/* ════════════════════════════════════════
   DESIGN TOKENS & CSS VARIABLES
════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Colors — Light Mode */
  --bg-base:        #f0f2ff;
  --bg-surface:     #ffffff;
  --bg-elevated:    #f8f9fe;
  --bg-card:        rgba(255,255,255,0.85);
  --bg-card-hover:  rgba(255,255,255,1);
  --border:         rgba(99,102,241,0.12);
  --border-active:  rgba(99,102,241,0.3);

  /* Accent */
  --accent:         #6366f1;
  --accent-light:   #4f46e5;
  --accent-glow:    rgba(99,102,241,0.18);
  --purple:         #7c3aed;

  /* Status */
  --todo:           #64748b;
  --todo-bg:        rgba(100,116,139,0.1);
  --inprogress:     #d97706;
  --inprogress-bg:  rgba(217,119,6,0.1);
  --done:           #059669;
  --done-bg:        rgba(5,150,105,0.1);
  --danger:         #dc2626;
  --danger-bg:      rgba(220,38,38,0.1);
  --warning:        #ea580c;

  /* Text */
  --text-primary:   #1e1b4b;
  --text-secondary: #4b5563;
  --text-muted:     #9ca3af;

  /* Layout */
  --header-h:       64px;
  --sidebar-w:      240px;
  --sidebar-w-collapsed: 76px;
  --radius-sm:      8px;
  --radius-md:      12px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --radius-full:    999px;

  /* Shadow */
  --shadow-sm:      0 1px 3px rgba(99,102,241,0.08);
  --shadow-md:      0 4px 16px rgba(99,102,241,0.12);
  --shadow-lg:      0 8px 32px rgba(99,102,241,0.16);
  --shadow-glow:    0 0 24px var(--accent-glow);

  /* Transition */
  --transition:     0.2s cubic-bezier(0.4,0,0.2,1);
}

/* ════════════════════════════════════════
   RESET & BASE
════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ════════════════════════════════════════
   VIEW SYSTEM
════════════════════════════════════════ */
.view {
  display: none;
  min-height: 100vh;
  animation: fadeInUp 0.35s ease forwards;
}
.view.active { display: block; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ════════════════════════════════════════
   LOGIN VIEW
════════════════════════════════════════ */
#view-login {
  display: none;
  position: relative;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
#view-login.active { display: flex; }

.login-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.login-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.22;
  animation: orbFloat 8s ease-in-out infinite alternate;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #6366f1, transparent);
  top: -150px; left: -150px;
  animation-delay: 0s;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #a78bfa, transparent);
  bottom: -100px; right: -100px;
  animation-delay: 3s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #06b6d4, transparent);
  top: 40%; left: 50%;
  animation-delay: 5s;
}

@keyframes orbFloat {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.1); }
}

.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 540px;
  padding: 40px 32px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99,102,241,0.08);
}

.login-header { text-align: center; margin-bottom: 36px; }

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  box-shadow: var(--shadow-glow);
}
.brand-logo svg { width: 32px; height: 32px; color: #fff; }

.brand-title {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.brand-subtitle { color: var(--text-secondary); font-size: 0.9rem; }

/* Role Section */
.role-section { margin-bottom: 20px; }

.role-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.role-label svg { width: 14px; height: 14px; }

.btn-role {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}
.btn-role:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-manager .role-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.btn-manager .role-icon svg { width: 22px; height: 22px; color: #fff; }

.role-text { flex: 1; }
.role-text strong { display: block; font-size: 1rem; font-weight: 600; }
.role-text small { color: var(--text-secondary); font-size: 0.82rem; }

.role-arrow { width: 18px; height: 18px; color: var(--text-muted); transition: transform var(--transition); }
.btn-role:hover .role-arrow { transform: translateX(4px); color: var(--accent-light); }

/* Member Grid */
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 10px;
}

.btn-member-login {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.btn-member-login:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.member-avatar-lg {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.2rem;
  color: #fff;
  position: relative;
}

.member-name-sm {
  font-size: 0.82rem;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 90px;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Add Member */
.add-member-row { text-align: center; margin-top: 4px; }

.btn-add-member {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  border: 1px dashed var(--border-active);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  transition: all var(--transition);
}
.btn-add-member svg { width: 15px; height: 15px; }
.btn-add-member:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-glow);
}

/* ════════════════════════════════════════
   APP SHELL & SIDEBAR
════════════════════════════════════════ */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  gap: 24px;
  transition: width var(--transition);
  z-index: 100;
}

.sidebar.collapsed { width: var(--sidebar-w-collapsed); }
.sidebar.collapsed .sidebar-nav-text,
.sidebar.collapsed .sidebar-brand-text,
.sidebar.collapsed .sidebar-user-info {
  display: none;
}
.sidebar.collapsed .sidebar-user { justify-content: center; }
.sidebar.collapsed .sidebar-add-task { justify-content: center; padding: 8px; }
.sidebar.collapsed .sidebar-toggle svg { transform: rotate(180deg); }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-light);
  padding: 0 4px;
}
.sidebar-brand-icon {
  width: 32px; height: 32px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-sm);
  color: #fff;
}
.sidebar-brand-icon svg { width: 18px; height: 18px; }
.sidebar-brand-text { white-space: nowrap; overflow: hidden; }

