/* Entrance Animations */
.app-container {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Message Animations */
.message {
    animation: messageSlide 0.3s ease-out;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Progress Animations */
.progress-fill {
    animation: progressGrow 0.8s ease-out;
}

@keyframes progressGrow {
    from {
        width: 0% !important;
    }
}

.step.active .step-number {
    animation: bounceIn 0.5s ease-out;
}

@keyframes bounceIn {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Button Hover Effects */
.btn-primary, .btn-secondary, .send-button {
    position: relative;
    overflow: hidden;
}

.btn-primary::before, .btn-secondary::before, .send-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn-primary:hover::before, .btn-secondary:hover::before, .send-button:hover::before {
    width: 300px;
    height: 300px;
}

/* File Tree Animations */
.tree-folder, .tree-file {
    transform-origin: left center;
}

.tree-folder:hover, .tree-file:hover {
    transform: translateX(4px);
}

/* Loading Animation */
.loading-spinner {
    animation: spin 1s linear infinite, glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 0 5px var(--primary-color);
    }
    to {
        box-shadow: 0 0 20px var(--primary-color);
    }
}

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-color);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--primary-color) }
}

/* Floating Animation */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Gradient Animation */
.animated-gradient {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}