/* ==========================================================================
   KanbanFlow - Team Collaboration Board & Analytics
   Modern, Clean, Responsive CSS
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Color Palette */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  
  /* Brand & Accents */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --primary-text: #3730a3;
  
  /* Category Column Themes */
  --col-todo-bg: #f8fafc;
  --col-todo-border: #cbd5e1;
  --col-todo-header: #475569;
  
  --col-doing-bg: #f0fdf4;
  --col-doing-border: #86efac;
  --col-doing-header: #15803d;
  
  --col-test-bg: #fefce8;
  --col-test-border: #fde047;
  --col-test-header: #a16207;
  
  --col-done-bg: #eff6ff;
  --col-done-border: #93c5fd;
  --col-done-header: #1d4ed8;

  /* Priority Colors */
  --prio-urgent-bg: #fee2e2;
  --prio-urgent-text: #b91c1c;
  --prio-urgent-border: #fca5a5;

  --prio-high-bg: #ffedd5;
  --prio-high-text: #c2410c;
  --prio-high-border: #fdba74;

  --prio-medium-bg: #dbeafe;
  --prio-medium-text: #1d4ed8;
  --prio-medium-border: #93c5fd;

  --prio-low-bg: #f1f5f9;
  --prio-low-text: #475569;
  --prio-low-border: #cbd5e1;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-card: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 10px 20px -3px rgba(15, 23, 42, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Support */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --border-color: #334155;
  --border-focus: #60a5fa;

  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #312e81;
  --primary-text: #c7d2fe;

  --col-todo-bg: #1e293b;
  --col-todo-border: #334155;
  --col-todo-header: #94a3b8;
  
  --col-doing-bg: #142a1e;
  --col-doing-border: #166534;
  --col-doing-header: #4ade80;
  
  --col-test-bg: #2d2610;
  --col-test-border: #854d0e;
  --col-test-header: #facc15;
  
  --col-done-bg: #11263c;
  --col-done-border: #1e40af;
  --col-done-header: #60a5fa;

  --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* App Header */
.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.35);
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  background-color: var(--primary-light);
  color: var(--primary-text);
  border-radius: var(--radius-full);
}

/* Navigation Tabs */
.view-nav {
  display: flex;
  background-color: var(--bg-tertiary);
  padding: 0.25rem;
  border-radius: var(--radius-md);
  gap: 0.25rem;
}

.nav-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-tab-btn:hover {
  color: var(--text-primary);
}

.nav-tab-btn.active {
  background-color: var(--bg-secondary);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* Header Controls & Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Filter Bar */
.filter-bar {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  padding: 0.45rem 0.75rem 0.45rem 2.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.85rem;
  width: 220px;
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background-color: var(--bg-secondary);
  width: 260px;
}

.select-filter {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.select-filter:focus {
  outline: none;
  border-color: var(--border-focus);
}

/* Team Members Avatars Quick Filter */
.team-avatars-row {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.member-avatar-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.member-avatar-btn:hover {
  transform: translateY(-2px);
}

.member-avatar-btn.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-light);
  transform: translateY(-2px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

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

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
}

.btn-icon-only {
  padding: 0.45rem;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
}

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

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.775rem;
  border-radius: var(--radius-sm);
}

/* Main Content Area */
.app-container {
  flex: 1;
  padding: 1.5rem;
  max-width: 1700px;
  margin: 0 auto;
  width: 100%;
}

/* Views */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* Kanban Board Layout */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(280px, 1fr));
  gap: 1.25rem;
  align-items: start;
}

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

@media (max-width: 680px) {
  .kanban-board {
    grid-template-columns: 1fr;
  }
}

/* Kanban Column */
.kanban-column {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 180px);
  max-height: calc(100vh - 180px);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.kanban-column[data-column="todo"] {
  border-top: 4px solid var(--col-todo-header);
}

.kanban-column[data-column="doing"] {
  border-top: 4px solid var(--col-doing-header);
}

