/* Base44-inspired gradient background and modern UI */

:root {
    --gradient-start: #667eea;
    --gradient-middle: #764ba2;
    --gradient-end: #f093fb;
    --accent-orange: #ff6b35;
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --border-light: rgba(255, 255, 255, 0.2);
}

/* Global gradient background */
body {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-middle) 50%, var(--gradient-end) 100%);
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Override dark theme for modern light interface */
[data-bs-theme="dark"] {
    --bs-body-bg: transparent;
    --bs-body-color: var(--text-primary);
}

/* Modern card styling */
.modern-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

/* Navigation styling */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar-glass {
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1050;
}

.navbar-glass .navbar-brand,
.navbar-glass .nav-link {
    color: white !important;
    font-weight: 600 !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    font-size: 1rem !important;
}

.navbar-glass .navbar-brand {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
}

.navbar-glass .nav-link:hover {
    color: white !important;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    transform: translateY(-1px);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

/* Adjust body padding for fixed navbar */
body {
    padding-top: 120px !important;
}

/* Ensure navbar stays fixed */
.navbar.fixed-top {
    position: fixed !important;
    top: 0 !important;
    width: 100% !important;
    z-index: 1050 !important;
}

/* Ensure main content doesn't overlap with fixed navbar */
main.container {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

/* Flash message container adjustment */
.container:has(.alert) {
    margin-top: 1rem !important;
}

/* Hero section adjustment for reports */
.hero-section {
    margin-top: 0 !important;
    padding-top: 0 !important;
}

/* Additional spacing for page content */
.modern-card:first-child,
.row:first-child {
    margin-top: 0 !important;
}

/* Dashboard cards spacing */
.dashboard-card {
    margin-top: 0 !important;
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    padding: 0.75rem 1.25rem !important;
    border-radius: 8px;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
    text-shadow: none;
}

/* Enhanced styling for glass navbar specifically */
.navbar-glass .navbar-nav .nav-link {
    color: white !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    padding: 0.75rem 1.25rem !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(102, 126, 234, 0.1);
}

/* Modern buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-middle));
    border: none;
    border-radius: 12px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-orange {
    background: var(--accent-orange);
    border: none;
    border-radius: 12px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    transition: all 0.3s ease;
}

.btn-orange:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    color: white;
}

/* Search and input styling */
.modern-search {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
}

.modern-search:focus {
    outline: none;
    border-color: var(--gradient-start);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.modern-search::placeholder {
    color: var(--text-secondary);
    font-weight: 400;
}

/* Form controls */
.form-control {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--gradient-start);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    color: var(--text-primary);
}

/* Hero section styling */
.hero-section {
    text-align: center;
    padding: 1rem 0 3rem 0;
    color: white;
    margin-top: 0 !important;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 3rem;
    opacity: 0.9;
}

/* Dashboard cards */
.dashboard-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 1.5rem;
    height: 100%;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gradient-start);
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* Table styling */
.table {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

.table thead th {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-middle));
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Badge styling */
.badge {
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

/* Alert styling */
.alert {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    color: var(--text-primary);
}

/* Back to Dashboard button styling - Enhanced visibility */
.btn-outline-secondary {
    border: 2px solid rgba(255, 255, 255, 0.9) !important;
    color: white !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 12px !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important;
    background: rgba(255, 255, 255, 0.15) !important;
    backdrop-filter: blur(15px) !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
}

.btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    border-color: white !important;
    color: white !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5) !important;
    text-decoration: none !important;
}

.btn-outline-secondary:focus,
.btn-outline-secondary:active {
    background: rgba(255, 255, 255, 0.3) !important;
    border-color: white !important;
    color: white !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2) !important;
    text-decoration: none !important;
}

/* Enhanced dropdown styling for user menu */
.navbar-glass .dropdown-toggle {
    color: white !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

.navbar-glass .dropdown-toggle:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4) !important;
}

/* Navbar Logo Styling */
.navbar-logo {
    width: 64px !important;
    height: 64px !important;
    object-fit: contain !important;
    margin-right: 0.25rem !important;
    border-radius: 12px !important;
    background: transparent !important;
    padding: 2px !important;
    transition: all 0.3s ease !important;
    filter: contrast(1.1) brightness(1.05) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3)) !important;
}

.navbar-logo:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    transform: scale(1.08) !important;
    filter: contrast(1.2) brightness(1.1) drop-shadow(0 3px 6px rgba(0, 0, 0, 0.4)) !important;
}

