frontend/style.css

:root {
    --primary: #6366f1;
    --secondary: #a855f7;
    --accent: #ec4899;
    --bg-dark: #0f172a;
    --text-light: #f8fafc;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    --toast-success: #22c55e;
    --toast-error: #ef4444;
    --toast-info: #3b82f6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* Dynamic Background Blobs */
.background-blobs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(80px);
}

.blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 10s infinite ease-in-out;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -50px;
    left: -50px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: 50px;
    right: -50px;
    animation-delay: 2s;
}

.blob-3 {
    width: 200px;
    height: 200px;
    background: var(--accent);
    top: 40%;
    left: 40%;
    animation-delay: 4s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(20px, -20px);
    }
}

/* Glass Container */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    width: 90%;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.highlight {
    background: linear-gradient(45deg, var(--primary), var(--accent));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: #cbd5e1;
    margin-bottom: 2rem;
}

/* Mic Button */
.mic-button {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    transition: transform 0.2s, box-shadow 0.2s;
    outline: none;
}

.mic-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.7);
}

.mic-button:active,
.mic-button.recording {
    transform: scale(0.95);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.8);
    background: var(--accent);
}

.mic-button.recording {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(236, 72, 153, 0.7);
    }

    70% {
        box-shadow: 0 0 0 20px rgba(236, 72, 153, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(236, 72, 153, 0);
    }
}

/* Visualizer */
.visualizer {
    display: flex;
    justify-content: center;
    gap: 4px;
    height: 30px;
    align-items: center;
    margin-top: 10px;
}

.visualizer.hidden {
    visibility: hidden;
}

.bar {
    width: 4px;
    height: 10px;
    background: white;
    border-radius: 2px;
    animation: equalise 0.5s infinite;
    animation-play-state: paused;
}

.recording~.visualizer .bar {
    animation-play-state: running;
}

@keyframes equalise {

    0%,
    100% {
        height: 10px;
    }

    50% {
        height: 25px;
    }
}

.bar:nth-child(1) {
    animation-delay: 0.1s;
}

.bar:nth-child(2) {
    animation-delay: 0.2s;
}

.bar:nth-child(3) {
    animation-delay: 0.3s;
}

.bar:nth-child(4) {
    animation-delay: 0.2s;
}

.bar:nth-child(5) {
    animation-delay: 0.1s;
}

/* Upload Area */
.divider {
    margin: 2rem 0;
    position: relative;
    color: #64748b;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: #475569;
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.upload-area {
    border: 2px dashed #475569;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--secondary);
    background: rgba(168, 85, 247, 0.1);
}

.upload-area i {
    font-size: 2rem;
    color: #94a3b8;
    margin-bottom: 0.5rem;
}

.btn-secondary {
    margin-top: 1rem;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    transition: 0.2s;
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.2);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.3s;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: #1e293b;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    width: 90%;
    max-width: 400px;
    position: relative;
    border: 1px solid var(--glass-border);
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.emoji-display {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: pop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pop {
    0% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
    }
}

.feedback-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.btn-feedback {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

.correct {
    background: #22c55e;
    color: white;
}

.incorrect {
    background: #ef4444;
    color: white;
}

#correctionArea {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

#emotionSelect {
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid #475569;
    background: #0f172a;
    color: white;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    animation: slideIn 0.3s ease-out forwards;
    min-width: 300px;
    overflow: hidden;
    position: relative;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--toast-info);
}

.toast.success::before {
    background: var(--toast-success);
}

.toast.error::before {
    background: var(--toast-error);
}

.toast.info::before {
    background: var(--toast-info);
}

.toast.hide {
    animation: slideOut 0.3s ease-in forwards;
}

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

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.btn-primary,
.btn-secondary,
.btn-feedback {
    transition: all 0.2s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.btn-primary:active,
.btn-secondary:active {
    transform: scale(0.98);
}

.modal-content {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-highlight);
}

/* Training Terminal Styles */
.terminal-card {
    background: #0c0c0c;
    border: 1px solid #333;
    width: 90%;
    max-width: 700px;
    height: 400px;
    padding: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0, 255, 0, 0.1);
}

.terminal-header {
    background: #1a1a1a;
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #333;
}

.terminal-title {
    color: #0f0;
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-body {
    flex: 1;
    padding: 15px;
    background: #000;
    overflow-y: auto;
    text-align: left;
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    color: #e0e0e0;
}

.log-line {
    display: block;
    margin-bottom: 4px;
    word-wrap: break-word;
}

.log-line::before {
    content: '> ';
    color: #0f0;
}

.terminal-body::-webkit-scrollbar {
    width: 8px;
}

.terminal-body::-webkit-scrollbar-track {
    background: #111;
}

.terminal-body::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

.terminal-body::-webkit-scrollbar-thumb:hover {
    background: #444;
}

.terminal-header .close-btn {
    position: static;
    font-size: 1.2rem;
    color: #666;
}

.terminal-header .close-btn:hover {
    color: #fff;
}

.nlp-container {
    margin-top: 1rem;
    text-align: left;
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: 12px;
}

.transcription {
    font-style: italic;
    color: #e2e8f0;
    margin-bottom: 0.5rem;
    border-left: 3px solid var(--secondary);
    padding-left: 10px;
}

.nlp-emotion {
    font-weight: 500;
}

.confidence-small {
    font-size: 0.8rem;
    color: #94a3b8;
}

.password-input {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.password-input:focus {
    border-color: var(--secondary);
    background: rgba(255, 255, 255, 0.1);
}

/* --- NEW WATERMARK CODE (3D Glassy) --- */
.watermark {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    box-shadow:
        10px 10px 20px rgba(0, 0, 0, 0.3),
        -5px -5px 15px rgba(255, 255, 255, 0.02);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-weight: 500;
    pointer-events: auto;
    /* Allow hover */
    z-index: 1000;
    font-family: 'Outfit', sans-serif;
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg);
    transition: all 0.4s ease;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.5px;
}

.watermark:hover {
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg) scale(1.05);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    box-shadow:
        0 0 30px rgba(255, 255, 255, 0.1),
        0 10px 20px rgba(0, 0, 0, 0.4);
    cursor: default;
}