-assignee i {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
}

.card-deadline {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-weight: 500;
}

.card-deadline i {
  width: 12px;
  height: 12px;
}

.card-deadline.warning {
  color: var(--accent-warning);
}

.card-deadline.overdue {
  color: var(--accent-danger);
  font-weight: 600;
}

.card-footer-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
}

.card-ref-po {
  font-size: 0.7rem;
  font-family: monospace;
  background-color: var(--bg-primary);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text-sub);
  border: 1px solid var(--card-border);
}

.card-move-buttons {
  display: flex;
  gap: 4px;
}

.btn-move {
  background: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: var(--text-sub);
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
}

.btn-move:hover {
  background: var(--bg-tertiary);
  color: #fff;
  border-color: var(--text-sub);
}

/* TAB 2: INVENTORY LAYOUTS */
.inventory-section-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.margin-top {
  margin-top: 25px;
}

.inventory-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.inventory-header h2 i {
  color: var(--accent-laser);
  width: 20px;
  height: 20px;
}

.inventory-header p {
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-top: 2px;
}

.flex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Raw Steel Stock Cards */
.steel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 15px;
  margin-top: 15px;
}

.steel-card {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 15px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

.steel-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  word-break: break-word;
}

.steel-spec {
  font-size: 0.72rem;
  color: var(--text-sub);
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.04);
  padding: 2px 6px;
  border-radius: 4px;
  margin-top: 4px;
}

.steel-qty-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 8px;
}

.steel-qty-label {
  font-size: 0.75rem;
  color: var(--text-sub);
}

.steel-qty-val {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-success);
}

.steel-qty-val.low {
  color: var(--accent-warning);
}

.steel-qty-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.progress-bar-container {
  background-color: var(--bg-primary);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  width: 100%;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--accent-success);
  transition: width 0.3s ease;
}

.progress-bar-fill.warning {
  background-color: var(--accent-warning);
}

.steel-card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 5px;
}

/* Spare parts items grid */
.spares-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 15px;
  margin-top: 18px;
}

.spare-card {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  transition: border-color 0.2s ease;
}

.spare-card.alert-border {
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.1);
}

.spare-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.spare-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}

.spare-badge-alert {
  background-color: var(--accent-warning);
  color: var(--text-dark);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
  animation: pulse 1.5s infinite alternate;
}

@keyframes pulse {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}

.spare-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.spare-stock-col {
  display: flex;
  flex-direction: column;
}

.spare-stock-qty {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.spare-stock-qty.alert {
  color: var(--accent-warning);
}

.spare-stock-min {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.spare-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

/* Tables styling */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin-top: 15px;
}

.inventory-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.inventory-table th {
  background-color: var(--bg-tertiary);
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-sub);
  border-bottom: 1px solid var(--card-border);
}

.inventory-table td {
  padding: 14px 16px;
  font-size: 0.88rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--card-border);
}

.inventory-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.bold-text {
  font-weight: 600;
  color: #fff;
}

.mono-text {
  font-family: monospace;
  color: var(--text-sub);
}

/* TAB 3: LOGS TABLES */
.logs-container {
  display: flex;
  flex-direction: column;
}

.log-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.log-table th {
  background-color: var(--bg-primary);
  padding: 12px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-sub);
  border-bottom: 1px solid var(--card-border);
}

.log-table td {
  padding: 12px 16px;
  font-size: 0.84rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--card-border);
  vertical-align: top;
}

.log-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.01);
}

/* TAB 4: SETTINGS */
.settings-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 25px;
}

.settings-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.settings-card h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-card h2 i {
  color: var(--accent-laser);
  width: 20px;
  height: 20px;
}

.settings-card .desc {
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-top: 4px;
  margin-bottom: 20px;
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-sub);
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--border-focus);
}

textarea {
  resize: vertical;
}

.settings-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

.db-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-divider {
  border: none;
  border-top: 1px solid var(--card-border);
  margin: 15px 0;
}

.system-stats {
  margin-top: 25px;
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 15px;
  border: 1px solid var(--card-border);
}

.system-stats h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.system-stats ul {
  list-style: none;
  font-size: 0.8rem;
  color: var(--text-sub);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.system-stats strong {
  color: var(--accent-laser);
}

