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

:root {
  --primary-blue: #2563EB;
  --hover-blue: #60A5FA;
  --gold-accent: #FBBF24;
  --dark-base: #0F172A;
  --dark-slate: #1E293B;
  --primary-text: #1E293B;
  --secondary-text: #475569;
  --muted-text: #64748B;
  --borders: #E2E8F0;
  --light-bg: #F8FAFC;
  --white: #FFFFFF;
  --success-green: #10B981;
  --warning-yellow: #F59E0B;
  --error-red: #EF4444;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Helvetica, Arial, sans-serif;
  background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  color: var(--primary-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navigation */
.portal-nav {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--borders);
}

.portal-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.portal-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

.portal-logo:hover {
  color: var(--hover-blue);
}

.portal-logo i {
  font-size: 24px;
}

.portal-nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.portal-nav-link {
  color: var(--secondary-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.3s ease;
  position: relative;
}

.portal-nav-link:hover,
.portal-nav-link.active {
  color: var(--primary-blue);
}

.portal-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-blue);
  border-radius: 2px 2px 0 0;
}

.portal-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.portal-nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Main Content */
.portal-main {
  flex: 1;
  padding: 40px 0;
}

.portal-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Welcome Section */
.portal-welcome {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--hover-blue) 100%);
  color: var(--white);
  padding: 60px 40px;
  border-radius: 16px;
  margin-bottom: 40px;
  text-align: center;
}

.portal-welcome h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.portal-welcome p {
  font-size: 18px;
  opacity: 0.95;
}

/* Portal Section */
.portal-section {
  margin-bottom: 60px;
}

.portal-section h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--dark-base);
  margin-bottom: 32px;
}

/* Dashboard Grid */
.portal-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.portal-card {
  background: var(--white);
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--borders);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portal-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.portal-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--hover-blue) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--white);
  font-size: 24px;
}

.portal-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--secondary-text);
  margin-bottom: 12px;
}

.portal-card-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark-base);
}

/* Projects List */
.portal-projects-list {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--borders);
}

.portal-loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--secondary-text);
}

.portal-loading i {
  font-size: 48px;
  color: var(--primary-blue);
  margin-bottom: 20px;
}

/* Documents List */
.portal-documents-list {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--borders);
  text-align: center;
  color: var(--secondary-text);
}

/* Support Section */
.portal-support {
  background: var(--white);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--borders);
  text-align: center;
}

.portal-support p {
  font-size: 18px;
  color: var(--secondary-text);
  margin-bottom: 32px;
}

.portal-support-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.portal-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 15px;
}

.portal-btn-primary {
  background: var(--primary-blue);
  color: var(--white);
}

.portal-btn-primary:hover {
  background: var(--hover-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.portal-btn-secondary {
  background: var(--white);
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.portal-btn-secondary:hover {
  background: var(--primary-blue);
  color: var(--white);
}

/* Footer */
.portal-footer {
  background: var(--white);
  border-top: 1px solid var(--borders);
  padding: 32px 0;
  margin-top: 60px;
}

.portal-footer .portal-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.portal-footer p {
  color: var(--secondary-text);
  font-size: 14px;
}

.portal-footer-links {
  display: flex;
  gap: 24px;
}

.portal-footer-links a {
  color: var(--secondary-text);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

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

/* Login Modal */
.portal-login-modal {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
  z-index: 2000;
  padding: 20px;
}

.portal-login-card {
  background: var(--white);
  border-radius: 16px;
  padding: 48px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.portal-login-header {
  text-align: center;
  margin-bottom: 32px;
}

.portal-login-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--dark-base);
  margin-bottom: 8px;
}

.portal-login-header p {
  color: var(--secondary-text);
  font-size: 15px;
}

.portal-login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.portal-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.portal-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.portal-form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-base);
}

.portal-form-input {
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--primary-text);
  background: var(--white);
  border: 2px solid var(--borders);
  border-radius: 8px;
  transition: all 0.3s ease;
  width: 100%;
  box-sizing: border-box;
}

.portal-form-input[readonly] {
  background: var(--light-bg);
  cursor: not-allowed;
}

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

.portal-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.portal-profile-form {
  background: var(--white);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  max-width: 800px;
  margin: 0 auto;
}

.portal-form-input textarea {
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
  line-height: 1.5;
}

.portal-form-help {
  display: block;
  font-size: 12px;
  color: var(--muted-text);
  margin-top: 4px;
  font-style: italic;
}

/* Responsive form rows */
@media (max-width: 768px) {
  .portal-form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .portal-profile-form {
    padding: 20px;
  }
}

.portal-message {
  min-height: 20px;
}

.portal-error {
  background: rgba(239, 68, 68, 0.1);
  color: #DC2626;
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.portal-success {
  background: rgba(34, 197, 94, 0.1);
  color: #16A34A;
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.portal-btn-block {
  width: 100%;
  justify-content: center;
}

/* User Menu in Nav */
.portal-user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.portal-user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--secondary-text);
  font-size: 14px;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all 0.3s ease;
  position: relative;
}

.portal-user-info:hover {
  background: var(--light-bg);
  color: var(--primary-text);
}

.portal-user-email {
  font-weight: 500;
}

.portal-user-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 180px;
  z-index: 1000;
  overflow: hidden;
  border: 1px solid var(--borders);
}

.portal-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  color: var(--primary-text);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.portal-dropdown-item:hover {
  background: var(--light-bg);
  color: var(--primary-blue);
}

.portal-dropdown-item i {
  width: 16px;
  text-align: center;
}

.portal-logout-btn {
  background: none;
  border: none;
  color: var(--secondary-text);
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.portal-logout-btn:hover {
  background: var(--light-bg);
  color: var(--primary-blue);
}

/* Responsive */
@media (max-width: 768px) {
  .portal-nav-links {
    display: none;
  }

  .portal-nav-toggle {
    display: flex;
  }

  .portal-welcome {
    padding: 40px 24px;
  }

  .portal-welcome h1 {
    font-size: 28px;
  }

  .portal-welcome p {
    font-size: 16px;
  }

  .portal-dashboard-grid {
    grid-template-columns: 1fr;
  }

  .portal-support-links {
    flex-direction: column;
    align-items: stretch;
  }

  .portal-btn {
    width: 100%;
    justify-content: center;
  }

  .portal-footer .portal-container {
    flex-direction: column;
    text-align: center;
  }

  .portal-login-card {
    padding: 32px 24px;
  }

  .portal-login-header h2 {
    font-size: 24px;
  }
}