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

:root {
  --bg:        #0f0f0f;
  --surface:   #1a1a1a;
  --surface2:  #242424;
  --border:    #2e2e2e;
  --text:      #e8e8e8;
  --text-muted:#888;
  --accent:    #4caf82;
  --danger:    #e05252;
  --warning:   #c8a84b;
  --radius:    10px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
}

.hidden { display: none !important; }

/* === Login === */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-view {
  width: 100%;
  padding: 1rem;
  display: flex;
  justify-content: center;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-icon { font-size: 3rem; margin-bottom: 0.5rem; }

.login-card h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

/* === Form Groups === */
.form-group { margin-bottom: 1rem; text-align: left; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.65rem 0.9rem;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7);
}

.error-msg {
  color: var(--danger);
  font-size: 0.85rem;
  min-height: 1.2rem;
  margin-bottom: 0.5rem;
}

/* === Buttons === */
.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: opacity 0.2s;
  margin-top: 0.5rem;
}

.btn-primary:hover, .btn-primary:active { opacity: 0.85; }

.btn-secondary {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

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

.btn-danger {
  flex: 1;
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

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

/* === Header === */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: env(safe-area-inset-top, 0) 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  gap: 1rem;
}

.header-title { font-size: 1.1rem; font-weight: 700; }

.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

#header-user {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color 0.2s, color 0.2s;
}

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

/* === Main === */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* === Stats Bar === */
.stats-bar {
  display: flex;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.stat-item { flex: 1; min-width: 120px; }

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

.stat-outstanding { color: var(--warning); }
.stat-interest    { color: var(--accent);  }

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* === Sections === */
.section { margin-bottom: 2rem; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-toggle {
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  margin-bottom: 0.5rem;
}

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

.chevron {
  font-style: normal;
  font-size: 1rem;
  transition: transform 0.2s;
  display: inline-block;
}

.count-badge {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.1rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.empty-msg {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.9rem;
  padding: 0.5rem 0;
}

/* === Loan Cards === */
.loan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  animation: fadeInUp 0.2s ease both;
}

.loan-card-dim {
  opacity: 0.65;
}

.loan-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.loan-amount {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  margin-right: 0.5rem;
}

.loan-borrower {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-right: 0.5rem;
}

.loan-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* === Status Badges === */
.badge {
  display: inline-block;
  border-radius: 20px;
  padding: 0.15rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-pending  { background: rgba(200,168,75,0.2);  color: var(--warning); }
.badge-active   { background: rgba(76,175,130,0.2);  color: var(--accent);  }
.badge-rejected { background: rgba(224,82,82,0.2);   color: var(--danger);  }
.badge-closed   { background: rgba(136,136,136,0.15);color: var(--text-muted); }
.badge-overdue  { background: rgba(224,82,82,0.2);   color: var(--danger);  }

.loan-card-overdue { border-color: rgba(224,82,82,0.4); }

/* === Loan Details === */
.loan-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.detail-label {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-right: 0.25rem;
}

/* === Loan Actions === */
.loan-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.btn-approve, .btn-reject, .btn-add-payment, .btn-close-loan {
  border: none;
  border-radius: 6px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: opacity 0.2s;
}

.btn-approve     { background: rgba(76,175,130,0.2); color: var(--accent); }
.btn-reject      { background: rgba(224,82,82,0.2);  color: var(--danger); }
.btn-add-payment { background: var(--surface2); border: 1px solid var(--border); color: var(--text); }
.btn-close-loan  { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }

.btn-approve:hover,
.btn-reject:hover,
.btn-add-payment:hover,
.btn-close-loan:hover { opacity: 0.75; }

.btn-new-loan {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-new-loan:hover { opacity: 0.85; }

/* === Notiz === */
.note-section {
  border-top: 1px solid var(--border);
  padding-top: 0.6rem;
  margin-top: 0.25rem;
  margin-bottom: 0.25rem;
  font-size: 0.82rem;
}

.note-display {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.note-empty { font-style: italic; }

.btn-note-edit {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.8rem;
  opacity: 0.5;
  padding: 0;
  line-height: 1;
  transition: opacity 0.15s;
}

.btn-note-edit:hover { opacity: 1; }

.note-edit-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.btn-note-cancel, .btn-note-save {
  border-radius: 6px;
  padding: 0.25rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
}

.btn-note-cancel { background: transparent; color: var(--text-muted); }
.btn-note-save   { background: var(--accent); color: #fff; border-color: var(--accent); }

/* === Interest Hint === */
.interest-hint {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 400;
  margin-left: 0.25rem;
}

/* === Payment List === */
.empty-payments {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0.5rem 0;
}

.payment-list {
  background: var(--surface2);
  border-radius: 8px;
  overflow: hidden;
  margin: 0.75rem 0;
  font-size: 0.82rem;
}

.payment-header {
  display: grid;
  grid-template-columns: 90px 1fr 1fr 1fr auto;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  background: var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.payment-actions { display: flex; gap: 0.2rem; justify-content: flex-end; }

.btn-edit-payment, .btn-delete-payment {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.8rem;
  opacity: 0.4;
  padding: 0.1rem 0.2rem;
  transition: opacity 0.15s;
  line-height: 1;
}

.btn-edit-payment:hover   { opacity: 1; }
.btn-delete-payment:hover { opacity: 1; color: var(--danger); }

