:root {
    --ptm-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --ptm-primary-color: #2271b1;
    --ptm-primary-hover: #135e96;
    --ptm-secondary-color: #2c3e50;
    --ptm-secondary-hover: #212f3c;
    --ptm-success-bg: rgba(40, 167, 69, 0.1);
    --ptm-success-text: #1d643b;
    --ptm-warning-bg: rgba(255, 193, 7, 0.1);
    --ptm-warning-text: #664d03;
    --ptm-danger-bg: rgba(220, 53, 69, 0.1);
    --ptm-danger-text: #842029;
    --ptm-border-color: #dee2e6;
    --ptm-card-bg: #ffffff;
    --ptm-body-bg: #f8f9fa;
    --ptm-card-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --ptm-border-radius: 6px;
}

body {
    font-family: var(--ptm-font-family);
}
.ptm-card {
    background-color: var(--ptm-card-bg);
    border: 1px solid var(--ptm-border-color);
    border-radius: var(--ptm-border-radius);
    box-shadow: var(--ptm-card-shadow);
    padding: 25px 30px;
    margin-bottom: 25px;
}

/* --- Buttons --- */
.ptm-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--ptm-border-radius);
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
}
.ptm-button-primary {
    background-color: var(--ptm-primary-color);
    color: white;
}
.ptm-button-primary:hover {
    background-color: var(--ptm-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* --- Form Styles --- */
.ptm-form-wrapper .ptm-form-title, .ptm-frontend-edit-wrapper .ptm-form-title {
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 24px;
    color: var(--ptm-secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}
.ptm-form-field {
    margin-bottom: 20px;
}
.ptm-form-wrapper label, .ptm-frontend-edit-wrapper label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
    color: #495057;
}
.ptm-form-wrapper input[type="text"], .ptm-form-wrapper textarea, .ptm-form-wrapper select, .ptm-frontend-edit-wrapper textarea, .ptm-frontend-edit-wrapper select, .ptm-frontend-edit-wrapper input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--ptm-border-color);
    border-radius: var(--ptm-border-radius);
    box-sizing: border-box;
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.ptm-form-wrapper input:disabled {
    background-color: #e9ecef;
    cursor: not-allowed;
}
.ptm-form-wrapper input:focus, .ptm-form-wrapper textarea:focus, .ptm-form-wrapper select:focus, .ptm-frontend-edit-wrapper textarea:focus, .ptm-frontend-edit-wrapper select:focus, .ptm-frontend-edit-wrapper input[type="text"]:focus {
    outline: none;
    border-color: var(--ptm-primary-color);
    box-shadow: 0 0 0 3px rgba(34, 113, 177, 0.15);
}
.ptm-form-wrapper .required {
    color: var(--ptm-danger-text);
}
.ptm-form-row {
    display: flex;
    gap: 20px;
}
.ptm-form-field-half {
    flex: 1;
}

/* --- Alert Styles --- */
.ptm-alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-left-width: 5px;
    border-radius: var(--ptm-border-radius);
}
.ptm-alert-success {
    color: var(--ptm-success-text);
    background-color: var(--ptm-success-bg);
    border-left-color: #28a745;
}
.ptm-alert-error {
    color: var(--ptm-danger-text);
    background-color: var(--ptm-danger-bg);
    border-left-color: #dc3545;
}
.ptm-alert-warning {
    color: var(--ptm-warning-text);
    background-color: var(--ptm-warning-bg);
    border-left-color: #ffc107;
}

/* --- Task Table Styles --- */
.ptm-task-table-wrapper {
    overflow-x: auto;
    background: var(--ptm-card-bg);
    border: 1px solid var(--ptm-border-color);
    border-radius: var(--ptm-border-radius);
    box-shadow: var(--ptm-card-shadow);
}
.ptm-task-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}
.ptm-task-table th, .ptm-task-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--ptm-border-color);
}
.ptm-task-table th {
    background-color: var(--ptm-body-bg);
    font-weight: 600;
    color: #343a40;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.ptm-task-table tbody tr {
    transition: background-color 0.15s ease-in-out;
}
.ptm-task-table tbody tr:last-child td {
    border-bottom: none;
}
.ptm-task-table tbody tr:hover {
    background-color: #f1f3f5;
}
.ptm-task-table a {
    color: var(--ptm-primary-color);
    font-weight: 600;
    text-decoration: none;
}
.ptm-task-table a:hover {
    text-decoration: underline;
}
tr.con-han td { border-left: 4px solid #28a745; }
tr.gan-den-han td { border-left: 4px solid #ffc107; }
tr.qua-han td { border-left: 4px solid #dc3545; }
.ptm-status-badge {
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #fff;
}
.status-chua_xu_ly { background-color: #6c757d; }
.status-dang_xu_ly { background-color: #0d6efd; }
.status-hoan_thanh { background-color: #198754; }
.pagination { margin: 25px 18px 15px; }

