/* =====================================================
   RESET & BASE
   ===================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
}

body {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  background: #ffffff;
  color: #0a0a0a;
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: #0a0a0a;
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  opacity: 0.5;
}

/* =====================================================
   VARIABLES
   ===================================================== */

:root {
  --black:      #0a0a0a;
  --white:      #ffffff;
  --gray-100:   #f5f5f5;
  --gray-200:   #e8e8e8;
  --gray-400:   #999999;
  --gray-600:   #555555;
  --border:     1px solid #0a0a0a;
  --max-width:  960px;

  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   32px;
  --space-xl:   64px;
}

/* =====================================================
   LAYOUT
   ===================================================== */

.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

/* =====================================================
   HEADER & NAVIGATION
   ===================================================== */

.site-header {
  border-bottom: var(--border);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header__logo {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.site-header__logo::before {
  content: '$ ';
  font-weight: 400;
  color: var(--gray-400);
}

.site-header__logo::after {
  content: '_';
  color: var(--gray-400);
  animation: cursor-blink 1.2s step-end infinite;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.site-nav__link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  color: var(--gray-600);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.1s;
  line-height: 1.6;
}

.site-nav__link:hover,
.site-nav__link--active {
  color: var(--black);
  opacity: 1;
}

.site-nav__link--active {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-nav__link--signout {
  border-left: var(--border);
  margin-left: var(--space-xs);
  padding-left: var(--space-md);
}

/* =====================================================
   FLASH MESSAGES
   ===================================================== */

.flash {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8rem;
  border-bottom: 1px solid var(--gray-200);
}

.flash::before {
  content: '> ';
  color: var(--gray-400);
}

.flash--notice {
  background: var(--gray-100);
}

.flash--alert {
  background: var(--white);
  border-left: 3px solid var(--black);
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 7px 14px;
  border: var(--border);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.1s, color 0.1s;
  white-space: nowrap;
  line-height: 1.4;
  letter-spacing: 0.02em;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

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

.btn--primary:hover {
  background: var(--gray-600);
  color: var(--white);
  opacity: 1;
}

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

.btn--secondary:hover {
  background: var(--gray-100);
  opacity: 1;
}

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

.btn--danger:hover {
  background: var(--black);
  color: var(--white);
  opacity: 1;
}

.btn--small {
  font-size: 0.7rem;
  padding: 4px 10px;
}

/* =====================================================
   BACK LINK
   ===================================================== */

.back-link {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--gray-600);
  text-decoration: none;
  margin-bottom: var(--space-lg);
}

.back-link:hover {
  color: var(--black);
  opacity: 1;
}

/* =====================================================
   AUTH PAGES
   ===================================================== */

.auth-page {
  min-height: calc(100vh - 49px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: var(--space-xl);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  border: var(--border);
  padding: var(--space-lg);
}

.auth-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
}

.auth-card__title::before {
  content: '// ';
  color: var(--gray-400);
  font-weight: 400;
}

/* Devise error messages */
#error_explanation {
  border: var(--border);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  background: var(--gray-100);
}

#error_explanation h2 {
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

#error_explanation ul {
  list-style: none;
  padding: 0;
}

#error_explanation li {
  font-size: 0.78rem;
}

#error_explanation li::before {
  content: '! ';
  color: var(--gray-400);
}

/* Devise shared links */
.devise-links,
.devise-links + div {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.devise-links a {
  font-size: 0.75rem;
  color: var(--gray-600);
}

/* =====================================================
   FORM COMPONENTS
   ===================================================== */

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.form-field__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.form-field__input {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--black);
  background: var(--white);
  border: var(--border);
  padding: 8px 10px;
  width: 100%;
  outline: none;
  transition: outline 0.1s;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

.form-field__input:focus {
  outline: 2px solid var(--black);
  outline-offset: 1px;
}

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

select.form-field__input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%230a0a0a'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  cursor: pointer;
}

.form-field__hint {
  font-size: 0.72rem;
  color: var(--gray-400);
}

.form-field__currency-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.form-field__currency-symbol {
  position: absolute;
  left: 10px;
  font-size: 0.9rem;
  color: var(--gray-600);
  pointer-events: none;
  z-index: 1;
}

.form-field__input--currency {
  padding-left: 22px;
}

.form-row {
  display: flex;
  gap: var(--space-md);
}

.form-row--two-col > * {
  flex: 1;
}

.form-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
  align-items: center;
}

.form-errors {
  border: var(--border);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  background: var(--gray-100);
}

.form-errors__heading {
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.form-errors__list {
  list-style: none;
  padding: 0;
}

.form-errors__item {
  font-size: 0.78rem;
}

.form-errors__item::before {
  content: '! ';
  color: var(--gray-400);
}

/* =====================================================
   DASHBOARD
   ===================================================== */

.dashboard > section:first-child {
  margin-bottom: var(--space-xl);
}

.dashboard > section:first-child h1 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.dashboard > section:first-child h1::before {
  content: '$ ';
  color: var(--gray-400);
  font-weight: 400;
}

.dashboard__section {
  margin-bottom: var(--space-xl);
}

.dashboard__section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: var(--border);
}

.dashboard__section-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.dashboard__empty {
  font-size: 0.8rem;
  color: var(--gray-400);
  padding: var(--space-lg) 0;
}

.dashboard__empty::before {
  content: '— ';
}

/* =====================================================
   LOAN CARDS
   ===================================================== */

.loan-list {
  display: flex;
  flex-direction: column;
}

.loan-card {
  display: block;
  text-decoration: none;
  color: var(--black);
  border: var(--border);
  border-top: none;
  padding: var(--space-md);
  transition: background 0.1s;
}

