/**
 * GAMEE STUDIO — QUẢN LÝ DỰ ÁN (PM)
 * HỆ THỐNG BIẾN MÀU RED & WHITE (#DC2626) & CÁC THÀNH PHẦN GIAO DIỆN CHUẨN
 */

:root {
  --brand-primary: #DC2626;
  --brand-primary-hover: #B91C1C;
  --brand-primary-light: #FEE2E2;
  --brand-primary-focus: rgba(220, 38, 38, 0.25);
  
  --bg-main: #F8FAFC;
  --bg-card: #FFFFFF;
  --border-color: #E2E8F0;
  --border-subtle: #F1F5F9;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  --status-late: #DC2626;
  --status-late-bg: #FEE2E2;
  --status-late-border: #FCA5A5;
  --status-blocked: #EA580C;
  --status-blocked-bg: #FFEDD5;
  --status-blocked-border: #FDBA74;
  --status-done: #16A34A;
  --status-done-bg: #DCFCE7;
  --status-done-border: #BBF7D0;
  --status-doing: #D97706;
  --status-doing-bg: #FEF3C7;
  --status-doing-border: #FDE68A;
  --status-todo: #2563EB;
  --status-todo-bg: #EFF6FF;
  --status-todo-border: #BFDBFE;
  --status-review: #7E22CE;
  --status-review-bg: #F3E8FF;
  --status-review-border: #E9D5FF;
  --status-backlog: #64748B;
  --status-backlog-bg: #F1F5F9;
  --status-backlog-border: #CBD5E1;

  --priority-very-high: #DC2626;
  --priority-very-high-bg: #FEE2E2;
  --priority-high: #EA580C;
  --priority-high-bg: #FFEDD5;
  --priority-medium: #D97706;
  --priority-medium-bg: #FEF3C7;
  --priority-low: #64748B;
  --priority-low-bg: #F1F5F9;

  --team-dev-color: #1E40AF;
  --team-dev-bg: #DBEAFE;
  --team-art-color: #9D174D;
  --team-art-bg: #FCE7F3;
  --team-gd-color: #92400E;
  --team-gd-bg: #FEF3C7;
  --team-anim-color: #065F46;
  --team-anim-bg: #D1FAE5;
  --team-qa-color: #3730A3;
  --team-qa-bg: #E0E7FF;
  --team-ua-color: #115E59;
  --team-ua-bg: #CCFBF1;
  --team-mo-color: #5B21B6;
  --team-mo-bg: #EDE9FE;
  --team-da-color: #155E75;
  --team-da-bg: #CFFAFE;
  --team-bod-color: #991B1B;
  --team-bod-bg: #FEE2E2;
  --team-default-color: #4B5563;
  --team-default-bg: #F3F4F6;

  /* Bảng màu Avatar chuẩn hệ thống */
  --avatar-c1: #DC2626;
  --avatar-c2: #EA580C;
  --avatar-c3: #D97706;
  --avatar-c4: #059669;
  --avatar-c5: #0284C7;
  --avatar-c6: #4F46E5;
  --avatar-c7: #7C3AED;
  --avatar-c8: #DB2777;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-full: 9999px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===================== HEADER TOÀN CỤC ===================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  padding: 0 24px;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1.1;
  letter-spacing: -0.3px;
}

.brand-subtitle {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-nav-link {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all 0.15s ease;
}

.top-nav-link:hover {
  background-color: var(--border-subtle);
  color: var(--brand-primary);
}

.top-nav-link.active {
  background-color: var(--brand-primary-light);
  color: var(--brand-primary);
}

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

.user-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background-color: var(--border-subtle);
  border-radius: var(--radius-md);
}

.user-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.user-role-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  background-color: var(--brand-primary);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

/* ===================== BỐ CỤC CHÍNH ===================== */
.app-main {
  min-height: calc(100vh - 60px);
  padding: 20px 24px 60px;
  max-width: 1720px;
  margin: 0 auto;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.page-head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ===================== TOOLBAR & BỘ LỌC ===================== */
.toolbar {
  padding: 12px 16px;
}

