@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --primary-bg: #020617;
    /* Slate-950 */
    --accent-color: #10b981;
    /* Emerald-500 */
    --accent-hover: #059669;
    /* Emerald-600 */
    --secondary-accent: #6366f1;
    /* Indigo-500 */
    --text-color: #e2e8f0;
    /* Slate-200 */
    --heading-color: #ffffff;
    /* White */
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(51, 65, 85, 0.5);
    --nav-bg: rgba(2, 6, 23, 0.7);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

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

body {
    background-color: var(--primary-bg);
    background-image: radial-gradient(circle at top left, var(--secondary-accent), transparent 40%);
    background-attachment: fixed;
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

/* Floating Glass Navigation */
nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 15px 40px;
    border-radius: 50px;
    z-index: 1000;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
}

nav h1 {
    font-size: 1.2rem;
    color: var(--heading-color);
    font-weight: 600;
    margin: 0;
}

/* Main Content Container */
.container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow);
    margin-top: 80px;
    /* Space for nav */
    animation: fadeIn 0.8s ease-out;
}

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

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

header h2 {
    color: var(--heading-color);
    font-size: 2rem;
    margin-bottom: 10px;
}

header p {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 30px;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 20px;
    padding: 40px 20px;
    transition: all 0.3s ease;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.upload-area:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

input[type='file'] {
    display: none;
}

img {
    margin-top: 20px;
    max-width: 100%;
    border-radius: 20px;
    display: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Buttons */
button {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    border: none;
    border-radius: 50px;
    color: #fff;
    padding: 15px 30px;
    font-weight: 600;
    font-size: 1rem;
    margin-top: 25px;
    width: 100%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

button:disabled {
    background: #334155;
    color: #94a3b8;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Results */
#label-container {
    margin-top: 30px;
    text-align: left;
}

#label-container div {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 12px 20px;
    font-size: 1rem;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.2s;
}

#label-container div:hover {
    background: rgba(255, 255, 255, 0.08);
}

footer {
    margin-top: 50px;
    font-size: 0.85rem;
    color: #64748b;
    text-align: center;
}