/* Device Activation Page Styling */
.page-title {
    color: white !important;
    font-size: 1.8rem !important;
    font-weight: 600 !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
    margin-bottom: 0 !important;
}

.title-icon {
    margin-right: 0.75rem !important;
    width: 28px !important;
    height: 28px !important;
}

.form-header {
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
    padding-bottom: 1rem;
}

.form-title {
    color: var(--text-primary) !important;
    font-size: 1.3rem !important;
    font-weight: 600 !important;
    margin-bottom: 0 !important;
    display: flex;
    align-items: center;
}

.form-icon {
    margin-right: 0.75rem !important;
    color: var(--gradient-start) !important;
    width: 24px !important;
    height: 24px !important;
}

/* Enhanced Form Inputs */
.modern-input {
    background: rgba(255, 255, 255, 0.95) !important;
    border: 2px solid rgba(102, 126, 234, 0.2) !important;
    border-radius: 12px !important;
    padding: 0.875rem 1.25rem !important;
    color: var(--text-primary) !important;
    font-weight: 500 !important;
    font-size: 1rem !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05) !important;
}

.modern-input:focus {
    background: white !important;
    border-color: var(--gradient-start) !important;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15), 0 4px 20px rgba(0, 0, 0, 0.1) !important;
    color: var(--text-primary) !important;
    outline: none !important;
}

.modern-input::placeholder {
    color: rgba(77, 85, 104, 0.6) !important;
    font-weight: 400 !important;
}

/* Form Labels */
.form-label {
    color: var(--text-primary) !important;
    font-weight: 600 !important;
    font-size: 0.95rem !important;
    margin-bottom: 0.5rem !important;
    text-transform: none !important;
    letter-spacing: normal !important;
}

/* Enhanced Alert */
.modern-alert {
    background: rgba(13, 202, 240, 0.1) !important;
    border: 1px solid rgba(13, 202, 240, 0.2) !important;
    border-radius: 12px !important;
    padding: 1.25rem !important;
    color: var(--text-primary) !important;
    display: flex !important;
    align-items: flex-start !important;
}

.alert-icon {
    margin-right: 1rem !important;
    color: #0dcaf0 !important;
    flex-shrink: 0 !important;
    margin-top: 0.125rem !important;
    width: 20px !important;
    height: 20px !important;
}

.alert-content {
    flex: 1 !important;
}

/* Enhanced Submit Button */
.modern-submit-btn {
    background: linear-gradient(135deg, #28a745, #20c997) !important;
    border: none !important;
    border-radius: 12px !important;
    padding: 1rem 3rem !important;
    font-weight: 600 !important;
    font-size: 1.1rem !important;
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2) !important;
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.3) !important;
    transition: all 0.3s ease !important;
    text-transform: none !important;
    letter-spacing: 0.5px !important;
}

.modern-submit-btn:hover {
    background: linear-gradient(135deg, #218838, #1ea885) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4) !important;
    color: white !important;
}

.modern-submit-btn:focus,
.modern-submit-btn:active {
    background: linear-gradient(135deg, #1e7e34, #198754) !important;
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4) !important;
    color: white !important;
}

/* Form Text Styling */
.form-text {
    color: rgba(77, 85, 104, 0.7) !important;
    font-size: 0.875rem !important;
    font-weight: 400 !important;
    margin-top: 0.5rem !important;
}

/* Select Dropdown Enhancement */
.form-select.modern-input {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23667eea' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 1rem center !important;
    background-size: 16px 12px !important;
    padding-right: 3rem !important;
}

.form-select.modern-input:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23667eea' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e") !important;
}

/* Error State Styling */
.invalid-feedback {
    color: #dc3545 !important;
    font-weight: 500 !important;
    font-size: 0.875rem !important;
    margin-top: 0.5rem !important;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .page-title {
        font-size: 1.5rem !important;
    }
    
    .form-title {
        font-size: 1.2rem !important;
    }
    
    .modern-input {
        padding: 0.75rem 1rem !important;
        font-size: 0.95rem !important;
    }
    
    .modern-submit-btn {
        padding: 0.875rem 2rem !important;
        font-size: 1rem !important;
    }
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-light);
    color: var(--text-primary);
}

/* Loading spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .modern-card {
        padding: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
}

/* Chart containers */
.chart-container {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

/* Modern dropdown */
.dropdown-menu {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.dropdown-item {
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
}

.dropdown-item:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--text-primary);
}

/* Feature pills */
.feature-pill {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    margin: 0.25rem;
    color: var(--text-primary);
    font-weight: 500;
    display: inline-block;
    transition: all 0.3s ease;
}

.feature-pill:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}