* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0d0d1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;

    --accent-primary: #b8a9ff;
    --accent-secondary: #ffb8d9;
    --accent-tertiary: #a9d9ff;

    --text-primary: #e8e8f0;
    --text-secondary: #b8b8cc;
    --text-muted: #7878a0;

    --border-color: #2a2a44;
    --border-accent: #4a4a6a;

    --success: #a9ffb8;
    --warning: #ffd9a9;
    --error: #ffb8b8;
}

body {
    font-family: 'MS PGothic', 'Osaka', 'Arial', sans-serif;
    font-size: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.4;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
}

footer {
    padding: 4px 8px;
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

footer a {
    color: var(--accent-tertiary);
}

footer a:hover {
    color: var(--accent-primary);
}

.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-accent);
}

.topnav {
    display: flex;
    justify-content: space-between;
    padding: 4px 10px;
    border-bottom: 1px solid var(--border-color);
}

.nav-title a {
    color: var(--accent-secondary);
    font-size: 14px;
    font-weight: bold;
}

.nav-links {
    display: flex;
    gap: 3px;
}

.nav-item a {
    color: var(--text-secondary);
    padding: 3px 8px;
    display: block;
    font-size: 11px;
}

.nav-item a:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.subnav {
    display: flex;
    justify-content: space-between;
    padding: 3px 10px;
    background: var(--bg-tertiary);
}

.nav-subitem {
    position: relative;
}

.nav-subitem a {
    color: var(--text-secondary);
    padding: 3px 8px;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 2px;
    flex-direction: column;
}

.nav-subitem a:hover {
    background: var(--bg-secondary);
    color: var(--accent-primary);
}

.nav-subitem.disabled a {
    opacity: 0.4;
    cursor: not-allowed;
}

.nav-subitem a img {
    width: 16px;
    height: 16px;
}

.options-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    min-width: 160px;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
    z-index: 1000;
}

.options-subitem.open .options-dropdown {
    display: block;
}

.options-subitem.disabled .options-dropdown {
    display: none !important;
}

.options-dropdown-item a {
    padding: 6px 10px;
    color: var(--text-secondary);
    font-size: 10px;
    border-bottom: 1px solid var(--border-color);
}

.options-dropdown-item:last-child a {
    border-bottom: none;
}

.options-dropdown-item a:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.flyout-dropdown {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    min-width: 140px;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
    z-index: 1001;
}

.flyout-subitem:hover .flyout-dropdown {
    display: block;
}

.flyout-dropdown-item a {
    padding: 6px 10px;
    font-size: 10px;
    border-bottom: 1px solid var(--border-color);
}

.flyout-dropdown-item:last-child a {
    border-bottom: none;
}

.nav-search {
    position: relative;
    flex: 1;
    max-width: 500px;
}

.nav-search form {
    display: flex;
    gap: 3px;
    position: relative;
}

.search-input {
    flex: 1;
    min-width: 320px;
    padding: 3px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 11px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.btn-filters,
.btn-search {
    padding: 3px 8px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 10px;
}

.btn-filters:hover,
.btn-search:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.filters {
    position: absolute;
    top: calc(100% + 3px);
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    width: 420px;
    max-height: 480px;
    overflow-y: auto;
    box-shadow: 2px 2px 12px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-accent);
    color: var(--accent-primary);
    font-weight: bold;
    font-size: 11px;
}

.close-filters {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
}

.close-filters:hover {
    color: var(--error);
}

.filter-section {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
}

.filter-section:last-of-type {
    border-bottom: none;
}

.filter-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.filter-label-row label {
    color: var(--accent-tertiary);
    font-size: 10px;
    font-weight: bold;
}

.filter-label-row select {
    padding: 2px 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 9px;
    font-family: inherit;
}

.filter-input {
    width: 100%;
    padding: 3px 5px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 11px;
    font-family: inherit;
}

.filter-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.tag-input-container {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    padding: 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    min-height: 28px;
    margin-bottom: 4px;
}

.tag-input-container:focus-within {
    border-color: var(--accent-primary);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    background: var(--accent-primary);
    color: var(--bg-primary);
    font-size: 10px;
    border: 1px solid var(--accent-primary);
}

.tag-remove {
    background: none;
    border: none;
    color: var(--bg-primary);
    cursor: pointer;
    font-size: 12px;
    padding: 0;
    width: 14px;
    height: 14px;
    font-weight: bold;
}

.tag-remove:hover {
    color: var(--error);
}

.tag-input {
    flex: 1;
    min-width: 100px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 11px;
    font-family: inherit;
    outline: none;
}

.autocomplete-dropdown {
    position: absolute;
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    max-height: 160px;
    overflow-y: auto;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
    z-index: 1001;
}

.autocomplete-item {
    padding: 6px 10px;
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.active {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.flag-checkboxes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
}

.flag-option {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.flag-option:hover {
    border-color: var(--accent-primary);
}

.flag-option input[type="checkbox"] {
    width: 13px;
    height: 13px;
    cursor: pointer;
}

