/**
 * ورود پنل ویزیتور — چیدمان پایدار RTL
 */
:root {
  --by-login-purple: #6d28d9;
  --by-login-purple-d: #4c1d95;
  --by-login-teal: #0d9488;
  --by-login-gold: #d4af37;
}

.by-login,
.by-login *,
.by-login *::before,
.by-login *::after {
  box-sizing: border-box;
}

.by-login {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: "primary-font", Tahoma, "Segoe UI", sans-serif;
  direction: rtl;
  text-align: right;
  color: #e8eef7;
  overflow-x: hidden;
  background: #070b14;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.by-login__mesh {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 85% 15%, rgba(109, 40, 217, 0.4), transparent 55%),
    radial-gradient(ellipse 70% 50% at 10% 85%, rgba(13, 148, 136, 0.32), transparent 50%),
    linear-gradient(165deg, #070b14 0%, #12082a 45%, #0a1f24 100%);
  z-index: 0;
  pointer-events: none;
}

.by-login__grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 45%, black, transparent);
  z-index: 0;
  pointer-events: none;
}

.by-login__shell {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: calc(1.25rem + env(safe-area-inset-top, 0px)) 1rem calc(3.5rem + env(safe-area-inset-bottom, 0px));
}

.by-login__shell-inner {
  display: grid;
  grid-template-columns: minmax(300px, 400px) minmax(0, 1fr);
  gap: 2rem;
  width: 100%;
  align-items: center;
}

/* فرم — ستون راست در RTL (اول در DOM) */
.by-login__panel {
  width: 100%;
  justify-self: stretch;
}

.by-login__card {
  width: 100%;
  max-width: 400px;
  margin-inline: auto;
  background: #fff;
  border-radius: 20px;
  color: #1e293b;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.65),
    0 24px 48px rgba(0, 0, 0, 0.32);
  overflow: hidden;
}

.by-login__card-top {
  background: linear-gradient(135deg, var(--by-login-purple-d), var(--by-login-purple) 55%, var(--by-login-teal));
  padding: 1.5rem 1.25rem 1.15rem;
  text-align: center;
  color: #fff;
}

.by-login__avatar {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.65rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.18);
  border: 2px solid rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  overflow: hidden;
}

.by-login__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.by-login__card-top h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
}

.by-login__card-top p {
  margin: 0.3rem 0 0;
  font-size: 0.8rem;
  opacity: 0.92;
}

.by-login__card-body {
  padding: 1.25rem 1.25rem 1.5rem;
}

.by-login__form {
  margin: 0;
  width: 100%;
}

.by-login__field {
  margin-bottom: 0.9rem;
  width: 100%;
}

.by-login__field label {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #475569;
  margin-bottom: 0.35rem;
}

.by-login__input-wrap {
  position: relative;
  width: 100%;
}

.by-login__input {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 1.5px solid #e2e8f0;
  border-radius: 11px;
  padding: 0.78rem 2.4rem 0.78rem 0.85rem;
  font-size: 16px;
  font-family: inherit;
  line-height: 1.4;
  text-align: right;
  direction: rtl;
  background: #f8fafc;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
}

.by-login__input-wrap--pw .by-login__input {
  padding-left: 2.4rem;
}

.by-login__input:focus {
  outline: none;
  border-color: var(--by-login-purple);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.12);
}

.by-login__input-icon {
  position: absolute;
  inset-inline-end: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  font-size: 1.15rem;
  pointer-events: none;
  line-height: 1;
}

.by-login__pw-toggle {
  position: absolute;
  inset-inline-start: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: #64748b;
  padding: 0.35rem;
  cursor: pointer;
  line-height: 1;
  font-size: 1.15rem;
}

.by-login__captcha {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
  width: 100%;
}

.by-login__captcha-q {
  flex: 1;
  text-align: center;
  background: #f5f3ff;
  border: 1.5px solid #ddd6fe;
  border-radius: 11px;
  padding: 0.5rem 0.75rem;
  font-weight: 800;
  color: var(--by-login-purple-d);
  font-size: 1rem;
  direction: ltr;
}

.by-login__captcha-refresh {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--by-login-purple), var(--by-login-teal));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
}

.by-login__submit {
  width: 100%;
  border: none;
  border-radius: 11px;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  font-weight: 800;
  font-family: inherit;
  color: #fff;
  background: linear-gradient(90deg, var(--by-login-purple), var(--by-login-teal));
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.15rem;
  box-shadow: 0 6px 20px rgba(109, 40, 217, 0.3);
}

.by-login__submit:active {
  transform: scale(0.99);
}

.by-login__alert {
  margin-top: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  font-size: 0.82rem;
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  text-align: right;
  line-height: 1.5;
}

.by-login__alert--error {
  background: #fee2e2;
  color: #991b1b;
}

.by-login__alert--success {
  background: #d1fae5;
  color: #065f46;
}

/* معرفی — ستون چپ */
.by-login__showcase {
  padding: 0.5rem 0;
  min-width: 0;
}

.by-login__brand-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.by-login__logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  flex-shrink: 0;
}

.by-login__brand-text strong {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.3;
}

.by-login__brand-text span {
  display: block;
  font-size: 0.82rem;
  opacity: 0.85;
  margin-top: 0.15rem;
}

.by-login__headline {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  line-height: 1.45;
  margin: 0 0 0.65rem;
  color: #f8fafc;
}

.by-login__desc {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(226, 232, 240, 0.88);
  margin: 0 0 1.15rem;
}

.by-login__features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: 1.15rem;
}

.by-login__feat {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  font-size: 0.78rem;
  line-height: 1.55;
}

.by-login__feat i {
  color: var(--by-login-gold);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.by-login__preview {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 0.85rem;
}

.by-login__preview-title {
  font-size: 0.75rem;
  opacity: 0.75;
  margin-bottom: 0.55rem;
}

.by-login__preview-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.4rem;
}

.by-login__preview-stat {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9px;
  padding: 0.5rem 0.25rem;
  text-align: center;
  font-size: 0.65rem;
  line-height: 1.35;
}

.by-login__preview-stat strong {
  display: block;
  font-size: 0.9rem;
  color: #c4b5fd;
  margin-bottom: 0.1rem;
}

.by-login__foot {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  text-align: center;
  padding: 0.75rem 1rem 1rem;
  font-size: 0.72rem;
  color: rgba(203, 213, 225, 0.55);
  margin: 0;
}

.by-login__loader {
  text-align: center;
  margin-top: 0.75rem;
}

.by-login__loader img {
  max-width: 32px;
  height: auto;
}

/* موبایل: فقط فرم، وسط‌چین */
@media (max-width: 900px) {
  .by-login__shell {
    align-items: flex-start;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .by-login__shell-inner {
    grid-template-columns: 1fr;
    gap: 0;
    max-width: 420px;
    margin: 0 auto;
  }

  .by-login__showcase {
    display: none;
  }

  .by-login__panel {
    order: 1;
  }

  .by-login__card {
    max-width: none;
    border-radius: 18px;
  }
}

@media (max-width: 420px) {
  .by-login__shell {
    padding-inline: 0.75rem;
  }

  .by-login__card-body {
    padding-inline: 1rem;
  }
}