/* --- Report Styles --- */
.ptm-report-filters {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}
.ptm-report-filters label {
    font-weight: 600;
}
.ptm-report-filters select {
    padding: 8px 12px;
    border-radius: var(--ptm-border-radius);
    border: 1px solid var(--ptm-border-color);
}
.ptm-stats-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 25px;
}
.ptm-stats-table th, .ptm-stats-table td {
    padding: 12px;
    border: 1px solid var(--ptm-border-color);
}
.ptm-stats-table th {
    background-color: var(--ptm-body-bg);
    text-align: left;
}
.ptm-stats-table td {
    font-weight: 600;
    font-size: 18px;
}

/* --- LaDo AI & Leadership View Styles --- */
.ptm-ai-section {
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #f0f4f8, #e6e9ee);
    border: 1px solid #d1dce5;
    border-radius: var(--ptm-border-radius);
}
.ptm-ai-section h3, .ptm-leader-view-wrapper h1 {
    color: var(--ptm-secondary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}
.ptm-ai-section .dashicons, .ptm-leader-view-wrapper h1 .dashicons {
    color: var(--ptm-primary-color);
}
.ptm-leader-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px;
    background-color: var(--ptm-card-bg);
    border: 1px solid var(--ptm-border-color);
    border-radius: var(--ptm-border-radius);
    margin-bottom: 25px;
    align-items: flex-end;
}
.ptm-leader-filters .filter-item { flex: 1; min-width: 200px; }
.ptm-leader-filters .filter-search { flex: 2; }
.ptm-leader-filters label { font-weight: 600; margin-bottom: 8px; display: block; }
.ptm-leader-filters input, .ptm-leader-filters select, .ptm-leader-filters button { width: 100%; padding: 10px; border-radius: var(--ptm-border-radius); border: 1px solid var(--ptm-border-color); box-sizing: border-box; }
.ptm-leader-filters button { background: var(--ptm-primary-color); color: #fff; font-weight: 600; }
.ptm-ai-qna { margin-bottom: 25px; }
.ptm-ai-qna textarea { width: 100%; box-sizing: border-box; font-family: inherit; font-size: 15px; margin-bottom: 10px; }
.ptm-ai-qna button { background: var(--ptm-secondary-color); color: white; }
.ptm-ai-qna button:hover { background: var(--ptm-secondary-hover); }
.ai-answer-box { margin-top: 20px; padding: 20px; background-color: #fff; border-left: 5px solid var(--ptm-primary-color); border-radius: var(--ptm-border-radius); box-shadow: var(--ptm-card-shadow); }
.ai-answer-box h4 { margin-top: 0; color: var(--ptm-primary-color); }

/* --- Validation Error Styles --- */
.ptm-input-error { border-color: #dc3545 !important; }
.ptm-form-error-message { color: #dc3545; font-size: 13px; display: block; margin-top: 6px; }

/* --- Progress History Styles --- */
.ptm-history-wrapper { margin-top: 30px; background-color: var(--ptm-body-bg); }
.ptm-history-wrapper h3 { margin-top: 0; color: var(--ptm-secondary-color); display: flex; align-items: center; gap: 10px; }
.ptm-progress-history { list-style: none; padding: 0; margin: 0; border-left: 3px solid var(--ptm-border-color); }
.ptm-progress-history li { padding: 15px 20px; position: relative; margin-left: 20px; margin-bottom: 20px; background-color: var(--ptm-card-bg); border-radius: var(--ptm-border-radius); border: 1px solid var(--ptm-border-color); }
.ptm-progress-history li::before { content: ''; display: block; width: 15px; height: 15px; border-radius: 50%; background-color: var(--ptm-primary-color); border: 3px solid var(--ptm-body-bg); position: absolute; left: -30px; top: 20px; }
.ptm-progress-history .entry-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; margin-bottom: 10px; }
.ptm-progress-history .entry-meta .author { font-weight: 700; }
.ptm-progress-history .entry-meta .time { font-size: 13px; color: #6c757d; }
.ptm-progress-history .entry-note { font-size: 15px; line-height: 1.6; }
.ptm-progress-history .entry-deadline-change { margin-top: 10px; font-size: 13px; color: #495057; background-color: #e9ecef; display: inline-block; padding: 5px 10px; border-radius: 4px; }
.ptm-frontend-edit-wrapper { margin-top: 40px; border-top: 3px solid var(--ptm-primary-color); }
.ui-datepicker { z-index: 9999 !important; }