/* MODAL BOXES */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(8px);
  z-index: 100;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.modal-content.width-small {
  max-width: 450px;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.flex-header-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.close-modal-btn {
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.close-modal-btn:hover {
  color: #fff;
}

#taskForm {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.modal-footer {
  padding-top: 15px;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 10px;
}

.special-fields-box {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 15px;
  margin-top: 5px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.special-fields-box h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.special-fields-box h3 i {
  color: var(--accent-laser);
  width: 16px;
  height: 16px;
}

.special-fields-box .desc {
  font-size: 0.75rem;
  color: var(--text-sub);
  line-height: 1.4;
}

/* Output Parts Row Builder */
.output-parts-container {
  border-top: 1px solid var(--card-border);
  padding-top: 12px;
  margin-top: 5px;
}

.output-parts-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.output-parts-header label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
}

.output-part-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}

.btn-remove-row {
  background: none;
  border: none;
  color: var(--accent-danger);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}

.btn-remove-row:hover {
  color: #ef4444;
}

/* VIEW CARD MODAL STYLING */
.view-modal-body {
  padding: 24px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 24px;
}

.detail-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.detail-group h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.detail-group p {
  font-size: 0.95rem;
  color: #fff;
  line-height: 1.6;
}

.pre-wrap {
  white-space: pre-wrap;
  word-break: break-word;
}

.spec-display-box {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.spec-display-box h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 8px;
}

.spec-display-box h3 i {
  color: var(--accent-laser);
  width: 16px;
  height: 16px;
}

.prod-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  font-size: 0.82rem;
}

.prod-summary-grid div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.prod-summary-grid span {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.prod-outputs-list {
  margin-top: 10px;
}

.prod-outputs-list h4 {
  font-size: 0.82rem;
  color: var(--text-sub);
  margin-bottom: 8px;
}

.parts-mini-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.82rem;
}

.parts-mini-table th {
  padding: 6px 10px;
  color: var(--text-sub);
  border-bottom: 1px solid var(--card-border);
  background-color: var(--bg-primary);
}

.parts-mini-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: #fff;
}

.detail-sidebar {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-item label {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.meta-item label i {
  width: 12px;
  height: 12px;
}

.meta-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.meta-val.warning {
  color: var(--accent-warning);
}

.print-actions-box,
.action-buttons-box {
  margin-top: 10px;
  padding-top: 15px;
  border-top: 1px solid var(--card-border);
}

.print-actions-box h4,
.action-buttons-box h4 {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.margin-bottom {
  margin-bottom: 8px;
}

/* Workflow Controls */
.workflow-controls-section {
  border-top: 1px solid var(--card-border);
  padding-top: 18px;
  margin-top: 10px;
}

.workflow-controls-section h4 {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-bottom: 10px;
}

.status-buttons-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.btn-status {
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: var(--text-sub);
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-status:hover {
  background-color: var(--bg-tertiary);
  color: #fff;
}

.btn-status.active-status {
  border-width: 1.5px;
  font-weight: 700;
}

#btn-wf-todo.active-status {
  border-color: var(--text-sub);
  color: #fff;
  background-color: rgba(148, 163, 184, 0.1);
}

#btn-wf-inprogress.active-status {
  border-color: var(--accent-info);
  color: #38bdf8;
  background-color: rgba(2, 132, 199, 0.1);
}

#btn-wf-pending.active-status {
  border-color: var(--accent-warning);
  color: #fbbf24;
  background-color: rgba(245, 158, 11, 0.1);
}

#btn-wf-done.active-status {
  border-color: var(--accent-success);
  color: #34d399;
  background-color: rgba(16, 185, 129, 0.1);
}

.btn-status-done {
  position: relative;
}

.status-warning-note {
  font-size: 0.72rem;
  color: var(--accent-warning);
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Header switcher styling (Desktop & Mobile) */
.header-switcher-wrapper {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 2px 10px;
  display: flex;
  align-items: center;
  height: 38px;
}
.header-switcher-select {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  padding-right: 5px;
}

