:root {
    --primary-color: #4BA678;
    --primary-dark: #409063;
    --brand-green: #4BA678;
    --background-color: #ffffff;
    --text-color: #111827;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-shadow: 0 8px 32px 0 rgba(75, 166, 120, 0.15);
    --nav-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.navbar {
    background-color: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: var(--nav-shadow);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
}

.navbar-brand {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
}

.navbar-logo {
    height: 34px;
    width: auto;
    object-fit: contain;
    transition: transform 0.2s ease-in-out;
}

.navbar-brand:hover .navbar-logo {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    color: var(--text-color) !important;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s ease-in-out;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Dashboard Specific Styles */
.dashboard-container {
    padding-top: 80px;
    min-height: 100vh;
    background-color: #f9fafb;
}

.stats-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-hover-shadow);
}

.stats-number {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: var(--card-hover-shadow);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 1.25rem;
}

/* Form Styles */
.form-control {
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(75, 166, 120, 0.2);
}

.input-group-text {
    background-color: #f9fafb;
    border: 1px solid #e5e7eb;
    color: #6b7280;
}

/* Button Styles */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline-secondary {
    border-color: #e5e7eb;
    color: #6b7280;
    transition: all 0.2s ease;
}

.btn-outline-secondary:hover {
    background-color: #f9fafb;
    border-color: #d1d5db;
    color: #4b5563;
}

/* Table Styles */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    color: #6b7280;
    border-bottom: 2px solid #e5e7eb;
    padding: 1rem;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
}

/* QR Code Styles */
.qr-customization {
    background-color: #f9fafb;
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1rem 0;
}

.qr-code-thumbnail {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.qr-code-thumbnail:hover {
    transform: scale(1.1);
}

.qr-code-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.download-buttons {
    display: flex;
    gap: 0.25rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .dashboard-container {
        padding-top: 60px;
    }

    .stats-card {
        padding: 1rem;
    }

    .card-body {
        padding: 1rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .table-responsive {
        margin: 0 -1rem;
    }
}

/* Chart Container Styles */
.chart-container {
    position: relative;
    margin: auto;
    height: 300px;
    width: 100%;
}

/* Loading Animation */
.loading {
    position: relative;
    height: 200px;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: var(--card-shadow);
    z-index: 1050;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.toast.show {
    opacity: 1;
}

.btn {
  padding: 0.75rem 1.5rem;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.cta-button {
    display: flex;
    justify-content: center;
}

@media (max-width: 768px) {
    .cta-button {
        padding: 0 1rem;
    }
    .btn {
        width: 100%;
    }
}