.loan-list .loan-card:first-child {
  border-top: var(--border);
}

.loan-card:hover {
  background: var(--gray-100);
  opacity: 1;
}

.loan-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.loan-card__name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.loan-card__counterparty {
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-bottom: 4px;
}

.loan-card__amount {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.loan-card__detail {
  font-size: 0.72rem;
  color: var(--gray-400);
}

/* =====================================================
   LOAN STATUS BADGES
   ===================================================== */

.loan-status {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 5px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.loan-status--active    { color: var(--black); }
.loan-status--pending   { color: var(--gray-600); }
.loan-status--paid_off  { color: var(--gray-400); }
.loan-status--rejected  { color: var(--gray-400); }

/* =====================================================
   LOAN DETAIL PAGE
   ===================================================== */

.loan-detail__header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: var(--border);
}

.loan-detail__title-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.loan-detail__title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.loan-detail__counterparty {
  font-size: 0.78rem;
  color: var(--gray-600);
  margin-bottom: 4px;
}

.loan-detail__edit-name-link {
  font-size: 0.72rem;
  color: var(--gray-400);
}

.loan-detail__summary {
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: var(--space-sm);
}

.loan-detail__pending {
  border: var(--border);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  background: var(--gray-100);
}

.loan-detail__pending-message {
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
  color: var(--gray-600);
}

.loan-detail__rejection-reason {
  font-size: 0.85rem;
  margin-top: var(--space-sm);
  color: var(--gray-600);
}

.loan-detail__stats {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border: var(--border);
  background: var(--gray-100);
}

.loan-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.loan-stat__label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.loan-stat__value {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.loan-detail__schedule {
  margin-top: var(--space-lg);
}

.loan-detail__schedule-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: var(--border);
}

.loan-detail__section-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-600);
}

.loan-detail__actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
}

/* =====================================================
   PAYMENT SCHEDULE TABLE
   ===================================================== */

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  margin-bottom: var(--space-md);
}

.schedule-table__header {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-600);
  text-align: left;
  padding: var(--space-sm);
  border-bottom: var(--border);
  white-space: nowrap;
}

.schedule-table__row {
  border-bottom: 1px solid var(--gray-200);
  transition: background 0.1s;
}

.schedule-table__row:hover {
  background: var(--gray-100);
}

.schedule-table__row--received {
  opacity: 0.4;
}

.schedule-table__cell {
  padding: var(--space-sm);
  vertical-align: middle;
}

/* Right-align numeric columns: Payment, Principal, Interest, Balance */
.schedule-table__cell:nth-child(3),
.schedule-table__cell:nth-child(4),
.schedule-table__cell:nth-child(5),
.schedule-table__cell:nth-child(6) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* =====================================================
   PAYMENT STATUS
   ===================================================== */

.payment-status {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.payment-status--unpaid   { color: var(--gray-400); }
.payment-status--sent     { color: var(--gray-600); }
.payment-status--received { color: var(--black); }

/* =====================================================
   PAGINATION
   ===================================================== */

.pagination {
  display: flex;
  justify-content: flex-end;
  gap: 0;
  font-size: 0.78rem;
  margin-top: var(--space-md);
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 4px 9px;
  border: var(--border);
  margin-left: -1px;
  text-decoration: none;
  color: var(--black);
}

.pagination .current {
  background: var(--black);
  color: var(--white);
}

.pagination a:hover {
  background: var(--gray-100);
  opacity: 1;
}

/* =====================================================
   LOAN CREATION / EDIT FORM
   ===================================================== */

.loan-form-page {
  max-width: 560px;
}

.loan-form-page__title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.loan-form-page__title::before {
  content: '// ';
  color: var(--gray-400);
  font-weight: 400;
}

.loan-form-page__danger-zone {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--gray-200);
}

.loan-form-page__danger-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: var(--space-md);
}

/* =====================================================
   BORROWER REVIEW PAGE
   ===================================================== */

.loan-review {
  max-width: 560px;
}

.loan-review__title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.loan-review__title::before {
  content: '// ';
  color: var(--gray-400);
  font-weight: 400;
}

.loan-review__terms {
  border: var(--border);
  margin-bottom: var(--space-lg);
}

.loan-term {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--gray-200);
  gap: var(--space-md);
}

.loan-term:last-child {
  border-bottom: none;
}

.loan-term__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-600);
  white-space: nowrap;
}

.loan-term__value {
  font-size: 0.9rem;
  font-weight: 700;
  text-align: right;
}

.loan-review__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.loan-review__reject-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: var(--border);
  background: var(--gray-100);
}

/* =====================================================
   CONFIRM DELETE PAGE
   ===================================================== */

.confirm-delete-page {
  max-width: 560px;
}

.confirm-delete-page__title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.confirm-delete-page__title::before {
  content: '// ';
  color: var(--gray-400);
  font-weight: 400;
}

.confirm-delete-page__warning {
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  border: var(--border);
  background: var(--gray-100);
}

.confirm-delete-page__download {
  margin-bottom: var(--space-lg);
}

.confirm-delete-page__actions {
  display: flex;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
}

/* =====================================================
   MODAL
   ===================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-md);
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  background: var(--white);
  border: var(--border);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-lg);
}

.modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: var(--border);
}

.modal__title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.modal__title::before {
  content: '// ';
  color: var(--gray-400);
  font-weight: 400;
}

.modal__close {
  background: none;
  border: var(--border);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  padding: 2px 7px;
  color: var(--gray-600);
  line-height: 1.4;
  flex-shrink: 0;
  transition: background 0.1s, color 0.1s;
}

.modal__close:hover {
  background: var(--black);
  color: var(--white);
}

.modal__subtitle {
  font-size: 0.78rem;
  color: var(--gray-600);
  margin-bottom: var(--space-md);
}