:root {
  --color-background-dark: #f5f6fa;
  --color-ui-background: #ecf0f1;
  --color-ui-border: #bdc3c7;
  --color-text-primary: #34495e;
  --color-text-secondary: #7f8c8d;
  --color-text-label: #2c3e50;
  --color-text-placeholder: #95a5a6;
  --color-white: #ffffff;
  --color-accent-primary: #d42e1c;
  --color-accent-hover: #e74c3c;
  --color-accent-shadow: rgba(212, 46, 28, 0.3);
}

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

body {
  font-family: "Poppins", sans-serif;
  background-color: var(--color-background-dark);
  color: var(--color-text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 16px; /* Added padding for mobile */
}

.container {
  display: flex;
  width: 100%;
  max-width: 1200px;
  min-height: 80vh;
  background-color: var(--color-background-dark);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.left-panel {
  flex-basis: 50%;
  background: url(/img/Halaman\ Login\ dan\ Signup.jpg) no-repeat center center;
  background-size: cover;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px;
  color: var(--color-white);
}

.left-panel > * {
  position: relative;
  z-index: 2;
}

.left-panel header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
}

.back-btn {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  transition: background-color 0.3s;
}

.back-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.showcase-text h2 {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.right-panel {
  flex-basis: 55%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px;
}

.login-container {
  width: 100%;
  max-width: 400px;
}

h1 {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 8px;
}

.subtitle {
  color: var(--color-text-secondary);
  margin-bottom: 30px;
}

.subtitle a {
  color: var(--color-accent-primary);
  text-decoration: none;
  font-weight: 500;
}

.subtitle a:hover {
  text-decoration: underline;
}

form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-group {
  display: flex;
  flex-direction: column;
}

.input-group label {
  font-size: 14px;
  color: var(--color-text-label);
  margin-bottom: 8px;
}

.input-group input {
  background-color: var(--color-ui-background);
  border: 1px solid var(--color-ui-border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--color-text-primary);
  font-size: 16px;
  width: 100%;
}

.input-group input::placeholder {
  color: var(--color-text-placeholder);
}

.input-group input:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-shadow);
}

.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-wrapper .eye-icon {
  position: absolute;
  right: 16px;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.options-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 8px;
}

.remember-me input[type="checkbox"] {
  accent-color: var(--color-accent-primary);
}

.forgot-password {
  color: var(--color-accent-primary);
  text-decoration: none;
}

.forgot-password:hover {
  text-decoration: underline;
}

.btn {
  padding: 12px;
  border-radius: 8px;
  border: none;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  width: 100%;
}

.btn-primary {
  background-color: var(--color-accent-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
}

.separator {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--color-text-placeholder);
  margin: 30px 0;
  font-size: 14px;
}

.separator::before,
.separator::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--color-ui-border);
}

.separator span {
  padding: 0 10px;
}

.social-login {
  display: flex;
  gap: 16px;
}

.btn-social {
  background-color: transparent;
  border: 1px solid var(--color-ui-border);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-social:hover {
  background-color: var(--color-ui-background);
  border-color: var(--color-text-placeholder);
}

.single-panel {
  justify-content: center;
  align-items: center;
  background-color: var(--color-background-dark);
  box-shadow: none;
  min-height: 100vh;
}

.single-panel .right-panel {
  background-color: var(--color-white);
  border-radius: 12px;
  padding: 50px 40px;
  max-width: 450px;
  width: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.single-panel .login-container h1 {
  font-size: 28px;
  text-align: center;
  margin-bottom: 10px;
}

.single-panel .subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
}

.single-panel form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.single-panel .btn-primary {
  margin-top: 10px;
}

/* Media Queries */
@media (max-width: 1024px) {
  .container {
    max-width: 90%;
    min-height: auto;
  }

  .left-panel,
  .right-panel {
    padding: 30px;
  }

  .showcase-text h2 {
    font-size: 28px;
  }

  h1 {
    font-size: 32px;
  }

  .social-login {
    flex-wrap: wrap;
  }

  .btn-social {
    flex: 1 0 calc(50% - 8px);
    min-width: 120px;
  }
}

@media (max-width: 900px) {
  .container {
    max-width: 90%;
    min-height: auto;
  }
  .left-panel,
  .right-panel {
    padding: 30px;
  }

