/* =============================================
   Demo Project Styles
   Try asking Claude to change these values!
   ============================================= */

/* --- Page-wide settings --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: #e8f5e9;
  color: #2d3748;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Header --- */
header {
  background-color: #4a6fa5;
  color: white;
  text-align: center;
  padding: 2.5rem 1rem;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.1rem;
  opacity: 0.85;
  letter-spacing: 0.05em;
}

/* --- Main content area --- */
main {
  flex: 1;
  max-width: 800px;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* --- Cards --- */
.card {
  background-color: white;
  border-radius: 60px;
  padding: 1.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.15);
}

.card h2 {
  font-size: 1.4rem;
  color: #4a6fa5;
  margin-bottom: 1rem;
}

.card p {
  line-height: 1.7;
  color: #4a5568;
}

.card ul {
  padding-left: 1.5rem;
  line-height: 2;
  color: #4a5568;
}

/* --- Account card --- */
.balance-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: #2d3748;
  margin-bottom: 1.5rem;
}

.transactions-heading {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #a0aec0;
  margin-bottom: 0.75rem;
}

.transaction-list {
  list-style: none;
  padding: 0;
}

.transaction-list.scrollable {
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.4rem;
}

.transaction-list.scrollable::-webkit-scrollbar {
  width: 4px;
}

.transaction-list.scrollable::-webkit-scrollbar-track {
  background: transparent;
}

.transaction-list.scrollable::-webkit-scrollbar-thumb {
  background-color: #cbd5e0;
  border-radius: 4px;
}

.transaction {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f0f4f8;
}

.transaction:last-child {
  border-bottom: none;
}

.transaction-date {
  font-size: 0.85rem;
  color: #a0aec0;
  width: 7rem;
  flex-shrink: 0;
}

.transaction-comment {
  flex: 1;
  color: #4a5568;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
  mask-image: linear-gradient(to right, black 80%, transparent 100%);
}

.transaction-amount {
  font-weight: 600;
  flex-shrink: 0;
}

.transaction-amount.positive { color: #38a169; }
.transaction-amount.negative { color: #e53e3e; }

/* --- File controls --- */
.file-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  justify-content: flex-end;
}

.file-btn {
  padding: 0.25rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  background-color: #edf2f7;
  color: #718096;
  border: 1px solid #cbd5e0;
  border-radius: 50px;
  cursor: pointer;
  transition: background-color 0.2s ease;
  text-align: center;
}

.file-btn:hover { background-color: #e2e8f0; }

.file-load-label { display: flex; align-items: center; justify-content: center; }
.file-load-label input[type="file"] { display: none; }

/* --- Balance buttons --- */
.balance-buttons {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.balance-btn {
  flex: 1;
  padding: 0.6rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

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

.add-btn { background-color: #38a169; color: white; }
.add-btn:hover { background-color: #2f855a; }
.add-btn:disabled {
  background-color: #cbd5e0;
  color: #a0aec0;
  cursor: not-allowed;
  opacity: 0.7;
}
.add-btn:disabled:hover { background-color: #cbd5e0; }

.withdraw-btn { background-color: #e53e3e; color: white; }
.withdraw-btn:hover { background-color: #c53030; }

/* --- Modal overlay --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

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

.modal {
  background: white;
  border-radius: 24px;
  padding: 2rem;
  width: 90%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: #2d3748;
  margin: 0;
}

.modal input {
  padding: 0.65rem 1rem;
  border: 1px solid #cbd5e0;
  border-radius: 50px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.modal input:focus { border-color: #4a6fa5; }

.form-actions {
  display: flex;
  gap: 0.5rem;
}

.form-confirm, .form-cancel {
  flex: 1;
  padding: 0.6rem;
  border: none;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.form-confirm { background-color: #38a169; color: white; }
.form-confirm:hover { background-color: #2f855a; }
.confirm-withdraw { background-color: #e53e3e; }
.confirm-withdraw:hover { background-color: #c53030; }

.form-cancel { background-color: #e2e8f0; color: #4a5568; }
.form-cancel:hover { background-color: #cbd5e0; }

/* --- Editable comment --- */
.transaction-comment {
  position: relative;
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
  border-radius: 20px;
  padding: 0.2rem 0.4rem;
}

.transaction-comment:hover {
  transform: translateY(-3px);
  color: #4a6fa5;
}

.edit-icon {
  font-size: 0.75rem;
  margin-left: 0.35rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.transaction-comment:hover .edit-icon {
  opacity: 1;
}

.edited-badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #805ad5;
  background-color: #e9d8fd;
  border-radius: 20px;
  padding: 0.1rem 0.45rem;
  margin-left: 0.4rem;
  cursor: pointer;
  position: relative;
  vertical-align: middle;
  transition: background-color 0.2s ease;
}

.edited-badge:hover {
  background-color: #d6bcfa;
}

.original-tooltip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background-color: #2d3748;
  color: white;
  font-size: 0.8rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  white-space: nowrap;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  pointer-events: none;
  z-index: 10;
}

.original-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #2d3748;
}

.comment-input {
  flex: 1;
  padding: 0.25rem 0.75rem;
  border: 1.5px solid #4a6fa5;
  border-radius: 50px;
  font-size: 0.95rem;
  outline: none;
  color: #2d3748;
}

