*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #f4f4f0;
  --panel:    #ffffff;
  --border:   #ddddd8;
  --accent:   #2a2a2a;
  --accent2:  #7c5cbb;
  --text:     #1a1a1a;
  --muted:    #999994;
  --error:    #c0392b;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  font-family: 'Jost', sans-serif;
  color: var(--text);
  overflow: hidden;
}

/* --- animated background --- */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(0,0,0,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.bg-orb {
  position: fixed; z-index: 0;
  border-radius: 50%;
  filter: blur(120px);
  animation: drift 14s ease-in-out infinite alternate;
}
.bg-orb-1 { width: 500px; height: 500px; background: rgba(124,92,187,.12); top: -120px; left: -100px; }
.bg-orb-2 { width: 420px; height: 420px; background: rgba(42,42,42,.07); bottom: -100px; right: -80px; animation-delay: -7s; }

@keyframes drift {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(30px,40px) scale(1.08); }
}

/* --- card --- */
.card {
  position: relative; z-index: 1;
  width: min(420px, 92vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 48px 44px 44px;
  box-shadow: 0 8px 40px rgba(0,0,0,.10), 0 0 0 1px rgba(0,0,0,.05) inset;
  animation: rise .6s cubic-bezier(.22,1,.36,1) both;
}

@keyframes rise {
  from { opacity:0; transform: translateY(28px) scale(.97); }
  to   { opacity:1; transform: none; }
}

/* decorative top bar */
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent), var(--accent2));
  border-radius: 2px 2px 0 0;
}

h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: .02em;
  line-height: 1.15;
  margin-bottom: 6px;
}

.subtitle {
  font-size: .8rem;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: .06em;
  margin-bottom: 36px;
}

/* --- form --- */
.field { margin-bottom: 22px; }

label {
  display: block;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  transition: color .2s;
}

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

.input-wrap svg {
  position: absolute; left: 14px;
  color: var(--muted);
  pointer-events: none;
  transition: color .2s;
}

input[type="text"],
input[type="password"],
input[type="email"] {
  width: 100%;
  padding: 12px 14px 12px 42px;
  background: rgba(0,0,0,.02);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  font-family: 'Jost', sans-serif;
  font-size: .9rem;
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
}

input:focus {
  border-color: var(--accent);
  background: rgba(0,0,0,.02);
  box-shadow: 0 0 0 3px rgba(42,42,42,.08);
}

.field:focus-within label { color: var(--accent); }
.field:focus-within .input-wrap svg { color: var(--accent); }

input::placeholder { color: var(--muted); font-weight: 300; }

/* toggle password */
.toggle-pw {
  position: absolute; right: 12px;
  background: none; border: none; cursor: pointer;
  color: var(--muted); display: flex; align-items: center;
  transition: color .2s;
}
.toggle-pw:hover { color: var(--accent); }

/* remember + forgot */
.row-aux {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px; font-size: .78rem;
}

.check-label {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; color: var(--muted);
  user-select: none;
}

.check-label input[type="checkbox"] { display: none; }

.checkbox-box {
  width: 16px; height: 16px;
  border: 1px solid var(--border);
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: border-color .2s, background .2s;
}

.check-label input:checked + .checkbox-box {
  background: var(--accent);
  border-color: var(--accent);
}

.check-label input:checked + .checkbox-box::after {
  content: '';
  width: 8px; height: 5px;
  border-left: 1.5px solid var(--bg);
  border-bottom: 1.5px solid var(--bg);
  transform: rotate(-45deg) translateY(-1px);
}

.forgot {
  color: var(--muted); text-decoration: none;
  font-size: .76rem; letter-spacing: .05em;
  transition: color .2s;
}
.forgot:hover { color: var(--accent); }

/* --- button --- */
.btn-login {
  width: 100%;
  padding: 14px;
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 2px;
  color: var(--accent);
  font-family: 'Jost', sans-serif;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color .3s;
  margin-bottom: 24px;
}

.btn-login::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.22,1,.36,1);
}

.btn-login:hover::before { transform: scaleX(1); }
.btn-login:hover { color: var(--bg); }
.btn-login span { position: relative; z-index: 1; }

/* --- error message --- */
.error-msg {
  display: none;
  font-size: .74rem;
  color: var(--error);
  margin-top: 6px;
  letter-spacing: .04em;
}
.field.has-error input { border-color: var(--error); }
.field.has-error .error-msg { display: block; }