.tool-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tool-row.filters {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.tool-row.filters .filter {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tool-row.filters .filter span {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

/* ===================== THÀNH PHẦN CARD ===================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.card-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ===================== NÚT BẤM (BUTTONS) ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  color: var(--text-secondary);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  line-height: 1.2;
}

.btn:hover {
  background-color: #F1F5F9;
  color: var(--text-primary);
  border-color: #CBD5E1;
}

.btn-primary {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--brand-primary-hover);
  border-color: var(--brand-primary-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: #F1F5F9;
  border-color: #E2E8F0;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: #E2E8F0;
}

.btn-danger {
  background-color: #EF4444;
  border-color: #EF4444;
  color: #FFFFFF;
}

.btn-danger:hover {
  background-color: #DC2626;
  border-color: #DC2626;
}

.btn-small {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-icon {
  background: transparent;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
}

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

.btn-icon-subtle {
  background: transparent;
  border: none;
  font-size: 13px;
  color: var(--text-light);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.btn-icon-subtle:hover {
  color: #DC2626;
  background-color: #FEE2E2;
}

/* ===================== FORM & INPUTS ===================== */
.form-group {
  margin-bottom: 14px;
}

.form-group label, .drawer-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-control, select, input[type="text"], input[type="date"], input[type="number"], input[type="url"], textarea {
  width: 100%;
  padding: 8px 12px;
  font-size: 13px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #FFFFFF;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-primary-focus);
}

.form-row {
  display: flex;
  gap: 12px;
}

/* ===================== CÔNG TẮC GẠT ĐỎ (.gm-switch) ===================== */
/* BẮT BUỘC THEO ENTERPRISE UI RULES: CẤM CHECKBOX THÔ */
.gm-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.gm-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.gm-switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #CBD5E1;
  transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 24px;
}

.gm-switch-slider::before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.gm-switch input:checked + .gm-switch-slider {
  background-color: var(--brand-primary);
}

.gm-switch input:focus + .gm-switch-slider {
  box-shadow: 0 0 0 3px var(--brand-primary-focus);
}

.gm-switch input:checked + .gm-switch-slider::before {
  transform: translateX(20px);
}

/* ===================== SEGMENTED CONTROLS ===================== */
.seg {
  display: inline-flex;
  background-color: #F1F5F9;
  padding: 3px;
  border-radius: var(--radius-md);
  gap: 2px;
}

.seg a, .seg button {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.seg a:hover, .seg button:hover {
  color: var(--text-primary);
}

.seg a.active, .seg button.active {
  background-color: #FFFFFF;
  color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}

.seg-small a, .seg-small button {
  padding: 4px 8px;
  font-size: 11px;
}

/* ===================== SUB TABS ===================== */
.sub-nav-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.sub-tab-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.sub-tab-btn:hover {
  color: var(--brand-primary);
}

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

/* ===================== BẢNG DỮ LIỆU (.data-table) ===================== */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.data-table th {
  background-color: #F8FAFC;
  color: var(--text-secondary);
  font-weight: 700;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background-color: #F8FAFC;
}

.table-inline-select {
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background-color: transparent;
  cursor: pointer;
}

.table-inline-select:hover {
  border-color: var(--border-color);
  background-color: #FFFFFF;
}

/* ===================== HUY HIỆU & CHIPS ===================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  line-height: 1.3;
}

.badge-primary {
  background-color: var(--brand-primary-light);
  color: var(--brand-primary);
}

.badge-success {
  background-color: #DCFCE7;
  color: #15803D;
}

.badge-late, .badge-late-pill {
  background-color: #FEE2E2;
  color: #DC2626;
  font-weight: 700;
  border: 1px solid #FCA5A5;
}

.badge-readonly {
  background-color: #F1F5F9;
  color: #475569;
  border: 1px solid #CBD5E1;
}

