/**
 * Contact Form Styles
 * 
 * @description Estilos para un formulario de contacto moderno y responsivo
 * @version 2.0.0
 * @author @Sysall
 * @license MIT
 * 
 * Características:
 * - Diseño responsivo
 * - Validación de campos
 * - Animaciones y transiciones suaves
 * - Estados de carga y error
 * - Soporte para iconos
 * - Contador de caracteres
 */

:root {
  --border-color-default: #9e9e9e;
  --border-color-error: #e5696f;
  --background-color-white: #fff;
  --text-color-black: #000;
  --text-color-white: #fff;
  --icon-color-default: #9e9e9e;
  --loading-gradient-color: rgb(197 197 197 / 70%);
  --border-radius-default: 12px;
  --transition-duration: 0.5s;
  --animation-timing: cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

form#contact-form {
  position: relative;
}

form#contact-form label {
  position: relative;
  display: block;
  border-radius: var(--border-radius-default);
  width: 100%;
  height: 100%;
  transition: overflow var(--transition-duration) ease-in-out;
}

form#contact-form input,
form#contact-form select,
form#contact-form textarea {
  width: 100%;
  height: 100%;
  border: 3px solid var(--border-color-default);
  border-radius: var(--border-radius-default);
  padding: 5px 10px;
  outline: none;
  background-color: var(--background-color-white);
  color: var(--text-color-black);
  appearance: none;
  -webkit-appearance: none;
  transition: border var(--transition-duration) ease-in-out;
}

form#contact-form input::placeholder,
form#contact-form select::placeholder,
form#contact-form textarea::placeholder {
  font-size: 14px;
}

form#contact-form input,
form#contact-form select {
  min-height: 40px;
  padding: 10px !important;
}

form#contact-form .characters {
  position: absolute;
  top: calc(120px - 30px);
  right: 10px;
  font-size: 12px;
  border-radius: var(--border-radius-default);
  padding: 0px 10px;
  background-color: #000;
  z-index: 0;
}

form#contact-form textarea {
  height: 120px;
  resize: none;
}

form#contact-form .empty input,
form#contact-form .empty textarea,
form#contact-form .empty select,
form#contact-form .invalid input,
form#contact-form .invalid textarea,
form#contact-form .invalid select {
  border-color: var(--border-color-error) !important;
  animation: shake 0.82s var(--animation-timing) both;
}

.empty .empty-message {
  opacity: 1 !important;
  height: 25px !important;
  animation: shake 0.82s var(--animation-timing) both;
}

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

#contact-form .empty-message,
#contact-form .error-message {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  right: 0;
  top: 0;
  opacity: 0;
  background: var(--border-color-error) !important;
  transition: height var(--transition-duration) ease-in-out,
    opacity var(--transition-duration) ease-in-out;
  padding: 0 5px;
  color: var(--text-color-white);
  font-size: 13px;
  border-radius: 0 4px;
  z-index: 1;
}

.send {
  cursor: not-allowed;
  pointer-events: none;
}

form#contact-form.send label {
  overflow: hidden;
}

.send label::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 120px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgb(197 197 197 / 70%) 50%,
    transparent 100%
  );
  animation: loading 2s cubic-bezier(0.25, 1, 0.5, 1) infinite;
  z-index: 1;
}

.send button[type="submit"] {
  position: relative;
  color: transparent;
}

form#contact-form .formicon i {
  color: var(--border-color-default) !important;
}

form#contact-form .formicon ~ input {
  padding-left: 45px !important;
}

.send button[type="submit"]::after {
  content: "";
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  width: 20px !important;
  height: 20px !important;
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
  transform: translate(-50%, -50%);
  border-radius: 50% !important;
  border-top-color: #fff !important;
  animation: spin 1s infinite linear !important;
  transform-origin: initial !important;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes loading {
  0% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(25%);
  }
  40% {
    transform: translateX(50%);
  }
  60% {
    transform: translateX(75%);
  }
  80% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(0);
  }
}

@keyframes shake {
  10%,
  90% {
    transform: translate3d(-1px, 0, 0);
  }
  20%,
  80% {
    transform: translate3d(2px, 0, 0);
  }
  30%,
  50%,
  70% {
    transform: translate3d(-4px, 0, 0);
  }
  40%,
  60% {
    transform: translate3d(4px, 0, 0);
  }
}

@media (max-width: 768px) {
  textarea ~ .empty-message,
  textarea ~ .error-message {
    top: 95px !important;
    border-radius: 4px 4px 12px 4px !important;
  }
}