/* Общие стили */
body {
    background-color: #1e1e2f;
    color: #f1f1f1;
    font-family: "Segoe UI", sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.title {
    text-align: center;
    background-color: #2c2f48;
    padding: 1rem;
    border-radius: 12px;
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

/* Основная сетка */
.main-layout {
    display: flex;
    gap: 2rem;
    align-items: stretch;
}

/* Левая и правая панели */
.left-panel,
.right-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

.left-panel {
    gap: 1.5rem;
    padding-bottom: 1rem;
}

.upload-block {
    background-color: #2c2f48;
    border: 2px solid #445;
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
}

/* Зоны перетаскивания */
.dropzone {
    padding: 5rem;
    background-color: #374165;
    border-radius: 12px;
    border: 2px dashed #88a;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

.dropzone.dragover {
    background-color: #466;
    border-color: #6f6;
    color: #fff;
}

/* Правая панель */
.right-panel {
    background-color: #2c2f48;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.95rem;
}

/* Поля ввода, разрешение и кнопка */
input[type="text"],
input[type="number"],
#input-resolution,
#convert-btn {
    background-color: #1e1e2f;
    border: 1px solid #888;
    border-radius: 8px;
    padding: 0.5rem;
    color: #fff;
    width: 100%;
    box-sizing: border-box;
}

input[readonly],
#input-resolution {
    background-color: #333c55;
    font-weight: bold;
}

/* Группы кнопок */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.button-group button,
#mode-buttons button {
    background-color: #2c70d4;
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 0.95rem;
}

.button-group button.active,
#mode-buttons button.active {
    background-color: orange;
    color: black;
}

/* Режимы кодирования */
#mode-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.3rem;
}

/* Блок качества и битрейта */
#cq-block,
#bitrate-block {
    margin-top: 0.8rem;
    transition: all 0.3s ease;
}

#cq-block input,
#bitrate-block input {
    width: 120px;
    background-color: #1e1e2f;
    border: 1px solid #777;
    border-radius: 8px;
    padding: 0.4rem;
    color: #fff;
    font-size: 0.95rem;
}

#bitrate-block input#estimated_size {
    background-color: #2b2b3b;
    border: none;
    color: #aaa;
    width: 100px;
    text-align: center;
    margin-left: 1rem;
}

/* Кнопки загрузки */
#upload-video-btn,
#upload-audio-btn {
    margin-top: 0.7rem;
    padding: 0.5rem 1rem;
    background-color: #4094f0;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

#upload-video-btn:hover,
#upload-audio-btn:hover {
    background-color: #2f7bd1;
}

#upload-video-btn:disabled,
#upload-audio-btn:disabled {
    background-color: #444;
    cursor: default;
}

/* Кнопка конвертации */
#convert-btn {
    background-color: #00cc88;
    padding: 0.7rem 2rem;
    font-size: 1rem;
    transition: background-color 0.2s;
}

#convert-btn:hover {
    background-color: #00aa70;
}

#convert-btn:disabled {
    background-color: #444;
    cursor: not-allowed;
}

/* Прогресс-бары */
progress {
    width: 100%;
    height: 20px;
    border-radius: 10px;
    appearance: none;
    margin-top: 0.5rem;
}

progress::-webkit-progress-bar {
    background-color: #2c2f48;
    border-radius: 10px;
}

progress::-webkit-progress-value {
    background-color: #00b7ff;
    border-radius: 10px;
}

progress::-moz-progress-bar {
    background-color: #00b7ff;
    border-radius: 10px;
}
.download-link {
    display: inline-block;
    margin-top: 1.2rem;
    padding: 0.9rem 2.5rem;
    background: #00cc88;
    color: #fff;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 14px;
    box-shadow: 0 3px 18px -7px #00cc8888;
    letter-spacing: 0.02em;
    text-decoration: none;
    text-align: center;
    transition: background 0.18s, box-shadow 0.18s, transform 0.12s;
    border: none;
    outline: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.download-link:hover,
.download-link:focus {
    background: #00aa70;
    color: #fff;
    transform: translateY(-2px) scale(1.025);
    box-shadow: 0 7px 22px -3px #00cc8855;
    text-decoration: none;
}

.download-link::before {
    font-size: 1.3em;
    margin-right: 0.7em;
    vertical-align: -0.15em;
}