.adfgvx-tool {
    --adfgvx-panel: #ffffff;
    --adfgvx-panel-soft: #fcfcfd;
    --adfgvx-text: #101418;
    --adfgvx-muted: #5a6872;
    --adfgvx-border: #d8dee4;
    --adfgvx-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    --adfgvx-accent: #0b84ff;
    --adfgvx-label-bg: #dbe7f5;
    --adfgvx-label-border: #b8c6da;
    --adfgvx-success: #2c7a39;
    --adfgvx-success-soft: #eef8ef;
    --adfgvx-warning: #8a631f;
    --adfgvx-warning-soft: #fff5e3;
    --adfgvx-danger: #b54b4b;
    color: var(--adfgvx-text);
    font-family: "Inter", var(--font-sans);
    padding-top: 0;
}

html[data-theme="dark"] .adfgvx-tool {
    --adfgvx-panel: #181b1f;
    --adfgvx-panel-soft: #20242a;
    --adfgvx-text: #f1f3f5;
    --adfgvx-muted: #9aa2ab;
    --adfgvx-border: #2a3037;
    --adfgvx-accent: #6ea8ff;
    --adfgvx-label-bg: rgba(110, 168, 255, 0.14);
    --adfgvx-label-border: rgba(110, 168, 255, 0.24);
    --adfgvx-success: #9adca5;
    --adfgvx-success-soft: rgba(64, 124, 74, 0.22);
    --adfgvx-warning: #f3d18b;
    --adfgvx-warning-soft: rgba(138, 99, 31, 0.18);
    --adfgvx-danger: #ff9f9f;
}

.adfgvx-tool * {
    box-sizing: border-box;
}

.adfgvx-tool .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.adfgvx-panel,
.adfgvx-field-stack {
    display: grid;
    gap: 12px;
}

.adfgvx-mini {
    margin: 0;
    color: var(--adfgvx-muted);
    font-size: 0.88rem;
    line-height: 1.5;
}

.adfgvx-mini strong,
.adfgvx-pill strong {
    color: var(--adfgvx-text);
}

.adfgvx-mini code,
.adfgvx-note code {
    font-family: var(--adfgvx-mono);
    font-size: 0.84em;
    padding: 2px 6px;
    border: 1px solid var(--adfgvx-border);
    border-radius: 8px;
    background: var(--adfgvx-panel);
    color: var(--adfgvx-text);
}

.adfgvx-tool .cipher-field-label {
    display: inline-block;
    margin: 0 0 7px;
    color: #40495a;
    font-size: 0.9rem;
    font-weight: 800;
}

html[data-theme="dark"] .adfgvx-tool .cipher-field-label {
    color: #dce5ef;
}

.adfgvx-text-input {
    width: 100%;
    min-width: 0;
    border-radius: 14px;
    border: 1px solid var(--adfgvx-border);
    background: var(--adfgvx-panel);
    padding: 12px 13px;
    font-family: var(--adfgvx-mono);
    font-size: 0.94rem;
    line-height: 1.35;
    color: var(--adfgvx-text);
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.adfgvx-field-note {
    margin: 8px 0 0;
    color: var(--adfgvx-muted);
    font-size: 0.86rem;
    line-height: 1.45;
}

.adfgvx-field-note strong {
    color: var(--adfgvx-text);
}

.adfgvx-field-block.is-invalid .adfgvx-text-input {
    border-color: rgba(181, 75, 75, 0.72);
    box-shadow: 0 0 0 3px rgba(181, 75, 75, 0.12);
}

.adfgvx-field-block.is-invalid .adfgvx-field-note {
    color: var(--adfgvx-danger);
}

.adfgvx-square-warning {
    display: grid;
    gap: 6px;
    margin-top: 10px;
    padding: 12px 14px;
    border: 1px solid rgba(181, 75, 75, 0.34);
    border-radius: 14px;
    background: color-mix(in srgb, #fff2f2 76%, var(--adfgvx-panel) 24%);
}

.adfgvx-square-warning[hidden] {
    display: none;
}

html[data-theme="dark"] .adfgvx-square-warning {
    background: color-mix(in srgb, rgba(181, 75, 75, 0.16) 74%, var(--adfgvx-panel) 26%);
}

.adfgvx-square-warning-title {
    color: var(--adfgvx-danger);
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.adfgvx-square-warning-text {
    margin: 0;
    color: var(--adfgvx-text);
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.5;
}

