.file-message-encryptor {
    --vault-panel: #f7f8fa;
    --vault-panel-strong: #ffffff;
    --vault-panel-muted: #f1f3f6;
    --vault-border: #d8dde5;
    --vault-border-strong: #c5ccd7;
    --vault-text: #172238;
    --vault-body: #404b5e;
    --vault-muted: #687385;
    --vault-blue: #2563eb;
    --vault-blue-deep: #1d4ed8;
    --vault-blue-soft: #eef4fb;
    --vault-blue-border: #b7c9e0;
    --vault-hover: #f2f6fb;
    --vault-hover-border: #a9bbd1;
    --vault-success: #166534;
    --vault-success-soft: #edf8f0;
    --vault-success-border: #bfe1c8;
    --vault-danger: #8d343b;
    --vault-danger-soft: #f8ebec;
    --vault-danger-border: #e8c9cc;
    --vault-warning: #7c5411;
    --vault-warning-soft: #fff8e8;
    --vault-warning-border: #ead9ad;
    overflow: hidden;
    border: 1px solid var(--vault-border);
    border-radius: 15px;
    background: var(--vault-panel-strong);
    color: var(--vault-body);
    font-family: "Inter", var(--font-sans);
}

.file-message-encryptor,
.file-message-encryptor * {
    box-sizing: border-box;
}

.file-message-encryptor :where(button, input, textarea) {
    font: inherit;
}

.file-message-encryptor button,
.file-message-encryptor input[type="file"] {
    -webkit-tap-highlight-color: transparent;
}

.file-message-encryptor :where(button, input, textarea):focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.24);
    outline-offset: 2px;
}

.file-message-encryptor code {
    padding: 1px 5px;
    border: 1px solid var(--vault-border);
    border-radius: 6px;
    background: var(--vault-panel-strong);
    color: var(--vault-text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.9em;
    overflow-wrap: anywhere;
}

.vault-runtime-strip {
    display: none;
    align-items: center;
    gap: 9px;
    min-height: 40px;
    padding: 9px 14px;
    border-bottom: 1px solid var(--vault-success-border);
    background: var(--vault-success-soft);
    color: var(--vault-success);
    font-size: 0.82rem;
    line-height: 1.4;
}

.vault-runtime-strip.is-error {
    display: flex;
}

.vault-runtime-strip.is-error {
    border-color: var(--vault-danger-border);
    background: var(--vault-danger-soft);
    color: var(--vault-danger);
}

.vault-runtime-icon {
    display: grid;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 0.71rem;
    font-weight: 850;
}

.vault-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 8px;
    border-bottom: 1px solid var(--vault-border);
    background: var(--vault-panel-muted);
}

.vault-tab {
    min-height: 45px;
    padding: 9px 14px;
    border: 1px solid var(--vault-border);
    border-radius: 10px;
    background: var(--vault-panel-strong);
    color: var(--vault-body);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 760;
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.vault-tab:hover {
    border-color: var(--vault-hover-border);
    background: var(--vault-hover);
    color: var(--vault-text);
}

.vault-tab[aria-selected="true"] {
    border-color: var(--vault-blue-border);
    background: #dce9f8;
    color: var(--vault-text);
}

.vault-panel {
    padding: 24px;
}

.vault-panel[hidden] {
    display: none;
}

.vault-panel-head {
    margin-bottom: 18px;
}

.vault-panel-head h2 {
    margin: 0;
    color: var(--vault-text);
    font-family: "Inter", var(--font-sans);
    font-size: 1.18rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

.vault-panel-head p {
    max-width: 82ch;
    margin: 6px 0 0;
    color: var(--vault-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

.vault-workspace-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
    align-items: stretch;
    gap: 16px;
}

.vault-control-card,
.vault-security-card,
.vault-message-card {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--vault-border);
    border-radius: 14px;
    background: var(--vault-panel);
}

.vault-section-kicker,
.vault-security-card h3,
.vault-message-card h3 {
    margin: 0 0 15px;
    color: #4e5a6e;
    font-family: "Inter", var(--font-sans);
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0.035em;
    line-height: 1.25;
    text-transform: uppercase;
}

.vault-field {
    display: grid;
    gap: 7px;
}

.vault-field + .vault-field {
    margin-top: 15px;
}

.vault-field > label {
    color: #39455a;
    font-size: 0.9rem;
    font-weight: 750;
}

.vault-field-hint {
    margin: 0;
    color: var(--vault-muted);
    font-size: 0.84rem;
    line-height: 1.48;
}

.vault-file-box {
    position: relative;
    min-height: 104px;
    display: grid;
    place-items: center;
    padding: 14px;
    border: 1px dashed var(--vault-border-strong);
    border-radius: 12px;
    background: var(--vault-panel-strong);
    color: var(--vault-muted);
    text-align: center;
    transition: background-color 0.16s ease, border-color 0.16s ease;
}

.vault-file-box:hover,
.vault-file-box.is-dragging {
    border-color: var(--vault-blue);
    background: var(--vault-blue-soft);
}

