/* Custom CSS für Favicon Generator */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --danger-gradient: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

/* Hero Section */
.hero-section {
    background: var(--primary-gradient);
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.bg-gradient {
    background: var(--primary-gradient) !important;
}

/* Upload Area */
.upload-area {
    border-color: #dee2e6 !important;
    transition: all 0.3s ease;
    cursor: pointer;
    background: #f8f9fa;
}

.upload-area:hover {
    border-color: #0d6efd !important;
    background: #e7f3ff;
    transform: translateY(-2px);
}

.upload-area.dragover {
    border-color: #0d6efd !important;
    background: #e7f3ff;
    transform: scale(1.02);
}

/* Cards */
.card {
    transition: all 0.3s ease;
    border-radius: 15px !important;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
}

/* Buttons */
.btn {
    border-radius: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
}

.btn-success {
    background: var(--success-gradient);
    border: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.6s ease-out;
}

/* Progress Spinner */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* File Display */
.selected-file {
    animation: fadeInUp 0.3s ease-out;
}

/* Badges */
.badge {
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 50vh;
        text-align: center;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .card-body {
        padding: 1.5rem !important;
    }
    
    .upload-area {
        padding: 2rem !important;
    }
}

/* Utility Classes */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

/* Loading States */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

/* Success Animation */
@keyframes checkmark {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.success-icon {
    animation: checkmark 0.6s ease-out;
}

/* Error States */
.error-shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Navbar */
.navbar-brand {
    font-size: 1.5rem;
}

/* Footer */
footer {
    margin-top: auto;
}

/* 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;
}