:root {
    --bg: #f5f1e8;
    --panel: rgba(255, 251, 245, 0.94);
    --sidebar: #2f5148;
    --sidebar-soft: rgba(255, 255, 255, 0.12);
    --line: #ddd2c1;
    --text: #2f2a24;
    --muted: #7a7064;
    --accent: #c96b3b;
    --accent-dark: #a9562d;
    --accent-soft: #f3dfd2;
    --success-soft: #dcebe5;
    --danger: #b64d3b;
    --shadow: 0 20px 50px rgba(61, 47, 33, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(201, 107, 59, 0.13), transparent 24%),
        radial-gradient(circle at right, rgba(47, 81, 72, 0.12), transparent 26%),
        linear-gradient(180deg, #f6f1e7 0%, #eee4d4 100%);
    font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
    height: 100vh;
    overflow: hidden;
}

body.modal-open {
    overflow: hidden;
}

[hidden] {
    display: none !important;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-shell {
    width: min(1440px, calc(100vw - 32px));
    display: grid;
    place-items: center;
}

.login-card,
.panel,
.topbar,
.sidebar {
    border: 1px solid rgba(221, 210, 193, 0.9);
    box-shadow: var(--shadow);
}

.login-card,
.panel,
.topbar {
    backdrop-filter: blur(18px);
    background: var(--panel);
}

.login-card {
    width: min(480px, 100%);
    padding: 36px;
    border-radius: 24px;
}

.app-shell {
    display: grid;
    grid-template-columns: 236px 1fr;
    gap: 22px;
    height: 100vh;
    padding: 16px;
    overflow: hidden;
}

.sidebar {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent),
        var(--sidebar);
    color: #fff;
    border-radius: 28px;
    padding: 26px 22px;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 32px);
    overflow: hidden;
}

.sidebar .muted,
.sidebar .eyebrow {
    color: rgba(255, 255, 255, 0.7);
}

.brand-block {
    margin-bottom: 28px;
}

.menu-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menu-item {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    background: transparent;
    color: #fff;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: background 0.18s ease, transform 0.18s ease;
}

.menu-item:hover,
.menu-item.is-active {
    background: var(--sidebar-soft);
    transform: translateY(-1px);
}

.sidebar-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.content-shell {
    display: flex;
    flex-direction: column;
    gap: 18px;
    height: calc(100vh - 32px);
    overflow: hidden;
}

.topbar {
    border-radius: 24px;
    padding: 22px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.topbar-actions,
.panel-head,
.tab-row,
.action-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.view-panel {
    display: none;
}

.view-panel.is-visible {
    display: block;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.content-grid {
    display: grid;
    gap: 18px;
    height: 100%;
}

.content-grid-accounts {
    grid-template-columns: 1.1fr 1fr 0.9fr;
}

.content-grid-mails {
    grid-template-columns: 300px 460px minmax(0, 1fr);
}

.content-grid-logs {
    grid-template-columns: minmax(0, 1fr);
}

.panel {
    border-radius: 24px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.panel-head {
    justify-content: space-between;
    margin-bottom: 16px;
}

.panel-head-stack {
    flex-direction: column;
    align-items: stretch;
}

.stack {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.gap-sm {
    gap: 10px;
}

.gap-md {
    gap: 16px;
}

.eyebrow {
    margin: 0 0 8px;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 8px;
    font-size: 30px;
}

h2 {
    margin-bottom: 0;
    font-size: 28px;
}

h3 {
    margin-bottom: 6px;
    font-size: 20px;
}

.muted,
.field-label,
.message,
time,
.mail-item span,
.info-label {
    color: var(--muted);
}

.input,
.textarea,
.button,
.tab,
.account-item,
.mail-item {
    border-radius: 16px;
    font: inherit;
}

.input,
.textarea {
    width: 100%;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--line);
}

.filter-select {
    cursor: pointer;
}

.textarea {
    min-height: 180px;
    resize: vertical;
}

.textarea-lg {
    min-height: 300px;
}

.button,
.tab {
    cursor: pointer;
    padding: 11px 16px;
    border: none;
    background: var(--accent);
    color: #fff;
    transition: transform 0.16s ease, background 0.16s ease;
}

.button:hover,
.tab:hover,
.account-item:hover,
.mail-item:hover {
    transform: translateY(-1px);
}

.button:hover,
.tab.is-active {
    background: var(--accent-dark);
}

.button:disabled,
.tab:disabled {
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