.kanban-column[data-column="test"] {
  border-top: 4px solid var(--col-test-header);
}

.kanban-column[data-column="done"] {
  border-top: 4px solid var(--col-done-header);
}

.column-header {
  padding: 1rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.column-title-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.column-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.col-todo .column-dot { background-color: var(--col-todo-header); }
.col-doing .column-dot { background-color: var(--col-doing-header); }
.col-test .column-dot { background-color: var(--col-test-header); }
.col-done .column-dot { background-color: var(--col-done-header); }

.column-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.column-count {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
}

.column-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.add-task-col-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.add-task-col-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--primary);
}

/* Task Cards Container (Dropzone) */
.tasks-container {
  flex: 1;
  padding: 0.85rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 200px;
  transition: background-color var(--transition-fast);
}

.tasks-container.drag-over {
  background-color: rgba(79, 70, 229, 0.05);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.kanban-column.drag-over {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 2px var(--primary-light), var(--shadow-md);
}

/* Empty Column Placeholder */
.column-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  font-size: 0.825rem;
  text-align: center;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 0.5rem;
}

/* Task Card */
.task-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.95rem;
  box-shadow: var(--shadow-card);
  cursor: grab;
  user-select: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  position: relative;
}

.task-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}

.task-card:active {
  cursor: grabbing;
}

.task-card.dragging {
  opacity: 0.45;
  transform: scale(0.98);
  border: 2px dashed var(--primary);
}

/* Drop Indicator / Placeholder */
.drop-indicator {
  height: 48px;
  border: 2px dashed var(--primary);
  background-color: var(--primary-light);
  border-radius: var(--radius-md);
  opacity: 0.6;
  margin: 0.25rem 0;
  transition: all var(--transition-fast);
  pointer-events: none;
}

/* Card Header: Priority & Quick Actions */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.priority-badge {
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border: 1px solid transparent;
}

.priority-urgent {
  background-color: var(--prio-urgent-bg);
  color: var(--prio-urgent-text);
  border-color: var(--prio-urgent-border);
}

.priority-high {
  background-color: var(--prio-high-bg);
  color: var(--prio-high-text);
  border-color: var(--prio-high-border);
}

.priority-medium {
  background-color: var(--prio-medium-bg);
  color: var(--prio-medium-text);
  border-color: var(--prio-medium-border);
}

.priority-low {
  background-color: var(--prio-low-bg);
  color: var(--prio-low-text);
  border-color: var(--prio-low-border);
}

.card-actions-menu {
  opacity: 0;
  transition: opacity var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.task-card:hover .card-actions-menu {
  opacity: 1;
}

.card-action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-action-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Card Body */
.card-title {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
}

.card-description {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag-pill {
  font-size: 0.7rem;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* Card Footer */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-date {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.card-date.overdue {
  color: #ef4444;
  font-weight: 600;
}

.card-assignee {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.assignee-avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.assignee-name {
  font-size: 0.775rem;
  font-weight: 500;
  color: var(--text-secondary);
  max-width: 90px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   Dashboard & Analytics View
   ========================================================================== */
.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Metrics KPI Cards Row */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 960px) {
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .kpi-row {
    grid-template-columns: 1fr;
  }
}

.kpi-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.kpi-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.kpi-subtitle {
  font-size: 0.775rem;
  color: var(--text-secondary);
}

.kpi-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-icon-purple { background-color: #ede9fe; color: #7c3aed; }
.kpi-icon-green { background-color: #dcfce7; color: #16a34a; }
.kpi-icon-blue { background-color: #dbeafe; color: #2563eb; }
.kpi-icon-amber { background-color: #fef3c7; color: #d97706; }

/* Charts Layout */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

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

.chart-card.col-6 { grid-column: span 6; }
.chart-card.col-4 { grid-column: span 4; }
.chart-card.col-8 { grid-column: span 8; }
.chart-card.col-12 { grid-column: span 12; }