  .showcase-text h2 {
    font-size: 28px;
  }

  h1 {
    font-size: 32px;
  }

  .social-login {
    flex-wrap: wrap;
  }

  .btn-social {
    flex: 1 0 calc(50% - 8px);
    min-width: 120px;
  }
}

/* Ponsel kecil */
@media (max-width: 600px) {
  body {
    padding: 16px;
    align-items: flex-start;
  }

  .container {
    flex-direction: column;
    min-height: calc(100vh - 32px);
    border-radius: 12px;
    max-width: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  /* Left Panel Mobile */
  .left-panel {
    flex-basis: auto;
    height: 200px;
    padding: 20px;
    min-height: 200px;
  }

  .left-panel header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-size: 20px;
  }

  .back-btn {
    padding: 8px 16px;
    font-size: 13px;
  }

  .showcase-text h2 {
    font-size: 22px;
    text-align: center;
    margin-top: 20px;
  }

  /* Right Panel Mobile */
  .right-panel {
    flex-basis: auto;
    padding: 30px 25px;
    width: 100%;
  }

  .login-container {
    max-width: 100%;
  }

  /* Typography Mobile */
  h1 {
    font-size: 26px;
    text-align: center;
    margin-bottom: 12px;
  }

  .subtitle {
    font-size: 14px;
    margin-bottom: 25px;
    text-align: center;
  }

  /* Form Elements Mobile */
  form {
    gap: 18px;
  }

  .input-group input {
    padding: 12px 16px;
    font-size: 15px;
  }

  .btn {
    padding: 12px;
    font-size: 15px;
  }

  /* Options Group Mobile */
  .options-group {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
    font-size: 14px;
  }

  .remember-me {
    justify-content: center;
  }

  .forgot-password {
    align-self: center;
    text-align: center;
  }

  /* Separator Mobile */
  .separator {
    margin: 25px 0;
    font-size: 13px;
  }

  /* Social Login Mobile */
  .social-login {
    flex-direction: column;
    gap: 12px;
  }

  .btn-social {
    width: 100%;
    padding: 12px;
    font-size: 14px;
  }

  /* Single Panel Mobile */
  .single-panel .right-panel {
    padding: 35px 25px;
    margin: 0;
    border-radius: 12px;
  }

  .single-panel .login-container h1 {
    font-size: 26px;
  }
}

/* Ponsel sangat kecil */
@media (max-width: 375px) {
  body {
    padding: 12px;
  }

  .container {
    min-height: calc(100vh - 24px);
    border-radius: 10px;
  }

  /* Left Panel Extra Small */
  .left-panel {
    height: 180px;
    padding: 15px;
  }

  .logo {
    font-size: 18px;
  }

  .back-btn {
    padding: 6px 12px;
    font-size: 12px;
  }

  .showcase-text h2 {
    font-size: 20px;
    margin-top: 15px;
  }

  /* Right Panel Extra Small */
  .right-panel {
    padding: 25px 20px;
  }

  /* Typography Extra Small */
  h1 {
    font-size: 24px;
  }

  .subtitle {
    font-size: 13px;
    margin-bottom: 20px;
  }

  /* Form Elements Extra Small */
  form {
    gap: 15px;
  }

  .input-group input {
    padding: 11px 14px;
    font-size: 14px;
  }

  .btn {
    padding: 11px;
    font-size: 14px;
  }

  /* Options Group Extra Small */
  .options-group {
    font-size: 13px;
    gap: 12px;
  }

  /* Separator Extra Small */
  .separator {
    margin: 20px 0;
    font-size: 12px;
  }

  /* Social Login Extra Small */
  .social-login {
    gap: 10px;
  }

  .btn-social {
    padding: 11px;
    font-size: 13px;
  }

  /* Single Panel Extra Small */
  .single-panel .right-panel {
    padding: 30px 20px;
  }

  .single-panel .login-container h1 {
    font-size: 24px;
  }
}