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
}
.sidebar-user-avatar {
  width: 38px; height: 38px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
  color: #fff;
}
.sidebar-user-avatar-manager {
  background: linear-gradient(135deg, var(--accent), var(--purple));
}
.sidebar-user-avatar-manager svg { width: 18px; height: 18px; }
.sidebar-user-info { min-width: 0; }
.sidebar-user-name {
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: default;
}
.sidebar-nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-nav-item.active {
  background: var(--accent-glow);
  color: var(--accent-light);
}
.sidebar-nav-text { white-space: nowrap; overflow: hidden; }

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-add-task { width: 100%; justify-content: center; }

.sidebar-toggle, .sidebar-logout {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.sidebar-toggle svg, .sidebar-logout svg { width: 16px; height: 16px; flex-shrink: 0; transition: transform var(--transition); }
.sidebar-toggle:hover, .sidebar-logout:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  color: var(--text-primary);
}

/* Page header (in-content, replaces old header title) */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.page-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ════════════════════════════════════════
   BUTTONS
════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 2px 12px var(--accent-glow);
}
.btn-primary svg { width: 15px; height: 15px; }
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
  filter: brightness(1.1);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary svg { width: 15px; height: 15px; }
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--border-active); color: var(--text-primary); }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-icon svg { width: 16px; height: 16px; }
.btn-icon:hover { background: var(--bg-card-hover); border-color: var(--border-active); color: var(--text-primary); }

/* ════════════════════════════════════════
   MANAGER DASHBOARD
════════════════════════════════════════ */
.manager-main {
  flex: 1;
  min-width: 0;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}
.stat-card:hover { background: var(--bg-card-hover); border-color: var(--border-active); }

.stat-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.stat-icon svg { width: 18px; height: 18px; }

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

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

.filter-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.filter-label svg { width: 12px; height: 12px; }

.filter-select {
  padding: 6px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-select:focus { outline: none; border-color: var(--accent); }

/* Member Overview Grid */
.member-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.member-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.member-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--member-color, var(--accent)), transparent);
}
.member-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.member-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.member-avatar-md {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.member-card-name { font-weight: 600; font-size: 0.95rem; }
.member-card-count { font-size: 0.78rem; color: var(--text-muted); }

/* Progress Bar */
.progress-bar-wrap { margin-bottom: 14px; }

.progress-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.progress-bar-track {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--accent), var(--done));
  transition: width 0.5s ease;
}

/* Status Pills */
.status-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}
.pill-todo     { background: var(--todo-bg);       color: var(--todo);       }
.pill-inprogress { background: var(--inprogress-bg); color: var(--inprogress); }
.pill-done     { background: var(--done-bg);       color: var(--done);       }

/* All Tasks Table */
.all-tasks-section {}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.section-title svg { width: 18px; height: 18px; }

.tasks-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tasks-table {
  width: 100%;
  border-collapse: collapse;
}

.tasks-table thead tr {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.tasks-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tasks-table td {
  padding: 12px 16px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

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

.tasks-table tbody tr {
  transition: background var(--transition);
}
.tasks-table tbody tr:hover { background: var(--bg-card-hover); }

.table-member-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.avatar-xs {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.7rem;
  color: #fff;
  flex-shrink: 0;
}

.deadline-cell { white-space: nowrap; }
.deadline-overdue { color: var(--danger); font-weight: 600; }
.deadline-today   { color: var(--warning); font-weight: 600; }
.deadline-soon    { color: var(--inprogress); }

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge-todo       { background: var(--todo-bg);       color: var(--todo);       }
.badge-inprogress { background: var(--inprogress-bg); color: var(--inprogress); }
.badge-done       { background: var(--done-bg);       color: var(--done);       }

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 40px;
  color: var(--text-muted);
}
.empty-state svg { width: 40px; height: 40px; opacity: 0.5; }
.empty-state p   { font-size: 0.9rem; }
.hidden { display: none !important; }

/* ════════════════════════════════════════
   KANBAN BOARD
════════════════════════════════════════ */
.kanban-main {
  flex: 1;
  min-width: 0;
  padding: 20px 24px;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  flex: 1;
  min-height: 0;
}

.kanban-col {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.kanban-col-header {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.col-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.col-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-todo       { background: var(--todo); box-shadow: 0 0 8px var(--todo); }
.dot-inprogress { background: var(--inprogress); box-shadow: 0 0 8px var(--inprogress); }
.dot-done       { background: var(--done); box-shadow: 0 0 8px var(--done); }

.col-title { font-size: 0.9rem; font-weight: 700; flex: 1; }

.col-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 7px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.todo-header     { border-top: 3px solid var(--todo); }
.inprogress-header { border-top: 3px solid var(--inprogress); }
.done-header     { border-top: 3px solid var(--done); }