@media (max-width: 1080px) {
  .chart-card.col-6,
  .chart-card.col-4,
  .chart-card.col-8 {
    grid-column: span 12;
  }
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chart-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  position: relative;
}

/* Donut & SVG Charts */
.donut-chart-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  width: 100%;
  flex-wrap: wrap;
}

.chart-legend {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
}

.legend-label-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.legend-count {
  font-weight: 700;
  color: var(--text-primary);
}

/* Member Workload Bars */
.member-workload-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.member-bar-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.member-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.member-bar-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.member-bar-stat {
  font-size: 0.775rem;
  color: var(--text-secondary);
}

.progress-track {
  width: 100%;
  height: 10px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  display: flex;
}

.progress-segment {
  height: 100%;
  transition: width 0.4s ease;
}

/* Activity Log */
.activity-feed {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-height: 320px;
  overflow-y: auto;
  width: 100%;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  font-size: 0.825rem;
}

.activity-badge {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
}

.activity-content {
  flex: 1;
}

.activity-text {
  color: var(--text-primary);
  line-height: 1.4;
}

.activity-text strong {
  font-weight: 600;
}

.activity-time {
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 580px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  transform: translateY(15px) scale(0.97);
  transition: transform var(--transition-fast);
  overflow: hidden;
}

.modal-dialog > form {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.modal-overlay.open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-shrink: 0;
}
  gap: 0.75rem;
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-textarea {
  min-height: 90px;
  resize: vertical;
}

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

@media (max-width: 500px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Priority Selector Radios */
.priority-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.priority-option {
  position: relative;
}

.priority-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.priority-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.priority-option input:checked + .priority-label {
  border-width: 2px;
}

.priority-option input[value="low"]:checked + .priority-label {
  background-color: var(--prio-low-bg);
  color: var(--prio-low-text);
  border-color: var(--prio-low-border);
}

.priority-option input[value="medium"]:checked + .priority-label {
  background-color: var(--prio-medium-bg);
  color: var(--prio-medium-text);
  border-color: var(--prio-medium-border);
}

.priority-option input[value="high"]:checked + .priority-label {
  background-color: var(--prio-high-bg);
  color: var(--prio-high-text);
  border-color: var(--prio-high-border);
}

.priority-option input[value="urgent"]:checked + .priority-label {
  background-color: var(--prio-urgent-bg);
  color: var(--prio-urgent-text);
  border-color: var(--prio-urgent-border);
}

/* Team Management Modal Styles */
.team-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.team-member-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.member-info-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.member-details {
  display: flex;
  flex-direction: column;
}

.member-name-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.member-role-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: auto;
}

@keyframes toastIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ==========================================================================
   Project Lock Screen & Passcode Gate
   ========================================================================== */
.lock-screen-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, #312e81 0%, #0f172a 100%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lock-screen-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lock-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 440px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  animation: lockCardIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes lockCardIn {
  from {
    transform: translateY(25px) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.lock-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.4);
}

.lock-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.lock-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-top: -0.5rem;
}

.lock-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lock-input {
  font-size: 1rem;
  padding: 0.75rem 2.5rem 0.75rem 1rem;
  text-align: center;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.passcode-eye-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.passcode-eye-btn:hover {
  color: var(--text-primary);
}

.lock-error {
  color: #ef4444;
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 0.35rem;
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.lock-submit-btn {
  width: 100%;
  padding: 0.75rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.lock-hint {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.lock-hint code {
  background-color: var(--bg-tertiary);
  color: var(--primary);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

/* ==========================================================================
   Active Member Persona Switcher
   ========================================================================== */
.active-member-container {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background-color: var(--bg-tertiary);
  padding: 0.25rem 0.6rem 0.25rem 0.45rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  font-size: 0.825rem;
}

.active-member-label {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-left: 0.25rem;
}

.active-member-select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.825rem;
  cursor: pointer;
  outline: none;
  padding-right: 0.25rem;
}

.active-member-select option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* My Tasks Button */
.btn-my-tasks {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.btn-my-tasks.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}