/* Mail System Styles - SCIPNET Style */
.mail-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    align-items: center;
    justify-content: center;
    /* Allow the mail window to scroll if content is taller than the viewport */
    overflow-y: auto;
}

.mail-modal.show {
    display: flex;
}

.mail-window {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* Make mail window a bit larger and easier to read */
    width: 900px;
    max-width: 95vw;
    min-height: 480px;
    max-height: 90vh;
}

.mail-window-titlebar {
    background: #1a1a1a;
    border-bottom: 1px solid #444;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: move;
    user-select: none;
    flex-shrink: 0;
}

.mail-window-title-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #d4af37;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #000;
    font-weight: bold;
}

.mail-window-title {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: normal;
    color: #fff;
    letter-spacing: 0.5px;
    flex: 1;
}

.mail-window-controls {
    display: flex;
    gap: 4px;
}

.mail-window-control {
    width: 20px;
    height: 20px;
    border: 1px solid #555;
    background: #3a3a3a;
    color: #fff;
    font-size: 14px;
    line-height: 18px;
    text-align: center;
    cursor: pointer;
    padding: 0;
    font-family: 'Courier New', monospace;
}

.mail-window-control:hover {
    background: #4a4a4a;
}

.mail-window-close:hover {
    background: #ff4444;
    color: white;
    border-color: #cc0000;
}

.mail-window-content {
    flex: 1;
    /* Allow inner layout to scroll vertically when needed */
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background: #2a2a2a;
}

/* Navigation Tabs */
.mail-nav-tabs {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 8px 12px;
    background: #1a1a1a;
    border-bottom: 1px solid #444;
    flex-shrink: 0;
}

.mail-nav-tab {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: #aaa;
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mail-nav-tab:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.mail-nav-tab.active {
    color: #4a9eff;
    border-bottom-color: #4a9eff;
    background: rgba(74, 158, 255, 0.1);
}

.mail-nav-count {
    color: #888;
    font-size: 11px;
}

.mail-nav-tab.active .mail-nav-count {
    color: #4a9eff;
}

.mail-new-message-btn {
    margin-left: auto;
    background: #4caf50;
    border: none;
    color: white;
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.mail-new-message-btn:hover {
    background: #45a049;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.mail-new-icon {
    font-size: 14px;
}

/* Search and Sort Bar */
.mail-search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: #1a1a1a;
    border-bottom: 1px solid #444;
    flex-shrink: 0;
}

.mail-search-input {
    flex: 1;
    background: #2a2a2a;
    border: 1px solid #444;
    color: #fff;
    padding: 6px 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    outline: none;
}

.mail-search-input:focus {
    border-color: #4a9eff;
    background: #333;
}

.mail-sort {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mail-sort-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: #aaa;
}

.mail-sort-select {
    background: #2a2a2a;
    border: 1px solid #444;
    color: #fff;
    padding: 4px 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    cursor: pointer;
    outline: none;
}

.mail-sort-select:focus {
    border-color: #4a9eff;
}

/* Main Content Area */
.mail-content-area {
    flex: 1;
    display: flex;
    overflow: hidden;
    /* Allow inner panes to shrink and scroll properly in flex layout */
    min-height: 0;
    background: #2a2a2a;
}

/* Left Pane: Message List */
.mail-list-pane {
    width: 45%;
    min-width: 320px;
    border-right: 1px solid #444;
    background: #1a1a1a;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mail-list {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.mail-loading {
    padding: 40px;
    text-align: center;
    color: #888;
    font-family: var(--font-mono);
    font-size: 11px;
}

.mail-item {
    padding: 12px;
    border-bottom: 1px solid #333;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #1a1a1a;
}

.mail-item:hover {
    background: #222;
}

.mail-item.selected {
    background: #2a3a4a;
    border-left: 3px solid #4a9eff;
}

.mail-item.unread {
    background: #1a1f2a;
    font-weight: 500;
}

.mail-item.unread .mail-item-subject {
    color: #fff;
    font-weight: 600;
}

.mail-item-icon {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.mail-item.unread .mail-item-icon {
    color: #ff9800;
}

.mail-item.read .mail-item-icon {
    color: #666;
}

.mail-item-content {
    flex: 1;
    min-width: 0;
}

.mail-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.mail-item-from {
    font-family: var(--font-mono);
    font-size: 14px;
    color: #fff;
    font-weight: 500;
}

.mail-item-date {
    font-family: var(--font-mono);
    font-size: 10px;
    color: #888;
    white-space: nowrap;
}

.mail-item-subject {
    font-family: var(--font-mono);
    font-size: 14px;
    color: #ccc;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mail-item-preview {
    font-family: var(--font-primary);
    font-size: 13px;
    color: #888;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mail-empty {
    padding: 60px 20px;
    text-align: center;
    color: #888;
}

