/* =====================================================
   OLABANK — PREMIUM REDESIGN
   Palette: deep navy ink + champagne gold on ivory
   ===================================================== */

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

:root {
  /* Surfaces */
  --bg: #f6f3ec;              /* ivory page */
  --bg-elev: #fbfaf6;          /* lifted ivory */
  --card: #ffffff;             /* card surface */

  /* Ink */
  --ink: #0b1b2b;              /* deep navy — primary text & nav */
  --ink-2: #1c2e44;            /* secondary navy */
  --text: #2b3a4c;             /* body text */
  --muted: #8a8578;            /* warm muted */
  --muted-2: #b8b2a4;          /* lighter muted */

  /* Accents */
  --gold: #b8924a;             /* champagne gold */
  --gold-2: #d4b06a;           /* lighter gold */
  --gold-soft: #efe3c8;        /* gold tint */

  /* Semantic */
  --positive: #1f6f4a;         /* refined emerald (deposits) */
  --negative: #963a3a;         /* refined oxblood (withdrawals) */

  /* Lines */
  --line: #ece7da;             /* hairline on ivory */
  --line-strong: #d9d2c1;

  /* Radius & shadow */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --shadow-card: 0 1px 0 rgba(11, 27, 43, 0.04),
                 0 8px 24px -16px rgba(11, 27, 43, 0.18);
}

/* =====================================================
   GLOBAL
   ===================================================== */
html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
    sans-serif;
  font-feature-settings: 'ss01', 'cv11';
  background-color: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
}

button {
  font-family: inherit;
}

/* =====================================================
   NAVIGATION
   ===================================================== */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 4rem;
  background-color: var(--bg-elev);
  border-bottom: 1px solid var(--line);
}

.logo {
  height: 48px;
  width: auto;
  display: block;
}

.welcome {
  font-family: 'Playfair Display', serif;
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.login {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.login__input {
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line-strong);
  background: var(--card);
  border-radius: var(--r-sm);
  text-align: center;
  width: 110px;
  font-size: 0.9rem;
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login__input::placeholder {
  color: var(--muted-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.login__input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

.login__btn {
  padding: 0.55rem 1rem;
  border: none;
  border-radius: var(--r-sm);
  background-color: var(--ink);
  color: #fff;
  cursor: pointer;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.login__btn:hover {
  background-color: var(--gold);
}

.login__btn:active {
  transform: translateY(1px);
}

/* =====================================================
   APP LAYOUT
   ===================================================== */
.app {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 380px auto auto;
  grid-template-areas:
    'balance balance'
    'movements summary'
    'transfer loan'
    'close close';
  gap: 1.25rem;

  padding: 2.5rem 2rem;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

/* Card baseline */
.balance,
.movements,
.summary,
.operation {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}

.movements {
  background: var(--card);
}

/* Balance — warm ivory with gold accent */
.balance {
  background: linear-gradient(135deg, #fbf8f0 0%, #f4eedd 100%);
  border-color: var(--line-strong);
}

/* Summary — soft champagne tint */
.summary {
  background: linear-gradient(180deg, #ffffff 0%, #faf5e8 100%);
}

/* =====================================================
   BALANCE
   ===================================================== */
.balance {
  grid-area: balance;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 2rem 2.25rem;
  position: relative;
  overflow: hidden;
}

.balance::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--gold);
}

.balance__label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.balance__date {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.balance__date .date {
  color: var(--ink-2);
  font-weight: 500;
}

.balance__value {
  font-family: 'Playfair Display', serif;
  font-size: 2.75rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1;
}

/* =====================================================
   MOVEMENTS
   ===================================================== */
.movements {
  grid-area: movements;
  padding: 0.5rem 0;
  max-height: 380px;
  overflow-y: auto;
}

.movements::-webkit-scrollbar {
  width: 6px;
}
.movements::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 999px;
}

.movements__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.75rem;
  border-bottom: 1px solid var(--line);
}

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

.movements__type {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
}

.movements__type--deposit {
  color: var(--positive);
  background: rgba(31, 111, 74, 0.08);
}

.movements__type--withdrawal {
  color: var(--negative);
  background: rgba(150, 58, 58, 0.08);
}

.movements__date {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.movements__value {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}

/* =====================================================
   SUMMARY
   ===================================================== */
.summary {
  grid-area: summary;
  padding: 1.75rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto auto;
  column-gap: 1.5rem;
  row-gap: 0.4rem;
  align-content: center;
}

.summary__label {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.18em;
  font-weight: 500;
  grid-row: 1;
}

.summary__value {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  grid-row: 2;
}

.summary__value--in {
  color: var(--positive);
}

.summary__value--out {
  color: var(--negative);
}

.summary__value--interest {
  color: var(--gold);
}

.btn--sort {
  grid-column: 1 / -1;
  grid-row: 3;
  justify-self: start;
  margin-top: 1.25rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  border-radius: var(--r-sm);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 500;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.btn--sort:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-soft);
}

