@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
  --navy:#0f3057;
  --aqua:#008891;
  --sky:#1a73e8;
  --ink:#0c1b33;
  --panel:#f7fafc;
  --paper:#ffffff;
  --muted:#64748b;
  --border:rgba(148,163,184,0.24);
  --shadow-xl:0 28px 70px rgba(15,48,87,0.16);
  --shadow-lg:0 18px 46px rgba(15,48,87,0.14);
}

* { box-sizing: border-box; font-family: 'Poppins', sans-serif; }

.auth-page{
  width:min(1240px,96%);
  margin:20px auto 34px;
  display:grid;
  grid-template-columns:minmax(280px,.95fr) minmax(0,1.35fr);
  gap:22px;
  align-items:stretch;
}

.auth-intro{
  position:relative;
  overflow:hidden;
  padding:28px;
  border-radius:28px;
  background:
    radial-gradient(circle at top left, rgba(56,189,248,0.18), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(239,246,255,0.86));
  border:1px solid rgba(148,163,184,0.22);
  box-shadow:var(--shadow-xl);
}

.auth-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border-radius:999px;
  background:#eff6ff;
  color:#1d4ed8;
  font-size:12px;
  font-weight:700;
  letter-spacing:.03em;
  text-transform:uppercase;
}

.auth-intro h1{
  margin:16px 0 10px;
  font-family:'Poppins',sans-serif;
  font-size:36px;
  line-height:1.08;
  color:var(--ink);
}

.auth-intro > p{
  margin:0;
  color:#475569;
  line-height:1.75;
  max-width:48ch;
}

.auth-highlights{
  display:grid;
  gap:12px;
  margin-top:22px;
}

.auth-highlight{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,0.86);
  border:1px solid rgba(148,163,184,0.18);
}

.auth-highlight i{
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:linear-gradient(135deg, #0f3057, #1a73e8);
  color:#fff;
  flex:0 0 40px;
}

.auth-highlight strong{
  display:block;
  margin-bottom:4px;
  color:var(--ink);
  font-size:14px;
}

.auth-highlight span{
  color:var(--muted);
  font-size:13px;
  line-height:1.6;
}

/* WRAPPER */
.container {
  width: min(1040px, 94%);
  margin: 0 auto;
  padding: 32px 32px 28px;
  position: relative;
  min-height: 640px;
  isolation: isolate;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(26,115,232,0.08), transparent 22%),
    #ffffff;
  box-shadow: var(--shadow-xl);
  border:1px solid rgba(148,163,184,0.18);
  overflow: hidden;
}

/* FORM CARD */
.form-box {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46%;
  background: rgba(255,255,255,0.96);
  padding: 34px 38px;
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(148,163,184,0.16);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.5s ease;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 2;
}

/* Pull cards away from the center column */
.form-box.login { left: 6%; }
.form-box.register { right: 6%; }

/* SHOW LOGIN BY DEFAULT */
.container:not(.active) .form-box.login {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* SHOW REGISTER WHEN ACTIVE */
.container.active .form-box.register {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Prevent overlay during switch */
.container.active .form-box.login,
.container:not(.active) .form-box.register {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* SLIDE EFFECT */
.container.active .form-box.login {
  transform: translate(-120%, -50%);
}

.container:not(.active) .form-box.register {
  transform: translate(120%, -50%);
}

/* TOGGLE PANEL */
.toggle-box {
  position: absolute;
  top: 0;
  right: 0;
  width: 43%;
  height: 100%;
  background:
    radial-gradient(circle at top left, rgba(56,189,248,0.16), transparent 26%),
    linear-gradient(135deg, #0f3057, #0b4b8a 60%, #168aa6);
  color: #fff;
  padding: 32px;
  border-radius: 0 28px 28px 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.55s ease;
  z-index: 1;
}

.toggle-panel {
  position: absolute;
  inset: 0;
  padding: 40px 34px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  opacity: 0;
  transform: translateX(10%);
  transition: all 0.45s ease;
  text-align: left;
  pointer-events: none;
}

.toggle-panel h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0.01em;
}

.toggle-panel p {
  margin: 0 0 14px;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}

.toggle-panel .btn {
  width: auto;
  min-width: 160px;
  margin-top: 6px;
  background: #ffffff;
  color: #0f3057;
  border-radius: 999px;
  padding: 10px 18px;
}

.container:not(.active) .toggle-panel.toggle-left {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.container.active .toggle-panel.toggle-right {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.container.active .toggle-box {
  transform: translateX(-150%);
  border-radius: 20px 0 0 20px;
}

/* TITLES */
.form-box h1 {
  margin: 0 0 8px;
  color: #0f3057;
  font-size: 28px;
}

