:root {
  /* 1. Tło główne (Ciepły, pastelowy beż / ecru) */
  --bg-main: #fcfaf7;

  /* 2. Karty, sekcje, nawigacja (Czysta biel dla przejrzystości) */
  --bg-card: #ffffff;

  /* 3. Kolor główny / Przychody / Sukces (Szałwiowa, miękka zieleń) */
  --color-primary: #558467;
  --color-primary-hover: #3e645a;
  --color-primary-light: #ebefed; /* Tło pod wykresy/etykiety */

  /* 4. Wydatki / Ostrzeżenia (Pastelowy, zgaszony koral - nieagresywny) */
  --color-expense: #f1704c;
  --color-expense-light: #fde8e4;
  --color-expense-hover: #e95f3a;

  --color-balance: #2f3c44;
  --color-balance-muted: #f7ebd5;


  /* 5. Tekst i nagłówki (Ciemna, ciepła szarość zamiast czystej czerni) */
  --text-main: #2f3e46;
  --text-muted: #7f8c8d;
  --text-white: #ffffff;

  /* 6. Ramki i podziały (Bardzo delikatny, ciepły szary) */
  --border-color: #e3ded5;
  --border-color-hover: #e5e1d9;

  --box-shadow: #2f3e461f;

  --border-radius: 0.5rem;

   /* 7. Rozmiary kontenerów */
  --max-logo-width: clamp(11.5rem, 8rem + 10vw, 18.75rem);
  --max-logo-height: clamp(2.375rem, 1.8rem + 1.5vw, 3rem);
  --chart-size: clamp(15rem, 45vw, 25rem);

  --icon-min-width: 2.75rem;
  --icon-height: 1.1rem;
  --icon-width: 1.1rem;

 /* 8. Fonty i wagi*/
 --font-family-base: "Plus Jakarta Sans", sans-serif;

 --font-weight-semibold: 600;

/* Płynne rozmiary czcionek z funkcją clamp(min, val, max) */
 --font-size-xs: clamp(0.7rem, 0.7rem + 0.25vw, 0.75rem);   /* ~12px - 13.6px */
  --font-size-sm: clamp(0.8125rem, 0.78rem + 0.3vw, 0.9375rem); /* ~13px - 15px */
  --font-size-base: clamp(0.9375rem, 0.9rem + 0.4vw, 1.0625rem); /* ~15px - 17px */

  /* 2. PŁYNNE ODSTĘPY (Fluid Spacing) */
  --spacing-xs: clamp(0.2rem, 0.15rem + 0.2vw, 0.35rem);
  --spacing-sm: clamp(0.375rem, 0.3rem + 0.3vw, 0.5rem);
  --spacing-md: clamp(0.75rem, 0.65rem + 0.5vw, 1rem);
  --spacing-lg: clamp(1rem, 0.85rem + 0.8vw, 1.5rem);
}

body.body-custom {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

.navbar-logo {
  height: auto;
  max-height: var(--max-logo-height);
  max-width: var(--max-logo-width);
  width: 100%;
  transition: max-width 0.2s ease, max-height 0.2s ease;
}

.navbar-custom a {
 border-radius: var(--border-radius);  
 font-weight: 500;
 transition: background-color 0.2s ease;
}

.navbar-custom a:hover,
.navbar-custom a:active,
.navbar-custom a:focus,
.navbar-custom a:focus-visible {
background-color: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

#register-form .card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.input-group-custom > .form-control-custom {
  border-color: var(--border-color);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
}

.form-label-custom {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-main);
  margin-block-end: var(--spacing-xs);
}

.form-control-custom {
  padding-block: var(--spacing-xs);
  padding-inline: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-control-custom:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.05rem var(--color-primary-light);
}

.input-group-custom {
  transition: transform 0.2s ease;
}

.input-group-custom:focus-within {
  transform: scale(1.01);
  }

.input-group-custom > .icon-custom {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--spacing-md);
  min-width: var(--icon-min-width);
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  border: 0.0625rem solid var(--border-color);
}

.input-group-custom > .icon-custom:last-child {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  border-inline-start: none;
  border-inline-end: 0.0625rem solid var(--border-color);
}

.input-group-custom:focus-within .icon-custom {
  background-color: var(--color-primary);
  color: var(--text-white);
  border-color: var(--color-primary);
  transition: all 0.2s ease;
}

.input-group-custom > .icon-custom > svg {
  width: var(--icon-width);
  height: var(--icon-height);
  flex-shrink: 0;
}

