/* MathVenture Login Adventure Scene v2.36 — full-background edition
   Scope: login visuals only. Authentication and routing remain unchanged. */


/* Remove the normal app gutters only while the login view is active. */
body:has(#view-login:not(.hidden)) {
  padding-bottom: 0 !important;
  overflow-x: hidden;
  background: #dff3ff;
}
#app:has(#view-login:not(.hidden)) {
  width: 100% !important;
  max-width: none !important;
  margin: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

/* Full-bleed login canvas. The normal app container is constrained, so the
   login view deliberately escapes it and fills the browser viewport. */
#view-login.mv-login-page {
  position: relative;
  width: 100vw !important;
  max-width: none !important;
  min-height: 100vh;
  margin: 0 0 0 calc(50% - 50vw) !important;
  padding: 0 !important;
}

#view-login .mv-login-shell {
  position: relative;
  display: block;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #dff3ff;
  box-shadow: none;
}

/* --- Full-page MathVenture world -------------------------------------- */
#view-login .mv-login-hero {
  position: absolute;
  inset: 0;
  z-index: 0;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #dff3ff;
}

#view-login .mv-login-scene {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  user-select: none;
  -webkit-user-drag: none;
}

/* A very light right-side wash keeps the white card visually separated
   without dimming or blurring the illustration. */
#view-login .mv-login-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg,
      rgba(255,255,255,0) 0%,
      rgba(255,255,255,0) 55%,
      rgba(242,248,255,.08) 69%,
      rgba(242,248,255,.18) 100%);
}

/* New MathVenture logo floats above the login card, on the background. */
#view-login .mv-login-hero-brand {
  position: absolute;
  z-index: 4;
  top: clamp(20px, 3vh, 34px);
  right: clamp(78px, 8vw, 138px);
  width: clamp(190px, 17vw, 255px);
  pointer-events: none;
}

#view-login .mv-login-logo {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 6px 14px rgba(15, 23, 42, .20));
}

/* --- Floating sign-in card -------------------------------------------- */
#view-login .mv-login-panel {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(520px, 42vw);
  min-width: 390px;
  min-height: 100vh;
  margin-left: auto;
  padding: clamp(112px, 14vh, 150px) clamp(28px, 4vw, 56px) clamp(34px, 6vh, 58px);
  overflow-y: auto;
  scrollbar-width: none;
  background: transparent;
}
#view-login .mv-login-panel::-webkit-scrollbar { display: none; }

#view-login .mv-login-card {
  width: min(100%, 430px);
  padding: 30px;
  border: 1px solid rgba(203, 216, 230, .88);
  border-radius: 24px;
  background: rgba(255,255,255,.965);
  box-shadow:
    0 24px 60px rgba(15, 23, 42, .20),
    0 3px 12px rgba(15, 23, 42, .08);
}

#view-login .mv-login-card-heading {
  margin-bottom: 24px;
  text-align: center;
}
#view-login .mv-login-card-heading h1 {
  margin: 0;
  color: #13233e;
  font-family: var(--font-fun, inherit);
  font-size: clamp(1.7rem, 2.2vw, 2rem);
  line-height: 1.1;
  font-weight: 900;
}
#view-login #login-mode-label {
  margin: 8px 0 0;
  color: #64748b;
  font-size: 11px;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: .075em;
  text-transform: uppercase;
}

#view-login .mv-login-form {
  display: grid;
  gap: 17px;
  text-align: left;
}
#view-login .mv-login-form.hidden { display: none !important; }
#view-login .mv-login-field label {
  display: block;
  margin: 0 0 7px;
  color: #24354e;
  font-size: 13px;
  font-weight: 850;
}
#view-login .mv-login-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
#view-login .mv-login-input-wrap input {
  width: 100%;
  min-height: 50px;
  padding: 12px 46px 12px 14px;
  border: 1.5px solid #cbd8e6;
  border-radius: 12px;
  outline: 0;
  background: #f7fbff;
  color: #1e293b;
  font-size: 16px;
  font-weight: 650;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
#view-login .mv-login-input-wrap input::placeholder { color: #94a3b8; font-weight: 500; }
#view-login .mv-login-input-wrap input:focus {
  border-color: #159bd7;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(21,155,215,.11);
}
#view-login .mv-login-password-toggle {
  position: absolute;
  z-index: 3;
  right: 7px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #91a3b8;
  cursor: pointer;
}
#view-login .mv-login-password-toggle:hover { background: #eef7fc; color: #0b79b7; }
#view-login .mv-login-password-toggle:focus-visible,
#view-login .mv-login-primary-btn:focus-visible,
#view-login .mv-login-teacher-link:focus-visible,
#view-login .mv-login-back-btn:focus-visible,
#view-login .mv-login-demo-title:focus-visible {
  outline: 3px solid rgba(14,165,233,.25);
  outline-offset: 2px;
}

