/* TMS v2.0 - Complete Stylesheet */
/* Mobile-first responsive design */

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #22252f;
  --bg-hover: #2a2d38;
  --bg-input: #1a1d27;
  --text-primary: #e8e8ed;
  --text-secondary: #9499a8;
  --text-muted: #6b7080;
  --border: #2e3140;
  --border-light: #383b48;
  --accent: #6366f1;
  --accent-hover: #7577f5;
  --green: #22c55e;
  --green-bg: #0f2a1c;
  --yellow: #eab308;
  --yellow-bg: #2a2410;
  --red: #ef4444;
  --red-bg: #2a1010;
  --blue: #3b82f6;
  --blue-bg: #101e2e;
  --purple: #a855f7;
  --purple-bg: #1e102e;
  --orange: #f97316;
  --orange-bg: #2a1a0e;
  --teal: #14b8a6;
  --teal-bg: #0e2a26;
  --pink: #ec4899;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --transition: 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Screens */
.screen { display: none; }
.screen.active { display: block; }
.view { display: none; }
.view.active { display: block; }

/* Login */
.login-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-logo { text-align: center; margin-bottom: 32px; }
.logo-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: var(--accent); color: white;
  font-size: 32px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.login-logo h1 { font-size: 24px; font-weight: 600; }
.login-subtitle { color: var(--text-secondary); margin-top: 4px; }
.login-form {
  width: 100%; max-width: 320px;
  display: flex; flex-direction: column; gap: 12px;
}
.login-form label { font-size: 13px; color: var(--text-secondary); }
.login-form input {
  padding: 12px 16px; font-size: 24px; text-align: center;
  letter-spacing: 8px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-input);
  color: var(--text-primary); outline: none;
}
.login-form input:focus { border-color: var(--accent); }

/* Buttons */
button { cursor: pointer; border: none; font-family: inherit; font-size: 14px; }
.btn-primary {
  padding: 10px 20px; border-radius: var(--radius);
  background: var(--accent); color: white; font-weight: 500;
  transition: background var(--transition);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
  padding: 10px 20px; border-radius: var(--radius);
  background: var(--bg-hover); color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-sm {
  padding: 6px 12px; border-radius: 6px; font-size: 12px;
  background: var(--bg-hover); color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-sm:hover { background: var(--border); color: var(--text-primary); }
.icon-btn {
  background: none; color: var(--text-secondary); padding: 8px;
  border-radius: var(--radius); position: relative;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

/* Top Navigation */
#top-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100;
}
.nav-left { display: flex; align-items: center; gap: 8px; }
.logo-small {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--accent); color: white;
  font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.nav-title { font-weight: 600; font-size: 15px; }
.nav-center { display: flex; gap: 4px; }
.nav-tab {
  padding: 6px 14px; border-radius: 6px; font-size: 13px;
  background: none; color: var(--text-secondary); font-weight: 500;
}
.nav-tab:hover { background: var(--bg-hover); }
.nav-tab.active { background: var(--accent); color: white; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.user-info { display: flex; align-items: center; gap: 8px; }
#user-name { font-size: 13px; color: var(--text-secondary); }
.notif-badge {
  position: absolute; top: 2px; right: 2px;
  background: var(--red); color: white; font-size: 10px; font-weight: 600;
  min-width: 16px; height: 16px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

/* Board Toolbar */
.board-toolbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
}
.search-bar {
  flex: 1; display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: var(--radius);
  background: var(--bg-secondary); border: 1px solid var(--border);
}
.search-bar input {
  flex: 1; border: none; background: none; color: var(--text-primary);
  font-size: 13px; outline: none;
}
.search-bar svg { color: var(--text-muted); flex-shrink: 0; }

/* Category Filters */
.category-filters {
  display: flex; gap: 6px; padding: 0 16px 12px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.cat-pill {
  padding: 5px 14px; border-radius: 20px; font-size: 12px; font-weight: 500;
  background: var(--bg-secondary); color: var(--text-secondary);
  border: 1px solid var(--border); white-space: nowrap; flex-shrink: 0;
}
.cat-pill:hover { border-color: var(--text-muted); }
.cat-pill.active { background: var(--accent); color: white; border-color: var(--accent); }

/* Kanban Board */
.kanban-board {
  display: flex; gap: 12px; padding: 0 16px 16px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  min-height: calc(100vh - 160px);
}
.kanban-col {
  min-width: 260px; max-width: 300px; flex-shrink: 0;
  background: var(--bg-secondary); border-radius: var(--radius-lg);
  border: 1px solid var(--border); display: flex; flex-direction: column;
}
.col-header {
  padding: 12px 14px; font-size: 13px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--border);
}
.col-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.col-dot.new { background: var(--text-muted); }
.col-dot.under-review { background: var(--purple); }
.col-dot.planned { background: var(--blue); }
.col-dot.in-progress { background: var(--yellow); }
.col-dot.on-hold { background: var(--orange); }
.col-dot.completed { background: var(--green); }
.col-dot.discarded { background: var(--red); }
.col-count {
  margin-left: auto; background: var(--bg-hover); padding: 1px 8px;
  border-radius: 10px; font-size: 11px; color: var(--text-secondary);
}
.col-cards {
  padding: 8px; flex: 1; overflow-y: auto;
  display: flex; flex-direction: column; gap: 8px;
}

