* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 24px 16px;
    font-family: Arial, sans-serif;
    background: #f3f5f9;
    color: #202938;
}

.container {
    max-width: 760px;
    margin: 0 auto;
}

h1 {
    color: #173b68;
    margin-bottom: 8px;
}

h2 {
    margin-top: 0;
    color: #173b68;
}

.panel {
    background: #ffffff;
    padding: 24px;
    margin: 22px 0;
    border-radius: 12px;
    box-shadow: 0 3px 14px rgba(0, 0, 0, 0.07);
}

label {
    display: block;
    margin: 16px 0 6px;
    font-weight: 600;
}

input,
textarea {
    display: block;
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd3df;
    border-radius: 6px;
    font: inherit;
    background: white;
}

textarea {
    min-height: 90px;
    resize: vertical;
}

button {
    width: 100%;
    margin-top: 16px;
    padding: 12px 16px;
    border: 0;
    border-radius: 6px;
    background: #173b68;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #24558f;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.video-card {
    padding: 16px;
    margin: 14px 0;
    border: 1px solid #dce2ea;
    border-radius: 8px;
    overflow-wrap: anywhere;
}

.video-card h3 {
    margin-top: 0;
}

.video-card a {
    color: #1459a6;
}

.video-card .delete-button {
    background: #a52222;
}

.video-card .delete-button:hover {
    background: #7d1919;
}

#message {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-weight: 600;
}

a {
    overflow-wrap: anywhere;
}

[hidden] {
    display: none !important;
}

@media (max-width: 480px) {
    body {
        padding: 16px 12px;
    }

    .panel {
        padding: 16px;
    }
}