:root {
  --primary: #FF6B35;
  --primary-hover: #fc5c22;
  --bg: #f5f5f5;
  --text: #111;
  --muted: #777;
  --muted-2: #999;
  --border: #ddd;
  --white: #fff;
  --error: #e53935;
  --success: #2e7d32;
  --focus: rgba(255, 107, 53, 0.15);
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* RESET */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

/* MAIN */
.main-content {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
}

/* CARD */
.auth-container {
  background: var(--white);
  padding: 2.25rem 1.75rem;
  width: 100%;
  max-width: 400px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  animation: fadeIn 0.35s ease;
}

.auth-container--register {
  max-width: 430px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* LOGO */
.auth-container .logo {
  width: 150px;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto 0.5rem;
}

.login-brand {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.5rem;

  font-size: 24px;
  font-weight: 700;
  margin-bottom: 0.5rem;
  margin-top: 1rem;
}

.auth-subtitle {
  margin: 0 0 1.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.4;
}

/* FORM */
#registerSellerForm {
  width: 100%;
}

/* INPUT GROUP */
.input-group {
  margin-bottom: 0.9rem;
  text-align: left;
}

.input-group input,
.input-group select {
  width: 100%;
  min-height: 48px;
  padding: 0.85rem 0.95rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
}

.input-group select {
  cursor: pointer;
}

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

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

/* INVALID STATE */
.input-group input.is-invalid,
.input-group select.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.08);
}

/* PASSWORD */
.password-wrapper {
  position: relative;
}

.password-wrapper input {
  padding-right: 3rem;
}

.toggle-password {
  position: absolute;
  top: 24px;
  right: 0.75rem;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0;
  line-height: 1;
}

.toggle-password:hover {
  color: var(--text);
}

/* HELPER */
.helper-text {
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--muted);
}

/* PASSWORD RULES */
.password-rules {
  margin: -0.2rem 0 0.9rem;
  padding-left: 1rem;
  text-align: left;
  list-style: disc;
}

.password-rules li {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
  transition: color 0.2s ease;
}

.password-rules li.valid {
  color: var(--success);
}

/* CHECKBOX */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin: 0.25rem 0 0.35rem;
  text-align: left;
  margin: 10px 0 15px;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.2rem;
  
  flex-shrink: 0;
}

.checkbox-group label {
  font-size: 0.8rem;
  color: var(--muted);
  color: #111;
  line-height: 1.45;
}

.checkbox-group a {
  color: var(--primary);
  text-decoration: none;
}

.checkbox-group a:hover {
  text-decoration: underline;
}

/* ERRORS */
.error {
  color: var(--error);
  font-size: 0.75rem;
  margin-top: 0.35rem;
  display: none;
}

.error.show {
  display: block;
}

.checkbox-error {
  text-align: left;
  margin-bottom: 0.9rem;
}

/* BUTTONS */
.btn-primary {
  width: 100%;
  min-height: 48px;
  padding: 0.85rem 1rem;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease, opacity 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
}

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

.btn-primary:active {
  transform: scale(0.995);
}

.btn-primary:disabled {
  opacity: 0.8;
  cursor: not-allowed;
}

/* LOADER */
.btn-loader {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  display: none;
  animation: spin 0.8s linear infinite;
}

.btn-primary.is-loading .btn-loader {
  display: inline-block;
}

.btn-primary.is-loading .btn-text {
  opacity: 0.95;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* DIVIDER */
.divider {
  margin: 1rem 0;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
}

/* GOOGLE */
.btn-google {
  width: 100%;
  min-height: 48px;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--white);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  font-size: 0.95rem;
}

.btn-google:hover {
  background: #f9f9f9;
}

/* FOOTER */
.footer-login {
  margin-top: 1.2rem;
  font-size: 0.82rem;
  color: var(--text);
}

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

.footer-login a:hover {
  text-decoration: underline;
}

/* RESPONSIVE */
@media (max-width: 480px) {
  .main-content {
    padding: 1rem;
    align-items: flex-start;
  }

  .auth-container {
    padding: 1.5rem 1rem;
    border-radius: 18px;
  }

  .auth-container--register {
    max-width: 100%;
  }

  .auth-container .logo {
    width: 135px;
  }

  .login-brand {
    font-size: 1.7rem;
  }

  .auth-subtitle {
    font-size: 0.82rem;
    margin-bottom: 1.2rem;
  }

  .input-group input,
  .input-group select,
  .btn-primary,
  .btn-google {
    min-height: 46px;
    font-size: 0.92rem;
  }
}