#view-login .mv-login-primary-btn {
  width: 100%;
  min-height: 50px;
  margin-top: 2px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(180deg, #1ea6df 0%, #1295d2 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  box-shadow: 0 9px 20px rgba(21,155,215,.21);
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
#view-login .mv-login-primary-btn:hover { filter: brightness(.97); box-shadow: 0 11px 24px rgba(21,155,215,.25); }
#view-login .mv-login-primary-btn:active { transform: translateY(1px); }

#view-login .mv-login-admin-switch { margin-top: 19px; }
#view-login .mv-login-admin-switch.hidden { display: none !important; }
#view-login .mv-login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  color: #94a3b8;
  font-size: 12px;
}
#view-login .mv-login-divider::before,
#view-login .mv-login-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: #dfe7ef;
}
#view-login .mv-login-divider span { color: #64748b; }

#view-login .mv-login-teacher-link,
#view-login .mv-login-back-btn {
  width: 100%;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid #cbd8e6;
  border-radius: 11px;
  background: #fff;
  color: #3f536b;
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
}
#view-login .mv-login-teacher-link:hover,
#view-login .mv-login-back-btn:hover {
  background: #f8fbff;
  border-color: #9fc6dc;
  color: #0f5f8f;
}
#view-login .mv-login-teacher-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 10px;
  background: #f1f7fb;
  color: #31536b;
  font-size: 12px;
  font-weight: 850;
}

/* Local preview helpers remain collapsed and visually secondary. */
#view-login .mv-login-demo-panel {
  margin-top: 17px;
  padding-top: 13px;
  border-top: 1px dashed #d8e1ea;
}
#view-login .mv-login-demo-panel.hidden { display: none !important; }
#view-login .mv-login-demo-title {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  margin: 0;
  border-radius: 8px;
  color: #64748b;
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .07em;
  cursor: pointer;
  user-select: none;
}
#view-login .mv-login-demo-title::-webkit-details-marker { display: none; }
#view-login .mv-login-demo-chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid #64748b;
  border-bottom: 2px solid #64748b;
  transform: rotate(-45deg);
  transition: transform .16s ease;
}
#view-login .mv-login-demo-panel[open] .mv-login-demo-chevron { transform: rotate(45deg); }
#view-login .mv-login-demo-content { padding-top: 9px; }
#view-login .mv-login-demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 7px;
}
#view-login .mv-login-demo-grid button,
#view-login .mv-login-demo-teacher {
  min-height: 38px;
  border: 1px solid #dbe5ee !important;
  border-radius: 9px !important;
  background: #f8fafc !important;
  color: #475569 !important;
  font-size: 10px !important;
  font-weight: 800 !important;
  box-shadow: none !important;
}
#view-login .mv-login-demo-teacher {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-top: 7px;
}

/* --- Tablet ------------------------------------------------------------ */
@media (max-width: 980px) {
  #view-login .mv-login-panel {
    width: min(470px, 48vw);
    min-width: 360px;
    padding-left: 24px;
    padding-right: 24px;
  }
  #view-login .mv-login-hero-brand {
    right: clamp(54px, 7vw, 88px);
    width: clamp(170px, 20vw, 215px);
  }
}

/* --- Mobile: full artwork stays behind a centered floating card -------- */
@media (max-width: 700px) {
  #app { padding-left: 0 !important; padding-right: 0 !important; }
  #view-login .mv-login-shell { min-height: 100vh; }
  #view-login .mv-login-scene {
    object-position: 28% 50%;
  }
  #view-login .mv-login-hero::after {
    background: linear-gradient(180deg,
      rgba(255,255,255,0) 0%,
      rgba(255,255,255,.03) 27%,
      rgba(235,245,252,.22) 59%,
      rgba(235,245,252,.32) 100%);
  }
  #view-login .mv-login-hero-brand {
    top: 16px;
    left: 50%;
    right: auto;
    width: min(190px, 52vw);
    transform: translateX(-50%);
  }
  #view-login .mv-login-panel {
    width: 100%;
    min-width: 0;
    min-height: 100vh;
    margin: 0;
    align-items: flex-end;
    justify-content: center;
    padding: 170px 14px 18px;
  }
  #view-login .mv-login-card {
    width: min(100%, 460px);
    padding: 24px 20px;
    border-radius: 20px;
    background: rgba(255,255,255,.97);
    box-shadow: 0 18px 42px rgba(15,23,42,.22);
  }
  #view-login .mv-login-card-heading { margin-bottom: 20px; }
  #view-login .mv-login-card-heading h1 { font-size: 1.5rem; }
}

@media (max-width: 430px) {
  #view-login .mv-login-panel { padding-left: 10px; padding-right: 10px; padding-bottom: 10px; }
  #view-login .mv-login-card { padding: 21px 17px; border-radius: 17px; }
  #view-login .mv-login-demo-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  #view-login * {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}