/* ===== CSS Variables ===== */
:root {
  --primary: #4a90d9;
  --primary-dark: #3a7bc8;
  --secondary: #6c757d;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --dark: #1a1a2e;
  --darker: #0f0f1a;
  --light: #f8f9fa;
  --gray: #6c757d;
  --gray-light: #e9ecef;
  --gray-dark: #343a40;

  --green: #28a745;
  --yellow: #ffc107;
  --red: #dc3545;

  --tap-target: 56px;
  --border-radius: 12px;
  --spacing: 16px;
  --nav-height: 64px;
  --header-height: 60px;
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--dark);
  color: var(--light);
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
}

/* ===== Screen Management ===== */
.screen {
  display: none;
  flex-direction: column;
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.screen.active {
  display: flex;
}

/* ===== Login Screen ===== */
#login-screen {
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
}

.login-logo {
  width: 120px;
  height: auto;
  margin-bottom: 1rem;
  border-radius: var(--border-radius);
}

.login-container {
  width: 90%;
  max-width: 360px;
  padding: var(--spacing);
  text-align: center;
}

.login-container h1 {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  color: var(--primary);
}

.form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--gray);
}

.form-group input {
  width: 100%;
  height: var(--tap-target);
  padding: 0 var(--spacing);
  border: 2px solid var(--gray-dark);
  border-radius: var(--border-radius);
  background: var(--darker);
  color: var(--light);
  font-size: 1rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.error-text {
  color: var(--danger);
  font-size: 0.9rem;
  margin-top: 1rem;
  min-height: 1.5rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-target);
  padding: 0 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, background 0.2s;
}

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

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

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

.btn-secondary {
  background: var(--gray-dark);
  color: var(--light);
}

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

.btn-warning {
  background: var(--warning);
  color: var(--dark);
}

.btn-large {
  width: 100%;
  height: 56px;
  font-size: 1.1rem;
}

.btn-full {
  width: 100%;
  margin-bottom: 0.75rem;
}

.btn-small {
  min-height: 40px;
  padding: 0 1rem;
  font-size: 0.9rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--light);
  font-size: 1.25rem;
  cursor: pointer;
  border-radius: 50%;
}

.btn-icon:active {
  background: rgba(255,255,255,0.1);
}

/* ===== App Header ===== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--spacing);
  background: var(--darker);
  border-bottom: 1px solid var(--gray-dark);
  flex-shrink: 0;
}

.app-header h1 {
  font-size: 1.25rem;
}

.date-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#current-date {
  font-size: 1.1rem;
  font-weight: 600;
  min-width: 120px;
  text-align: center;
}

/* ===== Bottom Navigation ===== */
.bottom-nav {
  display: flex;
  height: var(--nav-height);
  background: var(--darker);
  border-top: 1px solid var(--gray-dark);
  flex-shrink: 0;
}

.nav-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--gray);
  font-size: 1rem;
  cursor: pointer;
  transition: color 0.2s;
}

.nav-btn.active {
  color: var(--primary);
  font-weight: 600;
}

/* ===== Family Card Container ===== */
.family-card-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing);
  padding-bottom: 80px;
}

.family-card {
  background: var(--darker);
  border-radius: var(--border-radius);
  padding: var(--spacing);
  min-height: 300px;
}

.family-header {
  text-align: center;
  padding-bottom: var(--spacing);
  border-bottom: 1px solid var(--gray-dark);
  margin-bottom: var(--spacing);
}

.family-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.family-nav-btn {
  min-width: 44px;
  min-height: 44px;
  font-size: 1.5rem;
  color: var(--gray);
  background: var(--darker);
  border-radius: 50%;
}

.family-nav-btn:active {
  background: rgba(255,255,255,0.1);
  color: var(--light);
}

.family-title-section {
  flex: 1;
  text-align: center;
}

.family-header h2 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

#family-progress {
  color: var(--gray);
  font-size: 0.9rem;
}

.remaining {
  color: var(--primary);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* ===== Lock Indicator ===== */
.lock-indicator {
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid var(--warning);
  border-radius: var(--border-radius);
  padding: var(--spacing);
  text-align: center;
  margin-bottom: var(--spacing);
}

.lock-indicator .lock-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.lock-indicator .btn {
  margin-top: 1rem;
}

/* ===== Member List ===== */
.member-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.member-row {
  display: flex;
  align-items: center;
  min-height: var(--tap-target);
  padding: 0.5rem var(--spacing);
  background: var(--dark);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background 0.15s;
  -webkit-user-select: none;
  user-select: none;
}