.button-ghost,
.tab {
    background: var(--accent-soft);
    color: var(--accent-dark);
    border: 1px solid rgba(201, 107, 59, 0.12);
}

.pill,
.tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 12px;
}

.pill {
    background: var(--success-soft);
    color: #2f6d59;
}

.sidebar .pill {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

.tag {
    background: #efe5d6;
    color: #665646;
}

.account-list,
.mail-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    min-height: 0;
    overflow: auto;
}

.account-item,
.mail-item {
    width: 100%;
    min-width: 0;
    text-align: left;
    padding: 14px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.75);
}

.account-item-active,
.mail-item-active {
    border-color: var(--accent);
    background: #fff4ec;
}

.account-item-shell {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.75);
    padding: 14px;
}

.account-item-shell.account-item-active {
    border-color: var(--accent);
    background: #fff4ec;
}

.account-item-shell .account-item {
    display: block;
    min-height: fit-content;
    line-height: 1.5;
    white-space: normal;
    overflow: visible;
    padding: 0;
    border: none;
    background: transparent;
}

.account-item-email {
    display: block;
    line-height: 1.45;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.account-item-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.account-meta-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.account-tag-button {
    flex-shrink: 0;
    white-space: nowrap;
    border: 1px solid rgba(201, 107, 59, 0.18);
    background: rgba(201, 107, 59, 0.12);
    color: var(--accent-dark);
    padding: 8px 12px;
    border-radius: 999px;
    font: inherit;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.account-tag-button:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-1px);
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex: 1;
    min-height: 20px;
}

.remark-content,
.mail-account-remark {
    white-space: pre-wrap;
    line-height: 1.6;
    word-break: break-word;
}

.remark-input {
    min-height: 120px;
}

.filter-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 120px;
    gap: 10px;
}

.filter-summary {
    margin: -2px 2px 2px;
    color: var(--muted);
    font-size: 13px;
}

.modal-shell {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 24px;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(34, 28, 24, 0.48);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.18s ease;
}

.modal-card {
    position: relative;
    width: min(560px, calc(100vw - 32px));
    max-height: min(760px, calc(100vh - 32px));
    overflow: auto;
    border-radius: 28px;
    border: 1px solid rgba(221, 210, 193, 0.9);
    background:
        radial-gradient(circle at top right, rgba(201, 107, 59, 0.18), transparent 26%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 241, 231, 0.95));
    box-shadow: 0 30px 80px rgba(42, 33, 24, 0.24);
    padding: 24px;
    transform: translateY(18px) scale(0.98);
    opacity: 0;
    transition: transform 0.18s ease, opacity 0.18s ease;
}

.modal-shell.is-visible .modal-backdrop,
.modal-shell.is-visible .modal-card {
    opacity: 1;
}

.modal-shell.is-visible .modal-card {
    transform: translateY(0) scale(1);
}

.modal-head,
.modal-actions,
.modal-hint-row {
    display: flex;
    align-items: center;
}

.modal-head {
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.icon-button {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(201, 107, 59, 0.16);
    border-radius: 999px;
    background: rgba(201, 107, 59, 0.08);
    color: var(--accent-dark);
    font: inherit;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: transform 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.icon-button:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-1px);
}

.modal-account-card {
    border: 1px solid rgba(221, 210, 193, 0.9);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.78);
    padding: 18px;
    margin-bottom: 18px;
}

.tag-modal-email {
    display: block;
    margin-top: 6px;
    font-size: 18px;
    line-height: 1.45;
    word-break: break-all;
}

.tag-modal-current-tags {
    margin-top: 12px;
    min-height: 28px;
}

.tag-modal-textarea {
    min-height: 120px;
}

.modal-hint-row {
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 12px;
}

.tag-modal-preview {
    min-height: 72px;
    padding: 14px;
    border-radius: 18px;
    border: 1px dashed rgba(201, 107, 59, 0.28);
    background: rgba(201, 107, 59, 0.06);
    display: flex;
    align-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-modal-chip {
    background: #f6d9c9;
    color: #7b3f21;
}

.tag-modal-suggestions {
    min-height: 56px;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid rgba(47, 81, 72, 0.14);
    background: rgba(47, 81, 72, 0.05);
    display: flex;
    align-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-suggestion-button {
    border: 1px solid rgba(47, 81, 72, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--accent-dark);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 12px;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.tag-suggestion-button:hover {
    transform: translateY(-1px);
    border-color: rgba(201, 107, 59, 0.42);
    background: rgba(255, 246, 239, 0.96);
}

.tag-suggestion-button.is-active {
    border-color: rgba(201, 107, 59, 0.42);
    background: #f6d9c9;
    color: #7b3f21;
}

.modal-message {
    margin: 14px 0 0;
}

.modal-actions {
    justify-content: flex-end;
    gap: 12px;
    margin-top: 8px;
}

.remark-modal-current {
    margin-top: 12px;
    min-height: 28px;
}

.mail-account-remark {
    padding: 12px 14px;
    border-radius: 18px;
    border: 1px solid rgba(47, 81, 72, 0.12);
    background: rgba(47, 81, 72, 0.06);
}

.mail-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.mobile-mail-steps,
.mail-detail-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logs-toolbar,
.logs-pagination-bar,
.logs-pagination-field,
.refresh-log-card-head,
.refresh-log-failure,
.refresh-log-time {
    display: flex;
}

.logs-toolbar {
    justify-content: flex-start;
}

.logs-pagination-bar {
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.logs-pagination-field {
    flex-direction: column;
    gap: 8px;
    min-width: 140px;
}

.refresh-log-list {
    display: grid;
    gap: 14px;
    flex: 1;
    min-height: 0;
    overflow: auto;
    padding-right: 2px;
}

.refresh-log-card {
    border: 1px solid rgba(47, 81, 72, 0.14);
    border-radius: 22px;
    background:
        radial-gradient(circle at top right, rgba(201, 107, 59, 0.12), transparent 26%),
        rgba(255, 255, 255, 0.88);
    padding: 18px 20px;
    box-shadow: 0 10px 26px rgba(61, 47, 33, 0.08);
}

.refresh-log-card.is-success {
    border-color: rgba(47, 109, 89, 0.22);
}

.refresh-log-card.is-partial {
    border-color: rgba(182, 77, 59, 0.2);
}

.refresh-log-card-head {
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.refresh-log-card h3 {
    margin-bottom: 12px;
}

.refresh-log-duration {
    color: var(--muted);
    font-size: 13px;
}

.refresh-log-failures {
    display: grid;
    gap: 10px;
    margin-bottom: 14px;
}

.refresh-log-failure {
    flex-direction: column;
    gap: 4px;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(47, 81, 72, 0.05);
    border: 1px solid rgba(47, 81, 72, 0.1);
    line-height: 1.6;
    word-break: break-word;
}

.refresh-log-failure.is-empty {
    color: var(--muted);
}

.refresh-log-time {
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
    flex-wrap: wrap;
}

.refresh-log-actions {
    margin-top: 14px;
    display: flex;
    justify-content: flex-end;
}

.refresh-log-preview-btn {
    min-width: 132px;
}

.mobile-mail-steps {
    display: none;
}

.mobile-mail-step,
.mobile-step-back {
    display: none;
}

.mobile-mail-step {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid rgba(201, 107, 59, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--accent-dark);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.mobile-mail-step.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.mobile-mail-step:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.tab-row {
    flex-wrap: wrap;
}

.mail-toolbar .tab,
.mail-toolbar .button-ghost {
    font-weight: 700;
}

.mail-toolbar .tab.is-active {
    color: #fff;
}

.mail-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mail-detail {
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(221, 210, 193, 0.9);
    flex: 1;
    min-height: 0;
    padding: 18px;
    overflow: auto;
    display: flex;
    flex-direction: column;
}

.info-card {
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(221, 210, 193, 0.9);
}

.info-card {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mail-detail-head {
    padding-bottom: 12px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--line);
    flex-shrink: 0;
}

.mail-detail-body {
    flex: 1;
    min-height: 0;
}

.mail-detail-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
    border-radius: 8px;
}

.empty-state {
    display: grid;
    place-items: center;
    color: var(--muted);
    min-height: 180px;
    text-align: center;
}

.message {
    min-height: 20px;
}

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

@media (max-width: 1280px) {
    .content-grid-accounts,
    .content-grid-mails {
        grid-template-columns: 1fr;
    }

    .panel,
    .mail-detail {
        min-height: auto;
    }
}

@media (max-width: 980px) {
    body {
        height: auto;
        min-height: 100vh;
        overflow: auto;
    }

    .app-shell {
        grid-template-columns: 1fr;
        gap: 10px;
        height: auto;
        min-height: 100vh;
        padding: 10px;
        overflow: visible;
    }

    .sidebar {
        min-height: auto;
        height: auto;
        border-radius: 18px;
        padding: 16px 14px;
    }

    .account-item-meta {
        align-items: flex-start;
    }

    .account-meta-actions {
        width: 100%;
    }

    .content-shell,
    .content-grid,
    .view-panel.is-visible {
        height: auto;
        overflow: visible;
    }

    .content-shell {
        gap: 10px;
    }

    .content-grid-mails .mail-step-panel {
        display: none;
    }

    .content-grid-mails .mail-step-panel.is-mobile-active {
        display: flex;
    }

    .topbar,
    .panel {
        border-radius: 18px;
        padding: 16px;
    }

    .mail-detail,
    .info-card {
        border-radius: 16px;
        padding: 14px;
    }

    .panel-head {
        margin-bottom: 12px;
    }

    .filter-row {
        grid-template-columns: 1fr;
    }

    .topbar,
    .topbar-actions,
    .action-row,
    .mail-toolbar,
    .logs-toolbar,
    .logs-pagination-bar {
        align-items: stretch;
    }

    .topbar-actions,
    .action-row,
    .logs-toolbar {
        width: 100%;
        flex-wrap: wrap;
    }

    .mobile-mail-steps {
        display: flex;
        gap: 8px;
    }

    .mobile-mail-step,
    .mobile-step-back {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .topbar-actions .button,
    .topbar-actions .button-ghost,
    .action-row .button,
    .action-row .button-ghost,
    .mail-toolbar .button,
    .mail-toolbar .button-ghost,
    .logs-toolbar .button,
    .logs-pagination-field {
        width: 100%;
    }

    .account-list,
    .mail-list {
        overflow: visible;
    }

    .mail-detail-actions {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px;
    }

    .mail-detail-body iframe {
        min-height: 56vh;
        height: 56vh;
    }

    .modal-shell {
        padding: 12px;
    }

    .modal-card {
        width: 100%;
        padding: 20px;
    }

    .modal-head,
    .modal-hint-row,
    .modal-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .modal-actions .button,
    .modal-actions .button-ghost {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .login-body,
    .login-shell,
    .modal-shell {
        padding: 8px;
    }

    .login-card {
        padding: 20px;
        border-radius: 18px;
    }

    .app-shell {
        gap: 6px;
        padding: 6px;
    }

    .sidebar,
    .topbar,
    .panel,
    .modal-card {
        border-radius: 14px;
    }

    .sidebar,
    .topbar,
    .panel,
    .modal-card,
    .modal-account-card,
    .mail-detail,
    .info-card {
        padding: 12px;
    }

    .content-shell,
    .content-grid {
        gap: 6px;
    }

    .brand-block {
        margin-bottom: 16px;
    }

    .menu-list,
    .sidebar-footer,
    .tab-row,
    .mail-toolbar,
    .modal-actions,
    .mail-detail-actions,
    .logs-pagination-bar,
    .refresh-log-list {
        gap: 8px;
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 22px;
    }

    h3 {
        font-size: 18px;
    }

    .eyebrow {
        margin-bottom: 6px;
        letter-spacing: 0.12em;
    }

    .menu-item,
    .button,
    .tab,
    .input,
    .textarea,
    .account-item,
    .mail-item {
        border-radius: 12px;
    }

    .menu-item,
    .button,
    .tab {
        padding: 10px 12px;
    }

    .input,
    .textarea {
        padding: 8px 12px;
    }

    .textarea {
        min-height: 140px;
    }

    .textarea-lg {
        min-height: 220px;
    }

    .account-item-shell,
    .account-item,
    .mail-item {
        padding: 12px;
    }

    .account-item-meta {
        gap: 8px;
        margin-top: 8px;
    }

    .account-meta-actions {
        width: 100%;
        gap: 8px;
    }

    .account-tag-button {
        width: 100%;
        padding: 8px 10px;
    }

    .mobile-mail-steps {
        gap: 6px;
    }

    .mobile-mail-step {
        padding: 9px 8px;
        font-size: 13px;
    }

    .mobile-step-back {
        width: 100%;
    }

    .mail-detail-head {
        padding-bottom: 10px;
        margin-bottom: 12px;
    }

    .mail-detail-body iframe {
        min-height: 50vh;
        height: 50vh;
    }

    .icon-button {
        width: 36px;
        height: 36px;
        font-size: 22px;
    }

    .modal-account-card {
        margin-bottom: 12px;
    }

    .tag-modal-preview {
        min-height: 56px;
        padding: 10px;
        border-radius: 12px;
    }

    .modal-hint-row {
        gap: 8px;
        font-size: 11px;
    }
}