@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/inter-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/static/fonts/inter-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/static/fonts/inter-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'DM Serif Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/dm-serif-display-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'DM Serif Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/dm-serif-display-latin-400-italic.woff2') format('woff2');
}

:root {
  --bg:          #F8F8F6;
  --bg-surface:  #ffffff;
  --text:        #111111;
  --text-muted:  #6b7280;
  --accent:      #FF6B35;
  --accent-dark: #e55a25;
  --primary:     #004E89;
  --border:      #e5e7eb;
  --border-hair: rgba(0,0,0,0.08);
  --font-serif:  'DM Serif Display', Georgia, serif;
  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm:   8px;
  --radius:      14px;
  --radius-pill: 999px;
  --ease:        200ms cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  padding: 1.5rem;
}


.login-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-hair);
  border-radius: 20px;
  padding: 2.75rem 2.5rem 2.25rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.06);
}


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


.brand-kicker {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.brand-logo {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.4rem;
  display: block;
}

.brand-logo .logo-dot {
  color: var(--accent);
}


.brand-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}


.form-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 1.5rem;
  text-align: center;
  letter-spacing: -0.01em;
}


.form-group {
  margin-bottom: 1.125rem;
  text-align: left;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"] {
  width: 100%;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  background: var(--bg-surface);
  color: var(--text);
  transition: border-color var(--ease);
  appearance: none;
  -webkit-appearance: none;
}

input[type="email"]::placeholder,
input[type="password"]::placeholder,
input[type="text"]::placeholder,
input[type="number"]::placeholder {
  color: #b0b8c1;
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus,
input[type="number"]:focus {
  border-color: var(--accent);
}
input[type="email"]:focus-visible,
input[type="password"]:focus-visible,
input[type="text"]:focus-visible,
input[type="number"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}


input[name="captcha"] {
  width: 88px;
}

.captcha-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#regMathQuestion {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}


.glass-btn {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--text);
  color: var(--bg-surface);
  border: none;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: opacity var(--ease), transform var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  letter-spacing: 0.03em;
  margin-top: 0.25rem;
}

.glass-btn:hover {
  opacity: 0.87;
  transform: translateY(-1px);
}

.glass-btn:active {
  transform: translateY(0);
  opacity: 1;
}
.glass-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}


.error {
  color: #922b21;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: #fdf2f2;
  border: 1px solid #e8b4b0;
  border-radius: var(--radius-sm);
  display: none;
  font-size: 0.875rem;
  text-align: left;
  line-height: 1.5;
}

.success {
  color: #1a7340;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(26,115,64,0.07);
  border: 1px solid rgba(26,115,64,0.18);
  border-radius: var(--radius-sm);
  display: none;
  font-size: 0.875rem;
  text-align: left;
  line-height: 1.5;
}


.links {
  margin-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
}

.link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--ease);
  cursor: pointer;
}

.link:hover {
  color: var(--accent);
}


#registerForm,
#forgotForm {
  display: none;
}


@media (max-width: 480px) {
  body {
    align-items: flex-start;
    padding-top: 2rem;
  }

  .login-container {
    padding: 2rem 1.5rem 1.75rem;
    border-radius: 16px;
  }

  .brand-logo {
    font-size: 1.875rem;
  }

  .links {
    flex-direction: column;
    gap: 0.625rem;
    text-align: center;
  }
}