/* Mobile Column Switcher tabs */
.mobile-column-tabs {
  display: none;
}

/* RESPONSIVE DESIGN ADJUSTMENTS */
@media (max-width: 1200px) {
  .kanban-board {
    grid-template-columns: repeat(2, 1fr);
  }
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  
  /* Sidebar behaves as a fixed bottom tab bar on mobile */
  .sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 65px;
    width: 100% !important;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
    border-bottom: none;
    border-right: none;
    flex-direction: row !important;
    padding: 0 10px !important;
    justify-content: space-around;
    align-items: center;
    z-index: 100;
  }
  .sidebar .logo-area,
  .sidebar .sidebar-machine-card,
  .sidebar .sidebar-footer {
    display: none !important;
  }
  .nav-menu {
    flex-direction: row !important;
    width: 100%;
    justify-content: space-around;
    margin: 0;
    gap: 0;
  }
  .nav-btn {
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 6px 10px !important;
    font-size: 0.68rem !important;
    border-left: none !important;
    border-top: 3px solid transparent !important;
    border-radius: 0 !important;
    flex-grow: 1;
    text-align: center !important;
    gap: 3px !important;
  }
  .nav-btn.active {
    border-top-color: var(--accent-laser) !important;
    background-color: transparent !important;
    color: var(--accent-laser) !important;
  }
  .nav-btn i {
    width: 18px !important;
    height: 18px !important;
  }
  
  /* Main content mobile scrolls */
  .main-content {
    height: calc(100vh - 65px);
    padding-bottom: 65px;
  }
  .tab-pane {
    height: calc(100vh - 135px); /* Header + Tab bar height */
    padding: 15px 15px 40px 15px !important;
  }
  
  /* Header mobile layouts */
  .top-bar {
    flex-direction: column !important;
    height: auto !important;
    padding: 12px 15px !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .page-title-section h1 {
    font-size: 1.1rem !important;
  }
  .page-title-section .subtitle {
    display: none !important; /* Hide subtitle on mobile to save vertical space */
  }
  .header-actions {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    align-items: center;
    width: 100%;
  }
  .header-switcher-wrapper {
    flex-grow: 1;
    max-width: calc(100% - 50px);
  }
  .header-switcher-select {
    width: 100%;
  }
  
  /* Mobile Kanban Column tabs switcher */
  .mobile-column-tabs {
    display: flex;
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: 15px;
    gap: 4px;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .mobile-col-tab {
    flex: 1;
    min-width: 80px;
    padding: 8px 4px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-sub);
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    white-space: nowrap;
  }
  .mobile-col-tab.active {
    background-color: var(--bg-tertiary);
    color: #fff;
    border: 1px solid var(--card-border);
  }
  .kanban-board {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
  .kanban-col {
    display: none; /* Hidden by default on mobile */
    height: auto;
    min-height: unset;
    border: none;
    background: transparent;
    padding: 0;
  }
  .kanban-col.mobile-active {
    display: flex; /* Shown when active */
  }
  
  /* Slide-Up Bottom Sheet Modal for Mobile */
  .modal-content {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    max-height: 85vh !important;
    overflow-y: auto !important;
    transform: translateY(100%);
    transition: transform 0.25s ease-out !important;
    box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.5) !important;
  }
  .modal.active .modal-content {
    transform: translateY(0);
  }
  .modal-header {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 5;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--card-border);
  }
  .modal-footer {
    position: sticky;
    bottom: 0;
    background: var(--bg-secondary);
    z-index: 5;
    padding-top: 12px;
    border-top: 1px solid var(--card-border);
    margin-top: 20px;
  }
  
  /* Steel Grid, Spares Grid and Tables */
  .steel-grid, .spares-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .inventory-section-card {
    padding: 12px !important;
  }
  .detail-grid {
    grid-template-columns: 1fr !important;
    gap: 15px;
  }
  .detail-sidebar {
    border-left: none !important;
    border-top: 1px solid var(--card-border);
    padding-left: 0 !important;
    padding-top: 15px;
  }
}

/* Sidebar Machine Card styling (Desktop only) */
.sidebar-machine-card {
  margin-top: 15px;
  margin-bottom: 15px;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}

.machine-sidebar-img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.machine-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.machine-model {
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
}

.machine-status {
  font-size: 0.7rem;
  color: var(--accent-success);
  font-weight: 600;
}