/* ─── Login Screen ─────────────────────────────────────────── */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1e293b;
}

.login-box {
  text-align: center;
  width: 100%;
  max-width: 320px;
  padding: 0 20px;
}

.login-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
  line-height: 1.3;
}

.login-subtitle {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: #94a3b8;
}

#login-form .form-group {
  margin-bottom: 12px;
}

#login-password {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  border: 2px solid #334155;
  border-radius: 8px;
  background: #0f172a;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0.1em;
  transition: border-color 150ms ease;
}

#login-password::placeholder {
  color: #64748b;
  letter-spacing: 0;
}

#login-password:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.login-btn {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  font-weight: 700;
}

.login-error {
  margin-top: 14px;
  font-size: 0.85rem;
  color: #f87171;
  min-height: 1.3em;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

.shake {
  animation: shake 0.4s ease;
}

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

:root {
  --color-bg: #f0f2f5;
  --color-card: #ffffff;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-danger: #dc2626;
  --color-danger-hover: #b91c1c;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --color-badge-bg: #e0e7ff;
  --color-badge-text: #3730a3;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.12);
  --transition: 150ms ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ─── Header ──────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.header-subtitle {
  display: block;
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-muted);
}

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

.filter-select {
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-card);
  color: var(--color-text);
  cursor: pointer;
}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

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

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

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

.btn-secondary:hover {
  background: #cbd5e1;
}

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

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

.btn-sm {
  padding: 4px 10px;
  font-size: 0.8rem;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-muted);
  font-size: 1.1rem;
  transition: background var(--transition), color var(--transition);
}

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

.btn-icon.danger:hover {
  background: #fef2f2;
  color: var(--color-danger);
}

/* ─── Container ───────────────────────────────────────────── */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 16px;
}

/* ─── Loading ─────────────────────────────────────────────── */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--color-muted);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-bottom: 12px;
}

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

/* ─── Empty State ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--color-muted);
}

.empty-state p {
  margin-bottom: 16px;
  font-size: 1.1rem;
}

/* ─── Project Card ────────────────────────────────────────── */
.project-card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.project-header {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  gap: 10px;
  border-bottom: 1px solid var(--color-border);
  background: #1e293b;
}

.drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  cursor: grab;
  color: var(--color-muted);
  font-size: 1.2rem;
  border-radius: var(--radius-sm);
  touch-action: none;
}

.drag-handle:hover {
  background: var(--color-border);
}

.drag-handle:active {
  cursor: grabbing;
}

.project-info {
  flex: 1;
  min-width: 0;
}

.project-name-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.project-name {
  flex: 1;
  min-width: 0;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #ffffff;
}

.project-cost {
  flex-shrink: 0;
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  white-space: nowrap;
}

.project-totals {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: #94a3b8;
  margin-top: 2px;
}

.project-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.project-header .drag-handle {
  color: #94a3b8;
}

.project-header .drag-handle:hover {
  background: rgba(255,255,255,0.1);
}

.project-header .btn-icon {
  color: #94a3b8;
}

.project-header .btn-icon:hover {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
}

.project-header .btn-icon.danger:hover {
  background: rgba(220,38,38,0.2);
  color: #fca5a5;
}

/* ─── Task List ───────────────────────────────────────────── */
.task-list {
  min-height: 4px;
}

.task-list-empty {
  padding: 16px 16px 16px 60px;
  color: var(--color-muted);
  font-size: 0.85rem;
  font-style: italic;
}

/* ─── Task Card ───────────────────────────────────────────── */
.task-card {
  display: flex;
  align-items: center;
  padding: 10px 16px 10px 16px;
  gap: 10px;
  border-bottom: 1px solid #f3f4f6;
  transition: background var(--transition);
}

.task-card:last-child {
  border-bottom: none;
}

.task-card:hover {
  background: #f8fafc;
}

.task-info {
  flex: 1;
  min-width: 0;
}

.task-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.task-name {
  flex: 1;
  min-width: 0;
  font-size: 0.9rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-name-row .defcon-select {
  flex-shrink: 0;
}

.task-name.done {
  text-decoration: line-through;
  color: var(--color-muted);
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--color-muted);
}

.task-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* ─── Defcon Badges ───────────────────────────────────────── */
.defcon-select {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  background-image: none;
}

.defcon-1 { background: #dc2626; color: #fff; }
.defcon-2 { background: #eab308; color: #fff; }
.defcon-3 { background: #26a9d9; color: #fff; }
.defcon-4 { background: #64748b; color: #fff; }
.defcon-5 { background: #1e293b; color: #fff; }

/* ─── Badges & Pills ─────────────────────────────────────── */
.category-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  background: #1e293b;
  color: #ffffff;
}

.status-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: capitalize;
}

.status-todo {
  background: #e2e8f0;
  color: #475569;
}

.status-in-progress {
  background: #fef3c7;
  color: #92400e;
}

.status-done {
  background: #d1fae5;
  color: #065f46;
}

/* ─── Move Arrows ─────────────────────────────────────────── */
.move-arrows {
  display: none;
  flex-direction: column;
  gap: 2px;
}

.move-arrows .btn-icon {
  width: 28px;
  height: 28px;
  font-size: 0.9rem;
}

.task-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

/* ─── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.4);
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
}

.confirm-modal {
  max-width: 360px;
  text-align: center;
}

.confirm-modal p {
  margin-bottom: 20px;
  font-size: 1rem;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-header .btn-icon {
  font-size: 1.5rem;
}

/* ─── Form ────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

.form-row .form-group {
  flex: 1;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ─── Toast ───────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: #fff;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.3s ease;
  max-width: 320px;
}

.toast-success { background: var(--color-success); }
.toast-error { background: var(--color-danger); }
.toast-info { background: var(--color-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── SortableJS Feedback ─────────────────────────────────── */
.sortable-ghost {
  opacity: 0.3;
}

.sortable-chosen {
  box-shadow: var(--shadow-lg);
}

.sortable-drag {
  box-shadow: var(--shadow-lg);
}

/* ─── Add Task Button Row ─────────────────────────────────── */
.add-task-row {
  padding: 8px 16px;
  border-top: 1px solid #f3f4f6;
}

.add-task-row .btn {
  width: 100%;
  justify-content: center;
  color: var(--color-muted);
  background: transparent;
  border: 1px dashed var(--color-border);
}

.add-task-row .btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: #eff6ff;
}

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .header {
    padding: 10px 14px;
  }

  .header-title {
    font-size: 1.1rem;
  }

  .container {
    padding: 10px;
  }

  .project-header {
    flex-wrap: wrap;
    padding: 12px;
    gap: 8px;
  }

  .project-info {
    order: 1;
    flex: 1;
  }

  .drag-handle {
    order: 0;
  }

  .project-actions {
    order: 2;
  }

  .project-totals {
    flex-wrap: wrap;
    gap: 8px;
  }

  .task-card {
    padding: 10px 12px;
    gap: 8px;
  }

  .task-meta {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }

  .task-meta-item {
    white-space: nowrap;
  }

  .move-arrows {
    display: none;
  }

  .modal {
    max-width: 100%;
    padding: 20px 16px;
  }

  .modal-actions {
    flex-direction: column-reverse;
  }

  .modal-actions .btn {
    width: 100%;
    padding: 12px;
  }

  .form-group input,
  .form-group select {
    padding: 12px;
    font-size: 1rem;
  }

  .toast-container {
    left: 10px;
    right: 10px;
    bottom: 10px;
  }

  .toast {
    max-width: 100%;
  }
}