.mail-empty-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.mail-empty-title {
    font-family: var(--font-mono);
    font-size: 13px;
    color: #aaa;
    margin-bottom: 8px;
}

.mail-empty-message {
    font-family: var(--font-primary);
    font-size: 11px;
    color: #888;
}

/* Right Pane: Message View */
.mail-view-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* Right pane itself scrolls when content is tall */
    overflow-y: auto;
    min-height: 0;
    background: #2a2a2a;
}

.mail-view-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-family: var(--font-mono);
    font-size: 12px;
}

.mail-view-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* Let the body grow; pane handles scrolling */
    overflow: visible;
    min-height: 0;
}

.mail-view-header {
    padding: 12px;
    border-bottom: 1px solid #444;
    display: flex;
    justify-content: flex-end;
    background: #1a1a1a;
    flex-shrink: 0;
}

.mail-view-actions {
    display: flex;
    gap: 8px;
}

.mail-view-btn {
    background: #3a3a3a;
    border: 1px solid #555;
    color: #fff;
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.mail-view-btn:hover {
    background: #4a4a4a;
    border-color: #666;
}

.mail-view-btn:first-child:hover {
    background: #5a3a3a;
    border-color: #ff4444;
    color: #ff4444;
}

.mail-view-body {
    flex: 1;
    padding: 20px;
    /* Body itself doesn't scroll; the pane does */
    overflow: visible;
    min-height: 0;
    color: #fff;
}

.mail-view-header-info {
    border-bottom: 1px solid #444;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.mail-view-field {
    margin-bottom: 8px;
    font-family: var(--font-mono);
    font-size: 13px;
}

.mail-view-label {
    color: #888;
    display: inline-block;
    width: 80px;
    font-size: 12px;
}

.mail-view-value {
    color: #fff;
}

.mail-view-body-content {
    font-family: var(--font-primary);
    font-size: 15px;
    line-height: 1.8;
    color: #ddd;
    white-space: pre-wrap;
    word-wrap: break-word;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid #4a9eff;
}

/* Compose Overlay */
.mail-compose-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.mail-compose-window {
    background: #2a2a2a;
    border: 1px solid #555;
    width: 600px;
    max-width: 90%;
    max-height: 80%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.9);
}

.mail-compose-header {
    padding: 12px;
    border-bottom: 1px solid #444;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1a1a1a;
}

.mail-compose-title {
    font-family: var(--font-mono);
    font-size: 13px;
    color: #fff;
    font-weight: 500;
}

.mail-compose-close {
    background: transparent;
    border: none;
    color: #aaa;
    font-size: 20px;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.mail-compose-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.mail-compose-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow-y: auto;
}

.mail-compose-field {
    margin-bottom: 15px;
}

.mail-compose-field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: #aaa;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mail-input,
.mail-textarea {
    width: 100%;
    background: #1a1a1a;
    border: 1px solid #444;
    color: #fff;
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 8px;
    box-sizing: border-box;
    transition: all 0.2s;
}

.mail-input:focus,
.mail-textarea:focus {
    outline: none;
    border-color: #4a9eff;
    background: #222;
}

.mail-textarea {
    resize: vertical;
    min-height: 200px;
    font-family: var(--font-primary);
    line-height: 1.6;
}

.mail-compose-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #444;
}

.mail-btn {
    background: #3a3a3a;
    border: 1px solid #555;
    color: #fff;
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
}

.mail-btn:hover {
    background: #4a4a4a;
    border-color: #666;
}

.mail-btn-primary {
    background: #4a9eff;
    border-color: #4a9eff;
    color: #fff;
}

.mail-btn-primary:hover {
    background: #5aaeff;
    border-color: #5aaeff;
}

.mail-error {
    margin-top: 15px;
    padding: 10px;
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid rgba(255, 68, 68, 0.3);
    border-left: 3px solid #ff4444;
    color: #ff4444;
    font-family: var(--font-mono);
    font-size: 11px;
    display: none;
}

.mail-error.show {
    display: block;
}

/* Scrollbars */
.mail-list::-webkit-scrollbar,
.mail-view-body::-webkit-scrollbar,
.mail-compose-form::-webkit-scrollbar {
    width: 8px;
}

.mail-list::-webkit-scrollbar-track,
.mail-view-body::-webkit-scrollbar-track,
.mail-compose-form::-webkit-scrollbar-track {
    background: #1a1a1a;
}

.mail-list::-webkit-scrollbar-thumb,
.mail-view-body::-webkit-scrollbar-thumb,
.mail-compose-form::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

.mail-list::-webkit-scrollbar-thumb:hover,
.mail-view-body::-webkit-scrollbar-thumb:hover,
.mail-compose-form::-webkit-scrollbar-thumb:hover {
    background: #555;
}