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

:root {
  --color-primary: #007aff;
  --color-primary-dark: #0056b3;
  --color-bg: #f2f2f7;
  --color-card: #ffffff;
  --color-text: #1c1c1e;
  --color-text-secondary: #8e8e93;
  --color-border: #e5e5ea;
  --color-danger: #ff3b30;
  --color-success: #34c759;
  --color-warning: #ff9500;
  --color-green: #34c759;
  --color-yellow: #ff9500;
  --color-red: #ff3b30;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html {
  font-family: var(--font);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 20px);
}

/* === Header === */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header h1 {
  font-size: 20px;
  font-weight: 700;
}

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

.header-actions button {
  padding: 8px 12px;
  font-size: 13px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  font-family: var(--font);
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  font-family: var(--font);
}

.btn-secondary:hover {
  background: rgba(0,122,255,0.08);
}

.btn-icon-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  font-family: var(--font);
}

.btn-icon-outline:hover {
  background: rgba(0,122,255,0.08);
}

.btn-icon-outline:active {
  background: rgba(0,122,255,0.15);
}

.btn-icon {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
}

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

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  font-family: var(--font);
}

.btn-danger:hover {
  opacity: 0.85;
}

/* === Sections === */
.section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
  padding: 16px 20px 8px;
}

.section-toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-right: 20px;
}

.section-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
}

.section-toggle:hover .toggle-arrow {
  color: var(--color-text);
}

.toggle-arrow {
  font-size: 12px;
  color: var(--color-text-secondary);
  transition: transform 0.2s;
  display: inline-block;
}

.toggle-arrow.collapsed {
  transform: rotate(-90deg);
}

.card-list[hidden] {
  display: none;
}

.card-list {
  padding: 0 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-secondary);
  font-size: 15px;
}

/* === Card (Collapsed) === */
.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  cursor: pointer;
  border-left: 4px solid var(--color-green);
  transition: box-shadow 0.2s;
  position: relative;
}

.card:active {
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.card:hover:not(.expanded) {
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.card.deadline-warning {
  border-left-color: var(--color-yellow);
}

.card.deadline-urgent {
  border-left-color: var(--color-red);
}

.card.completed-card {
  opacity: 0.6;
  border-left-color: var(--color-text-secondary);
}

.card-collapsed {
  cursor: pointer;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
}

.card-bank-name {
  font-size: 17px;
  font-weight: 700;
}

.card-bonus-amount {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-success);
}

.card-deadline {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.card-requirements-summary {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

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

/* === Card (Expanded) === */
.card-expanded-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.card.expanded .card-expanded-content {
  max-height: 3000px;
}

.card.expanded {
  cursor: default;
}

.expanded-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 12px 0;
}

.card-close-btn {
  display: flex;
  justify-content: flex-end;
  width: 100%;
  margin-bottom: 4px;
}

.expanded-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.detail-label {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.detail-value {
  font-weight: 500;
  text-align: right;
}

.notes-block {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  margin-top: 4px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* === Requirement Blocks (Expanded Card) === */
.requirement-block {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 12px;
  margin-top: 8px;
}

.requirement-block.req-completed {
  opacity: 0.5;
}

.requirement-block.req-completed .req-description {
  text-decoration: line-through;
}

.req-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  gap: 8px;
}

.req-description {
  font-size: 14px;
  font-weight: 600;
}

.req-checkbox {
  width: 22px;
  height: 22px;
  cursor: pointer;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.req-progress-text {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.req-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.req-slider {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-border);
  border-radius: 3px;
  outline: none;
}

.req-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
}

.req-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
}

.req-slider-value {
  font-size: 14px;
  font-weight: 600;
  min-width: 80px;
  text-align: right;
  cursor: pointer;
  color: var(--color-primary);
  white-space: nowrap;
}

.req-increment-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-increment {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1;
}

.btn-increment:hover {
  opacity: 0.85;
}

.btn-decrement {
  background: var(--color-text-secondary);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1;
}

.btn-decrement:hover {
  opacity: 0.75;
}

.req-balance-input {
  width: 140px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font);
}

/* === Deposit Dates === */
.deposit-dates {
  margin-top: 12px;
}

.deposit-dates h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.deposit-date-list {
  list-style: none;
  font-size: 13px;
  color: var(--color-text);
}

.deposit-date-list li {
  padding: 4px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
}

.deposit-date-list li:last-child {
  border-bottom: none;
}

.deposit-date-remove {
  color: var(--color-danger);
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-log-deposit {
  margin-top: 8px;
  font-size: 14px;
  padding: 8px 16px;
  min-height: 44px;
}

/* === Card Action Buttons === */
.card-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.card-actions button {
  flex: 1;
}

.btn-mark-complete {
  background: var(--color-success);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  margin-top: 12px;
  width: 100%;
  font-family: var(--font);
}

.btn-reactivate {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  margin-top: 12px;
  width: 100%;
  font-family: var(--font);
}

/* === Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-card);
  border-radius: 16px 16px 0 0;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 20px;
  padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.modal-overlay.visible .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 700;
}

