:root {
  --salebee-color: #5484ff;
  --salebee-color-dark: #3e70f4;
  --page-bg: #f4f8ff;
  --panel-bg: #ffffff;
  --panel-border: #dbe6ff;
  --title: #16213d;
  --text: #4d5b7c;
  --input-bg: #f8fbff;
  --input-border: #ccdbff;
  --input-focus: #5484ff;
  --danger-bg: #fff0f2;
  --danger-border: #f4a7b3;
  --danger-text: #9f1239;
  --success-bg: #ecfdf3;
  --success-border: #86efac;
  --success-text: #166534;
}

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

html,
body {
  min-height: 100%;
}

body {
  font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(32rem 32rem at 8% 8%, #e4efff 0%, transparent 65%),
    radial-gradient(28rem 28rem at 92% 90%, #e1ebff 0%, transparent 65%),
    var(--page-bg);
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2rem);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  border-radius: 999px;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

body::before {
  width: 260px;
  height: 260px;
  top: 8%;
  right: 6%;
  background: rgba(84, 132, 255, 0.18);
}

body::after {
  width: 280px;
  height: 280px;
  left: 6%;
  bottom: 10%;
  background: rgba(142, 173, 255, 0.22);
}

.login-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1050px;
  display: grid;
  place-items: center;
  min-height: calc(100vh - 4rem);
}

.login-layout {
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  box-shadow: 0 30px 70px rgba(28, 57, 123, 0.16);
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  min-height: 620px;
}

.brand-panel {
  position: relative;
  background: linear-gradient(160deg, #f3f8ff 0%, #e9f2ff 54%, #e3edff 100%);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--panel-border);
}

.brand-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(16rem 16rem at 18% 20%, rgba(84, 132, 255, 0.16) 0%, transparent 72%),
    radial-gradient(18rem 18rem at 88% 84%, rgba(84, 132, 255, 0.2) 0%, transparent 72%);
  pointer-events: none;
}

.brand-panel>* {
  position: relative;
  z-index: 1;
}

.brand-logo-wrap {
  width: 210px;
  max-width: 100%;
  border-radius: 18px;
  padding: 0.9rem 1.15rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid #d6e4ff;
  box-shadow: 0 14px 30px rgba(84, 132, 255, 0.14);
}

.brand-logo {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.brand-copy {
  margin-top: 1.3rem;
}

.brand-copy h1 {
  color: var(--title);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  line-height: 1.25;
  margin-bottom: 0.8rem;
  font-weight: 700;
}

.brand-copy p {
  color: #4b5f90;
  font-size: 1rem;
  max-width: 36ch;
  line-height: 1.65;
}

.brand-chip {
  width: fit-content;
  border-radius: 999px;
  border: 1px solid #bfd2ff;
  color: #426abf;
  background: rgba(255, 255, 255, 0.75);
  padding: 0.52rem 0.82rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.form-panel {
  padding: clamp(1.4rem, 3vw, 2.5rem);
  display: flex;
  align-items: center;
}

.form-wrap {
  width: 100%;
  display: grid;
  gap: 1rem;
  max-width: 420px;
  margin: 0 auto;
}

.form-head h2 {
  color: var(--title);
  font-size: clamp(1.45rem, 2.2vw, 1.8rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.38rem;
}

.form-head p {
  color: #6076a4;
  font-size: 0.95rem;
  line-height: 1.5;
}

.error-banner,
.info-banner {
  border-radius: 12px;
  padding: 0.78rem 0.88rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.error-banner {
  border: 1px solid var(--danger-border);
  background: var(--danger-bg);
  color: var(--danger-text);
}

.info-banner {
  border: 1px solid var(--success-border);
  background: var(--success-bg);
  color: var(--success-text);
}

.form {
  display: grid;
  gap: 0.6rem;
}

.field {
  display: grid;
  gap: 0.24rem;
}

.field label {
  color: #31466f;
  font-size: 0.86rem;
  font-weight: 600;
}

.field input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: #1d2e57;
  padding: 0.84rem 0.9rem;
  font-size: 0.95rem;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.field input::placeholder {
  color: #8ca2ce;
}

.field input:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(84, 132, 255, 0.2);
  background: #ffffff;
}

.field-validation {
  min-height: 1rem;
  font-size: 0.78rem;
  color: var(--danger-text);
  margin-top: -0.2rem;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.7rem;
}

.remember {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.87rem;
  color: #495d89;
  user-select: none;
  cursor: pointer;
}

.remember input {
  accent-color: var(--salebee-color);
  width: 16px;
  height: 16px;
}

.btn-login,
.btn-secondary {
  width: 100%;
  border: none;
  border-radius: 14px;
  padding: 0.86rem 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  font-size: 0.96rem;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}

.btn-login {
  color: #fff;
  background: linear-gradient(135deg, var(--salebee-color) 0%, var(--salebee-color-dark) 100%);
  box-shadow: 0 12px 24px rgba(84, 132, 255, 0.35);
  margin-top: 0.3rem;
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px rgba(84, 132, 255, 0.45);
  filter: brightness(1.03);
}

.btn-secondary {
  color: #426abf;
  background: #eef4ff;
  border: 1px solid #bfd2ff;
}

.btn-secondary:hover {
  transform: translateY(-1px);
  filter: brightness(0.98);
}

.auth-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-size: 0.84rem;
}

.auth-link {
  color: var(--salebee-color-dark);
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.auth-link:hover {
  text-decoration: underline;
}

.version {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: #7589b2;
}

.form-wrap .version {
  display: none;
}

.hidden {
  display: none !important;
}

@media (max-width: 991px) {
  .login-shell {
    min-height: auto;
  }

  .login-layout {
    grid-template-columns: 1fr;
    min-height: unset;
  }

  .brand-panel {
    border-right: none;
    border-bottom: 1px solid var(--panel-border);
    gap: 1rem;
  }

  .brand-copy p {
    max-width: none;
  }
}

@media (max-width: 576px) {
  .login-layout {
    border-radius: 20px;
  }

  .brand-panel,
  .form-panel {
    padding: 1.1rem;
  }

  .brand-copy h1 {
    font-size: 1.45rem;
  }

  .form-head h2 {
    font-size: 1.34rem;
  }

  .brand-logo-wrap {
    width: 178px;
  }
}