* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    align-items: center;
    /* outline: 1px dashed red; */
}

html,
body {
    overflow: hidden;
    background-color: whitesmoke;
    color: var(--main-text-color);
    height: 100vh;
}

header,
footer {
    background-color: var(--main-background-color);
    box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.2);
    color: var(--main-primary-color);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--main-background-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--main-primary-color);
    border-radius: 10px;
    border: 2px solid var(--main-background-color);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--main-primary-color);
    border-color: var(--main-background-color);
    cursor: pointer;
}

ul {
    margin-left: 1rem;
}

ul>li {
    list-style: none;
}

hr {
    margin-top: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--main-border-color);
    color: var(--main-text-color);
}

h1,
h2,
h3,
h4,
h5,
h6,
label,
legend,
strong,
b,
button,
a,
input::placeholder,
textarea::placeholder {
    color: var(--main-primary-color);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 5px;
}

label {
    width: 100%;
    display: block;
}

button {
    font-family: var(--main-font-family);
    color: var(--main-primary-color);
    border: 1px solid transparent;
    background-color: var(--main-background-color);
    border-radius: 5px;
    padding: 5px 10px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    width: 85%;
}

button:hover {
    background-color: var(--main-secondary-color);
    border: 1px solid var(--main-primary-color);
}

input,
textarea,
select {
    font-family: var(--main-font-family);
    color: var(--main-text-color);
    background-color: var(--main-card-color);
    border: 1px solid var(--main-border-color);
    border-radius: 5px;
    padding: 5px 10px;
    width: 100%;
    resize: vertical;
    transition: border-color 0.2s ease, background-color 0.2s ease, outline 0.2s ease;
}

input:hover,
textarea:hover,
select:hover {
    border: 1px solid var(--main-primary-color);
    background-color: var(--main-secondary-color);
}

input:focus,
textarea:focus,
select:focus {
    outline: 1px solid var(--main-primary-color);
}

input:required,
textarea:required {
    border-left: 2px solid var(--main-primary-color);
}

input:not(:placeholder-shown),
textarea:not(:placeholder-shown) {
    border-left: 2px solid var(--main-secondary-color);
}

input:read-only,
textarea:read-only {
    border-left: 2px solid var(--main-border-color);
    cursor: not-allowed;
    user-select: none;
}

input.saved,
textarea.saved {
    border-left: 2px solid var(--main-success-color);
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--main-primary-color);
    background-color: transparent;
    color: var(--main-primary-color);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    position: relative;
}

input[type="checkbox"]:hover {
    background-color: var(--main-secondary-color);
    transform: scale(1.1);
    border-color: var(--main-primary-color);
}

input[type="checkbox"]:active {
    transform: scale(0.95);
}

input[type="checkbox"]:checked {
    background-color: var(--main-primary-color);
    border-color: var(--main-primary-color);
}

input[type="checkbox"]:checked::before {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--main-background-color);
    font-size: 10px;
    font-weight: bold;
}

input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--main-primary-color);
    outline-offset: 2px;
}

input[type="checkbox"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #ddd;
}

#images {
    position: relative;
    width: 100%;
    overflow: hidden;
}

#images img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

#images img.active {
    opacity: 1;
}

#images .img-src-name {
    position: absolute;
    z-index: 200;
    backdrop-filter: blur(100px);
    padding: 2px 30px;
    bottom: 0;
    right: 0;
    border-top-left-radius: 10px;
    font-size: 0.6rem;
    text-align: right;
    color: var(--main-background-color);
}