/* ============================================================
   CSS Variables & Reset
   ============================================================ */
:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-card-hover: #1a2744;
    --bg-surface: rgba(255, 255, 255, 0.03);
    --bg-modal: #1a1a2e;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-active: rgba(99, 102, 241, 0.5);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    --gradient-header: linear-gradient(135deg, #1e1b4b 0%, #1a1a2e 50%, #0f172a 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   Header
   ============================================================ */
.app-header {
    background: var(--gradient-header);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-icon {
    font-size: 28px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-header h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-badge {
    background: var(--accent);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-email {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.btn-refresh {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.btn-refresh:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
    transform: rotate(45deg);
}

.btn-refresh.spinning .material-icons-round {
    animation: spin 0.8s linear infinite;
}

/* Auto Create toggle (bat/tat RedmineService tu tao ticket) — port tu Electron public/style.css */
.auto-create-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.auto-create-toggle .material-icons-round {
    font-size: 16px;
}
.auto-create-toggle[data-state="unknown"] {
    opacity: 0.75;
    cursor: pointer;
}
.auto-create-toggle[data-state="on"] {
    background: rgba(46, 204, 113, 0.15);
    border-color: #2ecc71;
    color: #2ecc71;
}
.auto-create-toggle[data-state="off"] {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    color: var(--text-secondary);
}
.auto-create-toggle[data-state="busy"] {
    opacity: 0.7;
    cursor: wait;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================================
   Status Bar
   ============================================================ */
.status-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.status-info .material-icons-round {
    font-size: 18px;
    color: var(--accent);
}

.status-count {
    background: var(--accent-glow);
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* ============================================================
   Loading
   ============================================================ */
.loading-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 0;
    gap: 20px;
}

.loading-overlay.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay p {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

/* ============================================================
   Error Banner
   ============================================================ */
.error-banner {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    margin: 16px 32px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fca5a5;
    font-size: 13px;
    animation: slideDown 0.3s ease;
}

.error-banner .material-icons-round {
    color: var(--error);
    font-size: 20px;
}

.btn-dismiss {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   Email Container
   ============================================================ */
.email-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 32px;
}

.email-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* ============================================================
   Email Card
   ============================================================ */
.email-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 24px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: center;
    transition: all var(--transition);
    cursor: default;
    animation: fadeIn 0.3s ease;
}

.email-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-card);
    transform: translateY(-1px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.email-info {
    min-width: 0;
}

.email-subject {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.email-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
}

.email-meta-item .material-icons-round {
    font-size: 15px;
    color: var(--text-muted);
}

.email-meta-item.attachments .material-icons-round {
    color: var(--warning);
}

.email-preview {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 700px;
}

.email-actions {
    display: flex;
    flex-shrink: 0;
}

.btn-create-ticket {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-create-ticket:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-create-ticket:active {
    transform: translateY(0);
}

.btn-create-ticket .material-icons-round {
    font-size: 18px;
}

/* Date separator */
.date-separator {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0 8px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.date-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.date-separator .material-icons-round {
    font-size: 16px;
    color: var(--accent);
}

/* ============================================================
   Modal
   ============================================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInBackdrop 0.2s ease;
}

@keyframes fadeInBackdrop {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal {
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 720px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-modal);
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header h2 .material-icons-round {
    color: var(--accent);
    font-size: 24px;
}

.btn-close-modal {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.btn-close-modal:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.modal-body {
    padding: 24px 28px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L2 6h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    margin-top: 24px;
}

.btn {
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 4px 20px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

/* ============================================================
   Toast Notification
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-modal);
    animation: toastIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    min-width: 320px;
    max-width: 420px;
}

.toast.toast-success {
    border-left: 3px solid var(--success);
}

.toast.toast-success .material-icons-round {
    color: var(--success);
}

.toast.toast-error {
    border-left: 3px solid var(--error);
}

.toast.toast-error .material-icons-round {
    color: var(--error);
}

.toast.toast-out {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastOut {
    to {
        opacity: 0;
        transform: translateX(40px);
    }
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.empty-state .material-icons-round {
    font-size: 64px;
    color: var(--text-muted);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
    .app-header {
        padding: 12px 16px;
    }

    .app-header h1 {
        font-size: 16px;
    }

    .user-email {
        display: none;
    }

    .status-bar {
        padding: 8px 16px;
    }

    .email-container {
        padding: 16px;
    }

    .email-card {
        grid-template-columns: 1fr;
        padding: 14px 16px;
    }

