:root {
  --bg: #0c0c0c;
  --bg-card: #161616;
  --bg-hover: #1e1e1e;
  --border: #252525;
  --text: #e8e4dc;
  --text-muted: #777;
  --accent: #d4a647;
  --accent-hover: #e6bc5e;
  --danger: #a33;
  --radius: 6px;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  min-height: 100vh;
}

/* LOGIN */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  text-align: center;
  max-width: 360px;
  width: 100%;
  padding: 2rem;
}

.login-box h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.3rem;
}

.dot { color: var(--accent); }

.login-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-display);
  font-weight: 300;
}

.login-box input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  text-align: center;
  margin-bottom: 1rem;
  outline: none;
}

.login-box input:focus { border-color: var(--accent); }

.login-box button {
  width: 100%;
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.9rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.login-box button:hover { background: var(--accent-hover); }

.login-error {
  color: var(--danger);
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(12, 12, 12, 0.95);
  backdrop-filter: blur(10px);
  z-index: 50;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text);
  text-decoration: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--accent); }

.nav-logout {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-logout:hover { color: var(--text); }

/* MAIN */
.main { max-width: 800px; margin: 0 auto; padding: 1.5rem; }

/* UPLOAD */
.upload-zone { margin-bottom: 1.5rem; }

.drop-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.drop-area:hover,
.drop-area.dragover {
  border-color: var(--accent);
  background: rgba(212, 166, 71, 0.05);
}

.drop-icon {
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.drop-text {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.drop-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.upload-options {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.8rem;
  align-items: center;
}

.folder-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.85rem;
  flex: 1;
}

.upload-btn {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

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

.upload-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.upload-preview .preview-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* NEW FOLDER */
.new-folder-row { margin-bottom: 1.5rem; }

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

.folder-form input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.85rem;
  outline: none;
}

.folder-form input:focus { border-color: var(--accent); }

.folder-form button {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.folder-form button:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* BREADCRUMBS */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

.breadcrumbs a { color: var(--accent); text-decoration: none; }
.crumb-current { color: var(--text); }

/* FOLDERS ROW */
.folders-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.folder-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.folder-card:hover { border-color: var(--accent); }
.folder-icon { font-size: 1.2rem; }

/* FILE LIST */
.file-list { display: flex; flex-direction: column; gap: 2px; }

.file-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  transition: background 0.15s;
}

.file-row:hover { background: var(--bg-hover); }

.file-folder {
  text-decoration: none;
  color: var(--text);
}

.file-icon { font-size: 1.3rem; flex-shrink: 0; }

.file-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.file-name {
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* INLINE AUDIO PLAYER */
.inline-player { display: none; }

.play-btn-sm {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}

.play-btn-sm:hover {
  border-color: var(--accent);
  background: rgba(212, 166, 71, 0.1);
}

.play-btn-sm.playing {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* ACTION BUTTONS */
.action-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-decoration: none;
  transition: all 0.2s;
}

.action-btn:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.delete-form { display: inline; }
.delete-btn:hover {
  border-color: var(--danger) !important;
  color: var(--danger) !important;
}

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
  font-size: 1rem;
}

/* ─── EXPENSES ─────────────────────────────────────────── */

.expenses-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.add-expense-btn {
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s;
}

.add-expense-btn:hover { background: var(--accent-hover); }

/* FILTERS */
.expense-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.expense-filters select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.85rem;
}

/* SUMMARY */
.expense-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  margin-bottom: 1.5rem;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.summary-label {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.summary-amount {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent);
}

.summary-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.breakdown-cat { color: var(--text-muted); }
.breakdown-amt { color: var(--text); }

/* EXPENSE LIST */
.expense-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.expense-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  transition: background 0.15s;
}

.expense-row:hover { background: var(--bg-hover); }

.expense-date {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  white-space: nowrap;
  min-width: 50px;
}

.expense-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.expense-desc {
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.expense-meta {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.2rem;
}

.expense-cat-tag {
  font-size: 0.7rem;
  background: rgba(212, 166, 71, 0.15);
  color: var(--accent);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.expense-vendor, .expense-by {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.expense-amount {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  white-space: nowrap;
  min-width: 70px;
  text-align: right;
}

.expense-actions {
  display: flex;
  gap: 0.3rem;
  align-items: center;
}

/* EXPENSE FORM */
.expense-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea { resize: vertical; }

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.receipt-input {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.receipt-existing {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.receipt-existing a { color: var(--accent); text-decoration: none; }
.receipt-existing a:hover { text-decoration: underline; }

.form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 0.5rem;
}

.submit-btn {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.7rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

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

.cancel-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
}

.cancel-link:hover { color: var(--text); }

.form-error {
  background: rgba(170, 51, 51, 0.15);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .main { padding: 1rem; }
  .drop-area { padding: 2rem 1rem; }
  .file-name { font-size: 0.82rem; }
  .nav { padding: 1rem; }
  .nav-right { gap: 0.8rem; }
  .expenses-header { flex-direction: column; gap: 0.8rem; align-items: flex-start; }
  .form-row-2 { grid-template-columns: 1fr; }
  .expense-row { flex-wrap: wrap; }
  .expense-actions { width: 100%; justify-content: flex-end; margin-top: 0.3rem; }
}