talk2me/static/css/styles.css

/* Main styles for Talk2Me application */

/* Loading animations */
.loading-dots {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #007bff;
    animation: dotPulse 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes dotPulse {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Wave animation for recording */
.recording-wave {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 40px;
}

.recording-wave span {
    position: absolute;
    bottom: 0;
    width: 4px;
    height: 100%;
    background: #fff;
    border-radius: 2px;
    animation: wave 1.2s linear infinite;
}

.recording-wave span:nth-child(1) {
    left: 0;
    animation-delay: 0s;
}

.recording-wave span:nth-child(2) {
    left: 8px;
    animation-delay: -1.1s;
}

.recording-wave span:nth-child(3) {
    left: 16px;
    animation-delay: -1s;
}

.recording-wave span:nth-child(4) {
    left: 24px;
    animation-delay: -0.9s;
}

.recording-wave span:nth-child(5) {
    left: 32px;
    animation-delay: -0.8s;
}

@keyframes wave {
    0%, 40%, 100% {
        transform: scaleY(0.4);
    }
    20% {
        transform: scaleY(1);
    }
}

/* Spinner animation */
.spinner-custom {
    width: 40px;
    height: 40px;
    position: relative;
    display: inline-block;
}

.spinner-custom::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid rgba(0, 123, 255, 0.2);
}

.spinner-custom::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #007bff;
    animation: spin 0.8s linear infinite;
}

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

/* Translation animation */
.translation-animation {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.translation-animation .arrow {
    width: 30px;
    height: 2px;
    background: #28a745;
    position: relative;
    animation: moveArrow 1.5s infinite;
}

.translation-animation .arrow::after {
    content: '';
    position: absolute;
    right: -8px;
    top: -4px;
    width: 0;
    height: 0;
    border-left: 8px solid #28a745;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

@keyframes moveArrow {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10px);
    }
}

/* Processing text animation */
.processing-text {
    display: inline-block;
    position: relative;
    font-style: italic;
    color: #6c757d;
}

.processing-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        #007bff 50%, 
        transparent 100%);
    animation: processLine 2s linear infinite;
}

@keyframes processLine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Fade in animation for results */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Pulse animation for buttons */
.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 123, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
    }
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.loading-content {
    text-align: center;
}

.loading-content .spinner-custom {
    margin-bottom: 20px;
}

/* Status indicator animations */
.status-indicator {
    transition: all 0.3s ease;
}

.status-indicator.processing {
    font-weight: 500;
    color: #007bff;
}

.status-indicator.success {
    color: #28a745;
}

.status-indicator.error {
    color: #dc3545;
}

/* Card loading state */
.card-loading {
    position: relative;
    overflow: hidden;
}

.card-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: shimmer 2s infinite;
}

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

/* Text skeleton loader */
.skeleton-loader {
    background: #eee;
    background: linear-gradient(90deg, #eee 25%, #f5f5f5 50%, #eee 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
    height: 20px;
    margin: 10px 0;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Audio playing animation */
.audio-playing {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 20px;
}

.audio-playing span {
    width: 3px;
    background: #28a745;
    animation: audioBar 0.5s ease-in-out infinite alternate;
}

.audio-playing span:nth-child(1) {
    height: 40%;
    animation-delay: 0s;
}

.audio-playing span:nth-child(2) {
    height: 60%;
    animation-delay: 0.1s;
}

.audio-playing span:nth-child(3) {
    height: 80%;
    animation-delay: 0.2s;
}

.audio-playing span:nth-child(4) {
    height: 60%;
    animation-delay: 0.3s;
}

.audio-playing span:nth-child(5) {
    height: 40%;
    animation-delay: 0.4s;
}

@keyframes audioBar {
    to {
        height: 100%;
    }
}

/* Smooth transitions */
.btn {
    transition: all 0.3s ease;
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Success notification */
.success-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #28a745;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.success-notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: all;
}

.success-notification i {
    font-size: 18px;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .loading-overlay {
        background: rgba(255, 255, 255, 0.95);
    }
    
    .spinner-custom,
    .recording-wave {
        transform: scale(0.8);
    }
    
    .success-notification {
        width: 90%;
        max-width: 300px;
        font-size: 14px;
    }
}