.member-row:active {
  background: var(--gray-dark);
}

.member-row.selected {
  background: rgba(74, 144, 217, 0.2);
  border: 2px solid var(--primary);
}

.member-bubble {
  width: 28px;
  height: 28px;
  border: 2px solid var(--gray);
  border-radius: 50%;
  margin-right: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
}

.member-row.selected .member-bubble {
  background: var(--primary);
  border-color: var(--primary);
}

.member-row.selected .member-bubble::after {
  content: '✓';
  color: white;
  font-size: 0.9rem;
}

.member-info {
  flex: 1;
}

.member-name {
  font-size: 1rem;
}

/* Children are indented to distinguish from parents */
.member-row.child {
  margin-left: 1.5rem;
}

/* ===== Action Buttons ===== */
.action-buttons {
  display: flex;
  gap: 0.75rem;
  padding: var(--spacing);
  background: var(--darker);
  border-top: 1px solid var(--gray-dark);
}

.action-buttons .btn {
  flex: 1;
}

#submit-btn {
  flex: 1.5;
}

/* ===== Completion Card ===== */
.completion-content {
  text-align: center;
  padding: 2rem 0;
}

.completion-icon {
  width: 80px;
  height: 80px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1rem;
  color: white;
}

.completion-content h2 {
  margin-bottom: 1rem;
}

.completion-content p {
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.late-arrivals {
  border-top: 1px solid var(--gray-dark);
  padding-top: var(--spacing);
  margin-top: var(--spacing);
}

.late-arrivals p {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--gray);
}

.search-container {
  position: relative;
}

.search-container input {
  width: 100%;
  height: var(--tap-target);
  padding: 0 var(--spacing);
  border: 2px solid var(--gray-dark);
  border-radius: var(--border-radius);
  background: var(--dark);
  color: var(--light);
  font-size: 1rem;
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--dark);
  border: 1px solid var(--gray-dark);
  border-radius: var(--border-radius);
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.search-results.visible {
  display: block;
}

.search-result-item {
  padding: 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--gray-dark);
}

.search-result-item:hover,
.search-result-item:active {
  background: var(--gray-dark);
}

#lock-entry-btn {
  margin-top: var(--spacing);
  width: 100%;
}

/* ===== Stats Screen ===== */
.stats-summary {
  display: flex;
  padding: var(--spacing);
  gap: 0.5rem;
  background: var(--darker);
}

.stat-box {
  flex: 1;
  text-align: center;
  padding: 1rem 0.5rem;
  background: var(--dark);
  border-radius: var(--border-radius);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.view-toggle {
  display: flex;
  padding: 0 var(--spacing);
  margin-bottom: 0.5rem;
}

.toggle-btn {
  flex: 1;
  padding: 0.75rem;
  border: none;
  background: var(--darker);
  color: var(--gray);
  font-size: 0.9rem;
  cursor: pointer;
}

.toggle-btn.active {
  background: var(--primary);
  color: white;
}

.toggle-btn:first-child {
  border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.toggle-btn:last-child {
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.search-bar {
  padding: 0 var(--spacing) var(--spacing);
}

.search-bar input {
  width: 100%;
  height: 44px;
  padding: 0 var(--spacing);
  border: 1px solid var(--gray-dark);
  border-radius: var(--border-radius);
  background: var(--darker);
  color: var(--light);
  font-size: 1rem;
}

.stats-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--spacing);
  padding-bottom: calc(var(--nav-height) + var(--spacing));
}

.stats-row {
  display: flex;
  align-items: center;
  min-height: var(--tap-target);
  padding: 0.75rem;
  background: var(--darker);
  border-radius: var(--border-radius);
  margin-bottom: 0.5rem;
  cursor: pointer;
}

.stats-row:active {
  background: var(--gray-dark);
}

.stats-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.stats-indicator.green { background: var(--green); }
.stats-indicator.yellow { background: var(--yellow); }
.stats-indicator.red { background: var(--red); }

.stats-name {
  flex: 1;
  font-size: 0.95rem;
}

.stats-values {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
}

.stats-values span {
  min-width: 40px;
  text-align: right;
}

/* Family expanded view */
.stats-row.expanded {
  flex-direction: column;
  align-items: stretch;
}

.stats-row.expanded .stats-header {
  display: flex;
  align-items: center;
  width: 100%;
}

.stats-members {
  margin-top: 0.75rem;
  padding-left: 1.75rem;
}

.stats-member-row {
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  border-top: 1px solid var(--gray-dark);
}

.stats-member-row .member-name {
  flex: 1;
  color: var(--gray);
}

/* ===== Settings Screen ===== */
.settings-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing);
  padding-bottom: calc(var(--nav-height) + var(--spacing));
}

