:root {
    --dialog-text-primary: #333;
    --dialog-text-secondary: #555;
    --dialog-text-title-secondary: #aaaaaa;

    --dialog-control-border: #aaaaaa;
    --dialog-control-border-hover: #7eb980;
    --dialog-control-border-focus: #4caf50;
    --dialog-field-error: #ff8983;

    --dialog-option-border: #EBEBEB;
    --dialog-option-label-bg: #EBEBEB;
    --dialog-option-select-bg: #fff;

    --dialog-muted-color: var(--dialog-text-secondary);
}

.dark {
    --dialog-text-primary: #fff;
    --dialog-text-secondary: #cfd8e3;

    --dialog-option-border: #3e3e3e;
    --dialog-option-label-bg: #1f1f1f;
    --dialog-option-select-bg: #3e3e3e;

    --dialog-scrollbar-track-bg: #3e3e3e;
    --dialog-scrollbar-thumb-bg: #606060;
    --dialog-scrollbar-thumb-hover-bg: #707070;
}

.upload-file-dialog .modal-dialog__logo {
    background: var(--dialog-logo-bg-green);
}

.upload-file-dialog__form {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.upload-file-dialog__input {
    display: none;
}

.upload-file-dialog__logo-icon {
    font-size: 5em;
}

.upload-file-dialog__dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 220px;
    padding: 24px;
    border: 2px dashed var(--dialog-border-color);
    border-radius: 12px;
    text-align: center;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.upload-file-dialog__form--file-selected .upload-file-dialog__dropzone {
    display: none;
}

.upload-file-dialog__dropzone--dragover {
    border-color: var(--dialog-accent-color);
    background-color: var(--dialog-accent-background);
}

.upload-file-dialog__icon {
    width: 48px;
    height: 48px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.7;
}

.upload-file-dialog__heading,
.upload-file-dialog__description,
.upload-file-dialog__hint {
    margin: 0;
}

.upload-file-dialog__heading {
    font-size: 1rem;
    font-weight: 600;
}

.upload-file-dialog__description,
.upload-file-dialog__hint {
    color: var(--dialog-text-secondary-color);
    font-size: 0.875rem;
}

.upload-file-dialog__button--choose {
    background: var(--dialog-button-bg-blue);
    color: var(--dialog-button-color-white);
}

.upload-file-dialog__button--done {
    background: var(--dialog-button-bg-blue);
    color: var(--dialog-button-color-white);
}

.upload-file-dialog__button--done:disabled {
    opacity: 0.5;
    cursor: default;
}

.upload-file-dialog__file {
    display: none;
    gap: 12px;
    margin-top: 16px;
    padding: 12px;
    align-items: center;
    overflow: hidden;
    border: 1px solid var(--dialog-border-color);
    border-radius: 8px;
}

.upload-file-dialog__form--file-selected .upload-file-dialog__file {
    display: flex;
}

.upload-file-dialog__file-info {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.upload-file-dialog__file-name {
    overflow-wrap: anywhere;
    font-weight: 500;
}

.upload-file-dialog__file-size {
    color: var(--dialog-text-secondary-color);
    font-size: 0.875rem;
}

.upload-file-dialog__progress {
    display: none;
    flex-direction: column;
    gap: 8px;
    margin: 16px 0;
}

.upload-file-dialog__progress--visible {
    display: flex;
}

.upload-file-dialog__progress-track {
    overflow: hidden;
    height: 6px;
    border-radius: 999px;
    background: var(--dialog-border-color);
}

.upload-file-dialog__progress-bar {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--dialog-accent-color);
    transition: width 0.15s ease;
}

.upload-file-dialog__progress-text {
    color: var(--dialog-text-secondary-color);
    font-size: 0.875rem;
}

.upload-file-dialog__status {
    display: none;
    margin: 12px 0 0;
    font-size: 0.875rem;
    overflow-wrap: anywhere;
}

.upload-file-dialog__status--visible {
    display: block;
}

.upload-file-dialog__status--error {
    color: var(--dialog-error-color);
}

.upload-file-dialog__status--success {
    color: var(--dialog-success-color);
}

.upload-file-dialog__footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.upload-file-dialog__form [disabled]:not(.modal-dialog__button) {
    cursor: not-allowed;
    opacity: 0.6;
}

@media (prefers-reduced-motion: reduce) {
    .upload-file-dialog__dropzone,
    .upload-file-dialog__progress-bar {
        transition: none;
    }
}

.upload-file-dialog__metadata {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 20px;
    margin-top: 20px;
}

.upload-file-dialog__form--uploading .upload-file-dialog__metadata,
.upload-file-dialog__form--uploaded .upload-file-dialog__metadata,
.upload-file-dialog__form--upload-failed .upload-file-dialog__metadata {
    display: flex;
}

