/* Modern theme variables */
:root {
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --background-color: #0f172a;
    --card-background: #1e293b;
    --surface-light: rgba(30, 41, 59, 0.7);
    --surface-dark: rgba(15, 23, 42, 0.7);
    --text-primary: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --error-color: #ef4444;
    --success-color: #10b981;
    --shadow-color: rgba(0, 0, 0, 0.25);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.loading-content {
    text-align: center;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-light);
    animation: spin 1s linear infinite;
}

/* Analysis Modal */
.analysis-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.modal-content {
    background: var(--card-background);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--surface-dark);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.close-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 130px);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--surface-dark);
    border-top: 1px solid var(--border-color);
}

.action-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
}

.cancel-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.cancel-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* Error Message */
.error-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--error-color);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    z-index: 1001;
    animation: slideIn 0.3s ease-out;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
}

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

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.analysis-container {
    max-width: 800px;
    margin: 2rem auto;
    background-color: var(--card-background);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.analysis-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.analysis-header h2 {
    color: var(--primary-light);
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.analysis-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.3);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.analysis-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-color);
    border-color: var(--primary-light);
}

.analysis-section h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.analysis-section p {
    line-height: 1.8;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.back-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-decoration: none;
    border-radius: 0.75rem;
    margin-top: 2rem;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
}

/* Loading Animation */
.analysis-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 3rem;
}

.analysis-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(99, 102, 241, 0.1);
    border-top: 4px solid var(--primary-light);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Analysis Tabs */
.analysis-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: center;
}

.tab-button {
    padding: 0.75rem 1.5rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: #a3b3cc;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 0.5rem;
    transition: all 0.25s ease;
    white-space: nowrap;
    min-width: max-content;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-button.active {
    background: rgba(99, 102, 241, 0.15);
    color: #ffffff;
    font-weight: 600;
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
    transform: translateY(-2px);
}

/* Active tab indicator */
.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.8), rgba(99, 102, 241, 0.2));
    border-radius: 3px;
}

.tab-button:hover:not(.active) {
    background: rgba(99, 102, 241, 0.05);
    color: #d1dce8;
    transform: translateY(-1px);
}

.tab-button:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}

/* Tab Content */
.tab-content {
    display: none;
    width: 100%;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .analysis-tabs {
        padding-bottom: 0.75rem;
        gap: 0.5rem;
        justify-content: space-between;
    }
    
    .tab-button {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        flex: 1;
        text-align: center;
        min-height: 45px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Ensure tab content is properly sized on mobile */
    .tab-content {
        width: 100%;
    }
    
    /* Improve chat container on mobile */
    .chat-container {
        height: 400px;
        max-height: 70vh;
    }
}

/* For very small screens */
@media (max-width: 380px) {
    .analysis-tabs {
        flex-direction: column;
        width: 100%;
    }
    
    .tab-button {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .tab-button.active::after {
        width: 30%;
        bottom: -0.25rem;
    }
}