/* ── TOKENS — inherit from landing palette ── */
:root {
  --bg:           #09102e;
  --royal:        #3d52c4;
  --royal-dim:    rgba(61,82,196,0.28);
  --teal-light:   #7ec8c4;
  --white:        #ffffff;

  --card-bg:     rgba(255,255,255,0.02);
  --card-border: rgba(255,255,255,0.07);
  --g-blur:      blur(4px) saturate(110%);

  --card-bg:      rgba(255,255,255,0.055);
  --card-border:  rgba(255,255,255,0.13);

  --input-bg:     rgba(255,255,255,0.07);
  --input-border: rgba(255,255,255,0.16);
  --input-focus:  rgba(61,82,196,0.7);

  --text:         #ffffff;
  --text-muted:   rgba(255,255,255,0.52);
  --text-soft:    rgba(255,255,255,0.74);

  --sh-blue:      0 12px 40px rgba(61,82,196,0.38);
  --sh-card:      0 28px 80px rgba(0,0,0,0.42);

  --display:      'Playfair Display', Georgia, serif;
  --body:         'DM Sans', system-ui, -apple-system, sans-serif;

  --r-pill:       999px;
  --r-lg:         24px;
  --r-md:         14px;
  --r-sm:         10px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { border: 0; cursor: pointer; font: inherit; }
input { font: inherit; }
:focus-visible { outline: 3px solid rgba(61,82,196,0.55); outline-offset: 3px; }

/* ── ANIMATED BACKGROUND ── */
body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
body::before {
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(61,82,196,0.22) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 70%, rgba(47,126,121,0.18) 0%, transparent 55%);
  animation: flow-a 12s ease-in-out infinite alternate;
}
body::after {
  background:
    radial-gradient(ellipse 70% 70% at 70% 60%, rgba(61,82,196,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 80% 55% at 15% 25%, rgba(47,126,121,0.16) 0%, transparent 55%);
  animation: flow-b 15s ease-in-out infinite alternate-reverse;
}
@keyframes flow-a {
  0%   { opacity: 1;    transform: scale(1)    translateY(0px);   }
  50%  { opacity: 0.55; transform: scale(1.08) translateY(-18px); }
  100% { opacity: 1;    transform: scale(0.96) translateY(12px);  }
}
@keyframes flow-b {
  0%   { opacity: 0.7;  transform: scale(1.05) translateY(10px);  }
  50%  { opacity: 1;    transform: scale(0.97) translateY(-12px); }
  100% { opacity: 0.6;  transform: scale(1.1)  translateY(6px);   }
}

#particle-net {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── LAYOUT ── */
.login-wrap {
  position: relative;
  z-index: 1;
  width: min(420px, calc(100vw - 2.4rem));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  padding: 2rem 0;
}

/* ── BRAND ── */
.login-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
  transition: opacity 160ms ease;
}
.login-brand:hover { opacity: 0.8; }
.login-brand img {
  width: 40px;
  height: 40x;
  border-radius: 8px;
}

/* ── CARD ── */
.login-card {
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: var(--g-blur);
  -webkit-backdrop-filter: var(--g-blur);
  box-shadow: var(--sh-card);
  overflow: hidden;
  animation: card-in 480ms cubic-bezier(.19,1,.22,1) both;
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.login-card-header {
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.login-card-header h1 {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}
.login-card-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ── FORM ── */
form {
  display: grid;
  gap: 1.1rem;
  padding: 1.8rem 2rem 2rem;
}

.field-group {
  display: grid;
  gap: 0.4rem;
}
.field-group label {
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(255,255,255,0.62);
  letter-spacing: 0.02em;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-wrap > svg:first-child {
  position: absolute;
  left: 0.85rem;
  color: var(--text-muted);
  pointer-events: none;
  flex-shrink: 0;
}
.input-wrap input {
  width: 100%;
  min-height: 48px;
  padding: 0.72rem 0.9rem 0.72rem 2.6rem;
  border: 1px solid var(--input-border);
  border-radius: var(--r-md);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.input-wrap input::placeholder { color: rgba(255,255,255,0.28); }
.input-wrap input:hover { border-color: rgba(255,255,255,0.26); }
.input-wrap input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 4px rgba(61,82,196,0.18);
  background: rgba(255,255,255,0.1);
}

/* password extra padding for toggle btn */
#field-password .input-wrap input { padding-right: 2.8rem; }

.toggle-pw {
  position: absolute;
  right: 0.75rem;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  transition: color 160ms ease, background 160ms ease;
}
.toggle-pw:hover { color: var(--text); background: rgba(255,255,255,0.08); }

/* field error state */
.field-group.has-error .input-wrap input {
  border-color: rgba(239,68,68,0.7);
  box-shadow: 0 0 0 4px rgba(239,68,68,0.12);
}
.field-error {
  font-size: 0.78rem;
  color: rgba(252,165,165,0.9);
  min-height: 1rem;
  display: block;
}

/* ── REMEMBER + FORGOT ── */
.login-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: -0.2rem;
}

.remember-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  color: var(--text-soft);
  cursor: pointer;
  user-select: none;
}
.remember-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.custom-check {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 5px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.07);
  display: grid;
  place-items: center;
  transition: background 160ms ease, border-color 160ms ease;
}
.remember-label input:checked + .custom-check {
  background: var(--royal);
  border-color: var(--royal);
}
.custom-check::after {
  content: '';
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
  transition: opacity 160ms ease;
}
.remember-label input:checked + .custom-check::after { opacity: 1; }

.forgot-link {
  font-size: 0.85rem;
  color: var(--teal-light);
  transition: opacity 160ms ease;
}
.forgot-link:hover { opacity: 0.78; }

/* ── FORM ALERT ── */
.form-alert {
  display: none;
  padding: 0.72rem 1rem;
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  line-height: 1.5;
}
.form-alert.error {
  display: block;
  background: rgba(185,28,28,0.18);
  border: 1px solid rgba(185,28,28,0.4);
  color: #fecaca;
}
.form-alert.success {
  display: block;
  background: rgba(21,128,61,0.18);
  border: 1px solid rgba(21,128,61,0.4);
  color: #bbf7d0;
}

/* ── SUBMIT BUTTON ── */
.btn-login {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 50px;
  width: 100%;
  border-radius: var(--r-pill);
  background: var(--royal);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  box-shadow: var(--sh-blue);
  transition: background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
  margin-top: 0.3rem;
}
.btn-login:hover:not(:disabled) {
  background: #4a62d8;
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(61,82,196,0.52);
}
.btn-login:active:not(:disabled) { transform: translateY(0); }
.btn-login:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}
.btn-login.loading .btn-text { display: none; }
.btn-login.loading .btn-spinner { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── FOOTER ── */
.login-footer {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}
.login-footer a {
  color: rgba(255,255,255,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.2);
  transition: color 160ms ease, border-color 160ms ease;
}
.login-footer a:hover { color: var(--text); border-color: rgba(255,255,255,0.5); }

/* ── RESPONSIVE ── */
@media (max-width: 480px) {
  .login-card-header,
  form { padding-inline: 1.4rem; }
  .login-card-header { padding-top: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}