/* ============================================
   Design tokens — Tema fosc per defecte
   Basat en l'estètica d'impostor (glassmòrfic)
   ============================================ */

:root {
  /* Colors principals */
  --color-fons: #0a0e27;
  --color-fons-gradient: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  --color-superficie: rgb(255 255 255 / 5%);
  --color-superficie-hover: rgb(255 255 255 / 8%);
  --color-primari: #4c6ef5;
  --color-primari-hover: #5c7cfa;
  --color-secundari: #20c997;
  --color-secundari-hover: #38d9a9;
  --color-perill: #ff6b6b;
  --color-exit: #20c997;
  --color-avis: #ffd43b;
  --color-text: #f8f9fa;
  --color-text-suau: #adb5bd;
  --color-borde: rgb(255 255 255 / 10%);
  --color-focus: #748ffc;

  /* Ombres */
  --ombra-suau: 0 8px 32px rgb(0 0 0 / 30%);
  --ombra-forta: 0 12px 48px rgb(0 0 0 / 50%);

  /* Radis */
  --radi-s: 8px;
  --radi-m: 12px;
  --radi-l: 20px;

  /* Espaiat */
  --espai-xs: 4px;
  --espai-s: 8px;
  --espai-m: 16px;
  --espai-l: 24px;
  --espai-xl: 32px;

  /* Tipografia */
  --font-familia: -apple-system, blinkmacsystemfont, "Segoe UI", system-ui, sans-serif;
  --font-mida-base: 1rem;

  /* Layout */
  --max-amplada: 500px;

  /* Transicions */
  --transicio: 0.3s ease;
  --transicio-rapida: 0.15s ease;

  /* Glass */
  --backdrop-blur: blur(10px);
}

/* Tema clar — override via atribut o preferència del sistema */
[data-theme="light"],
:root:not([data-theme="dark"]):has(
  :is(meta[name="color-scheme"][content="light"])
) {
  --color-fons: #f0f2f8;
  --color-fons-gradient: linear-gradient(135deg, #f0f2f8 0%, #e2e6f0 100%);
  --color-superficie: rgb(255 255 255 / 70%);
  --color-superficie-hover: rgb(255 255 255 / 85%);
  --color-primari: #3b5bdb;
  --color-primari-hover: #364fc7;
  --color-secundari: #0ca678;
  --color-secundari-hover: #099268;
  --color-perill: #e03131;
  --color-exit: #0ca678;
  --color-avis: #e67700;
  --color-text: #1a1b2e;
  --color-text-suau: #495057;
  --color-borde: rgb(0 0 0 / 10%);
  --color-focus: #3b5bdb;
  --ombra-suau: 0 8px 32px rgb(0 0 0 / 8%);
  --ombra-forta: 0 12px 48px rgb(0 0 0 / 12%);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-fons: #f0f2f8;
    --color-fons-gradient: linear-gradient(135deg, #f0f2f8 0%, #e2e6f0 100%);
    --color-superficie: rgb(255 255 255 / 70%);
    --color-superficie-hover: rgb(255 255 255 / 85%);
    --color-primari: #3b5bdb;
    --color-primari-hover: #364fc7;
    --color-secundari: #0ca678;
    --color-secundari-hover: #099268;
    --color-perill: #e03131;
    --color-exit: #0ca678;
    --color-avis: #e67700;
    --color-text: #1a1b2e;
    --color-text-suau: #495057;
    --color-borde: rgb(0 0 0 / 10%);
    --color-focus: #3b5bdb;
    --ombra-suau: 0 8px 32px rgb(0 0 0 / 8%);
    --ombra-forta: 0 12px 48px rgb(0 0 0 / 12%);
  }
}
/* ============================================
   Reset mínim i tipografia base
   ============================================ */

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

html {
  font-family: var(--font-familia);
  font-size: var(--font-mida-base);
  color: var(--color-text);
  background: var(--color-fons-gradient);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100dvh;
  background: transparent;
}

/* Decoració de fons subtil */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 20%, rgb(76 110 245 / 10%) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgb(32 201 151 / 10%) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] body::before {
  background:
    radial-gradient(circle at 20% 20%, rgb(59 91 219 / 6%) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgb(12 166 120 / 6%) 0%, transparent 50%);
}

