/* ==========================================================================
   AGILE LAB - Scrum Management Platform Design System & Styles
   ========================================================================== */

:root {
  --font-main: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Color Palette - Slate & Indigo & Emerald & Rose & Amber */
  --bg-dark: #0f172a;
  --bg-surface: #1e293b;
  --bg-card: #334155;
  --bg-card-hover: #475569;
  --border-color: #334155;
  --border-light: #475569;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #6366f1; /* Indigo */
  --accent-primary-hover: #4f46e5;
  --accent-secondary: #0ea5e9; /* Sky */

  --status-success: #10b981; /* Emerald */
  --status-warning: #f59e0b; /* Amber */
  --status-danger: #ef4444; /* Rose */
  --status-info: #3b82f6; /* Blue */

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.2);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bg-card-hover);
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* App Header & Navigation */
.app-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: block;
  font-weight: 400;
}

/* User Profile Badge in Header */
.user-profile-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-card-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
}

.user-avatar-small {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-info-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.user-role-text {
  font-size: 0.68rem;
  color: var(--accent-secondary);
  font-weight: 500;
}

/* Role Selector Tabs */
.role-selector-container {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--bg-dark);
  padding: 0.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.role-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.role-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.role-btn.active {
  background-color: var(--accent-primary);
  color: #ffffff;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.scrum-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-full);
  background-color: rgba(245, 158, 11, 0.2);
  color: var(--status-warning);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

/* Notice Banner */
.notice-banner {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.15), rgba(99, 102, 241, 0.15));
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.5rem 1.5rem;
  font-size: 0.8rem;
  color: #fef08a;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notice-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Main Container Layout */
.app-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar Navigation */
.sidebar {
  width: 260px;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
  flex-shrink: 0;
}

.nav-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.75rem 1.25rem 0.25rem;
  font-weight: 700;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
  color: var(--accent-primary);
  background-color: rgba(99, 102, 241, 0.08);
  border-left-color: var(--accent-primary);
  font-weight: 600;
}

.nav-item .badge {
  margin-left: auto;
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-card);
  color: var(--text-secondary);
}

.nav-item.active .badge {
  background-color: var(--accent-primary);
  color: #fff;
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  background-color: var(--bg-dark);
}

/* View Sections */
.view-section {
  display: none;
}
.view-section.active {
  display: block;
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.view-title-group h1 {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.view-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

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

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

.stat-info .stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.stat-info .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 0.25rem;
  color: var(--text-primary);
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* Status Badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-draft { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; }
.badge-ready { background: rgba(59, 130, 246, 0.15); color: #93c5fd; }
.badge-in-progress { background: rgba(245, 158, 11, 0.15); color: #fde047; }
.badge-in-review { background: rgba(168, 85, 247, 0.15); color: #e9d5ff; }
.badge-done { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; }
.badge-mora { background: rgba(239, 68, 68, 0.2); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.4); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

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

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

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

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
}

/* Kanban Board Component */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1rem;
  align-items: start;
}

.kanban-column {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.kanban-column-title {
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.count-pill {
  background-color: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-full);
}

.kanban-cards-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.kanban-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  cursor: grab;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  position: relative;
}

.kanban-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
}

.card-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.card-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.card-sp {
  background-color: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
}

.card-assignee {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 500;
}

.avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
}

/* Product Backlog Table */
.backlog-table-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 1rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.table th {
  background-color: rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

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

.table tr:last-child td {
  border-bottom: none;
}

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

/* User Story Format text */
.user-story-text {
  font-family: var(--font-main);
  line-height: 1.4;
}
.user-story-text span.role { color: var(--accent-secondary); font-weight: 600; }
.user-story-text span.action { color: #fef08a; font-weight: 600; }
.user-story-text span.benefit { color: #6ee7b7; font-style: italic; }

/* Burndown Chart Styling */
.burndown-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.chart-svg-container {
  width: 100%;
  height: 220px;
  margin-top: 1rem;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
}

.modal-close:hover { color: var(--text-primary); }

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font-main);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
}

/* Authentication Modal & Demo Pills */
.auth-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.auth-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.auth-tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.demo-accounts-box {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.demo-accounts-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.demo-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.demo-pill {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.demo-pill:hover {
  background-color: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

/* Daily Scrum Tracker Cards */
.daily-log-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1rem;
}

.impediment-box {
  background-color: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--status-danger);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: #fca5a5;
}

/* Retrospective Columns */
.retro-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.retro-column {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
}

/* Countdown Timer Badge */
.countdown-badge {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.2);
  color: var(--status-warning);
  border: 1px solid rgba(245, 158, 11, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.countdown-badge.expired {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .kanban-board {
    grid-template-columns: repeat(2, 1fr);
  }
  .retro-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .kanban-board {
    grid-template-columns: 1fr;
  }
}