/* Task Cards */
.task-card {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 12px; cursor: pointer; border: 1px solid var(--border);
  transition: border-color var(--transition), transform var(--transition);
}
.task-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.task-card.overdue { border-left: 3px solid var(--red); }
.task-card.critical { border-left: 3px solid var(--orange); }
.card-title { font-size: 13px; font-weight: 500; margin-bottom: 6px; line-height: 1.4; }
.card-meta { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 6px; }
.card-badge {
  padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.3px;
}
.badge-bug_fix { background: var(--red-bg); color: var(--red); }
.badge-feature_request { background: var(--blue-bg); color: var(--blue); }
.badge-ui_ux { background: var(--purple-bg); color: var(--purple); }
.badge-performance { background: var(--yellow-bg); color: var(--yellow); }
.badge-qa_qt { background: var(--teal-bg); color: var(--teal); }
.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 11px; color: var(--text-muted); margin-top: 6px;
}
.card-counts { display: flex; gap: 10px; }
.card-count {
  display: flex; align-items: center; gap: 3px;
}
.card-count svg { width: 12px; height: 12px; }
.card-pdc { font-size: 11px; }
.card-pdc.overdue { color: var(--red); font-weight: 600; }
.card-assignee { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }

/* Empty column */
.col-empty {
  text-align: center; padding: 24px 12px;
  color: var(--text-muted); font-size: 12px;
}

/* Modals */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 16px;
}
.modal-content {
  background: var(--bg-secondary); border-radius: var(--radius-lg);
  padding: 24px; width: 100%; max-width: 480px;
  border: 1px solid var(--border); position: relative;
  max-height: 90vh; overflow-y: auto;
}
.modal-large { max-width: 720px; }
.modal-close {
  position: absolute; top: 12px; right: 16px;
  background: none; color: var(--text-muted); font-size: 24px;
  line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal-content h2 { font-size: 18px; margin-bottom: 16px; }
.modal-icon {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700; margin: 0 auto 16px;
}
.modal-icon.warning { background: var(--yellow-bg); color: var(--yellow); }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block; font-size: 12px; font-weight: 500;
  color: var(--text-secondary); margin-bottom: 4px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 8px 12px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-input);
  color: var(--text-primary); font-size: 13px; font-family: inherit;
  outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--accent);
}
.form-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.error-text { color: var(--red); font-size: 12px; margin-top: 8px; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: 8px; }
.checkbox-group label {
  display: flex; align-items: center; gap: 4px;
  font-size: 13px; color: var(--text-primary); cursor: pointer;
}

/* Notification Panel */
.dropdown-panel {
  position: fixed; top: 48px; right: 16px;
  width: 360px; max-height: 480px;
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
  z-index: 200; display: flex; flex-direction: column;
}
.panel-header {
  padding: 12px 16px; display: flex; justify-content: space-between;
  align-items: center; border-bottom: 1px solid var(--border);
}
.panel-header h3 { font-size: 14px; }
.panel-body { overflow-y: auto; padding: 8px; }
.notif-item {
  padding: 10px 12px; border-radius: var(--radius);
  cursor: pointer; margin-bottom: 4px;
}
.notif-item:hover { background: var(--bg-hover); }
.notif-item.unread { background: var(--bg-card); border-left: 3px solid var(--accent); }
.notif-item .notif-title { font-size: 13px; font-weight: 500; }
.notif-item .notif-msg { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.notif-item .notif-time { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* Task Detail */
.task-detail { padding: 0; }
.task-detail h2 { font-size: 18px; margin-bottom: 4px; padding-right: 32px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 16px; }
.detail-section { margin-bottom: 20px; }
.detail-section h3 {
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px;
}
.detail-description { font-size: 14px; line-height: 1.6; color: var(--text-secondary); }
.detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.detail-field { padding: 8px; background: var(--bg-card); border-radius: 6px; }
.detail-field .field-label { font-size: 11px; color: var(--text-muted); }
.detail-field .field-value { font-size: 13px; margin-top: 2px; }

/* Subtask list */
.subtask-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; background: var(--bg-card); border-radius: 6px;
  margin-bottom: 4px;
}
.subtask-item.completed { opacity: 0.6; }
.subtask-checkbox { width: 16px; height: 16px; cursor: pointer; accent-color: var(--accent); }
.subtask-title { flex: 1; font-size: 13px; }
.subtask-assignee { font-size: 11px; color: var(--text-muted); }

/* Comment thread */
.comment-item { padding: 10px; margin-bottom: 6px; background: var(--bg-card); border-radius: 6px; }
.comment-header { display: flex; justify-content: space-between; margin-bottom: 4px; }
.comment-author { font-size: 12px; font-weight: 500; color: var(--accent); }
.comment-time { font-size: 11px; color: var(--text-muted); }
.comment-text { font-size: 13px; color: var(--text-secondary); }
.comment-system { font-style: italic; opacity: 0.7; }
.add-comment { display: flex; gap: 8px; margin-top: 8px; }
.add-comment input { flex: 1; }