.vault-file-box input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.vault-file-box > div {
    display: grid;
    justify-items: center;
    gap: 3px;
    pointer-events: none;
}

.vault-file-box strong {
    color: var(--vault-text);
    font-size: 0.88rem;
}

.vault-file-box span {
    max-width: 44ch;
    font-size: 0.84rem;
    overflow-wrap: anywhere;
}

.vault-file-icon {
    width: 25px;
    height: 25px;
    margin-bottom: 3px;
    color: var(--vault-blue);
}

.vault-input-wrap {
    position: relative;
}

.vault-input-wrap input,
.vault-field textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--vault-border-strong);
    border-radius: 10px;
    background: var(--vault-panel-strong);
    color: var(--vault-text);
}

.vault-input-wrap input {
    min-height: 46px;
    padding: 10px 64px 10px 12px;
}

.vault-field textarea {
    min-height: 210px;
    padding: 12px;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.9rem;
    line-height: 1.55;
}

.vault-message-card-result textarea {
    min-height: 266px;
}

.vault-input-wrap input:focus,
.vault-field textarea:focus {
    border-color: var(--vault-blue);
}

.vault-inline-btn {
    position: absolute;
    top: 50%;
    right: 7px;
    min-width: 48px;
    min-height: 36px;
    padding: 5px 8px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: transparent;
    color: var(--vault-blue-deep);
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 750;
    transform: translateY(-50%);
    transition: background-color 0.16s ease, border-color 0.16s ease;
}

.vault-inline-btn:hover {
    border-color: var(--vault-blue-border);
    background: var(--vault-blue-soft);
}

.vault-password-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 3px;
}

.vault-btn {
    min-height: 43px;
    padding: 9px 14px;
    border: 1px solid var(--vault-border);
    border-radius: 10px;
    background: var(--vault-panel-strong);
    color: #3f4a5d;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 750;
    line-height: 1.25;
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.vault-btn:hover:not(:disabled) {
    border-color: var(--vault-hover-border);
    background: var(--vault-hover);
    color: var(--vault-text);
}

.vault-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.vault-btn-primary {
    border-color: #1f58cd;
    background: var(--vault-blue);
    color: #ffffff;
}

.vault-btn-primary:hover:not(:disabled) {
    border-color: #1748ad;
    background: var(--vault-blue-deep);
    color: #ffffff;
}

.vault-btn-subtle {
    background: var(--vault-panel-muted);
}

.vault-mini-btn {
    min-height: 40px;
    padding: 7px 10px;
    font-size: 0.875rem;
}

.vault-security-card {
    background: linear-gradient(180deg, #f7f9fc 0%, #f2f5f9 100%);
}

.vault-security-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.vault-security-list li {
    display: grid;
    grid-template-columns: 23px minmax(0, 1fr);
    align-items: start;
    gap: 9px;
    color: var(--vault-muted);
    font-size: 0.86rem;
    line-height: 1.48;
}

.vault-security-list strong {
    color: var(--vault-text);
    font-size: 0.88rem;
}

.vault-check {
    display: grid;
    width: 23px;
    height: 23px;
    place-items: center;
    border: 1px solid var(--vault-success-border);
    border-radius: 50%;
    background: var(--vault-success-soft);
    color: var(--vault-success);
    font-size: 0.68rem;
    font-weight: 850;
}

.vault-warning {
    margin-top: 15px;
    padding: 10px 11px;
    border: 1px solid var(--vault-warning-border);
    border-radius: 10px;
    background: var(--vault-warning-soft);
    color: var(--vault-warning);
    font-size: 0.84rem;
    line-height: 1.48;
}

.vault-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 16px;
}

.vault-progress-wrap {
    display: none;
    margin-top: 16px;
    padding: 13px;
    border: 1px solid var(--vault-border);
    border-radius: 11px;
    background: var(--vault-panel);
}

.vault-progress-wrap.is-visible {
    display: block;
}

.vault-progress-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 7px;
    color: var(--vault-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.vault-track {
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: #e0e5ec;
}

.vault-bar {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--vault-blue);
    transition: width 0.18s ease;
}

.vault-status,
.vault-message-status {
    min-height: 1.2em;
    margin-top: 9px;
    color: var(--vault-muted);
    font-size: 0.84rem;
    line-height: 1.45;
}

.vault-status.is-success,
.vault-message-status.is-success {
    color: var(--vault-success);
}

.vault-status.is-error,
.vault-message-status.is-error {
    color: var(--vault-danger);
}

.vault-message-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.vault-message-card {
    display: flex;
    flex-direction: column;
}

.vault-message-card > p {
    min-height: 46px;
    margin: -7px 0 14px;
    color: var(--vault-muted);
    font-size: 0.84rem;
    line-height: 1.45;
}

.vault-message-card .vault-field {
    margin-top: 0;
}

.vault-message-card-input .vault-field + .vault-field {
    margin-top: 10px;
}

.vault-message-card-result .vault-field {
    display: flex;
    min-height: 0;
    flex: 1;
    flex-direction: column;
}