.flag-option span {
    font-size: 10px;
    color: var(--text-secondary);
}

.flag-option:has(input:checked) {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.flag-option:has(input:checked) span {
    color: var(--accent-primary);
}

.filter-actions {
    display: flex;
    gap: 5px;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-accent);
}

.btn-clear,
.btn-apply {
    flex: 1;
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 10px;
    font-weight: bold;
}

.btn-clear {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.btn-clear:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-apply {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.btn-apply:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

input[type="date"] {
    width: 100%;
    padding: 3px 5px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 11px;
    font-family: inherit;
    color-scheme: dark;
}

input[type="date"]:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.mailbox {
    display: grid;
    grid-template-columns: 200px 340px 1fr;
    height: 100%;
}

.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.folder-list {
    list-style: none;
    padding: 4px;
}

.folder-item {
    margin-bottom: 2px;
}

.folder-item a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 8px;
    color: var(--text-secondary);
    font-size: 11px;
    border-left: 2px solid var(--bg-secondary);
}

.folder-item a:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.folder-item.active>a {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    border-left: 2px solid var(--accent-primary);
}

.folder-icon {
    width: 16px;
    height: 16px;
}

.folder-name {
    flex: 1;
}

.folder-count {
    background: var(--accent-secondary);
    color: var(--bg-primary);
    padding: 1px 5px;
    font-size: 9px;
    font-weight: bold;
}

.subfolder-list {
    list-style: none;
    padding-left: 16px;
    margin-top: 2px;
}

.pane {
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 4px;
}

.email-row {
    display: grid;
    grid-template-columns: 18px 18px 1fr 70px;
    gap: 6px;
    align-items: center;
    padding: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-bottom: 3px;
    cursor: pointer;
}

.email-row:hover {
    background: var(--bg-tertiary);
}

.email-row.active {
    border-left: 2px solid var(--accent-primary);
}

.email-row.unread {
    border-left: 2px solid var(--accent-tertiary);
}

.email-row.unread .email-from,
.email-row.unread .email-subject {
    font-weight: bold;
}

.email-checkbox input {
    width: 14px;
    height: 14px;
    cursor: pointer;
}

.email-flag {
    width: 14px;
    height: 14px;
    opacity: 0.3;
    cursor: pointer;
}

.email-flag.flagged {
    opacity: 1;
}

.email-info {
    overflow: hidden;
}

.email-from {
    font-size: 11px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-subject {
    color: var(--accent-primary);
    font-size: 11px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-preview {
    color: var(--text-muted);
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.email-date {
    color: var(--text-muted);
    font-size: 9px;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 12px;
}

.preview {
    background: var(--bg-primary);
    overflow-y: auto;
    padding: 12px;
}

.email-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.email-subject {
    color: var(--accent-primary);
    font-size: 16px;
    font-weight: bold;
}

.email-actions {
    display: flex;
    gap: 4px;
}

.btn-icon {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
    padding: 5px;
    cursor: pointer;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.email-sender {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    font-size: 11px;
}

.sender-info strong {
    color: var(--accent-primary);
}

.email-recipients {
    margin-bottom: 8px;
    padding: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    font-size: 11px;
    color: var(--text-secondary);
}

.email-attachments {
    margin-bottom: 8px;
    padding: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    font-size: 11px;
}

.attachment {
    display: inline-block;
    margin: 3px 4px;
    padding: 4px 8px;
    background: var(--bg-secondary);
    color: var(--accent-primary);
    font-size: 10px;
    border: 1px solid var(--border-color);
}

.attachment:hover {
    border-color: var(--accent-primary);
}

.email-body {
    line-height: 1.6;
    padding: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    font-size: 12px;
}

.no-email-selected {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 13px;
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    background: var(--bg-secondary);
    padding: 24px;
    border: 1px solid var(--border-accent);
    max-width: 380px;
    width: 100%;
}

.login-container h1 {
    color: var(--accent-secondary);
    text-align: center;
    margin-bottom: 6px;
    font-size: 18px;
}

.subtitle {
    text-align: center;
    color: var(--accent-primary);
    margin-bottom: 20px;
    font-style: italic;
    font-size: 12px;
}

.error {
    background: var(--error);
    color: var(--bg-primary);
    padding: 8px;
    margin-bottom: 12px;
    font-size: 11px;
    font-weight: bold;
    border: 1px solid var(--error);
}

.field {
    margin-bottom: 12px;
}

.field label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-size: 11px;
}

.field input {
    width: 100%;
    padding: 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 12px;
    font-family: inherit;
}

.field input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

button[type="submit"] {
    width: 100%;
    padding: 10px;
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: 1px solid var(--accent-primary);
    cursor: pointer;
    font-size: 13px;
    font-weight: bold;
}

button[type="submit"]:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.error-container {
    text-align: center;
    padding: 24px;
}

.error-container h1 {
    font-size: 48px;
    color: var(--accent-secondary);
    margin-bottom: 12px;
}

.error-container p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 13px;
}

.error-container a {
    color: var(--accent-primary);
    padding: 8px 16px;
    border: 1px solid var(--accent-primary);
    display: inline-block;
    font-size: 12px;
}

.error-container a:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}