/* Tipografia */
h1 {
  font-size: 2.5em;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-primari) 0%, var(--color-secundari) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: 1.6em;
  font-weight: 700;
  color: var(--color-text);
}

h3 {
  font-size: 1.4em;
  font-weight: 700;
  color: var(--color-text);
}

p,
label {
  font-size: 1.1em;
  color: var(--color-text-suau);
  margin: 12px 0;
}

label {
  display: block;
}

small {
  font-size: 0.85em;
  color: var(--color-text-suau);
}

strong {
  font-weight: 700;
}

a {
  color: var(--color-secundari);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color 0.2s ease;
}

a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transicio);
}

a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

a:hover {
  color: var(--color-secundari-hover);
}

/* Selecció de text */
::selection {
  background: var(--color-primari);
  color: white;
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

button:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

/* Accessibilitat: moviment reduït */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
/* ============================================
   Contenidor, sistema de pantalles, capçalera, peu
   ============================================ */

.contenidor {
  max-width: var(--max-amplada);
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  position: relative;
  z-index: 1;
}

/* Sistema de pantalles (vistes) */
.pantalla {
  display: none;
  position: absolute;
  width: 100%;
  min-height: 100dvh;
  transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pantalla.activa {
  display: flex;
  flex-direction: column;
  position: relative;
}

.pantalla.exiting-left {
  animation: slideOutLeft 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.pantalla.exiting-right {
  animation: slideOutRight 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Capçalera */
.capcalera {
  text-align: center;
  margin-bottom: var(--espai-xl);
}

@media (height <= 600px) {
  .capcalera {
    margin-bottom: 20px;
  }
}

/* Peu de pàgina */
.peu {
  margin-top: auto;
  text-align: center;
  padding: var(--espai-l) var(--espai-m);
  font-size: 0.9em;
  color: var(--color-text);
  border-top: 1px solid var(--color-borde);
  background: rgb(0 0 0 / 30%);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  line-height: 1.8;
}

[data-theme="light"] .peu {
  background: rgb(255 255 255 / 50%);
}

.peu a {
  color: var(--color-secundari);
  font-weight: 500;
}

.peu a:hover {
  color: var(--color-secundari-hover);
}

.peu-accions {
  margin-bottom: var(--espai-s);
  display: flex;
  justify-content: center;
  gap: var(--espai-s);
  align-items: center;
}

.peu-credits {
  color: var(--color-text-suau);
}

@media (height <= 700px) {
  .peu {
    font-size: 0.8em;
    padding: var(--espai-m);
  }
}

@media (width <= 400px) {
  h1 {
    font-size: 2em;
  }
}
/* ============================================
   Components reutilitzables
   ============================================ */

/* --- Botons --- */

.btn {
  width: 100%;
  padding: 16px 24px;
  font-size: 1.15em;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radi-l);
  cursor: pointer;
  margin: 10px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
  color: var(--color-text);
  background: var(--color-superficie);
}

/* Efecte ripple */
.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgb(255 255 255 / 10%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover:not(:disabled) {
  transform: translateY(-3px);
}

.btn:active:not(:disabled) {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primari {
  background: linear-gradient(135deg, var(--color-primari) 0%, var(--color-primari-hover) 100%);
  color: white;
  box-shadow: 0 4px 16px rgb(76 110 245 / 40%);
}

.btn-primari:hover:not(:disabled) {
  box-shadow: 0 8px 24px rgb(76 110 245 / 50%);
}

[data-theme="light"] .btn-primari {
  box-shadow: 0 4px 16px rgb(59 91 219 / 30%);
}

[data-theme="light"] .btn-primari:hover:not(:disabled) {
  box-shadow: 0 8px 24px rgb(59 91 219 / 35%);
}

.btn-exit {
  background: linear-gradient(135deg, var(--color-exit) 0%, var(--color-secundari-hover) 100%);
  color: white;
  box-shadow: 0 4px 16px rgb(32 201 151 / 40%);
}

.btn-exit:hover:not(:disabled) {
  box-shadow: 0 8px 24px rgb(32 201 151 / 50%);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primari);
  color: var(--color-primari);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-primari);
  color: white;
}

.btn-perill {
  background: linear-gradient(135deg, var(--color-perill) 0%, #fa5252 100%);
  color: white;
  box-shadow: 0 4px 16px rgb(255 107 107 / 40%);
}

.btn-perill:hover:not(:disabled) {
  box-shadow: 0 8px 24px rgb(255 107 107 / 50%);
}

