@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Bengali:wght@400;500;700&display=swap');

:root {
    --primary-bg: #1a1a2e;
    --secondary-bg: #16213e;
    --card-bg: #0f3460;
    --text-primary: #e94560;
    --text-secondary: #dcdcdc;
    --cta-bg: #e94560;
    --cta-hover-bg: #c63a50;
    --border-color: #e94560;
    --progress-bar-bg: #e94560;
    --link-color: #53a8b6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans Bengali', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
}

header {
    padding: 2rem 1rem;
    background-color: var(--secondary-bg);
}

header h1 {
    color: var(--text-primary);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

main {
    padding: 2rem 1rem;
}

.tool-section {
    margin-bottom: 3rem;
}

.tool-section h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tool-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    max-width: 600px;
    margin: 1rem auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.upload-form, #remote-download-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

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

.file-input-label {
    background-color: var(--secondary-bg);
    color: var(--text-secondary);
    padding: 1rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s ease;
    border: 2px dashed var(--border-color);
}

.file-input-label:hover {
    background-color: #1f2a4d;
}

.cta-button {
    background-color: var(--cta-bg);
    color: #fff;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--cta-hover-bg);
}

input[type="url"] {
    width: 100%;
    padding: 1rem;
    border-radius: 5px;
    border: 2px solid var(--border-color);
    background-color: var(--secondary-bg);
    color: var(--text-secondary);
    font-size: 1rem;
}

.progress-bar-container {
    width: 100%;
    height: 20px;
    background-color: var(--secondary-bg);
    border-radius: 10px;
    margin-top: 1rem;
    overflow: hidden;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background-color: var(--progress-bar-bg);
    transition: width 0.3s ease;
}

.status-message {
    margin-top: 1rem;
    font-weight: 500;
}

.result-container {
    margin-top: 1.5rem;
    width: 100%;
}

.link-box {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.generated-link {
    flex-grow: 1;
    padding: 0.8rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    background-color: var(--secondary-bg);
    color: var(--link-color);
    font-size: 1rem;
}

.copy-button {
    background-color: var(--cta-bg);
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.copy-button:hover {
    background-color: var(--cta-hover-bg);
}

.download-link {
    display: inline-block;
    background-color: var(--cta-bg);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 1rem;
    transition: background-color 0.3s ease;
}

.download-link:hover {
    background-color: var(--cta-hover-bg);
}

footer {
    padding: 1.5rem 1rem;
    margin-top: 2rem;
    background-color: var(--secondary-bg);
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }
    .tool-section h2 {
        font-size: 1.8rem;
    }
    .tool-card {
        padding: 1.5rem;
    }
}