.form-box p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 18px;
  line-height: 1.6;
}

/* REGISTER GRID */
.form-box.register form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.form-box.register .full-width {
  grid-column: span 2;
}

/* INPUTS */
.input-shell { position: relative; }
.input-box { position: relative; }

.input-box input,
.input-box select,
.input-box textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #e3e8ef;
  background: #f9fbfd;
  font-size: 14px;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.input-box input:focus,
.input-box select:focus,
.input-box textarea:focus {
  outline:none;
  border-color: rgba(26,115,232,0.5);
  box-shadow: 0 0 0 4px rgba(26,115,232,0.10);
  background:#fff;
}

.input-box textarea {
  height: 42px;
  min-height: 42px;
  resize: vertical;
}

.input-box.has-icon input { padding-left: 40px; }
.password-field input { padding-right: 48px; }

/* ICONS */
.field-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #8a9ab5;
  font-size: 15px;
}

.toggle-password {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: #6b7a99;
  cursor: pointer;
  padding: 4px 6px;
  font-size: 16px;
}

.toggle-password:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
  border-radius: 6px;
}

.toggle-password[aria-pressed="true"] {
  color: var(--sky);
}

/* BUTTON */
.btn {
  width: 100%;
  padding: 13px 14px;
  background: linear-gradient(135deg, #1a73e8, #0f5bd3);
  color: #fff;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  margin-top: 10px;
  grid-column: span 2;
  box-shadow: 0 16px 28px rgba(26,115,232,0.18);
  transition: transform .18s ease, box-shadow .18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 32px rgba(26,115,232,0.24);
}

.btn.ghost {
  background: transparent;
  border: 2px solid #1a73e8;
  color: #1a73e8;
}

/* SWITCH ACTION */
.switch-action {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(15,48,87,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: #5a6786;
}

.switch-action.full-width { grid-column: span 2; }

.forgot-link{
  margin:4px 0 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.auth-note{
  margin-top: 14px;
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:12px 14px;
  border-radius:14px;
  background:#f8fafc;
  border:1px solid rgba(148,163,184,0.18);
  color:#475569;
  font-size:12px;
  line-height:1.6;
}

.auth-note i{
  color:#1d4ed8;
  margin-top:2px;
}

.auth-note-success{
  background:#f0fdf4;
  border-color:rgba(34,197,94,0.18);
}

.auth-note-success i{
  color:#16a34a;
}

.register-copy{
  grid-column: span 2;
}

.form-errors,
.field-error{
  color:#b91c1c;
}

.form-errors{
  display:grid;
  gap:8px;
  margin-bottom:8px;
}

.error,
.field-error{
  font-size:12px;
  line-height:1.5;
}

.error{
  padding:10px 12px;
  border-radius:12px;
  background:#fef2f2;
  border:1px solid rgba(239,68,68,0.16);
}

.field-error{
  margin-top:6px;
}

.switch-link {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--sky);
  background: transparent;
  color: var(--sky);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.switch-link:hover,
.switch-link:focus-visible {
  background: var(--sky);
  color: #fff;
}

.switch-link:focus-visible {
  outline: 2px solid rgba(26,115,232,0.35);
  outline-offset: 2px;
}

/* MOBILE */
@media (max-width: 900px) {
  .auth-page{
    width:min(100%, 94%);
    grid-template-columns:1fr;
    margin:10px auto 24px;
  }

  .auth-intro{
    padding:20px;
    border-radius:22px;
  }

  .auth-intro h1{
    font-size:30px;
  }

  .container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto 20px;
    padding: 14px;
    min-height: 0;
    box-shadow: var(--shadow-lg);
    border-radius: 16px;
  }

  .form-box {
    position: relative;
    width: 100%;
    transform: none;
    margin-bottom: 16px;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .form-box { padding: 22px 16px; border-radius: 12px; }

  .form-box.register form { grid-template-columns: 1fr; }

  .input-box input,
  .input-box select,
  .input-box textarea,
  .btn,
  .switch-link {
    font-size: 16px;
  }

  .switch-action {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .switch-link {
    width: 100%;
  }

  .btn { grid-column: span 1; }

  .toggle-box { display: none; }

  /* Mobile: show only the active form */
  .container.active .form-box.login { display: none; }
  .container:not(.active) .form-box.register { display: none; }
}

@media (max-width: 520px) {
  .auth-intro h1 {
    font-size: 26px;
  }

  .form-box h1 {
    font-size: 20px;
  }

  .form-box p {
    margin-bottom: 14px;
  }

  .input-box.has-icon input {
    padding-left: 38px;
  }

  .password-field input {
    padding-right: 44px;
  }
}