@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700;800&display=swap");

* { margin: 0; padding: 0; box-sizing: border-box; }
body, input { font-family: "Poppins", sans-serif; }

/* ====== layout original ====== */
.container { position: relative; width: 100%; background-color: #fff; min-height: 100vh; overflow: hidden; }
.forms-container { position: absolute; width: 100%; height: 100%; top: 0; left: 0; }
.signin-signup { position: absolute; top: 50%; transform: translate(-50%, -50%); left: 75%; width: 50%; transition: 1s 0.7s ease-in-out; display: grid; grid-template-columns: 1fr; z-index: 5; }

form { display: flex; align-items: center; justify-content: center; flex-direction: column; padding: 0rem 5rem; transition: all 0.2s 0.7s; overflow: hidden; grid-column: 1 / 2; grid-row: 1 / 2; }
form.sign-up-form { opacity: 0; z-index: 1; }
form.sign-in-form { z-index: 2; }

.title { font-size: 2.2rem; color: #444; margin-bottom: 10px; }
.input-field { max-width: 380px; width: 100%; background-color: #f0f0f0; margin: 10px 0; height: 55px; border-radius: 55px; display: grid; grid-template-columns: 15% 85%; padding: 0 0.4rem; position: relative; }
.input-field i { text-align: center; line-height: 55px; color: #acacac; transition: 0.5s; font-size: 1.1rem; }
.input-field input { background: none; outline: none; border: none; line-height: 1; font-weight: 600; font-size: 1.1rem; color: #333; }
.input-field input::placeholder { color: #aaa; font-weight: 500; }

.social-text { padding: 0.7rem 0; font-size: 1rem; }
.social-media { display: flex; justify-content: center; }
.social-icon { height: 46px; width: 46px; display: flex; justify-content: center; align-items: center; margin: 0 0.45rem; color: #333; border-radius: 50%; border: 1px solid #333; text-decoration: none; font-size: 1.1rem; transition: 0.3s; }
.social-icon:hover { color: #7644eb; border-color: #7644eb; }

.btn { width: 150px; background-color: #7644eb; border: none; outline: none; height: 49px; border-radius: 49px; color: #fff; text-transform: uppercase; font-weight: 600; margin: 10px 0; cursor: pointer; transition: 0.5s; }
.btn:hover { background-color: #7644eb; }

.panels-container { position: absolute; height: 100%; width: 100%; top: 0; left: 0; display: grid; grid-template-columns: repeat(2, 1fr); }
.container:before { content: ""; position: absolute; height: 2000px; width: 2000px; top: -10%; right: 48%; transform: translateY(-50%); background-image: linear-gradient(-45deg, #7644eb 0%, #7644eb 100%); transition: 1.8s ease-in-out; border-radius: 50%; z-index: 6; }

.image { width: 100%; transition: transform 1.1s ease-in-out; transition-delay: 0.4s; }
.panel { display: flex; flex-direction: column; align-items: flex-end; justify-content: space-around; text-align: center; z-index: 6; }
.left-panel { pointer-events: all; padding: 3rem 17% 2rem 12%; }
.right-panel { pointer-events: none; padding: 3rem 12% 2rem 17%; }
.panel .content { color: #fff; transition: transform 0.9s ease-in-out; transition-delay: 0.6s; }
.panel h3 { font-weight: 600; line-height: 1; font-size: 1.5rem; }
.panel p { font-size: 0.95rem; padding: 0.7rem 0; }
.btn.transparent { margin: 0; background: none; border: 2px solid #fff; width: 130px; height: 41px; font-weight: 600; font-size: 0.8rem; }
.right-panel .image, .right-panel .content { transform: translateX(800px); }

/* ANIMATION */
.container.sign-up-mode:before { transform: translate(100%, -50%); right: 52%; }
.container.sign-up-mode .left-panel .image, .container.sign-up-mode .left-panel .content { transform: translateX(-800px); }
.container.sign-up-mode .signin-signup { left: 25%; }
.container.sign-up-mode form.sign-up-form { opacity: 1; z-index: 2; }
.container.sign-up-mode form.sign-in-form { opacity: 0; z-index: 1; }
.container.sign-up-mode .right-panel .image, .container.sign-up-mode .right-panel .content { transform: translateX(0%); }
.container.sign-up-mode .left-panel { pointer-events: none; }
.container.sign-up-mode .right-panel { pointer-events: all; }

@media (max-width: 870px) {
  .container { min-height: 800px; height: 100vh; }
  .signin-signup { width: 100%; top: %; transform: translate(-50%, -50%); transition: 1s 0.8s ease-in-out; }
  .signin-signup, .container.sign-up-mode .signin-signup { left: 50%; }
  .panels-container { grid-template-columns: 1fr; grid-template-rows: 1fr 2fr 1fr; }
  .panel { flex-direction: row; justify-content: space-around; align-items: center; padding: 2.5rem 8%; grid-column: 1 / 2; }
  .right-panel { grid-row: 3 / 4; }
  .left-panel { grid-row: 1 / 2; }
  .image { width: 200px; transition: transform 0.9s ease-in-out; transition-delay: 0.6s; }
  .panel .content { padding-right: 15%; transition: transform 0.9s ease-in-out; transition-delay: 0.8s; }
  .panel h3 { font-size: 1.2rem; }
  .panel p { font-size: 0.7rem; padding: 0.5rem 0; }
  .btn.transparent { width: 110px; height: 35px; font-size: 0.7rem; }
  .container:before { width: 1500px; height: 1500px; transform: translateX(-50%); left: 30%; bottom: 68%; right: initial; top: initial; transition: 2s ease-in-out; }
  .container.sign-up-mode:before { transform: translate(-50%, 100%); bottom: 32%; right: initial; }
  .container.sign-up-mode .left-panel .image, .container.sign-up-mode .left-panel .content { transform: translateY(-300px); }
  .container.sign-up-mode .right-panel .image, .container.sign-up-mode .right-panel .content { transform: translateY(0px); }
  .right-panel .image, .right-panel .content { transform: translateY(300px); }
  .container.sign-up-mode .signin-signup { top: 5%; transform: translate(-50%, 0); }
}

@media (max-width: 570px) {
  form { padding: 0 1.5rem; }
  .image {
    display: block;
    width: 160px;
    margin: 0 auto 10px;
  }
  .panel .content { padding: 0.5rem 1rem; }
  .container { padding: 1.5rem; }
  .container:before { bottom: 72%; left: 50%; }
  .container.sign-up-mode:before { bottom: 28%; left: 50%; }
}


/* ====== añadidos mínimos para OAuth ====== */
.oauth-wrap { display:flex; flex-direction:column; align-items:center; gap:8px; margin-top:6px; }
.oauth-msg  { font-size:.95rem; color:#374151; text-align:center; }