/* === Form === */
.bonus-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.bonus-form input,
.bonus-form select,
.bonus-form textarea {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 16px;
  font-family: var(--font);
  margin-top: 4px;
  background: var(--color-card);
  color: var(--color-text);
  text-align: left;
  text-align-last: left;
  -webkit-appearance: none;
  appearance: none;
}

.bonus-form input[type="date"] {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.bonus-form input:focus,
.bonus-form select:focus,
.bonus-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}

.bonus-form fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 12px 4px;
  margin: 12px 0;
}

.bonus-form legend {
  font-size: 14px;
  font-weight: 700;
  padding: 0 6px;
  color: var(--color-text);
}

.open-length-row {
  display: flex;
  gap: 10px;
}

.open-length-row label {
  flex: 1;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  padding-bottom: 8px;
}

.form-actions button {
  flex: 1;
}

/* === Requirement form rows === */
.requirement-form-row {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 12px 12px 4px;
  margin-bottom: 8px;
  position: relative;
}

.requirement-form-row select,
.requirement-form-row input {
  margin-bottom: 8px;
}

.btn-remove-req {
  position: absolute;
  top: 4px;
  right: 4px;
  background: none;
  border: none;
  color: var(--color-danger);
  font-size: 20px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === Utility === */
/* === Update Banner === */
.update-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: env(safe-area-inset-top, 0) 16px 0;
  min-height: calc(44px + env(safe-area-inset-top, 0));
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}

.update-banner__msg {
  flex: 1;
  padding: 12px 0;
  cursor: pointer;
}

.update-banner__dismiss {
  background: none;
  border: none;
  color: #fff;
  font-size: 20px;
  line-height: 1;
  padding: 12px 4px 12px 16px;
  cursor: pointer;
  opacity: 0.8;
}

.update-banner__dismiss:active {
  opacity: 1;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* === Page Navigation === */
.app-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: calc(8px + env(safe-area-inset-top, 0px)) 16px 8px 20px;
  background: #0f1923;
}

.app-nav__brand {
  color: #fff;
  font-weight: 700;
  margin-right: auto;
}

.app-nav a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: 8px;
}

.app-nav a[aria-current="page"] {
  color: #fff;
  background: rgba(255,255,255,0.14);
}

/* === Planner === */
#planner {
  max-width: 640px;
  margin: 0 auto;
}

.profile-form {
  margin: 16px;
  padding: 16px;
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.bonus-form .checkbox-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-weight: 500;
  color: var(--color-text);
}

.bonus-form .checkbox-row input {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 0;
  padding: 0;
  -webkit-appearance: auto; /* .bonus-form input removes it, which hides the check mark */
  appearance: auto;
  accent-color: var(--color-primary);
}

.profile-form .btn-primary {
  width: 100%;
}

.plan-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 0 16px 12px;
}

.plan-summary > div,
.plan-summary > p {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
  text-align: center;
}

.plan-summary > p {
  grid-column: 1 / -1;
  color: var(--color-text-secondary);
  font-size: 15px;
}

.plan-summary strong {
  display: block;
  font-size: 20px;
}

.plan-summary span {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.plan-step,
.offer-card {
  cursor: default;
}

.offer-meta {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.offer-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 12px;
}

.offer-actions .btn-secondary {
  padding: 8px 14px;
  font-size: 14px;
}

.btn-link {
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.tier-list {
  list-style: none;
  margin: 8px 0;
  font-size: 14px;
}

.offer-notes {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.badge-new {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 6px;
  vertical-align: middle;
}

.disclaimer {
  font-size: 12px;
  line-height: 1.4;
  color: var(--color-text-secondary);
  padding: 8px 20px 24px;
}

.disclaimer a {
  color: inherit;
}

/* === Privacy === */
#privacy {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 20px 24px;
  line-height: 1.5;
}

#privacy h2 {
  font-size: 17px;
  margin: 24px 0 8px;
}

#privacy p + p,
#privacy ul + p {
  margin-top: 12px;
}

#privacy ul {
  padding-left: 20px;
}

#privacy li + li {
  margin-top: 8px;
}

.privacy-updated {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* === Admin === */
#admin {
  max-width: 640px;
  margin: 0 auto;
}

.form-title {
  font-size: 17px;
  margin-bottom: 12px;
}

.bonus-form small {
  display: block;
  font-weight: 400;
  margin-top: 4px;
}

.tier-row {
  display: grid;
  grid-template-columns: 1fr 1fr 44px;
  gap: 8px;
  align-items: center;
}

.btn-remove-tier {
  background: none;
  border: none;
  color: var(--color-danger);
  font-size: 22px;
  min-height: 44px;
  cursor: pointer;
}

.form-message {
  font-size: 14px;
  margin-bottom: 12px;
}

.form-message.error {
  color: var(--color-danger);
}

.form-message.success {
  color: var(--color-success);
}

.offer-actions .btn-danger {
  padding: 8px 14px;
  font-size: 14px;
}