/* ==========================================================================
   RUANG PELESIR — Auth Pages CSS (Frosted Glass & Underline Inputs)
   ========================================================================== */

.auth-page .navbar,
.auth-page .footer,
.auth-page .back-to-top {
  display: none;
}

.auth-main {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
  background-color: var(--color-primary);
  overflow: hidden;
}

.auth-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.auth-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.78) 0%,
    rgba(19, 42, 62, 0.62) 55%,
    rgba(15, 23, 42, 0.84) 100%
  );
}

/* Frosted Glass Split Container */
.auth-shell {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1060px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: var(--shadow-float);
}

/* Left Editorial Glass Panel */
.auth-panel-visual {
  background: rgba(15, 23, 42, 0.62);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  padding: var(--space-12);
  color: var(--bg-canvas);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.125rem;
  color: var(--bg-canvas);
  margin-bottom: var(--space-10);
}

.auth-logo .logo-mark {
  background-color: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-accent);
}

.auth-visual-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 2.8vw, 2.4rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.auth-visual-content > p {
  font-size: 0.95rem;
  color: var(--text-on-dark-muted);
  line-height: 1.65;
  margin-bottom: var(--space-8);
}

.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: var(--space-6);
}

.auth-feat {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.875rem;
  color: rgba(248, 250, 252, 0.88);
}

.auth-feat > i {
  color: var(--color-accent);
  width: 18px;
  text-align: center;
}

.auth-quote-box {
  margin-top: var(--space-8);
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
}

.auth-quote-box p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.9);
  margin-bottom: var(--space-3);
}

.auth-quote-box small {
  font-size: 0.8125rem;
  color: var(--color-accent);
  font-weight: 600;
}

/* Right Frosted Glass Form Card */
.auth-panel-form {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(26px);
  -webkit-backdrop-filter: blur(26px);
  padding: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-form-wrap {
  width: 100%;
  max-width: 440px;
}

.auth-form-header {
  margin-bottom: var(--space-8);
}

.auth-form-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.auth-form-header p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.auth-form-header a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 4px;
}

/* Form Elements: Non-boxy Underline + Translucent Focus Shift */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.auth-form .form-group {
  margin-bottom: 0;
}

.auth-form .form-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-label-link {
  font-weight: 600;
  color: var(--color-accent-text);
  font-size: 0.8125rem;
}

.form-label-link:hover {
  text-decoration: underline;
}

.req {
  color: var(--status-cancelled-ink);
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
  transition: color var(--t-fast) var(--ease-out);
}

.auth-form .form-input {
  width: 100%;
  padding: 13px 44px 13px 44px;
  border: none;
  border-bottom: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background-color: rgba(248, 250, 252, 0.58);
  transition: background-color var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out),
              box-shadow var(--t-fast) var(--ease-out);
}

.auth-form .form-input:hover {
  background-color: rgba(255, 255, 255, 0.78);
}

.auth-form .form-input:focus {
  outline: none;
  background-color: var(--bg-canvas);
  border-bottom-color: var(--color-primary);
  box-shadow: 0 2px 0 0 var(--color-accent);
}

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

.auth-form .form-input.input-error {
  border-bottom-color: var(--status-cancelled-ink);
}

.input-toggle-pw {
  position: absolute;
  right: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--t-fast) var(--ease-out);
}

.input-toggle-pw:hover {
  color: var(--text-primary);
}

/* Password Strength & Rules */
.pw-strength {
  margin-top: 8px;
}

.pw-bars {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}

.pw-bar {
  flex: 1;
  height: 3px;
  background-color: var(--border-hairline);
  border-radius: var(--radius-pill);
  transition: background-color var(--t-media) var(--ease-out);
}

#pwStrengthLabel {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pw-rules {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.pw-rule {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color var(--t-fast) var(--ease-out);
}

.pw-rule i {
  color: var(--border-strong);
}

.pw-rule.rule-ok,
.pw-rule.rule-ok i {
  color: var(--status-confirmed-ink);
}

/* Checkbox */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.form-check input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkmark {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 1.5px solid var(--border-strong);
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  transition: background-color var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out);
}

.form-check input:checked + .checkmark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-check input:checked + .checkmark::after {
  content: '';
  width: 5px;
  height: 9px;
  border: 2px solid var(--bg-canvas);
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}

.form-check a {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Submit Button with Arrow Micro-interaction */
.btn-auth-submit {
  width: 100%;
  padding: 14px var(--space-6);
  border-radius: var(--radius-md);
  justify-content: space-between;
  font-size: 0.9375rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--border-hairline);
}

.btn-social {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px var(--space-4);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.76);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: background-color var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out);
}

.btn-social:hover {
  background-color: var(--bg-canvas);
  border-color: var(--color-primary);
}

.auth-terms {
  margin-top: var(--space-5);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

.auth-terms a {
  color: var(--text-primary);
  font-weight: 600;
}

@media (max-width: 900px) {
  .auth-shell {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
  .auth-panel-visual {
    display: none;
  }
  .auth-panel-form {
    padding: var(--space-8) var(--space-6);
  }
}