/* =====================================================
   OPERATIONS
   ===================================================== */
.operation {
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.operation::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  opacity: 0.9;
}

/* --- Transfer: deep navy --- */
.operation--transfer {
  grid-area: transfer;
  background: linear-gradient(160deg, #0b1b2b 0%, #142a40 100%);
  border-color: #0b1b2b;
  color: #e8e3d2;
}

.operation--transfer::before {
  background: var(--gold);
}

/* --- Loan: champagne gold --- */
.operation--loan {
  grid-area: loan;
  background: linear-gradient(160deg, #c9a55c 0%, #a87f36 100%);
  border-color: #8a6627;
  color: #2b1f08;
}

.operation--loan::before {
  background: #2b1f08;
}

/* --- Close: deep oxblood --- */
.operation--close {
  grid-area: close;
  background: linear-gradient(160deg, #5a2424 0%, #3a1717 100%);
  border-color: #3a1717;
  color: #f1d9d9;
}

.operation--close::before {
  background: var(--gold);
}

.operation h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1.1rem;
  letter-spacing: 0.01em;
}

.operation--transfer h2 {
  color: #f3ead0;
}

.operation--loan h2 {
  color: #2b1f08;
}

.operation--close h2 {
  color: #f3d6d6;
}

.form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.5rem 0.75rem;
}

.formC {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem 0.75rem;
}

.form__input {
  padding: 0.6rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  color: inherit;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.form__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.operation--loan .form__input {
  border-color: rgba(43, 31, 8, 0.35);
  background: rgba(255, 250, 235, 0.55);
  color: #2b1f08;
}

.operation--loan .form__input::placeholder {
  color: rgba(43, 31, 8, 0.5);
}

.form__input:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.16);
  box-shadow: 0 0 0 3px rgba(212, 176, 106, 0.25);
}

.operation--loan .form__input:focus {
  background: #fffaf0;
  border-color: #2b1f08;
  box-shadow: 0 0 0 3px rgba(43, 31, 8, 0.2);
}

.form__btn {
  border: none;
  background: var(--gold);
  color: #1a1206;
  padding: 0.6rem 1rem;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  font-weight: 600;
  transition: background-color 0.2s ease, transform 0.15s ease,
    color 0.2s ease;
}

.form__btn:hover {
  background: var(--gold-2);
}

.form__btn:active {
  transform: translateY(1px);
}

.operation--loan .form__btn {
  background: #2b1f08;
  color: #f3ead0;
}

.operation--loan .form__btn:hover {
  background: #1a1206;
}

.operation--close .form__btn {
  background: #f3d6d6;
  color: #3a1717;
}

.operation--close .form__btn:hover {
  background: #ffffff;
}

.form__label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  opacity: 0.75;
}

/* =====================================================
   LOGOUT TIMER
   ===================================================== */
.logout-timer {
  grid-column: 1 / -1;
  margin-top: 0.5rem;
  text-align: right;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.logout-timer .timer {
  color: var(--ink-2);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* =====================================================
   FOOTER
   ===================================================== */
.olabank-footer {
  background: var(--ink);
  color: #cdbf99;
  text-align: center;
  padding: 1.25rem 1rem;
  font-family: 'Playfair Display', serif;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  border-top: 1px solid var(--ink-2);
}

.olabank-footer p::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin-right: 0.75rem;
  transform: translateY(-2px);
}

.olabank-footer p::after {
  content: '';
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin-left: 0.75rem;
  transform: translateY(-2px);
}

/* =====================================================
   TABLET
   ===================================================== */
@media (max-width: 1024px) {
  nav {
    padding: 1rem 2rem;
  }

  .logo {
    content: url(myLogo.png);
    height: 44px;
  }

  .app {
    padding: 2rem 1.25rem;
  }
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      'balance'
      'summary'
      'movements'
      'transfer'
      'loan'
      'close';
    max-width: 640px;
  }

  .balance {
    padding: 1.5rem 1.75rem;
  }

  .balance__value {
    font-size: 2.25rem;
  }

  .summary {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 640px) {
  nav {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    padding: 1.25rem 1rem;
  }

  .login {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .login__input {
    width: 45%;
  }
}

/* =====================================================
   SMALL PHONES
   ===================================================== */
@media (max-width: 480px) {
  .app {
    padding: 1.25rem 0.9rem;
  }

  .balance {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .balance__value {
    font-size: 2rem;
  }

  .summary {
    grid-template-columns: 1fr 1fr 1fr;
    column-gap: 0.75rem;
  }

  .summary__value {
    font-size: 1.25rem;
  }

  .movements__row {
    padding: 0.85rem 1.25rem;
    gap: 0.6rem;
  }

  .operation {
    padding: 1.25rem 1.25rem;
  }

  .form,
  .formC {
    grid-template-columns: 1fr;
  }

  .form__btn {
    justify-self: stretch;
  }
}