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

:root {
  --font-heading: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --radius-btn: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-heading);
}

body {
  background: #ffd93d;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

body::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  top: 10%;
  left: 10%;
  filter: blur(80px);
}

/* ======================== LOGO ======================== */
.logo-white-bg {
  font-size: 24px;
  font-weight: 700;
  color: #ffd93d;
  margin-bottom: 20px;
  font-variant: small-caps;
}

/* ======================== CONTAINER ======================== */
.container {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(15px);
  border-radius: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  width: 850px;
  max-width: 100%;
  min-height: 550px;
}

/* ======================== FORM PANELS ======================== */
.form-container {
  position: absolute;
  top: 0;
  height: 100%;
  transition: all 0.6s ease-in-out;
}

.sign-in {
  left: 0;
  width: 50%;
  z-index: 2;
}
.container.active .sign-in {
  transform: translateX(100%);
  opacity: 0;
}

.sign-up {
  left: 0;
  width: 50%;
  opacity: 0;
  z-index: 1;
}
.container.active .sign-up {
  transform: translateX(100%);
  opacity: 1;
  z-index: 5;
}

form {
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 40px;
  height: 100%;
  gap: 6px;
}

form h1 {
  font-size: 28px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 14px;
  color: #0f172a;
}

/* ======================== INPUTS ======================== */
.input-group {
  position: relative;
  width: 80%;
  margin: 8px 0;
}

.input-group input {
  width: 100%;
  padding: 14px 48px 14px 18px;
  border-radius: 12px;
  outline: none;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(5px);
  border: 1px solid transparent;
  transition: 0.3s;
}

.input-group input:focus {
  border: 2px solid #ffd93d;
  background: rgba(255, 255, 255, 0.9);
}

.input-group i {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  font-size: 14px;
  cursor: pointer;
}

/* ======================== BUTTONS ======================== */
.main-btn {
  width: 80%;
  background: linear-gradient(135deg, #facc15, #f59e0b);
  box-shadow: 0 8px 20px rgba(250, 204, 21, 0.4);
  color: white;
  padding: 14px 2rem;
  border-radius: 14px;
  border: none;
  font-weight: 600;
  font-size: 15px;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: 0.3s ease;
  margin-top: 18px;
}

.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(250, 204, 21, 0.5);
}

.forget {
  text-decoration: none;
  font-size: 12.5px;
  color: #64748b;
  font-weight: 500;
  align-self: center;
  margin-top: 2px;
}

/* ======================== TOGGLE SLIDER ======================== */
.toggle-container {
  position: absolute;
  top: 0;
  left: 50%;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 1000;
  border-radius: 150px 0 0 100px;
  transition: all 0.5s ease;
}

.container.active .toggle-container {
  transform: translateX(-100%);
  border-radius: 0 150px 100px 0;
}

.toggle {
  background: linear-gradient(
    to right,
    rgba(255, 217, 61, 0.9),
    rgba(255, 217, 61, 0.95)
  );
  color: #fff;
  position: relative;
  left: -100%;
  height: 100%;
  width: 200%;
  transition: all 0.6s ease-in-out;
  overflow: hidden;
  box-shadow: inset 0 0 60px rgba(255, 255, 255, 0.1);
}

.container.active .toggle {
  transform: translateX(50%);
}

.toggle-panel {
  position: absolute;
  z-index: 2;
  overflow: hidden;
  width: 50%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 40px;
  text-align: center;
  top: 0;
  transition: all 0.6s ease-in-out;
}

.toggle-left {
  transform: translateX(0);
}
.container.active .toggle-left {
  transform: translateX(0);
}

.toggle-right {
  right: 0;
  transform: translateX(0);
}
.container.active .toggle-right {
  transform: translateX(200%);
}

/* ======================== TOGGLE VISUALS ======================== */
.bg-img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  max-width: 500px;
  transform: translate(-50%, -50%);
  opacity: 0.2;
  object-fit: cover;
  filter: blur(1px);
}

.toggle-right .bg-img {
  transform: translate(-50%, -50%) scaleX(-1);
}

.overlay-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
}

.overlay-content h1 {
  color: #1e293b;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  margin-bottom: 20px;
}

.logo-blue-bg {
  font-size: 16px;
  font-weight: 700;
  color: #334155;
  opacity: 0.9;
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-variant: small-caps;
}

.ghost-btn {
  border: 2px solid #1e293b;
  background: transparent;
  color: #1e293b;
  padding: 10px 40px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  font-family: var(--font-heading);
  transition: 0.3s ease;
}

.ghost-btn:hover {
  transform: scale(1.05);
}

/* ======================== VALIDATION ======================== */
.error-message {
  color: #ef4444;
  font-size: 12px;
  margin-top: 5px;
  display: block;
  text-align: left;
}

.input-error {
  border: 2px solid #ef4444 !important;
}

.success-message {
  color: #22c55e;
  font-size: 13px;
  margin-top: 10px;
}

.switch-text {
  display: none;
}

/* ======================== RESPONSIVE ======================== */
@media screen and (max-width: 768px) {
  body {
    background: linear-gradient(135deg, #fff9e6 0%, #ffd93d 100%);
    padding-top: 40px;
    align-items: flex-start;
  }

  .container {
    width: 100%;
    padding: 30px 20px;
    min-height: auto;
    height: auto;
    border-radius: 20px;
    background: white;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    backdrop-filter: none;
  }

  .form-container {
    position: relative;
    width: 100%;
    height: auto;
    top: 0;
    transform: none !important;
    opacity: 1 !important;
  }

  form {
    padding: 20px 10px;
  }

  form h1 {
    font-size: 20px;
    margin: 10px 0 20px;
    color: #0f172a;
  }

  .logo-white-bg {
    margin-bottom: 10px;
    color: #eab308;
  }

  .input-group input {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    padding: 14px 45px 14px 15px;
    font-size: 16px;
  }

  .main-btn {
    padding: 14px;
    font-size: 16px;
    border-radius: 12px;
  }

  .toggle-container {
    display: none;
  }

  .sign-up {
    display: none;
  }
  .container.active .sign-up {
    display: block;
    opacity: 1;
    transform: none;
  }
  .container.active .sign-in {
    display: none;
  }

  .switch-text {
    display: block;
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
  }

  .switch-text span {
    color: var(--color-primary);
    font-weight: 600;
    cursor: pointer;
  }
}