.badge-archived {
  background-color: var(--status-doing-bg);
  color: var(--status-doing);
}

/* Các class trạng thái dùng chung (thay thế inline hex) */
.badge-status-backlog { background-color: var(--status-backlog-bg); color: var(--status-backlog); border: 1px solid var(--status-backlog-border); }
.badge-status-todo    { background-color: var(--status-todo-bg); color: var(--status-todo); border: 1px solid var(--status-todo-border); }
.badge-status-doing   { background-color: var(--status-doing-bg); color: var(--status-doing); border: 1px solid var(--status-doing-border); }
.badge-status-review  { background-color: var(--status-review-bg); color: var(--status-review); border: 1px solid var(--status-review-border); }
.badge-status-done    { background-color: var(--status-done-bg); color: var(--status-done); border: 1px solid var(--status-done-border); }

/* Các class độ ưu tiên */
.badge-priority-very_high { background-color: var(--priority-very-high-bg); color: var(--priority-very-high); }
.badge-priority-high      { background-color: var(--priority-high-bg); color: var(--priority-high); }
.badge-priority-medium    { background-color: var(--priority-medium-bg); color: var(--priority-medium); }
.badge-priority-low       { background-color: var(--priority-low-bg); color: var(--priority-low); }

/* Các class team chip */
.team-chip-dev     { background-color: var(--team-dev-bg); color: var(--team-dev-color); }
.team-chip-art     { background-color: var(--team-art-bg); color: var(--team-art-color); }
.team-chip-gd      { background-color: var(--team-gd-bg); color: var(--team-gd-color); }
.team-chip-anim    { background-color: var(--team-anim-bg); color: var(--team-anim-color); }
.team-chip-qa      { background-color: var(--team-qa-bg); color: var(--team-qa-color); }
.team-chip-ua      { background-color: var(--team-ua-bg); color: var(--team-ua-color); }
.team-chip-mo      { background-color: var(--team-mo-bg); color: var(--team-mo-color); }
.team-chip-da      { background-color: var(--team-da-bg); color: var(--team-da-color); }
.team-chip-bod     { background-color: var(--team-bod-bg); color: var(--team-bod-color); }
.team-chip-default { background-color: var(--team-default-bg); color: var(--team-default-color); }

.project-code-chip, .card-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 700;
  font-size: 11px;
  padding: 2px 6px;
  background-color: #F1F5F9;
  color: #334155;
  border-radius: var(--radius-sm);
  border: 1px solid #E2E8F0;
}

.project-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.team-chip {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.3px;
}

.size-chip {
  font-size: 11px;
  font-weight: 700;
  padding: 1px 5px;
  background-color: #F1F5F9;
  color: #475569;
  border-radius: var(--radius-sm);
}

/* ===================== THÔNG BÁO & CẢNH BÁO ===================== */
.notice {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  border: 1px solid transparent;
  margin-bottom: 16px;
}

.notice.error {
  background-color: #FEF2F2;
  border-color: #FCA5A5;
  color: #991B1B;
}

.notice.warn {
  background-color: #FFFBEB;
  border-color: #FDE68A;
  color: #92400E;
}

.notice.success {
  background-color: #F0FDF4;
  border-color: #86EFAC;
  color: #166534;
}

/* ===================== TRẠNG THÁI LOADING & EMPTY ===================== */
.state-box {
  padding: 60px 20px;
  text-align: center;
  max-width: 500px;
  margin: 40px auto;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.state-box.error {
  border-color: #FCA5A5;
}

.state-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #E2E8F0;
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

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

.empty-state-box {
  padding: 50px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.6;
}

.empty-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.empty-desc {
  font-size: 13px;
  color: var(--text-muted);
}

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

.pm-toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: #1E293B;
  color: #FFFFFF;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastSlideIn 0.25s ease forwards;
  max-width: 400px;
}