/* --- AI Dashboard Styles --- */
.ptm-ai-dashboard-wrapper { background-color: var(--ptm-card-bg); border: 1px solid var(--ptm-border-color); border-radius: var(--ptm-border-radius); box-shadow: var(--ptm-card-shadow); padding: 25px 30px; margin-bottom: 25px; }
.ptm-ai-dashboard-wrapper h2 { margin-top: 0; margin-bottom: 20px; font-size: 24px; color: var(--ptm-secondary-color); display: flex; align-items: center; gap: 10px; }
.ptm-ai-dashboard-wrapper h2 .dashicons { color: var(--ptm-primary-color); }
.ptm-ai-briefing-content { background: linear-gradient(135deg, #f0f4f8, #e6e9ee); border: 1px solid #d1dce5; border-radius: var(--ptm-border-radius); padding: 20px; font-size: 16px; line-height: 1.7; }
.ptm-ai-briefing-content p:first-child { margin-top: 0; }
.ptm-ai-briefing-content p:last-child { margin-bottom: 0; }

.ptm-input-error { border-color: #dc3545 !important; }
.ptm-form-error-message { color: #dc3545; font-size: 13px; display: block; margin-top: 6px; }
.ptm-history-wrapper { margin-top: 30px; background-color: var(--ptm-body-bg); }
.ptm-history-wrapper h3 { margin-top: 0; color: var(--ptm-secondary-color); display: flex; align-items: center; gap: 10px; }
.ptm-progress-history { list-style: none; padding: 0; margin: 0; border-left: 3px solid var(--ptm-border-color); }
.ptm-progress-history li { padding: 15px 20px; position: relative; margin-left: 20px; margin-bottom: 20px; background-color: var(--ptm-card-bg); border-radius: var(--ptm-border-radius); border: 1px solid var(--ptm-border-color); }
.ptm-progress-history li::before { content: ''; display: block; width: 15px; height: 15px; border-radius: 50%; background-color: var(--ptm-primary-color); border: 3px solid var(--ptm-body-bg); position: absolute; left: -30px; top: 20px; }
.ptm-progress-history .entry-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; margin-bottom: 10px; }
.ptm-progress-history .entry-meta .author { font-weight: 700; }
.ptm-progress-history .entry-meta .time { font-size: 13px; color: #6c757d; }
.ptm-progress-history .entry-note { font-size: 15px; line-height: 1.6; }
.ptm-progress-history .entry-deadline-change { margin-top: 10px; font-size: 13px; color: #495057; background-color: #e9ecef; display: inline-block; padding: 5px 10px; border-radius: 4px; }
.ptm-frontend-edit-wrapper { margin-top: 40px; border-top: 3px solid var(--ptm-primary-color); }
.ui-datepicker { z-index: 9999 !important; }
.ptm-ai-dashboard-wrapper { background-color: var(--ptm-card-bg); border: 1px solid var(--ptm-border-color); border-radius: var(--ptm-border-radius); box-shadow: var(--ptm-card-shadow); padding: 25px 30px; margin-bottom: 25px; }
.ptm-ai-dashboard-wrapper h2 { margin-top: 0; margin-bottom: 20px; font-size: 24px; color: var(--ptm-secondary-color); display: flex; align-items: center; gap: 10px; }
.ptm-ai-dashboard-wrapper h2 .dashicons { color: var(--ptm-primary-color); }
.ptm-ai-briefing-content { background: linear-gradient(135deg, #f0f4f8, #e6e9ee); border: 1px solid #d1dce5; border-radius: var(--ptm-border-radius); padding: 20px; font-size: 16px; line-height: 1.7; }
.ptm-ai-briefing-content p:first-child { margin-top: 0; }
.ptm-ai-briefing-content p:last-child { margin-bottom: 0; }

/* --- Attachments List Styles --- */
.ptm-attachments-wrapper { background-color: #fff; border-top: 3px solid #7e8993; }
.ptm-attachments-wrapper h3 { margin-top: 0; font-size: 20px; display: flex; align-items: center; gap: 10px; }
.ptm-attachment-list { list-style: none; padding: 0; margin: 0; }
.ptm-attachment-item { padding: 10px 0; border-bottom: 1px solid var(--ptm-border-color); }
.ptm-attachment-item:last-child { border-bottom: none; }
.ptm-attachment-item a { text-decoration: none; font-weight: 600; color: var(--ptm-primary-color); display: inline-flex; align-items: center; gap: 8px; }
.ptm-attachment-item a::before { content: "\f123"; font-family: "dashicons"; font-size: 18px; }
.ptm-attachment-item a:hover { text-decoration: underline; }
.entry-attachment-link { margin-top: 10px; font-size: 14px; background-color: #f0f0f1; display: inline-block; padding: 5px 10px; border-radius: 4px; }
.entry-attachment-link a { text-decoration: none; color: #3c434a; font-weight: 500; }
.entry-attachment-link .dashicons { font-size: 16px; vertical-align: middle; margin-right: 5px; }