/* ─── RESET & BASE ─── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0f0f1a;
  --bg-card: #1a1a2e;
  --bg-header: #16213e;
  --bg-input: #252540;
  --text: #e8e8f0;
  --text-dim: #8888a0;
  --primary: #4f8cff;
  --primary-hover: #3a7aef;
  --success: #2ed573;
  --danger: #ff4757;
  --warning: #ffa502;
  --border: #2a2a45;
  --radius: 12px;
  --radius-sm: 8px;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
}

.hidden { display: none !important; }

/* ─── SCREENS ─── */
.screen {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ─── SETUP SCREEN ─── */
.setup-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 16px;
}

.setup-logo {
  width: 72px;
  height: 72px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: bold;
  color: white;
  margin-bottom: 8px;
}

.setup-container h1 {
  font-size: 28px;
  font-weight: 700;
}

.setup-subtitle {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 8px;
}

.setup-help-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 14px;
  margin-top: 12px;
}

/* ─── FORMS ─── */
.form-group {
  width: 100%;
  max-width: 400px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group input[type="date"] {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--primary);
}

.error-msg {
  color: var(--danger);
  font-size: 13px;
  text-align: center;
  margin-top: 8px;
}

/* ─── BUTTONS ─── */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary:active {
  background: var(--primary-hover);
  transform: scale(0.97);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
}

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

.btn-block {
  width: 100%;
  max-width: 400px;
}

/* ─── HEADER ─── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  min-height: 56px;
  flex-shrink: 0;
}

.header-btn {
  background: none;
  border: none;
  color: var(--text);
  font-size: 22px;
  padding: 8px;
  cursor: pointer;
  width: 40px;
  text-align: center;
}

.header-title {
  font-size: 18px;
  font-weight: 600;
}

.month-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.month-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 16px;
  padding: 8px;
  cursor: pointer;
}

.month-title {
  font-size: 17px;
  font-weight: 600;
  min-width: 140px;
  text-align: center;
}

/* ─── CHECKLIST ─── */
.checklist-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  -webkit-overflow-scrolling: touch;
}

.checklist-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border-left: 4px solid var(--border);
  transition: all 0.25s;
}

.checklist-item.paid {
  border-left-color: var(--success);
  opacity: 0.7;
}

.checklist-item.overdue {
  border-left-color: var(--danger);
  background: #2a1520;
}

.check-circle {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.checklist-item.paid .check-circle {
  background: var(--success);
  border-color: var(--success);
}

.check-icon {
  color: white;
  font-size: 18px;
  font-weight: bold;
}

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

.item-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.checklist-item.paid .item-name {
  text-decoration: line-through;
  color: var(--text-dim);
}

.item-details {
  font-size: 13px;
  color: var(--text-dim);
}

.checklist-item.overdue .item-details {
  color: var(--danger);
}

/* ─── EMPTY STATE ─── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 48px 16px;
  color: var(--text-dim);
}

.empty-text {
  color: var(--text-dim);
  text-align: center;
  padding: 24px;
}

/* ─── SUMMARY BAR ─── */
.summary-bar {
  padding: 12px 20px;
  background: var(--bg-header);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 14px;
}

.summary-row:first-child {
  font-weight: 600;
  font-size: 15px;
}

.summary-value {
  font-weight: 600;
}

.summary-paid .summary-value { color: var(--success); }
.summary-pending .summary-value { color: var(--warning); }

/* ─── ANNUAL SUMMARY ─── */
.summary-content {
  flex: 1;
  overflow: auto;
  padding: 12px;
  -webkit-overflow-scrolling: touch;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  table-layout: fixed;
}

.summary-table th,
.summary-table td {
  text-align: center;
  padding: 8px 2px;
  border-bottom: 1px solid var(--border);
}

.summary-table thead th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 1;
}

.summary-table .col-name {
  text-align: left;
  padding-left: 4px;
  padding-right: 4px;
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 80px;
  width: 80px;
}

.summary-table .col-month {
  width: calc((100% - 80px) / 12);
  font-size: 14px;
}

.cell-paid { color: var(--success); }
.cell-pending { color: var(--primary); font-size: 10px !important; }
.cell-overdue { color: var(--danger); font-size: 10px !important; }
.cell-na { color: var(--border); }
.cell-inactive { color: var(--text-dim); font-size: 8px !important; }

.summary-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 4px;
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-dim);
}

/* ─── FAB ─── */
.fab {
  position: fixed;
  bottom: 110px;
  right: 20px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(79, 140, 255, 0.4);
  z-index: 10;
  transition: transform 0.2s;
}

.fab:active {
  transform: scale(0.9);
}

/* ─── CONFIG ─── */
.config-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  -webkit-overflow-scrolling: touch;
}

.config-section {
  margin-bottom: 24px;
}

.config-section h3 {
  font-size: 15px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.accounts-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.account-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
}

.account-card.account-inactive {
  opacity: 0.5;
}

.badge-inactive {
  font-size: 11px;
  font-weight: 500;
  color: var(--warning);
  background: rgba(255, 165, 2, 0.15);
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 6px;
}

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

.account-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.account-details, .account-months {
  font-size: 13px;
  color: var(--text-dim);
}

.account-actions {
  display: flex;
  gap: 4px;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.icon-btn:active {
  background: var(--bg-input);
}

.icon-btn-danger:active {
  color: var(--danger);
}

.connection-info {
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  font-size: 14px;
}

.status-ok { color: var(--success); }
.status-err { color: var(--danger); }

.config-actions {
  display: flex;
  gap: 10px;
}

.config-actions .btn {
  flex: 1;
  font-size: 14px;
  padding: 10px;
}

/* ─── MODAL ─── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 24px;
  padding-bottom: 0;
  width: 100%;
  max-width: 480px;
  max-height: 92vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 1;
}

.modal-content h3 {
  font-size: 20px;
  margin-bottom: 20px;
}

.modal-content .form-group {
  max-width: none;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  padding: 16px 0 24px;
  position: sticky;
  bottom: 0;
  background: var(--bg-card);
  flex-shrink: 0;
}

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

.modal-small {
  text-align: center;
  padding: 32px 24px;
}

.modal-small p {
  font-size: 16px;
  margin-bottom: 8px;
}

/* ─── CHECKBOX ─── */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--text);
  cursor: pointer;
  padding: 8px 0;
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

.months-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 10px;
}

.month-check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  padding: 6px 4px;
  cursor: pointer;
}

.month-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* ─── LOADING ─── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  color: var(--text);
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  z-index: 300;
  animation: toastIn 0.3s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ─── SAFE AREA (notch) ─── */
@supports (padding-top: env(safe-area-inset-top)) {
  .header {
    padding-top: calc(12px + env(safe-area-inset-top));
  }
  .summary-bar {
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
  }
}