.submit-page .container {
    --content-narrow: 900px;
}

.page-intro {
    margin-bottom: 18px;
}

.page-intro h1 {
    margin: 0;
    color: var(--color-text);
    font-size: clamp(25px, 3vw, 32px);
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.page-intro p {
    max-width: 62ch;
    margin: 8px 0 0;
    color: var(--color-text-muted);
    font-size: 14px;
}

.page-feedback {
    margin-bottom: 14px;
    padding: 11px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-size: 13px;
}

.page-feedback.is-success {
    border-color: #b8d8c6;
    background: var(--color-brand-soft);
    color: #05663d;
}

.page-feedback.is-warning {
    border-color: #ead6a4;
    background: var(--color-warning-soft);
    color: var(--color-warning);
}

.page-feedback.is-error {
    border-color: #efc4bf;
    background: var(--color-danger-soft);
    color: var(--color-danger);
}

.submit-workspace {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-panel);
    background: var(--color-surface);
    box-shadow: var(--shadow-panel);
}

.submit-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 0 22px;
    border-bottom: 1px solid var(--color-border);
}

.submit-tab {
    position: relative;
    min-height: 58px;
    padding: 0 16px;
    border: 0;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 650;
    cursor: pointer;
}

.submit-tab::after {
    position: absolute;
    right: 16px;
    bottom: -1px;
    left: 16px;
    height: 2px;
    transform: scaleX(0.55);
    background: var(--color-brand);
    content: "";
    opacity: 0;
    transition: opacity 160ms ease, transform 160ms ease;
}

.submit-tab:hover,
.submit-tab.is-active {
    color: var(--color-brand);
}

.submit-tab.is-active::after {
    transform: scaleX(1);
    opacity: 1;
}

.submit-panel {
    padding: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--color-text);
    font-size: 14px;
    font-weight: 680;
}

.optional-label {
    color: var(--color-text-subtle);
    font-size: 12px;
    font-weight: 500;
}

.field-help {
    margin: -2px 0 8px;
    color: var(--color-text-muted);
    font-size: 12px;
}

.form-group textarea,
.form-group input[type="text"] {
    width: 100%;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 14px;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-group input[type="text"] {
    min-height: 44px;
    padding: 9px 12px;
}

.form-group textarea {
    min-height: 190px;
    padding: 12px;
    line-height: 1.65;
    resize: vertical;
}

.form-group textarea.thoughts-input {
    min-height: 96px;
}

.form-group textarea::placeholder,
.form-group input::placeholder {
    color: var(--color-text-subtle);
    opacity: 1;
}

.form-group textarea:focus,
.form-group input[type="text"]:focus {
    border-color: var(--color-brand);
    outline: none;
    box-shadow: var(--focus-ring);
}

.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 2px;
}

.primary-actions,
.utility-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.text-action {
    min-height: 44px;
    padding: 8px 7px;
    border: 0;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 560;
    cursor: pointer;
}

.text-action:hover {
    color: var(--color-brand);
}

.text-action-danger:hover {
    color: var(--color-danger);
}

.result-skeleton,
.results {
    margin-top: 22px;
}

.result-skeleton {
    padding: 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface-muted);
}

.skeleton-line {
    width: 82%;
    height: 10px;
    margin-top: 10px;
    border-radius: 4px;
    background: #d7e0db;
}

.skeleton-line:first-of-type {
    margin-top: 0;
}

.skeleton-title {
    width: 46%;
    height: 15px;
}

.skeleton-short {
    width: 61%;
}

@media (prefers-reduced-motion: no-preference) {
    .skeleton-line {
        animation: skeleton-pulse 1.2s ease-in-out infinite alternate;
    }
}

@keyframes skeleton-pulse {
    from { opacity: 0.48; }
    to { opacity: 1; }
}

.results {
    display: grid;
    gap: 12px;
}

.result-item {
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 13px;
}

.result-item.success {
    border-color: #bed9ca;
}

.result-item.error {
    border-color: #efc4bf;
    background: var(--color-danger-soft);
}

.result-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.result-title {
    color: var(--color-text);
    font-size: 14px;
    font-weight: 680;
}

.result-status {
    flex: 0 0 auto;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--color-brand-soft);
    color: #05663d;
    font-size: 12px;
    font-weight: 650;
}

.result-detail,
.result-url {
    margin: 6px 0 0;
    color: var(--color-text-muted);
}

.result-url {
    overflow-wrap: anywhere;
    font-size: 12px;
}

.result-append-thoughts {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
}

.append-thoughts-label {
    display: block;
    margin-bottom: 7px;
    color: var(--color-text);
    font-size: 13px;
    font-weight: 650;
}

.append-thoughts-input {
    width: 100%;
    min-height: 78px;
    padding: 10px 11px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-text);
    line-height: 1.55;
    resize: vertical;
}

.append-thoughts-input::placeholder {
    color: var(--color-text-subtle);
    opacity: 1;
}

.append-thoughts-input:focus {
    border-color: var(--color-brand);
    outline: none;
    box-shadow: var(--focus-ring);
}

.append-thoughts-actions {
    display: flex;
    margin-top: 9px;
    gap: 8px;
}

.append-thoughts-status {
    min-height: 20px;
    margin-top: 6px;
    color: var(--color-text-muted);
    font-size: 12px;
}

.append-thoughts-status.is-success {
    color: #05663d;
}

.append-thoughts-status.is-error {
    color: var(--color-danger);
}

@media (max-width: 680px) {
    .page-intro {
        margin-bottom: 14px;
    }

    .page-intro h1 {
        font-size: 25px;
    }

    .submit-tabs {
        padding: 0 8px;
    }

    .submit-tab {
        min-height: 52px;
        padding: 0 8px;
        font-size: 13px;
    }

    .submit-tab::after {
        right: 8px;
        left: 8px;
    }

    .submit-panel {
        padding: 18px 16px 20px;
    }

    .form-group {
        margin-bottom: 17px;
    }

    .form-group textarea {
        min-height: 150px;
    }

    .form-group textarea.thoughts-input {
        min-height: 88px;
    }

    .form-actions {
        display: grid;
        gap: 9px;
    }

    .primary-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .primary-actions .btn {
        width: 100%;
        padding-inline: 10px;
    }

    .utility-actions {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .text-action {
        padding-inline: 4px;
        font-size: 12px;
    }

    .result-heading {
        align-items: center;
    }
}

@media (max-width: 380px) {
    .primary-actions {
        grid-template-columns: 1fr;
    }
}