.pm-toast.fade-out {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s;
}

.pm-toast-success { background: #065F46; border-left: 4px solid #10B981; }
.pm-toast-error { background: #991B1B; border-left: 4px solid #EF4444; }
.pm-toast-warn { background: #92400E; border-left: 4px solid #F59E0B; }
.pm-toast-info { background: #1E293B; border-left: 4px solid #3B82F6; }

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

/* ===================== MODAL POPUP ===================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 540px;
  overflow: hidden;
  animation: modalScale 0.2s ease forwards;
}

@keyframes modalScale {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

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

.modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.modal-body {
  padding: 20px;
  max-height: calc(85vh - 120px);
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  background-color: #F8FAFC;
}

/* ===================== TASK DETAIL DRAWER ===================== */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 500;
  animation: fadeIn 0.2s ease;
}

.task-drawer {
  position: fixed;
  top: 0;
  right: -660px;
  width: 640px;
  max-width: 100%;
  height: 100vh;
  background: #FFFFFF;
  z-index: 501;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transition: right 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.task-drawer.open {
  right: 0;
}

.drawer-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  background: #F8FAFC;
}

.drawer-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.drawer-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.drawer-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.task-code-badge {
  font-family: monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-primary);
  padding: 2px 8px;
  background: var(--brand-primary-light);
  border-radius: var(--radius-sm);
}

.drawer-title-input {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  resize: vertical;
}

.drawer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.drawer-dates-card {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-top: 14px;
}

.drawer-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.drawer-section {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.drawer-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.drawer-section-head h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.save-indicator {
  font-size: 12px;
  font-weight: 600;
}
.save-indicator.saving { color: #D97706; }
.save-indicator.saved { color: #16A34A; }
.save-indicator.error { color: #DC2626; }

/* Phụ thuộc & Đính kèm & Bình luận trong drawer */
.dep-block {
  background: #F8FAFC;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.dep-subhead {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.dep-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  font-size: 12px;
}

.dep-item-blocking {
  border-color: #FCA5A5;
  background-color: #FEF2F2;
}

.dep-code {
  font-family: monospace;
  font-weight: 700;
  color: var(--brand-primary);
}

.dep-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.attachment-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 6px;
}

.att-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.att-name {
  font-weight: 600;
  color: var(--brand-primary);
  text-decoration: none;
}

.att-name:hover {
  text-decoration: underline;
}

.comment-item {
  padding: 10px 12px;
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
}

.comment-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.comment-author {
  font-weight: 700;
  font-size: 12px;
}

.comment-body {
  font-size: 13px;
  color: var(--text-primary);
  white-space: pre-wrap;
}

/* Lịch sử hoạt động (Activity log) */
.activity-timeline {
  position: relative;
  padding-left: 20px;
}

.activity-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 5px;
  width: 2px;
  background-color: #E2E8F0;
}

.activity-entry {
  position: relative;
  margin-bottom: 12px;
  font-size: 12px;
}

.activity-dot {
  position: absolute;
  left: -19px;
  top: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--brand-primary);
  border: 2px solid #FFFFFF;
}

.activity-actor {
  font-weight: 700;
}

.old-val {
  text-decoration: line-through;
}

.new-val {
  font-weight: 600;
  color: var(--brand-primary);
}

/* ===================== PROJECT CARDS GRID (MÀN B) ===================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.project-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #CBD5E1;
}

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

.project-card-title {
  margin: 0 0 10px 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.project-meta-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.progress-section {
  margin-bottom: 16px;
}

.progress-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background-color: #F1F5F9;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--brand-primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.project-stats-row {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.stat-pill {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
}

.stat-pill.doing {
  background-color: #FEF3C7;
  color: #B45309;
}

.stat-pill.late {
  background-color: #FEE2E2;
  color: #DC2626;
  font-weight: 700;
}

.stat-pill.on-time {
  background-color: #DCFCE7;
  color: #15803D;
}

.app-footer {
  text-align: center;
  padding: 24px 0;
  color: var(--text-light);
  font-size: 12px;
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
}