.btn-lg {
  padding: 18px 28px;
  font-size: 1.25em;
}

/* --- Toggle tema (pill sol/lluna) --- */

.toggle-tema {
  position: relative;
  width: 52px;
  height: 28px;
  border-radius: 14px;
  border: 1px solid var(--color-borde);
  background: var(--color-superficie);
  cursor: pointer;
  transition: all var(--transicio);
  display: inline-flex;
  align-items: center;
  padding: 0 4px;
  vertical-align: middle;
}

.toggle-tema:hover {
  background: var(--color-superficie-hover);
}

.toggle-tema-cercle {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primari) 0%, var(--color-primari-hover) 100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  left: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="light"] .toggle-tema-cercle {
  transform: translateX(24px);
}

.toggle-tema-cercle svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: white;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.toggle-tema-icons {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0 2px;
  pointer-events: none;
}

.toggle-tema-icons svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: var(--color-text-suau);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.5;
}

/* Icona dins el cercle: mostrar segons tema */
.toggle-tema-icona-clar {
  display: none;
}

.toggle-tema-icona-fosc {
  display: block;
}

[data-theme="light"] .toggle-tema-icona-clar {
  display: block;
}

[data-theme="light"] .toggle-tema-icona-fosc {
  display: none;
}

@media (width <= 400px) {
  .btn {
    padding: 14px 20px;
    font-size: 1.1em;
  }
}

/* --- Cards --- */

.card {
  background: var(--color-superficie);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-radius: var(--radi-l);
  padding: 28px;
  margin: var(--espai-m) 0;
  box-shadow: var(--ombra-suau);
  border: 1px solid var(--color-borde);
  text-align: center;
  transition: all var(--transicio);
}

.card:hover {
  background: var(--color-superficie-hover);
  box-shadow: var(--ombra-forta);
  transform: translateY(-2px);
}

@media (width <= 400px) {
  .card {
    padding: 20px;
  }
}

@media (height <= 600px) {
  .card {
    margin: 12px 0;
    padding: 20px;
  }
}

/* --- Modals --- */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgb(0 0 0 / 60%);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transicio), visibility var(--transicio);
}

.modal-overlay.activa {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-fons);
  border: 1px solid var(--color-borde);
  border-radius: var(--radi-l);
  padding: var(--espai-l);
  max-width: calc(var(--max-amplada) - 40px);
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--ombra-forta);
  transform: scale(0.9);
  transition: transform var(--transicio);
}

.modal-overlay.activa .modal {
  transform: scale(1);
}

.modal-contingut {
  text-align: center;
}

/* --- Inputs --- */

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea {
  width: 100%;
  padding: 16px 20px;
  font-size: 1.1em;
  font-family: inherit;
  border: 2px solid var(--color-borde);
  border-radius: var(--radi-l);
  margin: var(--espai-s) 0;
  background: var(--color-superficie);
  color: var(--color-text);
  transition: all var(--transicio);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-suau);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-focus);
  background: var(--color-superficie-hover);
  box-shadow: 0 0 0 4px rgb(116 143 252 / 20%);
  transform: translateY(-2px);
}

select {
  width: 100%;
  padding: 16px 20px;
  font-size: 1.1em;
  font-family: inherit;
  border: 2px solid var(--color-borde);
  border-radius: var(--radi-l);
  margin: var(--espai-s) 0;
  background: var(--color-superficie);
  color: var(--color-text);
  transition: all var(--transicio);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23adb5bd' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 48px;
  cursor: pointer;
}

select:focus {
  outline: none;
  border-color: var(--color-focus);
  background-color: var(--color-superficie-hover);
  box-shadow: 0 0 0 4px rgb(116 143 252 / 20%);
  transform: translateY(-2px);
}

select option {
  background: #1a1f3a;
  color: var(--color-text);
  padding: 12px;
}

[data-theme="light"] select option {
  background: #f0f2f8;
  color: #1a1b2e;
}

/* Treure fletxes dels inputs numèrics */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  appearance: none;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* --- Toasts --- */

.toast-contenidor {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  pointer-events: none;
  width: 90%;
  max-width: 400px;
}

.toast {
  background: var(--color-superficie);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  color: var(--color-text);
  padding: 16px 24px;
  border-radius: var(--radi-l);
  margin-bottom: 12px;
  box-shadow: var(--ombra-forta);
  border: 1px solid var(--color-borde);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1em;
  animation: toastSlideIn 0.4s ease, toastSlideOut 0.4s ease 2.6s forwards;
  pointer-events: auto;
}

