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

:root {
  --navy:    #0d1b2a;
  --navy2:   #132233;
  --steel:   #1e3048;
  --accent:  #2e6fdc;
  --accent2: #4a8ff0;
  --light:   #f5f7fa;
  --white:   #ffffff;
  --text:    #1a2638;
  --muted:   #5a6a7e;
  --border:  #dde3ec;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--light);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── NAV ── */
nav {
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  height: 68px;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--navy);
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
}
.logo-mark {
  width: 30px; height: 30px;
  background: var(--navy);
  border-radius: 6px;
  display: grid;
  place-items: center;
}
.logo-mark svg { width: 16px; height: 16px; color: #fff; }

.nav-back {
  font-size: .875rem;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: color .2s;
}
.nav-back:hover { color: var(--text); }

/* ── MAIN ── */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
}

.login-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2.5rem 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 4px 32px rgba(13,27,42,.07);
}

.login-card h1 {
  font-family: 'Playfair Display', serif;
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: .4rem;
}
.login-card .subtitle {
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.1rem;
}
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: .4rem;
}
.form-group input {
  width: 100%;
  padding: .65rem .9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: .95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46,111,220,.12);
}

.input-wrap {
  position: relative;
}
.input-wrap input {
  padding-right: 2.6rem;
}
.toggle-pw {
  position: absolute;
  right: .75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  transition: color .2s;
}
.toggle-pw:hover { color: var(--text); }

.btn-login {
  width: 100%;
  margin-top: .5rem;
  padding: .75rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .2s, transform .15s;
}
.btn-login:hover {
  background: var(--accent2);
  transform: translateY(-1px);
}

.error-box {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: .65rem .9rem;
  font-size: .875rem;
  color: #b91c1c;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0 1rem;
}

.footer-link {
  text-align: center;
  font-size: .82rem;
  color: var(--muted);
}
.footer-link a {
  color: var(--accent);
  text-decoration: none;
}
.footer-link a:hover { text-decoration: underline; }

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 1.5rem;
  font-size: .8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}