:root {
    --write-background: #f4f7fb;
    --write-surface: #ffffff;
    --write-text: #182230;
    --write-muted: #667085;
    --write-border: #e4e7ec;
    --write-primary: #3157d5;
    --write-primary-dark: #2446ba;
    --write-primary-soft: #eef2ff;
    --write-danger: #b42318;
    --write-danger-soft: #fef3f2;
}

* {
    box-sizing: border-box;
}

.write-page {
    margin: 0;
    min-width: 320px;
    background: var(--write-background);
    color: var(--write-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.write-shell {
    width: min(100% - 40px, 1120px);
    margin: 0 auto;
    padding: 24px 0 56px;
}

.write-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 8px 0 24px;
    border-bottom: 1px solid var(--write-border);
}

.write-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--write-text);
    font-size: 19px;
    font-weight: 700;
    text-decoration: none;
}

.write-brand-mark {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--write-primary);
    box-shadow: 0 0 0 5px var(--write-primary-soft);
}

.write-card {
    margin-top: 42px;
    padding: 32px;
    border: 1px solid var(--write-border);
    border-radius: 16px;
    background: var(--write-surface);
    box-shadow: 0 14px 40px rgba(24, 34, 48, 0.07);
}

.write-heading {
    margin-bottom: 28px;
}

.write-eyebrow {
    display: block;
    margin-bottom: 10px;
    color: var(--write-primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.write-heading h1 {
    margin: 0 0 10px;
    font-size: 30px;
    letter-spacing: -0.03em;
}

.write-heading p {
    margin: 0;
    color: var(--write-muted);
    font-size: 14px;
}

.write-form {
    display: grid;
    gap: 18px;
}

.write-field,
.editor-field {
    display: grid;
    gap: 8px;
    color: var(--write-text);
    font-size: 14px;
    font-weight: 700;
}

.write-field input {
    width: 100%;
    min-height: 46px;
    padding: 11px 13px;
    border: 1px solid var(--write-border);
    border-radius: 9px;
    background: var(--write-surface);
    color: var(--write-text);
    font: inherit;
    font-weight: 400;
}

.write-field input::placeholder {
    color: #98a2b3;
}

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

.write-meta > :only-child {
    grid-column: 1 / -1;
}

.member-writer {
    display: flex;
    min-height: 46px;
    align-items: center;
    padding: 11px 13px;
    border: 1px solid var(--write-border);
    border-radius: 9px;
    background: #f9fafb;
    color: var(--write-muted);
    font-weight: 500;
}

.editor-field .toastui-editor-defaultUI {
    overflow: hidden;
    border-color: var(--write-border);
    border-radius: 9px;
}

.field-error,
.write-error {
    margin: -10px 0 0;
    color: var(--write-danger);
    font-size: 13px;
    font-weight: 500;
}

.write-error {
    padding: 11px 13px;
    border-radius: 9px;
    background: var(--write-danger-soft);
}

.write-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 6px;
}

.primary-button,
.secondary-button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 9px;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
}

.primary-button {
    border-color: var(--write-primary);
    background: var(--write-primary);
    color: #ffffff;
}

.primary-button:hover {
    border-color: var(--write-primary-dark);
    background: var(--write-primary-dark);
}

.secondary-button {
    border-color: var(--write-border);
    background: var(--write-surface);
    color: var(--write-text);
}

.secondary-button:hover {
    border-color: #c8ced8;
    background: #f9fafb;
}

.write-field input:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.write-brand:focus-visible {
    outline: 3px solid rgba(49, 87, 213, 0.25);
    outline-offset: 2px;
}

@media (max-width: 700px) {
    .write-shell {
        width: min(100% - 24px, 1120px);
        padding-top: 14px;
    }

    .write-card {
        margin-top: 28px;
        padding: 22px 16px;
        border-radius: 12px;
    }

    .write-meta {
        grid-template-columns: 1fr;
    }

    .write-actions {
        flex-direction: column-reverse;
    }

    .write-actions .primary-button,
    .write-actions .secondary-button {
        width: 100%;
    }
}