.settings-section {
  background: var(--darker);
  border-radius: var(--border-radius);
  padding: var(--spacing);
  margin-bottom: var(--spacing);
}

.settings-label {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 0.25rem;
}

.settings-value {
  font-size: 1.1rem;
  font-weight: 600;
}

.entry-status-list {
  margin: 1rem 0;
}

.entry-status-item {
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.9rem;
}

.entry-status-item .status-icon {
  margin-right: 0.5rem;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sync-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
}

.sync-dot.offline {
  background: var(--warning);
}

.sync-dot.error {
  background: var(--danger);
}

/* ===== Modals ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing);
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  background: var(--dark);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-large {
  max-width: 600px;
}

.modal-header {
  display: flex;
  align-items: center;
  padding: var(--spacing);
  border-bottom: 1px solid var(--gray-dark);
}

.modal-header h2 {
  flex: 1;
  font-size: 1.25rem;
  text-align: center;
  margin-right: 44px;
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing);
}

.modal-footer {
  display: flex;
  gap: 0.75rem;
  padding: var(--spacing);
  border-top: 1px solid var(--gray-dark);
}

.modal-footer .btn {
  flex: 1;
}

/* Children inputs in Add Family modal */
#children-inputs {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.child-input {
  display: flex;
  gap: 0.5rem;
}

.child-input input {
  flex: 1;
  height: 44px;
  padding: 0 var(--spacing);
  border: 2px solid var(--gray-dark);
  border-radius: var(--border-radius);
  background: var(--darker);
  color: var(--light);
  font-size: 1rem;
}

.child-input .remove-child {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

/* Import modal */
#import-data {
  width: 100%;
  min-height: 150px;
  padding: var(--spacing);
  border: 2px solid var(--gray-dark);
  border-radius: var(--border-radius);
  background: var(--darker);
  color: var(--light);
  font-family: monospace;
  font-size: 0.9rem;
  resize: vertical;
}

.import-preview {
  margin-top: var(--spacing);
  max-height: 200px;
  overflow-y: auto;
}

.import-preview-item {
  padding: 0.5rem;
  background: var(--darker);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.import-preview-item .family-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.import-preview-item .member-count {
  color: var(--gray);
  font-size: 0.8rem;
}

/* ===== Manage Families ===== */
.manage-families-list {
  max-height: 60vh;
  overflow-y: auto;
}

.manage-family-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--darker);
  border-radius: var(--border-radius);
  margin-bottom: 0.5rem;
  cursor: pointer;
}

.manage-family-item:active {
  background: rgba(255,255,255,0.1);
}

.manage-family-name {
  font-weight: 600;
}

.manage-family-count {
  color: var(--gray);
  font-size: 0.85rem;
}

.manage-family-arrow {
  color: var(--gray);
  font-size: 1.2rem;
}

/* Edit Members List */
.edit-members-list {
  max-height: 50vh;
  overflow-y: auto;
}

.edit-member-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--darker);
  border-radius: var(--border-radius);
  margin-bottom: 0.5rem;
}

.edit-member-info {
  flex: 1;
}

.edit-member-name {
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.edit-member-role {
  font-size: 0.8rem;
  color: var(--gray);
}

.edit-member-status {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.edit-member-status.active {
  background: rgba(40, 167, 69, 0.2);
  color: #28a745;
}

.edit-member-status.missionary {
  background: rgba(255, 193, 7, 0.2);
  color: #ffc107;
}

.edit-member-status.inactive {
  background: rgba(108, 117, 125, 0.2);
  color: #6c757d;
}

.status-select {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--gray-dark);
  border-radius: 4px;
  background: var(--dark);
  color: var(--light);
  font-size: 0.85rem;
}

.edit-family-actions {
  margin-top: var(--spacing);
  text-align: center;
}

.delete-member-btn {
  background: transparent;
  border: none;
  color: var(--danger);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* ===== Utility Classes ===== */
.hidden {
  display: none !important;
}

/* ===== Touch Feedback ===== */
@media (hover: none) {
  .btn:hover {
    background: inherit;
  }

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

/* ===== Safe Area (notch phones) ===== */
@supports (padding-top: env(safe-area-inset-top)) {
  .app-header {
    padding-top: env(safe-area-inset-top);
    height: calc(var(--header-height) + env(safe-area-inset-top));
  }

  .bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
    height: calc(var(--nav-height) + env(safe-area-inset-bottom));
  }
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.screen.active {
  animation: fadeIn 0.2s ease-out;
}