/* === Body & Theme === */
body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background: #121212;
    color: #fff;
    transition: background 0.3s, color 0.3s;
}

body.light {
    background: #f0f0f0;
    color: #111;
}

/* === Top Bar === */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: #1f1f1f;
    transition: background 0.3s, color 0.3s;
}

body.light .top-bar {
    background: #ddd;
    color: #111;
}

.top-bar h1 {
    margin: 0;
    font-size: 1.5em;
}

.top-bar button {
    cursor: pointer;
    font-size: 1.2em;
    border: none;
    background: none;
}

/* === Dropzone === */
.dropzone {
    position: relative;
    border: 2px dashed #555;
    border-radius: 15px;
    margin: 30px auto;
    width: 90%;
    max-width: 600px;
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(145deg, #1b1b1b, #141414);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
    cursor: pointer;
    color: #bbb;
    font-size: 1.1em;
}

body.light .dropzone {
    background: linear-gradient(145deg, #f5f5f5, #e0e0e0);
    color: #333;
    border-color: #ccc;
}

.dropzone:hover {
    border-color: #00bfff;
    background: linear-gradient(145deg, #222, #1a1a1a);
    color: #fff;
}

body.light .dropzone:hover {
    border-color: #00bfff;
    background: linear-gradient(145deg, #e0e0e0, #d0d0d0);
}

.dropzone.dragover {
    border-color: #00bfff;
    background: linear-gradient(145deg, #005fbb, #003f88);
    color: #fff;
}

body.light .dropzone.dragover {
    border-color: #00bfff;
    background: linear-gradient(145deg, #cce6ff, #99ccff);
    color: #111;
}

.dropzone::before {
    content: "📤";
    display: block;
    font-size: 3em;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.dropzone:hover::before,
.dropzone.dragover::before {
    transform: scale(1.2);
}

#fileInput {
    display: none;
}

/* === Progress Bar === */
#progressContainer {
    width: 90%;
    max-width: 600px;
    margin: 10px auto;
    height: 10px;
    background: #333;
    border-radius: 5px;
    display: none;
}

body.light #progressContainer {
    background: #ccc;
}

#progressBar {
    height: 100%;
    width: 0%;
    background: #00bfff;
    border-radius: 5px;
}

/* === Link & Preview === */
#link {
    margin: 10px auto;
    width: 90%;
    max-width: 600px;
    display: flex;
    gap: 10px;
    align-items: center;
}

#link a {
    word-break: break-all;
    color: #00bfff;
}

#link button {
    padding: 5px 10px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    background: #00bfff;
    color: #fff;
    transition: background 0.3s;
}

body.light #link button {
    background: #333;
    color: #fff;
}

#preview img,
#preview video {
    max-width: 90%;
    margin: 10px auto;
    display: block;
    border-radius: 5px;
}

/* === Toast === */
#toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #333;
    color: #fff;
    padding: 10px 15px;
    border-radius: 5px;
    display: none;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 1000;
}

body.light #toast {
    background: #ccc;
    color: #111;
}

/* === Modal === */
#uploadModal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    animation: fadeIn 0.3s ease;
}

body.light #uploadModal {
    background: rgba(255, 255, 255, 0.6);
}

#uploadModalContent {
    background: #1f1f1f;
    margin: 10% auto;
    padding: 20px;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
    color: #fff;
    animation: slideDown 0.3s ease;
}

body.light #uploadModalContent {
    background: #f9f9f9;
    color: #111;
}

#uploadModalContent .closeModal {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5em;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

/* Modal preview */
#modalPreview img,
#modalPreview video {
    max-width: 100%;
    max-height: 300px;
    margin-top: 10px;
    border-radius: 5px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}