/* Spesa_annuale_v6 - Modern Dark Theme with Perfect Contrast */

:root {
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --bg-tertiary: #4a5568;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #a0aec0;
    --accent-primary: #4299e1;
    --accent-secondary: #63b3ed;
    --accent-success: #48bb78;
    --accent-warning: #ed8936;
    --accent-danger: #f56565;
    --border-color: #4a5568;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Base Styles */
body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.75rem 1rem !important;
    border-radius: 8px;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--accent-primary) !important;
    background-color: rgba(66, 153, 225, 0.1);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    color: var(--accent-primary) !important;
    background-color: rgba(66, 153, 225, 0.2);
    box-shadow: var(--shadow-sm);
}

/* Cards */
.card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(45, 55, 72, 0.8) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

.card-header {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    border-radius: 16px 16px 0 0 !important;
}

.card-body {
    color: var(--text-primary);
    padding: 1.5rem;
}

.card-title {
    color: var(--text-primary);
    font-weight: 600;
}

.card-text {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
    text-transform: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-success) 0%, #38a169 100%);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent-warning) 0%, #dd6b20 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--accent-danger) 0%, #e53e3e 100%);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

/* Forms */
.form-control, .form-select {
    background-color: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 0.2rem rgba(66, 153, 225, 0.25);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Voice Button */
.voice-btn {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-success) 0%, #38a169 100%);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.voice-btn:hover {
    transform: scale(1.1);
    color: white;
    box-shadow: var(--shadow-xl);
}

.voice-btn.listening {
    background: linear-gradient(135deg, var(--accent-success) 0%, #38a169 100%);
    animation: pulse-voice 1.5s infinite;
}

.voice-btn.listening::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(72, 187, 120, 0.3) 0%, transparent 70%);
    animation: ripple 1.5s infinite;
}

@keyframes pulse-voice {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes ripple {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

/* AI Suggestion Card */
.ai-suggestion-card {
    background: linear-gradient(135deg, rgba(66, 153, 225, 0.1) 0%, rgba(72, 187, 120, 0.1) 100%);
    border: 2px solid rgba(66, 153, 225, 0.3);
    position: relative;
    overflow: hidden;
}

.ai-suggestion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.confidence-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-danger) 0%, var(--accent-warning) 50%, var(--accent-success) 100%);
    transition: width 0.5s ease;
}

/* Tables */
.table {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table th {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.table td {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(74, 85, 104, 0.3);
}

/* Alerts */
.alert {
    border-radius: 12px;
    border: none;
    box-shadow: var(--shadow-md);
}

.alert-success {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.2) 0%, rgba(56, 161, 105, 0.2) 100%);
    color: var(--accent-success);
    border-left: 4px solid var(--accent-success);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(245, 101, 101, 0.2) 0%, rgba(229, 62, 62, 0.2) 100%);
    color: var(--accent-danger);
    border-left: 4px solid var(--accent-danger);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.2) 0%, rgba(221, 107, 32, 0.2) 100%);
    color: var(--accent-warning);
    border-left: 4px solid var(--accent-warning);
}

.alert-info {
    background: linear-gradient(135deg, rgba(66, 153, 225, 0.2) 0%, rgba(99, 179, 237, 0.2) 100%);
    color: var(--accent-primary);
    border-left: 4px solid var(--accent-primary);
}

/* Badges */
.badge {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
}

.badge.bg-success {
    background: var(--accent-success) !important;
}

.badge.bg-secondary {
    background: var(--bg-tertiary) !important;
    color: var(--text-secondary);
}

/* Progress Bars */
.progress {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
    height: 12px;
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent-success), #38a169);
    transition: width 0.3s ease;
}

/* Statistics Cards */
.stat-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(45, 55, 72, 0.8) 100%);
    border-left: 4px solid var(--accent-primary);
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-left-color: var(--accent-success);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

/* Category Icons */
.category-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
    margin-right: 0.75rem;
    transition: all 0.3s ease;
}

.category-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Toast Notifications */
.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.toast-header {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

/* Contrast Fixes */
.bg-white {
    background-color: #ffffff !important;
    color: #212529 !important;
}

.bg-light {
    background-color: #f8f9fa !important;
    color: #212529 !important;
}

.text-white {
    color: #ffffff !important;
}

.text-dark {
    color: #212529 !important;
}

/* White background sections need dark text */
.card-body.bg-white, .card-body.bg-light {
    color: #212529 !important;
}

.card-body.bg-white h5, .card-body.bg-light h5 {
    color: #212529 !important;
}

.card-body.bg-white p, .card-body.bg-light p {
    color: #495057 !important;
}

/* Dark background sections need light text */
.card-body.bg-dark {
    color: #f8f9fa !important;
}

.card-body.bg-dark h5 {
    color: #ffffff !important;
}

.card-body.bg-dark p {
    color: #e9ecef !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .voice-btn {
        width: 60px;
        height: 60px;
        font-size: 1.3rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .category-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}

/* Bootstrap Overrides for Better Visibility */
.text-muted {
    --bs-text-opacity: 1;
    color: #e9ecef !important;
}

.text-secondary {
    color: #cbd5e0 !important;
}

.small, small {
    color: #e2e8f0 !important;
}

/* Button Overrides */
.btn-outline-secondary {
    --bs-btn-color: #e9ecef;
    --bs-btn-border-color: #6c757d;
    --bs-btn-hover-color: #000;
    --bs-btn-hover-bg: #e9ecef;
    --bs-btn-hover-border-color: #e9ecef;
}

/* List Group Overrides */
.list-group-item {
    background-color: var(--bs-gray-800) !important;
    border-color: var(--bs-gray-700) !important;
    color: #e9ecef !important;
}

/* Dropdown Overrides */
.dropdown-menu {
    background-color: var(--bs-gray-800) !important;
    border-color: var(--bs-gray-700) !important;
}

.dropdown-item {
    color: #e9ecef !important;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--bs-gray-700) !important;
    color: #fff !important;
}

/* Modal Overrides for Better Visibility */
.modal-content {
    --bs-modal-bg: #2c3e50 !important;
    background-color: #2c3e50 !important;
    border: 1px solid #495057;
    color: #e9ecef !important;
}

.modal-header {
    border-bottom: 1px solid #495057;
    background-color: #34495e !important;
}

.modal-title {
    color: #fff !important;
    font-weight: 600;
}

.modal-body {
    color: #e9ecef !important;
    background-color: #2c3e50 !important;
}

.modal-body p {
    color: #e9ecef !important;
    margin-bottom: 0.8rem;
}

.modal-body strong {
    color: #fff !important;
    font-weight: 600;
}

.modal-footer {
    border-top: 1px solid #495057;
    background-color: #34495e !important;
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Print Styles */
@media print {
    .text-muted,
    .text-secondary,
    .small,
    small {
        color: #000 !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .card {
        border: 1px solid #dee2e6 !important;
        box-shadow: none !important;
    }
    
    .text-muted {
        color: #6c757d !important;
    }
}