/* Dashboard */
.dashboard-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px; padding: 16px; margin-bottom: 16px;
}
.stat-card {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 16px;
}
.stat-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.stat-value { font-size: 28px; font-weight: 700; }
.stat-value.green { color: var(--green); }
.stat-value.red { color: var(--red); }
.stat-value.yellow { color: var(--yellow); }
.stat-value.blue { color: var(--blue); }
.dashboard-section {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 16px; margin: 0 16px 16px;
}
.dashboard-section h3 { font-size: 14px; margin-bottom: 12px; }
.chart-container { position: relative; height: 250px; }

/* Activity log */
.activity-item {
  display: flex; gap: 8px; padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.activity-item:last-child { border-bottom: none; }
.activity-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 5px; flex-shrink: 0; }
.activity-text { color: var(--text-secondary); }
.activity-time { font-size: 11px; color: var(--text-muted); }

/* Admin Panel */
.admin-tabs { display: flex; gap: 4px; padding: 12px 16px; }
.admin-tab {
  padding: 6px 14px; border-radius: 6px; font-size: 13px;
  background: var(--bg-secondary); color: var(--text-secondary);
  border: 1px solid var(--border);
}
.admin-tab.active { background: var(--accent); color: white; border-color: var(--accent); }
.admin-content { padding: 0 16px 16px; }
.admin-table {
  width: 100%; border-collapse: collapse;
  background: var(--bg-secondary); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border);
}
.admin-table th {
  padding: 10px 14px; text-align: left; font-size: 12px;
  color: var(--text-muted); background: var(--bg-card);
  border-bottom: 1px solid var(--border); font-weight: 500;
}
.admin-table td {
  padding: 10px 14px; font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--bg-hover); }
.role-tag {
  padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 600;
  display: inline-block; margin: 1px;
}
.role-suppa { background: var(--red-bg); color: var(--red); }
.role-tl { background: var(--purple-bg); color: var(--purple); }
.role-team_member { background: var(--blue-bg); color: var(--blue); }
.role-stakeholder { background: var(--teal-bg); color: var(--teal); }

/* Stage tags */
.stage-tag {
  padding: 3px 10px; border-radius: 4px; font-size: 11px; font-weight: 600;
}
.stage-new { background: var(--bg-hover); color: var(--text-muted); }
.stage-under_review { background: var(--purple-bg); color: var(--purple); }
.stage-planned { background: var(--blue-bg); color: var(--blue); }
.stage-in_progress { background: var(--yellow-bg); color: var(--yellow); }
.stage-on_hold { background: var(--orange-bg); color: var(--orange); }
.stage-completed { background: var(--green-bg); color: var(--green); }
.stage-discarded { background: var(--red-bg); color: var(--red); }

/* Priority tags */
.priority-p2 { background: var(--yellow-bg); color: var(--yellow); }
.priority-p3 { background: var(--orange-bg); color: var(--orange); }

/* Action buttons row */
.action-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.action-btn {
  padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 500;
  border: 1px solid var(--border); background: var(--bg-card);
  color: var(--text-secondary);
}
.action-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.action-btn.danger { border-color: var(--red); color: var(--red); }
.action-btn.danger:hover { background: var(--red-bg); }
.action-btn.primary { border-color: var(--accent); color: var(--accent); }
.action-btn.primary:hover { background: rgba(99,102,241,0.1); }

/* Loading */
.loading {
  display: flex; align-items: center; justify-content: center;
  padding: 40px; color: var(--text-muted);
}
.spinner {
  width: 24px; height: 24px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.6s linear infinite; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 768px) {
  .nav-center { display: none; }
  #user-name { display: none; }
  .kanban-col { min-width: 240px; }
  .modal-content { padding: 16px; }
  .detail-grid { grid-template-columns: 1fr; }
  .dropdown-panel { width: calc(100vw - 32px); right: 16px; }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }

  /* Mobile nav - bottom bar */
  .mobile-nav {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-secondary); border-top: 1px solid var(--border);
    padding: 6px 0; z-index: 100;
  }
  .mobile-nav button {
    flex: 1; padding: 8px 4px; background: none; color: var(--text-muted);
    font-size: 10px; display: flex; flex-direction: column;
    align-items: center; gap: 2px;
  }
  .mobile-nav button.active { color: var(--accent); }
  .mobile-nav button svg { width: 20px; height: 20px; }

  .kanban-board { padding-bottom: 60px; }
}

@media (max-width: 480px) {
  .board-toolbar { flex-direction: column; gap: 8px; }
  .board-toolbar .search-bar { width: 100%; }
  #new-sr-btn { width: 100%; }
  .dashboard-grid { grid-template-columns: 1fr; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Sortable drag styles */
.sortable-ghost { opacity: 0.4; }
.sortable-chosen { box-shadow: 0 4px 12px rgba(99,102,241,0.3); }