/* Cards container */
.kanban-cards {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  min-height: 60px;
  transition: background var(--transition);
}
.kanban-cards::-webkit-scrollbar { width: 4px; }
.kanban-cards::-webkit-scrollbar-track { background: transparent; }
.kanban-cards::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.kanban-cards.drag-over {
  background: rgba(99,102,241,0.05);
  border-radius: var(--radius-md);
}

/* Task Card */
.task-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: grab;
  transition: all var(--transition);
  position: relative;
  user-select: none;
  animation: cardIn 0.25s ease forwards;
}
.task-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.task-card:active { cursor: grabbing; opacity: 0.85; }
.task-card.dragging {
  opacity: 0.4;
  transform: rotate(2deg);
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.4;
}

.card-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-deadline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}
.card-deadline svg { width: 11px; height: 11px; }
.card-deadline.overdue { background: var(--danger-bg); color: var(--danger); }
.card-deadline.today   { background: var(--inprogress-bg); color: var(--inprogress); }

.card-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition);
}
.task-card:hover .card-actions { opacity: 1; }

.btn-card-action {
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-card-action svg { width: 12px; height: 12px; }
.btn-card-action:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-card-action.danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }

/* Add Card Button */
.btn-add-card {
  display: flex;
  align-items: center;
  gap: 6px;
  width: calc(100% - 24px);
  margin: 8px 12px 12px;
  padding: 8px 12px;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.btn-add-card svg { width: 14px; height: 14px; }
.btn-add-card:hover { border-color: var(--accent); color: var(--accent-light); background: var(--accent-glow); }

/* ════════════════════════════════════════
   MODALS
════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(99,102,241,0.12);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}
.modal-overlay.hidden { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(99,102,241,0.1);
  animation: slideUp 0.25s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-box-sm { max-width: 400px; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-title { font-size: 1.05rem; font-weight: 700; }

.modal-close { background: transparent; border: none; }

.modal-form { padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; }

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

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-label svg { width: 13px; height: 13px; }

.required { color: var(--danger); }

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 10px 13px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 80px; }

/* Date input light mode */
.form-input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.3) sepia(1) saturate(3) hue-rotate(200deg);
  cursor: pointer;
  opacity: 0.7;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 4px;
}
.modal-footer-right { display: flex; gap: 10px; }

/* Color Picker */
.color-picker-row { display: flex; gap: 10px; flex-wrap: wrap; }

.color-swatch {
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  transition: all var(--transition);
  position: relative;
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.selected { border-color: #fff; box-shadow: 0 0 0 2px var(--accent); }

/* ════════════════════════════════════════
   TOAST NOTIFICATIONS
════════════════════════════════════════ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #ffffff;
  border: 1px solid var(--border-active);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(99,102,241,0.18);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  min-width: 220px;
  max-width: 340px;
  pointer-events: auto;
  animation: toastIn 0.3s ease forwards;
}
.toast svg { width: 16px; height: 16px; flex-shrink: 0; }
.toast.success { border-left: 3px solid var(--done);       }
.toast.error   { border-left: 3px solid var(--danger);     }
.toast.info    { border-left: 3px solid var(--accent);     }
.toast.fade-out { animation: toastOut 0.3s ease forwards; }

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

/* ════════════════════════════════════════
   SCROLLBAR GLOBAL
════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-active); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */
@media (max-width: 900px) {
  .kanban-board { grid-template-columns: 1fr; overflow-y: auto; }
  .kanban-main  { overflow-y: auto; height: auto; }
  .kanban-col   { min-height: 300px; }
  .form-row     { grid-template-columns: 1fr; }

  .app-shell { flex-direction: column; }
  .sidebar {
    position: sticky;
    top: 0;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 12px 16px;
    gap: 12px;
  }
  .sidebar.collapsed { width: 100%; }
  .sidebar-nav { display: none; }
  .sidebar-user { flex: 1; }
  .sidebar-footer { flex-direction: row; width: auto; }
  .sidebar-toggle, .sidebar-logout { width: auto; padding: 8px 10px; }
  .sidebar-toggle .sidebar-nav-text, .sidebar-toggle { display: none; }
  .sidebar-add-task .sidebar-nav-text { display: none; }
  .sidebar-add-task { width: auto; padding: 8px; }
}

@media (max-width: 640px) {
  .login-container { padding: 28px 20px; }
  .manager-main { padding: 16px; }
  .filter-bar { gap: 10px; }
  .member-overview-grid { grid-template-columns: 1fr; }
  .tasks-table th:nth-child(3),
  .tasks-table td:nth-child(3) { display: none; }
  .sidebar-brand-text { display: none; }
}

/* ════════════════════════════════════════
   LOADING STATE (async data fetches)
════════════════════════════════════════ */
.is-loading {
  opacity: 0.5;
  pointer-events: none;
  transition: opacity var(--transition);
}

.loading-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 8px 0;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }