.mail-setup { padding-top: 22px; padding-bottom: 100px; }
.mail-setup-card { max-width: 900px; margin: 34px auto 0; padding: 44px 50px; background: #e4edf7; border: 1px solid var(--line-dark); }
.mail-setup-card > .eyebrow { display: flex; align-items: center; gap: 12px; font: 10px var(--font-mono); color: var(--muted-dark); }
.mail-setup-card h1 { margin: 20px 0; color: var(--ink-dark); font: 500 clamp(38px, 6vw, 64px)/1.05 var(--font-serif); letter-spacing: -.045em; }
.mail-setup-card h1 em { color: var(--accent-dark); }
.mail-setup-intro, .mail-setup-note { max-width: 640px; color: var(--muted-dark); font-size: 13px; line-height: 1.8; }
.mail-setup-note { padding: 14px 16px; background: #f7faff; border-left: 3px solid var(--accent-dark); }
.mail-setup-form { display: flex; flex-direction: column; gap: 18px; margin-top: 25px; }
.mail-setup-form h2 { margin: 18px 0 0; color: var(--ink-dark); font: 500 24px var(--font-serif); }
.mail-setup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mail-setup-field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.mail-setup-field label { color: var(--ink-dark); font: 10px var(--font-mono); }
.mail-setup-field input { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #b7c7d7; background: #f8fbff; color: var(--ink-dark); font: 13px var(--font-sans); }
.mail-setup-field input:focus { outline: 3px solid rgba(8,123,216,.2); border-color: var(--accent-dark); }
.mail-setup-field input[readonly] { background: #eaf1f9; color: var(--muted-dark); }
.mail-setup-field small { color: var(--muted-dark); font-size: 10px; }
.mail-setup-field span { color: #9c2c27; font-size: 10px; }
.mail-setup-current { display: grid; grid-template-columns: 1fr 2fr; gap: 10px 18px; padding: 17px 0; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); font-size: 12px; }
.mail-setup-current span { color: var(--muted-dark); }
.mail-setup-current strong { color: var(--ink-dark); font-weight: 600; }
.mail-setup-alert, .mail-setup-success { padding: 13px 16px; font-size: 12px; line-height: 1.65; }
.mail-setup-alert { background: #fbefec; color: #82221e; border-left: 3px solid #a12f29; }
.mail-setup-success { background: #e9f7ee; color: #185b32; border-left: 3px solid #26834a; }
.mail-setup-validation:not(:empty) { padding: 12px 15px; background: #fbefec; color: #82221e; font-size: 11px; }
.mail-setup-validation ul { margin: 0; padding-left: 19px; }
.mail-setup-test-form { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line-dark); }
.mail-setup-test-form p { color: var(--muted-dark); font-size: 11px; line-height: 1.6; }
.mail-storage-diagnostics { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line-dark); }
.mail-storage-diagnostics > .eyebrow { color: var(--muted-dark); font: 10px var(--font-mono); }
.mail-storage-diagnostics h2 { margin: 8px 0; color: var(--ink-dark); font: 500 22px var(--font-serif); }
.mail-storage-diagnostics > p:not(.eyebrow):not(.mail-storage-diagnostic-result) { max-width: 650px; color: var(--muted-dark); font-size: 11px; line-height: 1.7; }
.mail-storage-diagnostic-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 15px; }
.mail-storage-diagnostic-result { min-height: 0; margin: 12px 0 0; font-size: 11px; line-height: 1.6; }
.mail-storage-diagnostic-result:empty { display: none; }
.mail-storage-diagnostic-result[data-state=success] { color: #185b32; }
.mail-storage-diagnostic-result[data-state=error] { color: #82221e; }
.mail-storage-diagnostic-result[data-state=pending] { color: var(--muted-dark); }
.mail-storage-diagnostic-actions button:disabled { opacity: .65; cursor: wait; }
.mail-setup-logout { margin-top: 20px; }
.mail-setup-logout button, .mail-setup-recovery-toggle { background: none; border: 0; color: var(--muted-dark); font: 10px var(--font-mono); text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.mail-setup-recovery { margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--line-dark); }
.mail-setup-recovery summary { color: var(--muted-dark); font: 11px var(--font-mono); cursor: pointer; }
.mail-setup-recovery p { max-width: 620px; color: var(--muted-dark); font-size: 11px; line-height: 1.7; }
.mail-setup-recovery .mail-setup-form { max-width: 580px; }

html[data-theme=dark] .mail-setup-card { background: #081d38; border-color: var(--line); }
html[data-theme=dark] .mail-setup-card h1, html[data-theme=dark] .mail-setup-form h2, html[data-theme=dark] .mail-setup-field label, html[data-theme=dark] .mail-setup-current strong { color: var(--ink); }
html[data-theme=dark] .mail-setup-card > .eyebrow, html[data-theme=dark] .mail-setup-intro, html[data-theme=dark] .mail-setup-note, html[data-theme=dark] .mail-setup-current span, html[data-theme=dark] .mail-setup-test-form p, html[data-theme=dark] .mail-setup-recovery p, html[data-theme=dark] .mail-setup-recovery summary { color: var(--muted); }
html[data-theme=dark] .mail-setup-note { background: #06172c; }
html[data-theme=dark] .mail-setup-field input { background: #06172c; color: var(--ink); border-color: #365777; }
html[data-theme=dark] .mail-setup-field input[readonly] { background: #0c2745; }
html[data-theme=dark] .mail-setup-current, html[data-theme=dark] .mail-setup-test-form, html[data-theme=dark] .mail-setup-recovery, html[data-theme=dark] .mail-storage-diagnostics { border-color: var(--line); }
html[data-theme=dark] .mail-storage-diagnostics h2 { color: var(--ink); }
html[data-theme=dark] .mail-storage-diagnostics > .eyebrow, html[data-theme=dark] .mail-storage-diagnostics > p:not(.eyebrow):not(.mail-storage-diagnostic-result), html[data-theme=dark] .mail-storage-diagnostic-result[data-state=pending] { color: var(--muted); }
html[data-theme=dark] .mail-storage-diagnostic-result[data-state=success] { color: #88d49e; }
html[data-theme=dark] .mail-storage-diagnostic-result[data-state=error] { color: #ffaaa2; }

@media (max-width: 680px) {
    .mail-setup { padding-bottom: 65px; }
    .mail-setup-card { margin-top: 20px; padding: 28px 20px; }
    .mail-setup-grid { grid-template-columns: 1fr; }
    .mail-setup-current { grid-template-columns: 1fr; gap: 5px; }
    .mail-setup-current strong { margin-bottom: 7px; }
}