* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  height: 100%;
  font-family: var(--font-family-base);
  background: var(--color-surface-soft);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
}

.auth-layout-body {
  min-height: 100vh;
  background: var(--color-surface-soft);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

button,
input,
select,
textarea {
  font: inherit;
}

/* =========================================================
   PAGE LAYOUT
========================================================= */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) 430px;
  background: var(--color-surface-soft);
}

.login-visual {
  position: relative;
  overflow: hidden;
  color: var(--color-text-inverse);
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.92) 0%,
    rgba(var(--color-brand-primary-rgb), 0.88) 52%,
    rgba(var(--color-brand-accent-rgb), 0.82) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-2xl) var(--space-3xl);
  isolation: isolate;
}

.login-visual__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.login-visual__bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(1px) saturate(0.9);
  transform: scale(1.03);
}

.login-visual__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.76) 0%,
    rgba(var(--color-brand-primary-rgb), 0.60) 45%,
    rgba(var(--color-brand-accent-rgb), 0.42) 100%
  );
}

.login-visual__top,
.login-visual__content,
.login-visual__bottom {
  position: relative;
  z-index: 2;
}

.login-visual__content {
  max-width: 700px;
  margin: auto 0;
}

.login-visual__bottom {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-md);
  color: var(--color-text-inverse-soft);
}

/* =========================================================
   BRAND
========================================================= */
.login-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  max-width: 100%;
}

.login-brand__logo {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

.login-brand__logo-image,
.login-brand__logo-fallback {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-brand__logo-image {
  object-fit: contain;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.55);
  padding: 0.45rem;
  box-shadow: var(--shadow-soft);
}

.login-brand__logo-fallback {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 1.8rem;
  color: var(--color-text-inverse);
}

.login-brand__text h1 {
  margin: 0;
  font-size: clamp(1.15rem, 1.7vw, 1.9rem);
  font-weight: 800;
  line-height: var(--line-height-tight);
  word-break: break-word;
  color: var(--color-text-inverse);
}

.login-brand__text p {
  margin: 0.3rem 0 0;
  font-size: var(--font-size-base);
  color: var(--color-text-inverse-soft);
}

/* =========================================================
   LEFT VISUAL CONTENT
========================================================= */
.login-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text-inverse);
  backdrop-filter: var(--backdrop-blur);
}

.login-visual__title {
  margin: 0 0 var(--space-md);
  font-size: clamp(2.35rem, 4vw, 4.6rem);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.04em;
  max-width: 760px;
  color: var(--color-text-inverse);
}

.login-visual__text {
  margin: 0;
  max-width: 620px;
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-inverse-soft);
}

/* =========================================================
   RIGHT PANEL
========================================================= */
.login-panel {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  background: linear-gradient(
    180deg,
    var(--color-brand-primary) 0%,
    var(--color-brand-accent) 100%
  );
  box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.08);
}

.login-panel__inner {
  width: 100%;
  max-width: 360px;
}

.login-panel__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.login-panel__header h2 {
  margin: 0 0 var(--space-xs);
  font-size: clamp(2rem, 3vw, 2.35rem);
  font-weight: 900;
  color: var(--color-text-inverse);
  letter-spacing: -0.03em;
  line-height: var(--line-height-tight);
}

.login-panel__header p {
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-text-inverse-soft);
  line-height: 1.6;
}

/* =========================================================
   FORM
========================================================= */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-text-inverse);
}

.input-wrap {
  position: relative;
}

.input-wrap .left-icon {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 1rem;
  pointer-events: none;
  transition: var(--transition-fast);
}

.form-control {
  width: 100%;
  height: var(--input-height);
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  padding: 0 1rem 0 3rem;
  color: var(--color-text-primary);
  outline: none;
  transition: var(--transition-fast);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

.form-control:focus {
  background: var(--color-surface);
  border-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--focus-ring-brand);
}

.input-wrap:focus-within .left-icon {
  color: var(--color-brand-primary);
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 0.9rem;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.password-toggle:hover {
  background: rgba(var(--color-brand-primary-rgb), 0.08);
  color: var(--color-brand-primary);
}

.password-toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-brand);
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin: 0.25rem 0 var(--space-xl);
  flex-wrap: wrap;
}

.remember-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text-inverse);
  font-size: var(--font-size-md);
}

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

/* =========================================================
   BUTTON
========================================================= */
.btn-login {
  width: 100%;
  height: var(--button-height);
  border: 0;
  border-radius: var(--radius-xl);
  background: var(--color-brand-secondary);
  color: var(--color-text-inverse);
  font-weight: 800;
  font-size: var(--font-size-base);
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: var(--shadow-auth);
  transition: var(--transition-fast);
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 40px rgba(15, 23, 42, 0.28);
}

.btn-login:active {
  transform: translateY(0);
}

.btn-login:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-brand), var(--shadow-auth);
}

/* =========================================================
   HELPERS
========================================================= */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-xl) 0 0;
  color: var(--color-text-inverse-soft);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.24);
}

.invalid-feedback {
  margin-top: 0.45rem;
  font-size: var(--font-size-sm);
  color: #ffe2e2;
}

.form-control.is-invalid {
  border-color: rgba(255, 110, 110, 0.96);
  box-shadow: 0 0 0 0.22rem rgba(239, 68, 68, 0.16);
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 1100px) {
  .login-page {
    grid-template-columns: minmax(0, 1.25fr) 400px;
  }

  .login-visual {
    padding: var(--space-xl) var(--space-2xl);
  }

  .login-panel {
    padding: var(--space-xl);
  }
}

@media (max-width: 991.98px) {
  .login-page {
    grid-template-columns: 1fr;
  }

  .login-visual {
    min-height: 360px;
    padding: var(--space-xl);
  }

  .login-visual__title {
    font-size: clamp(2rem, 6vw, 3.1rem);
  }

  .login-panel {
    min-height: auto;
    padding: var(--space-2xl) var(--space-lg);
  }

  .login-panel__inner {
    max-width: 420px;
  }
}

@media (max-width: 575.98px) {
  .login-visual {
    min-height: 300px;
    padding: var(--space-lg);
  }

  .login-brand {
    gap: var(--space-sm);
  }

  .login-brand__logo,
  .login-brand__logo-image,
  .login-brand__logo-fallback {
    width: 60px;
    height: 60px;
  }

  .login-brand__text h1 {
    font-size: 1.05rem;
  }

  .login-visual__title {
    font-size: 2rem;
  }

  .login-visual__text {
    font-size: var(--font-size-base);
  }

  .login-panel {
    padding: var(--space-xl) var(--space-md);
  }

  .login-panel__header h2 {
    font-size: 1.9rem;
  }

  .form-row {
    flex-direction: column;
    align-items: flex-start;
  }
}