.adfgvx-square-wrap {
    display: grid;
    gap: 10px;
}

.adfgvx-square-grid {
    display: grid;
    grid-template-columns: 40px repeat(6, minmax(40px, 1fr));
    gap: 6px;
    min-width: 332px;
    overflow-x: auto;
}

.adfgvx-square-cell,
.adfgvx-square-label {
    min-height: 40px;
    border-radius: 12px;
    border: 1px solid var(--adfgvx-border);
    background: var(--adfgvx-panel);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--adfgvx-text);
    font-family: "Inter", var(--font-sans);
    font-size: 0.9rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.01em;
    text-align: center;
}

.adfgvx-square-label {
    background: var(--adfgvx-label-bg);
    border-color: var(--adfgvx-label-border);
    font-size: 0.84rem;
}

.adfgvx-square-meta {
    display: grid;
    gap: 8px;
}

.adfgvx-mini-stat {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid var(--adfgvx-border);
    background: color-mix(in srgb, var(--adfgvx-panel) 78%, transparent);
}

.adfgvx-mini-stat-label {
    color: var(--adfgvx-muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.adfgvx-mini-stat-value {
    color: var(--adfgvx-text);
    font-family: var(--adfgvx-mono);
    font-size: 0.88rem;
    font-weight: 700;
    word-break: break-word;
}

.adfgvx-detail-list {
    display: grid;
    gap: 8px;
}

.adfgvx-detail-item {
    display: grid;
    gap: 5px;
    padding: 10px 12px;
    border: 1px solid var(--adfgvx-border);
    border-radius: 14px;
    background: var(--adfgvx-panel);
}

.adfgvx-detail-item h3 {
    margin: 0;
    color: var(--adfgvx-muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.adfgvx-detail-item p {
    margin: 0;
    color: var(--adfgvx-text);
    font-family: var(--adfgvx-mono);
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.adfgvx-helper-alert {
    color: var(--adfgvx-danger);
    font-weight: 700;
}

.adfgvx-tool .cipher-option-row.is-disabled,
.adfgvx-tool .cipher-stepper.is-disabled {
    opacity: 0.55;
}

.adfgvx-textarea {
    width: 100%;
    min-width: 0;
    min-height: 240px;
    padding: 12px;
    border: 1px solid var(--adfgvx-border);
    border-radius: 14px;
    background: var(--adfgvx-panel);
    color: var(--adfgvx-text);
    font-family: var(--adfgvx-mono);
    font-size: 0.94rem;
    line-height: 1.48;
    outline: none;
    resize: vertical;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.adfgvx-textarea[readonly] {
    background: var(--adfgvx-panel-soft);
}

.adfgvx-textarea::placeholder,
.adfgvx-text-input::placeholder {
    color: var(--adfgvx-muted);
}

.adfgvx-text-input:focus,
.adfgvx-textarea:focus,
.adfgvx-button:focus-visible {
    border-color: rgba(11, 132, 255, 0.55);
    box-shadow: 0 0 0 3px rgba(11, 132, 255, 0.1);
    outline: none;
}

.adfgvx-button[disabled] {
    cursor: not-allowed;
    opacity: 0.62;
}

.adfgvx-copy-inline.is-copied {
    color: var(--adfgvx-success);
    border-color: rgba(44, 122, 57, 0.3);
    background: var(--adfgvx-success-soft);
}

.adfgvx-copy-inline.is-failed {
    color: var(--adfgvx-warning);
    border-color: rgba(138, 99, 31, 0.32);
    background: var(--adfgvx-warning-soft);
}

@media (min-width: 700px) {
    .adfgvx-square-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .adfgvx-square-grid {
        gap: 5px;
    }

    .adfgvx-square-cell,
    .adfgvx-square-label {
        min-height: 38px;
        border-radius: 10px;
        font-size: 0.86rem;
    }
}

@media (max-width: 560px) {
    .adfgvx-textarea {
        min-height: 220px;
    }

    .adfgvx-square-grid {
        grid-template-columns: 34px repeat(6, minmax(36px, 1fr));
        min-width: 286px;
        gap: 6px;
    }

    .adfgvx-square-cell,
    .adfgvx-square-label {
        min-height: 38px;
        border-radius: 10px;
        font-size: 0.8rem;
    }
}