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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Gradient Utilities */
.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Hover Effects */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Sticky Header */
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

/* Chat Bubbles */
.chat-bubble {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    margin-bottom: 8px;
    word-wrap: break-word;
}

.chat-bubble.user {
    background: #667eea;
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.chat-bubble.bot {
    background: #f3f4f6;
    color: #1f2937;
    border-bottom-left-radius: 4px;
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

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

.fa-spinner.fa-spin {
    animation: spin 1s linear infinite;
}

/* Responsive Design Helpers */
@media (max-width: 768px) {
    .chat-bubble {
        max-width: 90%;
    }

    .sticky-header {
        backdrop-filter: none;
    }
}

/* Focus States */
input:focus,
textarea:focus,
select:focus,
button:focus {
    outline: none;
}

/* Button Transitions */
button {
    transition: all 0.3s ease;
}

/* Link Styles */
a {
    text-decoration: none;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}