.upload-file-dialog__field {
    width: 100%;
}

.upload-file-dialog__field--error {
    --editor-field-error-color: var(--dialog-field-error);
    --char-counter-opacity: 1;
}

.upload-file-dialog__field--input:hover {
    --input-border-color: var(--editor-field-error-color, var(--dialog-control-border-hover));
}

.upload-file-dialog__field--input:focus-within {
    --input-border-width: 2px;
    --input-border-color: var(--editor-field-error-color, var(--dialog-control-border-focus));
    --char-counter-opacity: 1;
}

.upload-file-dialog__field--input {
    position: relative;
    min-height: 60px;
    padding: 6px var(--input-horizontal-padding-x, 10px) 36px;
    background-color: transparent;
    border-radius: 8px;
    border: 0;
    box-shadow: 0 0 0 var(--input-border-width, 1px) inset var(--input-border-color, var(--editor-field-error-color, var(--dialog-control-border)));
    box-sizing: border-box;
    transition: box-shadow 0.5s ease;
}

.upload-file-dialog__label {
    display: block;
    margin-bottom: 8px;
    color: var(--editor-field-error-color, var(--dialog-text-title-secondary));
    font-size: 13px;
    font-weight: 400;
    user-select: none;
}

.upload-file-dialog__textarea {
    display: block;
    width: 100%;

    min-height: 20px;
    max-height: var(--textarea-max-height, none);

    padding: 0;

    background: transparent;
    color: var(--dialog-text-primary);

    border: none;

    outline: none;

    font-size: 16px;
    font-family: inherit;
    line-height: 1.4;

    overflow-y: auto;

    scrollbar-width: thin;
    scrollbar-color: var(--dialog-scrollbar-thumb-bg, initial) var(--dialog-scrollbar-track-bg, initial);

    resize: none;
}

.upload-file-dialog__textarea::-webkit-scrollbar {
    width: 8px;
}

.upload-file-dialog__textarea::-webkit-scrollbar-thumb {
    background-color: var(--dialog-scrollbar-thumb-bg, initial);
    border-radius: 4px;
}

.upload-file-dialog__textarea::-webkit-scrollbar-thumb:hover {
    background-color: var(--dialog-scrollbar-thumb-hover-bg, initial);
}

.upload-file-dialog__textarea::-webkit-scrollbar-track {
    background-color: var(--dialog-scrollbar-track-bg, initial);
}

.upload-file-dialog__textarea::placeholder {
    color: #888888;
}

.upload-file-dialog__char-counter {
    position: absolute;
    right: var(--input-horizontal-padding-x, 10px);
    bottom: 12px;
    color: var(--editor-field-error-color, var(--dialog-text-title-secondary));
    font-size: 13px;
    pointer-events: none;
    opacity: var(--char-counter-opacity, 0);
    transition: opacity 0.2s ease;
}

.upload-file-dialog__field--visibility {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.upload-file-dialog__field-title {
    margin-bottom: 8px;
}

/* Max heights are expressed in lines (line-height is 1.4) */
.upload-file-dialog__field--title {
    --textarea-max-height: calc(1.4em * 3);  /* 3 lines */
}

.upload-file-dialog__field--description {
    --textarea-max-height: calc(1.4em * 8);  /* 8 lines */
}

.upload-file-dialog__option {
    display: inline-flex;
    width: auto;
    min-width: 0;
    padding: 0;
    align-items: center;
    background: var(--dialog-option-label-bg);
    border: 1px solid var(--dialog-option-border);
    border-radius: 8px;
}

.upload-file-dialog__option-label {
    padding: 0 20px;
    color: var(--dialog-text-secondary);
}

.upload-file-dialog__select {
    flex: 0 1 auto;
    width: 170px;
    padding: 5px 40px 5px 16px;
    font-size: 16px;
    font-family: inherit;
    outline: none;
    cursor: pointer;
    background-color: var(--dialog-option-select-bg);
    color: var(--dialog-text-primary);
    border: 1px solid transparent;
    border-radius: 0 8px 8px 0;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='10' viewBox='0 0 14 10'><path fill='%237eb980' d='M0 0l7 10 7-10z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
    transition: border-color 0.5s ease, background-color 0.5s ease, color 0.5s ease;
}

.upload-file-dialog__select:disabled {
    color: var(--text-gray-disabled);
    cursor: default;
    pointer-events: none;
    opacity: 0.6;
}

.upload-file-dialog__select:hover:not(:focus):not(:disabled) {
    border-color: var(--dialog-control-border-hover);
}

.upload-file-dialog__select:focus {
    border-color: var(--dialog-control-border-focus);
}