/* Base Styles */
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --info-color: #0ea5e9;
    --warning-color: #f59e0b;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --background: #ffffff;
    --background-alt: #f9fafb;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 0.375rem;
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-alt);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.25rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

small {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 0.625rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
}

.form-group.checkbox input {
    width: auto;
    margin-right: 0.5rem;
}

.form-group.checkbox label {
    margin-bottom: 0;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-info {
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--info-color);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Layout Components */
.site-header {
    background-color: var(--background);
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo img {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}


.main-nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 1.5rem;
}

.site-content {
    flex: 1;
    padding: 2.5rem 0;
}

.site-footer {
    background-color: var(--background);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Authentication Pages */
.auth-container {
    max-width: 480px;
    margin: 2rem auto;
}

.auth-card {
    background-color: var(--background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-form {
    margin-bottom: 1.5rem;
}

.auth-footer {
    text-align: center;
    font-size: 0.875rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Home Page */
.hero {
    margin: 2rem 0 3rem;
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-text {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background-color: var(--background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

/* Dashboard */
.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-top: -0.5rem;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background-color: var(--background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.wide-card {
    grid-column: 1 / -1;
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(249, 250, 251, 0.5);
}

.card-header h3 {
    margin-bottom: 0;
}

.card-body {
    padding: 1.5rem;
}

.profile-info .info-item {
    margin-bottom: 1rem;
    display: flex;
}

.info-label {
    font-weight: 500;
    width: 100px;
}

.action-list {
    list-style: none;
}

.action-list li {
    margin-bottom: 0.75rem;
}

.action-link {
    display: inline-block;
    padding: 0.375rem 0;
    transition: var(--transition);
}

.text-danger {
    color: var(--danger-color);
}

.text-danger:hover {
    color: var(--danger-color);
    opacity: 0.8;
}

/* Patent-specific styles */
.text-center {
    text-align: center;
}

.text-danger {
    color: var(--danger-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-success {
    color: var(--success-color);
}

.hidden {
    display: none;
}

.bg-info-light {
    background-color: rgba(14, 165, 233, 0.1);
}

.bg-warning-light {
    background-color: rgba(245, 158, 11, 0.1);
}

.bg-danger-light {
    background-color: rgba(239, 68, 68, 0.1);
}

.fto-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
}

.fto-badge.limiting {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger-color);
}

.fto-badge.perhaps-limiting {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--warning-color);
}

.fto-badge.unrelated {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
}

.info-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75rem 1.5rem;
}

.info-grid dt {
    font-weight: 500;
}

.table-responsive {
    overflow-x: auto;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
}