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

:root {
  /* Modo claro */
  --color-bg-light: #f4f8ff;
  --color-text-light: #1e1e1e;
  --color-primary-light: #3f72af;
  --color-secondary-light: #dbe2ef;
  --color-accent-light: #112d4e;
  --color-success-light: #4caf50;
  --color-warning-light: #ff9800;
  --color-danger-light: #f44336;
  --color-nth-light: #c6caff7c;
  --color-nth-light-odd: #cecbff;
  --color-btn-hover-1: #04c70b;
  --color-btn-hover-2: #033e81;
  --color-btn-hover-3: #fd1201;
  --color-btn-hover-4: #eee12c;
}

[data-theme="dark"] {
  /* Modo oscuro */
  --color-bg-light: #1e1e2f;
  --color-text-light: #f1f1f1;
  --color-primary-light: #6c8eff;
  --color-secondary-light: #030303b0;
  --color-accent-light: #90caf9;
  --color-success-light: #81c784;
  --color-warning-light: #ffb74d;
  --color-danger-light: #ef5350;
  --color-nth-light: #191625;
  --color-nth-light-odd: #5c5c5fce;
  --color-btn-hover-1: #04c70b;
  --color-btn-hover-2: #033e81;
  --color-btn-hover-3: #fd1201;
  --color-btn-hover-4: #ffee00;
}

/* Para Chrome, Safari, Edge */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Para Firefox */
input[type="number"] {
  appearance: textfield; /* estándar moderno */
  -moz-appearance: textfield; /* compatibilidad con Firefox */
}

@keyframes fadeIn {
  from {
    transform: translateY(0);
    opacity: 0;
  }
  to {
    transform: translateY(20px);
    opacity: 1;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Roboto", sans-serif;
  background-color: var(--color-bg-light);
  line-height: 1.6;
  color: var(--color-text-light);
  animation: fadeIn 1.2s ease-out;
}

ul li {
  list-style: none;
}

a {
  text-decoration: none;
}

h2 {
  color: var(--color-accent-light);
  font-size: 1.5rem;
}

p {
  font-size: 1rem;
  color: var(--color-text-light);
}

.sumio__btn {
  cursor: pointer;
  font-size: 1rem;
  padding: 0.8rem 0.5rem;
  border-radius: 6px;
  border: none;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--color-bg-light);
}

/******************************** estlilos para el header ********************************/
.sumio__header {
  width: 100%;
}

.sumio__navbar {
  width: 100%;
  background-color: var(--color-secondary-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.8rem 0;
}

.content__logo {
  height: 80px;
  width: 200px;
}

.content__logo img {
  height: 100%;
  margin: 0 auto;
}

.navbar__content--items {
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: center;
}

.navbar__item a {
  display: inline-block;
  width: 130px;
  text-align: center;
  border-radius: 4px;
  padding: 0.2rem;
  color: var(--color-accent-light);
  background-color: var(--color-bg-light);
  transition: background 0.3s ease, color 0.3s ease;
  font-size: clamp(1rem, 2vw, 1.1rem);
}

.navbar__item a:hover {
  background-color: var(--color-accent-light);
  color: var(--color-bg-light);
}
/******************************** estlilos para el main ********************************/
.sumio__main {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.sumio__paragraphs {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 20px;
}

.btn--change {
  background-color: var(--color-text-light);
  transition: background 0.3s ease, transform 0.3s ease;
}

.btn--change:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-5px);
}

.sumio__section {
  border-radius: 10px;
  background-color: var(--color-bg-light);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.53);
  padding: 15px;
}

/********** estlilos seccion: crear **********/
.sumio__form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  width: 100%;
}

.form__input,
.form__input--edit {
  width: 100%;
  padding: 0.6rem;
  font-size: 1rem;
  border-radius: 6px;
  border: 1px solid var(--color-secondary-light);
}

.container-btn-add {
  width: 50%;
}

.btn--create {
  width: 100%;
  background-color: var(--color-success-light);
  transition: background 0.2s ease, transform 0.3s ease;
}

.btn--create:hover {
  background-color: var(--color-btn-hover-1);
  transform: translateY(-8px);
}

/********** estlilos seccion: resumen **********/
.section--summary h2 {
  margin-bottom: 10px;
}

/********** estlilos seccion: filtro **********/
.container-filters {
  margin: 20px 0;
  display: flex;
  gap: 20px;
  min-width: 200px;
}

.btn__aplly-filter {
  width: 50%;
  background-color: var(--color-accent-light);
  transition: background 0.2s ease, transform 0.3s ease;
}

.btn__aplly-filter:hover {
  background-color: var(--color-btn-hover-2);
  transform: translateY(-8px);
}
/********** estlilos seccion: muestra gastos **********/
.btn--clear {
  background-color: var(--color-danger-light);
  transition: background 0.3s ease, transform 0.3s ease;
}

.btn--clear:hover {
  background-color: var(--color-btn-hover-3);
  transform: translateY(-5px);
}

.section--expenses {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.sumio__card {
  background-color: var(--color-nth-light);
  border-radius: 10px;
  padding: 1rem;
}

.sumio__card:nth-child(odd) {
  background-color: transparent;
  border: 1px solid var(--color-nth-light-odd);
}

.card__list--items {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.card__item-label {
  font-weight: 600;
  margin-right: 5px;
}

.sumio__btn--actions {
  display: flex;
  gap: 10px;
}

.btn--delete {
  background-color: var(--color-danger-light);
  transition: background 0.3s ease, transform 0.3s ease;
  width: 40px;
}

.btn--delete:hover {
  background-color: var(--color-btn-hover-3);
  transform: translateY(-5px);
}

.btn--edit {
  background-color: var(--color-primary-light);
  transition: background 0.3s ease, transform 0.3s ease;
  width: 40px;
}

.btn--edit:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-5px);
}