:root {
  --bg:          #07090f;
  --bg-2:        #0c0f1a;
  --bg-3:        #111422;
  --surface:     rgba(255,255,255,.04);
  --border:      rgba(255,255,255,.08);
  --border-hi:   rgba(0,220,180,.25);
  --accent:      #00dcb4;
  --accent-2:    #00b8f5;
  --text:        #e8eaf0;
  --muted:       #8a90a4;
  --faint:       #3a3f54;
  --error:       #ff5f57;
  --error-bg:    rgba(255,95,87,.08);
  --error-border:rgba(255,95,87,.3);
  --font-head:   'Syne', sans-serif;
  --font-body:   'DM Sans', sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,220,180,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,220,180,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(0,220,180,.09) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

.login__main {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

.login__main-section {
  width: 100%;
  max-width: 420px;
  animation: fadeUp .55s ease both;
}

.login__main-title {
  text-align: center;
  margin-bottom: 2rem;
}

.login__logo-badge {
  width: 64px;
  height: 64px;
  background: none;
  border: none;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin: 0 auto 1.25rem;
}

.login__main-title h1 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -.035em;
  color: var(--text);
  margin-bottom: .35rem;
}

.login__main-title p {
  font-size: .88rem;
  color: var(--muted);
  font-weight: 300;
}

.login__main-fieldset {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.25rem;
}

.login__form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.login__alert {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: 10px;
  padding: .85rem 1rem;
  margin-bottom: 1.25rem;
  color: var(--error);
  font-size: .85rem;
  animation: shake .4s ease;
}

.login__alert strong {
  display: block;
  font-weight: 600;
  margin-bottom: .2rem;
  font-size: .88rem;
}

.login__alert p {
  margin: 0;
  font-weight: 300;
  color: rgba(255,95,87,.8);
}

.login__field {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.login__field label {
  font-size: .82rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .02em;
}

.login__field input,
.login__field select,
.login__field textarea {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .75rem 1rem;
  font-size: .9rem;
  font-family: var(--font-body);
  color: var(--text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
}

.login__field input::placeholder {
  color: var(--faint);
}

.login__field input:focus {
  border-color: var(--border-hi);
  box-shadow: 0 0 0 3px rgba(0,220,180,.08);
}

.login__field-error {
  font-size: .78rem;
  color: var(--error);
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.login__field-error p {
  margin: 0;
  display: flex;
  align-items: center;
  gap: .3rem;
}

.login__field-error p::before {
  content: '⚠';
  font-size: .7rem;
}

.login__help-text {
  font-size: .75rem;
  color: var(--faint);
  line-height: 1.5;
}

.login__options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-top: .2rem;
}

.login__remember {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.login__remember-checkbox {
  background-color: var(--bg-3);
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  border-radius: 4px;
  flex-shrink: 0;
}

.login__remember label {
  font-size: .82rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  margin: 0;
}

.login__forgot-link {
  font-size: .82rem;
  color: var(--faint);
  text-decoration: none;
  transition: color .2s;
  white-space: nowrap;
}
.login__forgot-link:hover {
  color: var(--accent);
}

.login__main-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #07090f;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: -.01em;
  padding: .9rem 1.5rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  margin-top: .4rem;
}

.login__main-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(0,220,180,.3);
}

.login__main-submit:active {
  transform: translateY(0);
  box-shadow: none;
}

.login__main-submit span {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

.login__main-submit span::after {
  content: '→';
}

.login__main-signup {
  text-align: center;
  animation: fadeUp .55s .15s ease both;
  opacity: 0;
}

.login__main-signup p {
  font-size: .85rem;
  color: var(--faint);
}

.login__main-signup a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
  transition: color .2s;
}

.login__main-signup a:hover {
  color: #00f5c8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 480px) {
  .login__main-fieldset { padding: 1.5rem 1.25rem; }
  .login__main-title h1 { font-size: 1.5rem; }
}