.btn.btn-success-custom {
  color: var(--text-white);
  background-color: var(--color-primary);
  border: 0.0625rem solid var(--color-primary);
  padding-block: var(--spacing-sm);
  padding-inline: var(--spacing-md);
  transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn.btn-success-custom:hover,
.btn.btn-success-custom:focus,
.btn.btn-success-custom:focus-visible {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--text-white);
  box-shadow: 0 0.375rem 1rem color-mix(in srgb, var(--color-primary) 30%, transparent);
}

.btn.btn-success-custom:active {
  background-color: var(--color-primary-hover);
  transform: scale(0.95);
  box-shadow: none;
}

a.text-success-custom {
  color: var(--color-primary);
  transition: color 0.2s ease;
  text-decoration: none;
}

a.text-success-custom:hover,
a.text-success-custom:focus {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

h2.text-success-custom,
.text-end.text-success-custom {
  color: var(--color-primary);
}

.btn.btn-danger-custom {
  color: var(--text-white);
  background-color: var(--color-expense);
  border: 0.0625rem solid var(--color-expense);
  padding-block: var(--spacing-sm);
  padding-inline: var(--spacing-md);
  transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn.btn-danger-custom:hover,
.btn.btn-danger-custom:focus,
.btn.btn-danger-custom:focus-visible {
  background-color: var(--color-expense-hover);
  color: var(--text-white);
  border-color: var(--color-expense-hover);
  box-shadow: 0 0.375rem 1rem color-mix(in srgb, var(--color-expense) 30%, transparent);
}

.btn.btn-danger-custom:active {
  background-color: var(--color-expense-hover);
  transform: scale(0.95);
  box-shadow: none;
}

.btn.btn-outline-custom {
  color: var(--color-balance);
  border: 0.0625rem solid var(--color-balance);
  background-color: transparent;
  padding-block: var(--spacing-sm);
  padding-inline: var(--spacing-md);
  transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out, color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn.btn-outline-custom:hover,
.btn.btn-outline-custom:focus,
.btn.btn-outline-custom:focus-visible {
  background-color: var(--color-balance);
  border-color: var(--color-balance);
  color: var(--text-white);
  box-shadow: 0 0.375rem 1rem color-mix(in srgb, var(--color-balance) 25%, transparent);
}

.btn.btn-outline-custom:active {
  background-color: var(--color-balance);
  color: var(--text-white);
  transform: scale(0.95);
  box-shadow: none;
}

.expense-circle {
  background-color: var(--color-expense-light);
  color: var(--color-expense);
}

.income-circle {
background-color: var(--color-primary-light);
color: var(--color-primary);
}

.balance-circle {
  background-color: var(--color-balance-muted);
  color: var(--color-balance);
}

.tip-circle {
  background-color: var(--color-balance-muted);
  color: var(--color-primary);
}

.card.card-expense,
.card.card-income,
.card.card-balance {
  border: 0.125rem solid transparent; 
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card.card-expense:hover,
.card.card-income:hover,
.card.card-balance:hover {
  transform: translateY(-0.375rem) scale(1.02);
  border-color: var(--color-primary);
  box-shadow: 0 0.75rem 1.5rem color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.btn.form-select-tile {
  color: var(--text-main);
  border: 0.0625rem solid var(--border-color);
  background-color: var(--bg-card);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: var(--spacing-sm);
  padding-inline: var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
}

.btn.form-select-tile:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.btn-check:checked + .btn.form-select-tile {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-white);
  box-shadow: 0 0.25rem 0.5rem color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.table-incomes tbody tr {
  color: var(--text-main);
  transition: background-color 0.15s ease-in-out;
}

.table-incomes.table-hover > tbody > tr:hover > * {
  --bs-table-bg-state: var(--color-primary-light);
}

.table-expenses.table-hover > tbody > tr:hover > * {
  --bs-table-bg-state: var(--color-expense-light);
}

h2.text-expense-custom,
.text-end.text-expense-custom {
  color: var(--color-expense);
}

.chart-container {
  position: relative;
  inline-size: 100%;
  block-size: var(--chart-size);
}

@media (min-width: 48rem) {
  .card-body-custom {
    padding: var(--spacing-lg);
  }
  
  .tile-text-custom {
    display: inline;
    font-size: var( --font-size-sm);
    line-height: 1.1;
  }
  .btn.form-select-tile {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .form-control-custom {
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    font-size: var(--font-size-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}