/* --- New transaction highlight --- */
@keyframes highlightRow {
  from { background-color: #c6f6d5; }
  to   { background-color: transparent; }
}

.new-transaction { animation: highlightRow 1s ease forwards; }

/* --- Interactive card --- */
.interactive-card {
  text-align: center;
}

#message-display {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  min-height: 1.7rem;
}

/* --- Button --- */
#main-button {
  background-color: #f97316;
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

#main-button:hover {
  background-color: #ea6c05;
}

#main-button:active {
  transform: scale(0.97);
}

.counter-text {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: #718096;
  min-height: 1.5rem;
}

/* --- Footer --- */
.version {
  opacity: 0.55;
  font-size: 0.8em;
}

footer {
  background-color: #2d3748;
  color: #a0aec0;
  text-align: center;
  padding: 1.25rem;
  font-size: 0.9rem;
}

/* --- Logout button --- */
.logout-btn {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 50px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.logout-btn:hover { background: rgba(255, 255, 255, 0.28); }

header { position: relative; }

/* --- Home screen --- */
.home-main {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 2rem 1rem;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.app-tile {
  background: white;
  border-radius: 32px;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.app-tile:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.13);
}

.tile-icon {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.tile-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2d3748;
}

.tile-desc {
  font-size: 0.82rem;
  color: #718096;
  line-height: 1.4;
}

.tile-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.tile-loading {
  pointer-events: none;
  opacity: 0.7;
}

.tile-loading .tile-icon::after {
  content: ' ⏳';
}

/* --- Balance loading state --- */
.balance-loading-msg {
  display: none;
  text-align: center;
  color: #a0aec0;
  font-size: 0.95rem;
  padding: 1.5rem 0;
}

.tile-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #e2e8f0;
  color: #718096;
  border-radius: 20px;
  padding: 0.15rem 0.5rem;
}

/* --- Home button in header --- */
.home-btn {
  position: absolute;
  top: 1rem;
  left: 1.25rem;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 50px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease;
}

.home-btn:hover { background: rgba(255, 255, 255, 0.28); }

@media (max-width: 600px) {
  .home-main {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1rem;
  }

  .app-tile {
    padding: 1.25rem 1rem;
    border-radius: 20px;
  }

  .tile-icon { font-size: 1.5rem; }
  .tile-label { font-size: 0.95rem; }

  .home-btn {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    top: 0.75rem;
    left: 0.75rem;
  }
}

/* --- Login page --- */
.login-main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 2rem 1rem;
  max-width: 100%;
  margin: 0 auto;
  gap: 0;
}

.login-card {
  width: 100%;
  max-width: 400px;
  border-radius: 32px; /* narrower card — 60px would look like an oval */
}

.login-card h2 {
  margin-bottom: 1.5rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.login-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #4a5568;
  padding-left: 0.25rem;
}

.login-field input {
  padding: 0.75rem 1.1rem;
  border: 1.5px solid #cbd5e0;
  border-radius: 50px;
  font-size: 1rem;
  outline: none;
  color: #2d3748;
  background-color: #f7fafc;
  transition: border-color 0.2s, background-color 0.2s;
  width: 100%;
}

.login-field input:focus {
  border-color: #4a6fa5;
  background-color: white;
}

.login-error {
  font-size: 0.9rem;
  color: #e53e3e;
  margin: 0;
  display: none;
  padding: 0.6rem 0.75rem;
  background-color: #fff5f5;
  border: 1px solid #fed7d7;
  border-radius: 12px;
  line-height: 1.5;
}

.login-error.visible { display: block; }

.login-btn {
  background-color: #4a6fa5;
  color: white;
  border: none;
  padding: 0.8rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  margin-top: 0.5rem;
}

.login-btn:hover  { background-color: #3a5a8a; }
.login-btn:active { transform: scale(0.98); }

/* --- Responsive (looks good on phones too) --- */
@media (max-width: 600px) {
  header h1 {
    font-size: 1.75rem;
  }

  /* Less aggressive rounding on small screens so cards don't feel cramped */
  .card {
    padding: 1.25rem;
    border-radius: 28px;
  }

  /* Stack balance buttons full width */
  .balance-buttons {
    flex-direction: column;
  }

  /* Shrink the date column so the comment has more room */
  .transaction-date {
    width: 5rem;
    font-size: 0.75rem;
  }

  /* Smaller amount text */
  .transaction-amount {
    font-size: 0.85rem;
  }

  /* Smaller balance figure */
  .balance-amount {
    font-size: 1.9rem;
  }

  /* Tap targets: make the form inputs easier to hit with a thumb */
  .transaction-form input,
  .form-confirm,
  .form-cancel {
    font-size: 1rem;
    padding: 0.75rem 1rem;
  }

  /* Smaller sign-out button so it doesn't overlap the title */
  .logout-btn {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    top: 0.75rem;
    right: 0.75rem;
  }

  /* Disable card hover-lift on touch devices — it has no effect and can look odd */
  .card:hover {
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  }

  /* Disable comment lift on touch */
  .transaction-comment:hover {
    transform: none;
    color: #4a5568;
  }
}