.toast-exit {
  border-left: 4px solid var(--color-exit);
}

.toast-error {
  border-left: 4px solid var(--color-perill);
}

.toast-avis {
  border-left: 4px solid var(--color-avis);
}

/* --- Toggle switch --- */

.toggle-switch {
  margin: var(--espai-l) 0;
  text-align: left;
}

.toggle-switch label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05em;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  padding: var(--espai-s);
  border-radius: var(--radi-m);
  transition: background 0.2s ease;
}

.toggle-switch label:hover {
  background: var(--color-superficie);
}

.toggle-switch input[type="checkbox"] {
  position: relative;
  width: 52px;
  height: 28px;
  appearance: none;
  background: var(--color-superficie);
  border: 2px solid var(--color-borde);
  border-radius: 14px;
  cursor: pointer;
  transition: background-color var(--transicio);
  flex-shrink: 0;
}

.toggle-switch input[type="checkbox"]::before {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  top: 1px;
  left: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgb(0 0 0 / 30%);
}

.toggle-switch input[type="checkbox"]:checked {
  background: linear-gradient(135deg, var(--color-primari) 0%, var(--color-primari-hover) 100%);
  border-color: var(--color-primari);
}

.toggle-switch input[type="checkbox"]:checked::before {
  transform: translateX(24px);
}

/* --- Icones SVG inline --- */

.icon-svg {
  width: 1.2em;
  height: 1.2em;
  vertical-align: -0.125em;
  display: inline-block;
  fill: currentColor;
  pointer-events: none;
}

/* --- Badges --- */

.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.85em;
  font-weight: 600;
  border-radius: var(--radi-s);
  background: var(--color-superficie);
  color: var(--color-text-suau);
  border: 1px solid var(--color-borde);
}

.badge-primari {
  background: rgb(76 110 245 / 20%);
  color: var(--color-primari);
  border-color: rgb(76 110 245 / 30%);
}

.badge-perill {
  background: rgb(255 107 107 / 20%);
  color: var(--color-perill);
  border-color: rgb(255 107 107 / 30%);
}

/* --- Boto icona (header, toolbar) --- */

.btn-icona {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  color: var(--color-text-suau);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: var(--radi-s);
  transition: all var(--transicio-rapida);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
}

.btn-icona:hover {
  background: var(--color-superficie-hover);
  color: var(--color-text);
  border-color: var(--color-text-suau);
}

/* --- Selector de mode (daily/free) --- */

.selector-mode {
  display: flex;
  gap: var(--espai-s);
  margin: var(--espai-m) 0;
  flex-wrap: wrap;
  justify-content: center;
}

.selector-mode .btn {
  width: auto;
  flex: 1;
  min-width: 120px;
}

.selector-mode .btn.actiu {
  background: linear-gradient(135deg, var(--color-primari) 0%, var(--color-primari-hover) 100%);
  color: white;
  box-shadow: 0 4px 16px rgb(76 110 245 / 40%);
}
/* ============================================
   Keyframes compartits
   ============================================ */

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(20px);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(100%);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideOutLeft {
  from {
    opacity: 1;
    transform: translateX(0);
  }

  to {
    opacity: 0;
    transform: translateX(-100%);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }

  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.02);
  }

  100% {
    transform: scale(1);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }

  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-4px);
  }

  20%,
  40%,
  60%,
  80% {
    transform: translateX(4px);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateY(-100px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toastSlideOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(-100px);
  }
}

/* Transició suau de tema */
.tema-transicio,
.tema-transicio *,
.tema-transicio *::before,
.tema-transicio *::after {
  transition:
    background-color 0.35s ease,
    color 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    background 0.35s ease !important;
}
/* ============================================
   Classes d'utilitat
   ============================================ */

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Alineació de text */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* Flexbox */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Marges superiors */
.mt-xs {
  margin-top: var(--espai-xs);
}

.mt-s {
  margin-top: var(--espai-s);
}

.mt-m {
  margin-top: var(--espai-m);
}

.mt-l {
  margin-top: var(--espai-l);
}

.mt-xl {
  margin-top: var(--espai-xl);
}

/* Marges inferiors */
.mb-xs {
  margin-bottom: var(--espai-xs);
}

.mb-s {
  margin-bottom: var(--espai-s);
}

.mb-m {
  margin-bottom: var(--espai-m);
}

.mb-l {
  margin-bottom: var(--espai-l);
}

.mb-xl {
  margin-bottom: var(--espai-xl);
}