@import url('https://fonts.googleapis.com/css2?family=Beau+Rivage&family=Bebas+Neue&family=Cal+Sans&family=Figtree:ital,wght@0,300..900;1,300..900&family=Montserrat:ital,wght@0,100..900;1,100..900&family=Noto+Sans:ital,wght@0,100..900;1,100..900&family=Nunito+Sans:ital,opsz,wght@0,6..12,200..1000;1,6..12,200..1000&family=Outfit:wght@100..900&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Roboto:ital,wght@0,100..900;1,100..900&family=Special+Gothic+Expanded+One&display=swap');

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

.logo {
    width: 25%;
    display: block;
    margin: 0 auto;
    margin-bottom: 20px;
}
body {
    background: linear-gradient(135deg, #212529 0%, #343a40 50%, #495057 100%);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(13, 110, 253, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(13, 110, 253, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 40px;
    max-width: 700px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.6s ease-out;
}

footer {
    margin: 0 auto;
    display: block;
    text-align: center;
    padding-top: 50px;
    color: rgb(196, 196, 196);
    a {
        color: rgb(196, 196, 196);
        &:hover {
            color: #0D6EFD;
        }
    }
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Heading */
h1 {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 30px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Buttons */
button {
    background: rgba(13, 110, 253, 0.9);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

button:hover {
    background: rgba(13, 110, 253, 1);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
}

button:active {
    transform: translateY(0);
}

#addImageBtn {
    display: block;
    margin: 0 auto 30px;
    padding: 16px 32px;
    font-size: 1.1rem;
}

#convertBtn {
    width: 100%;
    margin-top: 30px;
    padding: 18px;
    font-size: 1.2rem;
    background: rgba(13, 110, 253, 0.9);
}

.options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}

.options>div {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 4px 15px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.options>div:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.options p {
    font-weight: 600;
    font-size: 1rem;
    color: #ffffff;
    margin-bottom: 15px;
    text-align: center;
}

.options label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.options label:hover {
    background: rgba(13, 110, 253, 0.2);
    color: #ffffff;
}

.options input[type="radio"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    margin-right: 10px;
    position: relative;
    transition: all 0.3s ease;
}

.options input[type="radio"]:checked {
    border-color: #0D6EFD;
    background: #0D6EFD;
}

.options input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
}

#preview {
    min-height: 180px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    margin: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

#preview:empty::before {
    content: 'Preview gambar akan muncul di sini';
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    font-style: italic;
}

.img-wrapper {
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.img-wrapper:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.img-wrapper img {
    display: block;
    max-width: 200px;
    max-height: 200px;
    border-radius: 8px;
    object-fit: cover;
    transition: all 0.3s ease;
}

.delete-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    background: rgba(220, 53, 69, 0.9);
    color: white;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: scale(0.8);
}

.img-wrapper:hover .delete-btn {
    opacity: 1;
    transform: scale(1);
}

.delete-btn:hover {
    background: rgba(220, 53, 69, 1);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.4);
}

.delete-btn:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .container {
        padding: 30px 25px;
        border-radius: 16px;
    }

    h1 {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }

    .options {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .options>div {
        padding: 18px;
    }

    button {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    #addImageBtn {
        padding: 14px 28px;
        font-size: 1rem;
    }

    #convertBtn {
        padding: 16px;
        font-size: 1.1rem;
    }

    #preview {
        min-height: 150px;
        padding: 15px;
        gap: 12px;
    }

    .img-wrapper img {
        max-width: 140px;
        max-height: 140px;
    }

    .delete-btn {
        width: 24px;
        height: 24px;
        font-size: 0.6rem;
        top: -6px;
        right: -6px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 25px 20px;
    }

    h1 {
        font-size: 1.6rem;
    }

    .options>div {
        padding: 15px;
    }

    .options p {
        font-size: 0.95rem;
    }

    .options label {
        font-size: 0.9rem;
        padding: 6px 10px;
    }

    #preview {
        gap: 10px;
        padding: 12px;
    }

    .img-wrapper {
        padding: 6px;
    }

    .img-wrapper img {
        max-width: 120px;
        max-height: 120px;
    }

    .delete-btn {
        width: 22px;
        height: 22px;
        font-size: 0.55rem;
        top: -5px;
        right: -5px;
    }
}

button:focus,
input:focus {
    outline: 2px solid #0D6EFD;
    outline-offset: 2px;
}

.loading {
    position: relative;
    color: transparent !important;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

html {
    scroll-behavior: smooth;
}

#preview:not(:empty) {
    align-items: flex-start;
    justify-content: flex-start;
}