    .email-actions {
        justify-content: flex-end;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .modal {
        width: 95%;
    }

    .modal-body {
        padding: 16px 20px;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.radio-group,
.checkbox-group {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: 6px;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.radio-label input,
.checkbox-label input {
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
}

/* ============================================================
   Tabs
   ============================================================ */
.tabs-bar {
    display: flex;
    gap: 16px;
    padding: 16px 32px 0 32px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
    position: sticky;
    top: 72px; /* Roughly header height */
    z-index: 90;
    backdrop-filter: blur(10px);
}

.tab-btn {
    background: none;
    border: none;
    padding: 12px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px 4px 0 0;
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-btn .material-icons-round {
    font-size: 18px;
}

.main-content {
    /* Container for tabs */
    position: relative;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* ============================================================
   Update Ticket Tab Styles
   ============================================================ */
.toolbar {
    margin-bottom: 16px;
    display: flex;
    justify-content: flex-end;
}

.ticket-list-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    min-height: 200px;
}

/* Tab Update Ticket: bảng 13 cột phải xem trọn trong MỘT màn hình, không cuộn ngang.
   Vì vậy tab này bỏ giới hạn `max-width: 1200px` của .email-container (giới hạn đó hợp
   với danh sách email một cột, nhưng bó bảng lại giữa màn hình rộng). */
#tabUpdateTicket {
    max-width: none;
}

/* We expect a table from Output.html, let's style it gently */
.ticket-list-container table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    color: var(--text-primary);
}

/* padding 8px (thay vì 12px): 13 cột nên mỗi 4px tiết kiệm được ~100px bề ngang bảng. */
.ticket-list-container th {
    text-align: left;
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-secondary);
}

.ticket-list-container td {
    padding: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: top;
}

/* Email Title và Subject: bề ngang CỐ ĐỊNH 20 ký tự (đơn vị `ch` = bề ngang chữ "0", nên
   20ch đúng bằng 20 ký tự 1 byte; chữ Nhật rộng gấp đôi nên được ~10 ký tự mỗi dòng).
   Tối đa 2 dòng, phần thừa cắt bằng "…"; hover vào ô hiện đủ text (thuộc tính title do
   app.js gán). Bề ngang đặt trên .clamp-inner chứ không phải trên <td>: Chromium bỏ qua
   width/max-width của table-cell ở table-layout auto, nhưng tôn trọng của khối bên trong. */
.clamp-cell {
    overflow-wrap: anywhere;
}

.clamp-inner {
    width: 20ch;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    overflow-wrap: anywhere;
}

.ticket-list-container tr:last-child td {
    border-bottom: none;
}

.ticket-list-container tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Make links in html content visible */
.ticket-list-container a {
    color: var(--accent);
    text-decoration: none;
}

.ticket-list-container a:hover {
    text-decoration: underline;
}

/* ============================================================ 
   Admin Mode Styles 
   ============================================================ */
/* Default: Hide admin buttons */
.btn-admin-only {
    display: none;
}

/* Show when container has admin-mode class */
.admin-mode .btn-admin-only {
    display: inline-flex; /* or inline-block, matching other buttons */
}

/* Action Buttons
   KHÔNG đặt display:flex lên chính <td>: khi đó nó thôi làm table-cell, trình duyệt bọc
   nó vào một anonymous cell và chiều rộng không còn khớp với <th> tương ứng — nút bị đẩy
   lệch ra ngoài viền bảng (lộ rõ sau khi thêm cột Malsy làm bảng chật lại). Giữ td là
   table-cell bình thường, giãn cách các nút bằng margin. */
.action-cell {
    white-space: nowrap;
}

.action-cell .btn-action {
    margin-right: 8px;
}

.action-cell .btn-action:last-child {
    margin-right: 0;
}

.send-cell {
    white-space: nowrap;
}

/* Test và Main mỗi thứ một dòng; không để "Test 100%" bị ngắt giữa nhãn và số. */
.malsy-cell {
    white-space: pre;
}

.btn-action {
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid transparent;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    background: #333;
    color: white;
    white-space: nowrap;
    transition: all 0.2s;
}

.btn-action:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: #1a1a2e; /* contrast text */
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-send-mail {
    background: var(--error);
    color: white;
}

.btn-done {
    background: var(--success);
    color: white;
}

.btn-action:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}