.vault-message-card-result textarea {
    flex: 1;
}

.vault-message-step {
    display: inline-grid;
    width: 24px;
    height: 24px;
    margin-right: 8px;
    place-items: center;
    border-radius: 50%;
    background: #dce9f8;
    color: var(--vault-blue-deep);
    font-size: 0.71rem;
}

.vault-message-actions,
.vault-result-actions {
    display: grid;
    gap: 8px;
    margin-top: 14px;
}

.vault-message-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.vault-result-actions {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 0.85fr);
}

.vault-result-actions .vault-btn {
    min-height: 43px;
}

.vault-message-card-result .vault-message-status {
    margin-top: 12px;
}

.vault-message-help {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 10px;
    padding: 12px 14px;
    border: 1px solid var(--vault-blue-border);
    border-radius: 11px;
    background: var(--vault-blue-soft);
    color: #4c607a;
    font-size: 0.84rem;
    line-height: 1.48;
}

.vault-message-help-icon {
    display: grid;
    width: 24px;
    height: 24px;
    place-items: center;
    border-radius: 50%;
    background: var(--vault-blue);
    color: #ffffff;
    font-size: 0.76rem;
    font-weight: 850;
}

.vault-message-protection {
    margin-top: 16px;
}

.vault-message-protection .vault-security-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

html[data-theme="dark"] .file-message-encryptor {
    --vault-panel: #20262e;
    --vault-panel-strong: #181d24;
    --vault-panel-muted: #252c35;
    --vault-border: #333c47;
    --vault-border-strong: #475363;
    --vault-text: #f2f5fb;
    --vault-body: #d7dce2;
    --vault-muted: #a8b2c0;
    --vault-blue: #7db2ff;
    --vault-blue-deep: #a9caff;
    --vault-blue-soft: #202c3a;
    --vault-blue-border: #425a75;
    --vault-hover: #252f3b;
    --vault-hover-border: #60748d;
    --vault-success: #91d6a4;
    --vault-success-soft: #1d3327;
    --vault-success-border: #31553c;
    --vault-danger: #f0b6bc;
    --vault-danger-soft: #332426;
    --vault-danger-border: #4a2f33;
    --vault-warning: #efd091;
    --vault-warning-soft: #342c1d;
    --vault-warning-border: #54472c;
}

html[data-theme="dark"] .vault-tab[aria-selected="true"],
html[data-theme="dark"] .vault-message-step {
    background: #263a54;
}

html[data-theme="dark"] .vault-tab:not([aria-selected="true"]) {
    border-color: var(--vault-border-strong);
    background: #1b2129;
}

html[data-theme="dark"] .vault-field > label,
html[data-theme="dark"] .vault-section-kicker,
html[data-theme="dark"] .vault-security-card h3,
html[data-theme="dark"] .vault-message-card h3,
html[data-theme="dark"] .vault-btn {
    color: #dbe3ee;
}

html[data-theme="dark"] .vault-security-card {
    background: linear-gradient(180deg, #202833 0%, #1d242d 100%);
}

html[data-theme="dark"] .vault-btn-primary {
    border-color: #769dd2;
    background: #335f9e;
    color: #ffffff;
}

html[data-theme="dark"] .vault-btn-primary:hover:not(:disabled) {
    border-color: #9fc4f5;
    background: #3d6eae;
    color: #ffffff;
}

html[data-theme="dark"] .vault-track {
    background: #303843;
}

html[data-theme="dark"] .vault-message-help {
    color: #bfd0e7;
}

@media (max-width: 980px) {
    .vault-workspace-grid,
    .vault-message-columns {
        grid-template-columns: minmax(0, 1fr);
    }

    .vault-message-card > p {
        min-height: 0;
    }

    .vault-message-card-result textarea {
        min-height: 230px;
    }

    .vault-message-protection .vault-security-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}

@media (max-width: 720px) {
    .vault-panel {
        padding: 18px 14px 20px;
    }

    .vault-control-card,
    .vault-security-card,
    .vault-message-card {
        padding: 16px;
    }

    .vault-action-row {
        flex-direction: column;
    }

    .vault-action-row .vault-btn,
    .vault-message-actions .vault-btn,
    .vault-result-actions .vault-btn {
        width: 100%;
    }

    .vault-message-actions,
    .vault-result-actions,
    .vault-message-protection .vault-security-list {
        grid-template-columns: minmax(0, 1fr);
    }

    .vault-runtime-strip {
        align-items: flex-start;
    }

}

@media (max-width: 430px) {
    .vault-tabs {
        gap: 4px;
        padding: 6px;
    }

    .vault-tab {
        min-height: 46px;
        padding-inline: 6px;
        font-size: 0.8rem;
    }

    .vault-password-tools {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .vault-password-tools .vault-btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .file-message-encryptor *,
    .file-message-encryptor *::before,
    .file-message-encryptor *::after {
        transition: none !important;
    }
}