/* =========================================================
   SAYANAKER — Masuk Akun Perusahaan (Sign In)
   Stylesheet structure:
   1. Reset & base
   2. Design tokens (variables)
   3. Page background (dots + skyline)
   4. Card shell
   5. Brand
   6. Form fields
   7. Checkbox & links
   8. Buttons
   9. Responsive
   ========================================================= */


/* ---------------------------------------------------------
   1. Reset & base
--------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  min-height: 100vh;
}

a {
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  display: block;
}


/* ---------------------------------------------------------
   2. Design tokens
--------------------------------------------------------- */
:root {
  --color-bg-start: #16324a;
  --color-bg-end: #0c1f30;
  --color-skyline: rgba(255, 255, 255, 0.05);
  --color-dots: rgba(255, 255, 255, 0.12);

  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-text-soft: #9ca3af;
  --color-border: #d7dce2;

  --color-primary: #1a56a0;
  --color-primary-dark: #123c73;
  --color-danger: #dc2626;
  --color-required: #dc2626;

  --radius-sm: 8px;
  --radius-md: 20px;
  --shadow-card: 0 30px 60px rgba(0, 0, 0, 0.35);

  --transition-fast: 0.15s ease;
}


/* ---------------------------------------------------------
   3. Page background
--------------------------------------------------------- */
.page {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  /* background with image */
  background: linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg-end) 100%);
  overflow: hidden;
}

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

.page__dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--color-dots) 1.5px, transparent 1.5px);
  background-size: 42px 42px;
  opacity: 0.5;
}

.page__skyline {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40%;
  fill: var(--color-skyline);
}


/* ---------------------------------------------------------
   4. Card shell
--------------------------------------------------------- */
.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 500px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 48px 44px 40px;
}

.card__title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  margin: 36px 0 28px;
}


/* ---------------------------------------------------------
   5. Brand
--------------------------------------------------------- */
.card__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card__logo {
  width: 3rem;
  height: auto;
}

.card__brand-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--color-primary);
}


/* ---------------------------------------------------------
   6. Form fields
--------------------------------------------------------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.required {
  color: var(--color-required);
}

.field input {
  height: 50px;
  padding: 0 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.field input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 160, 0.12);
}

.field__input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.field__input-group input {
  width: 100%;
  padding-right: 46px;
}

.field__toggle {
  position: absolute;
  right: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-soft);
  width: 24px;
  height: 24px;
}

.field__toggle svg {
  width: 20px;
  height: 20px;
}

.field__toggle:hover {
  color: var(--color-text-muted);
}


/* ---------------------------------------------------------
   7. Checkbox & links
--------------------------------------------------------- */
.form__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: -6px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

.checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox__box {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  flex-shrink: 0;
  position: relative;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.checkbox input:checked + .checkbox__box {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox input:checked + .checkbox__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.link {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 15px;
  transition: color var(--transition-fast);
}

.link:hover {
  color: var(--color-primary-dark);
}

.link--danger {
  color: var(--color-danger);
}

.link--danger:hover {
  color: #b91c1c;
}


/* ---------------------------------------------------------
   8. Buttons
--------------------------------------------------------- */
.btn {
  height: 52px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  transition: background var(--transition-fast);
}

.btn--primary {
  background: var(--color-primary);
  color: #ffffff;
}

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

.form__footer {
  text-align: center;
  font-size: 15px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}


/* ---------------------------------------------------------
   9. Responsive
--------------------------------------------------------- */
@media (max-width: 560px) {
  .page {
    padding: 24px 16px;
    align-items: flex-start;
  }

  .card {
    padding: 36px 24px 32px;
    border-radius: 16px;
    margin-top: 24px;
  }

  .card__title {
    font-size: 24px;
    margin: 28px 0 22px;
  }

  .form__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}