.payment-row {
  display: grid;
  grid-template-columns: 90px 1fr 1fr 1fr auto;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-top: 1px solid var(--border);
}

.payment-interest { color: var(--accent); }

.payment-totals {
  display: grid;
  grid-template-columns: 90px 1fr 1fr 1fr auto;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  border-top: 1px solid var(--border);
  background: var(--border);
  font-size: 0.82rem;
  font-weight: 700;
}

.payment-note {
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* === Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.22s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.modal-card h2 {
  margin-bottom: 1.25rem;
  font-size: 1.2rem;
}

.modal-card-wide { max-width: 520px; }

.modal-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-top h2 { margin-bottom: 0; }

.modal-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 1.25rem 0 0.6rem;
}

.stats-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1.5rem;
  margin-bottom: 0.25rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.modal-actions .btn-primary { flex: 1; margin-top: 0; }

.pw-hint {
  background: rgba(76,175,130,0.1);
  border: 1px solid rgba(76,175,130,0.3);
  color: var(--accent);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

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

.note-textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  resize: vertical;
  min-height: 80px;
  transition: border-color 0.2s;
}

.note-textarea:focus { border-color: var(--accent); }

/* === Interest by Year === */
.year-table {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.year-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.year-row:first-child { border-top: none; }
.year-label { color: var(--text-muted); }
.year-value { font-weight: 700; color: var(--accent); }

/* === User Management === */
.user-list { display: flex; flex-direction: column; gap: 0.5rem; }

.user-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}

.user-row-main {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 160px;
}

.user-name { font-weight: 700; }

.user-email {
  flex: 1;
  font-size: 0.85rem;
  color: var(--text-muted);
  min-width: 100px;
}

.user-actions { display: flex; gap: 0.25rem; margin-left: auto; }

.btn-edit-user, .btn-delete-user {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  opacity: 0.4;
  padding: 0.2rem 0.3rem;
  transition: opacity 0.15s;
  line-height: 1;
}

.btn-edit-user:hover  { opacity: 1; }
.btn-delete-user:hover { opacity: 1; color: var(--danger); }

.user-edit-form {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.user-edit-email-row {
  display: flex;
  gap: 0.5rem;
}

.user-email-input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.user-email-input:focus { border-color: var(--accent); }

.btn-save-email {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.btn-save-email:hover { opacity: 0.85; }

.btn-reset-pw {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-start;
  transition: border-color 0.2s, color 0.2s;
}

.btn-reset-pw:hover { border-color: var(--warning); color: var(--warning); }

/* === Temp Password Box === */
.temp-pw-box {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: monospace;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--accent);
  user-select: all;
}

/* === Logs === */
.log-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.log-filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 20px;
  padding: 0.2rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.log-filter-btn:hover { border-color: var(--text-muted); color: var(--text); }
.log-filter-btn.active { background: var(--surface2); border-color: var(--accent); color: var(--accent); }

.btn-clear-logs {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--danger);
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-clear-logs:hover { background: rgba(224,82,82,0.1); }

.log-list { display: flex; flex-direction: column; gap: 1px; max-height: 55vh; overflow-y: auto; }

.log-entry {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  font-size: 0.82rem;
  flex-wrap: wrap;
}
.log-entry:nth-child(even) { background: var(--surface2); }

.log-time { color: var(--text-muted); font-size: 0.75rem; white-space: nowrap; min-width: 65px; font-family: monospace; }
.log-msg  { color: var(--text); flex: 1; }

.log-badge-auth     { background: rgba(91,141,217,0.2);  color: #5b8dd9; }
.log-badge-loan     { background: rgba(76,175,130,0.2);  color: var(--accent); }
.log-badge-payment  { background: rgba(76,175,170,0.2);  color: #4cafa8; }
.log-badge-email    { background: rgba(155,89,182,0.2);  color: #9b59b6; }
.log-badge-user     { background: rgba(200,168,75,0.2);  color: var(--warning); }
.log-badge-error    { background: rgba(224,82,82,0.2);   color: var(--danger); }
.log-badge-settings { background: rgba(136,136,136,0.15);color: var(--text-muted); }

/* === Settings === */
.settings-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}

.settings-secure-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 70px;
}

.toggle-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 0.55rem 0;
}

.toggle-track {
  width: 40px;
  height: 22px;
  background: var(--border);
  border-radius: 11px;
  position: relative;
  transition: background 0.2s;
}

input[type="checkbox"]:checked + .toggle-track { background: var(--accent); }

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

input[type="checkbox"]:checked + .toggle-track .toggle-thumb { transform: translateX(18px); }
input[type="checkbox"] { display: none; }

.settings-test-row {
  display: flex;
  gap: 0.5rem;
}

.settings-test-row input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.settings-test-row input:focus { border-color: var(--accent); }

.settings-test-result {
  font-size: 0.85rem;
  margin-top: 0.4rem;
  padding: 0.1rem 0;
}

/* === Animations === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1)    translateY(0); }
}

/* === Responsive === */
@media (max-width: 520px) {
  main { padding: 1rem 0.75rem 3rem; }

  .payment-header,
  .payment-row,
  .payment-totals { grid-template-columns: 80px 1fr 1fr; }

  .payment-header span:last-child,
  .payment-row    span:last-child,
  .payment-totals span:last-child { display: none; }

  .modal-card { padding: 1.25rem; }

  .header-right #header-user { display: none; }
}