/*!
 *  Professional Corporate Login Page Styles
 *  Design: structured grid, muted blue accent, formal
 *  Quality Guide Version: 1.0.0
 */

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

ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

:root {
  --bg-primary: #f0f4f8;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --accent-primary: #2563eb;
  --accent-hover: #1d4ed8;
  --border-subtle: rgba(0,0,0,0.1);
  --shadow-card: 0 2px 8px -2px rgba(37,99,235,0.12), 0 1px 4px -1px rgba(0,0,0,0.08);
  --radius-md: 8px;
  --radius-sm: 4px;
  --gradient-hero: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  --gradient-accent: linear-gradient(90deg, #2563eb, #1d4ed8);
}

body {
  font-family: "Segoe UI", Arial, Helvetica, "Noto Sans", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-surface);
  box-shadow: 0 1px 3px -1px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.navbar .logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent-primary);
}

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  margin-top: var(--navbar-height, 0);
}

@media (max-width: 768px) {
  .login-page {
    padding-top: 80px;
  }
}

.login-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  margin: 0 auto;
}

.login-card h2 {
  font-size: 1.875rem;
  margin-bottom: 0.5rem;
  text-align: center;
  color: var(--text-primary);
}

.login-card p {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 0.75rem 0.875rem;
  font-size: 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
  color: #94a3b8;
}

.toggle-password {
  align-self: flex-end;
  font-size: 0.75rem;
  color: var(--accent-primary);
  cursor: pointer;
  padding-right: 0.25rem;
}

.toggle-password:hover {
  text-decoration: underline;
}

.btn-primary {
  width: 100%;
  padding: 0.875rem;
  font-size: 1rem;
  font-weight: 500;
  color: white;
  background-color: var(--accent-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-primary:active {
  transform: translateY(1px);
}

.form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.link-forgot, .link-signup {
  color: var(--accent-primary);
  text-decoration: none;
}

.link-forgot:hover, .link-signup:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  margin-top: 3rem;
  padding: 2rem 0;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.footer-links li {
  display: inline-block;
  margin-left: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.75rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

/* Responsive: Mobile Navigation */
@media (max-width: 768px) {
  .navbar .container {
    flex-wrap: wrap;
    justify-content: space-between;
  }
  
  .nav-links {
    pointer-events: none;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 0.5rem;
  }
  
  .nav-links.open {
    pointer-events: auto;
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }
  
  .nav-links a {
    width: 100%;
    padding: 0.5rem 0;
    border-top: 1px solid var(--border-subtle);
    display: block;
  }
}