/* =======================================
   Project Activity Plugin - Main Styles
   ======================================= */
@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    --pa-primary: #3182ce;
    --pa-primary-dark: #2b6cb0;
    --pa-success: #38a169;
    --pa-danger: #e53e3e;
    --pa-warning: #d69e2e;
    --pa-bg: #f7fafc;
    --pa-card: #ffffff;
    --pa-border: #e2e8f0;
    --pa-text: #2d3748;
    --pa-text-muted: #718096;
    --pa-radius: 8px;
    --pa-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
}

.pa-wrapper { font-family: 'Sarabun', sans-serif; color: var(--pa-text); line-height: 1.6; }

/* ===== TOOLBAR ===== */
.pa-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.25rem; }
.pa-search-box { display: flex; align-items: center; background: #fff; border: 1px solid var(--pa-border); border-radius: var(--pa-radius); padding: 0.4rem 0.75rem; gap: 0.5rem; min-width: 260px; }
.pa-search-box input { border: none !important; outline: none !important; box-shadow: none !important; padding: 0 !important; flex: 1; font-family: 'Sarabun', sans-serif; font-size: 0.9rem; }

/* ===== TABLE ===== */
.pa-table-wrap { overflow-x: auto; border-radius: var(--pa-radius); box-shadow: var(--pa-shadow); }
.pa-table { width: 100%; border-collapse: collapse; background: var(--pa-card); font-size: 0.9rem; }
.pa-table thead th { background: #edf2f7; color: var(--pa-text-muted); font-weight: 600; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.05em; padding: 12px 15px; text-align: left; border-bottom: 1px solid var(--pa-border); white-space: nowrap; }
.pa-table tbody td { padding: 11px 15px; border-bottom: 1px solid var(--pa-border); vertical-align: middle; }
.pa-table tbody tr:last-child td { border-bottom: none; }
.pa-table tbody tr:hover td { background: #f8fafc; }
.pa-table tfoot td { padding: 10px 15px; background: #edf2f7; font-weight: 700; }

/* ===== BADGES ===== */
.pa-badge { display: inline-block; padding: 3px 10px; border-radius: 9999px; font-size: 0.75rem; font-weight: 600; white-space: nowrap; }
.pa-badge-pending  { background: #fefcbf; color: #744210; }
.pa-badge-approved { background: #c6f6d5; color: #22543d; }
.pa-badge-rejected { background: #fed7d7; color: #742a2a; }
.pa-badge-completed{ background: #bee3f8; color: #2a4365; }
.pa-priority-high   { background:#fed7d7; color:#742a2a; }
.pa-priority-medium { background:#fefcbf; color:#744210; }
.pa-priority-low    { background:#c6f6d5; color:#22543d; }

/* ===== BUTTONS ===== */
.pa-btn { display: inline-flex; align-items: center; gap: 0.35rem; padding: 7px 14px; border-radius: 6px; font-size: 0.875rem; font-weight: 500; font-family: 'Sarabun', sans-serif; text-decoration: none; cursor: pointer; border: none; transition: all 0.2s; }
.pa-btn-primary  { background: var(--pa-primary); color: #fff; }
.pa-btn-primary:hover  { background: var(--pa-primary-dark); color: #fff; }
.pa-btn-success  { background: var(--pa-success); color: #fff; }
.pa-btn-success:hover  { background: #2f855a; color: #fff; }
.pa-btn-danger   { background: var(--pa-danger); color: #fff; }
.pa-btn-danger:hover   { background: #c53030; color: #fff; }
.pa-btn-secondary{ background: #edf2f7; color: var(--pa-text); border: 1px solid var(--pa-border); }
.pa-btn-secondary:hover{ background: #e2e8f0; color: var(--pa-text); }
.pa-btn-sm { padding: 4px 10px; font-size: 0.8rem; }

/* ===== FORMS ===== */
.pa-form-container { background: var(--pa-card); border-radius: 12px; box-shadow: var(--pa-shadow); padding: 2rem; max-width: 860px; margin: 0 auto; }
.pa-form-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.5rem; padding-bottom: 0.75rem; border-bottom: 2px solid var(--pa-border); }
.pa-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pa-form-grid .pa-full { grid-column: 1 / -1; }
.pa-form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.pa-form-group label { font-weight: 600; font-size: 0.9rem; color: #4a5568; }
.pa-form-group label .required { color: #e53e3e; }
.pa-form-group input[type="text"],
.pa-form-group input[type="number"],
.pa-form-group input[type="date"],
.pa-form-group select,
.pa-form-group textarea { width: 100%; padding: 0.55rem 0.75rem; border: 1px solid var(--pa-border); border-radius: 6px; font-size: 0.9rem; font-family: 'Sarabun', sans-serif; background: #fff; transition: border-color 0.2s, box-shadow 0.2s; box-sizing: border-box; }
.pa-form-group input:focus,
.pa-form-group select:focus,
.pa-form-group textarea:focus { outline: none; border-color: var(--pa-primary); box-shadow: 0 0 0 3px rgba(49,130,206,0.15); }
.pa-form-group textarea { min-height: 90px; resize: vertical; }
.pa-form-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--pa-border); }

/* ===== STATS ===== */
.pa-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.pa-stat-card { background: var(--pa-card); border-radius: 10px; padding: 1.25rem; box-shadow: var(--pa-shadow); border-left: 4px solid var(--pa-primary); }
.pa-stat-card.green  { border-color: var(--pa-success); }
.pa-stat-card.orange { border-color: #ed8936; }
.pa-stat-card.red    { border-color: var(--pa-danger); }
.pa-stat-label { font-size: 0.78rem; color: var(--pa-text-muted); font-weight: 500; margin-bottom: 0.3rem; text-transform: uppercase; letter-spacing: 0.04em; }
.pa-stat-value { font-size: 1.75rem; font-weight: 700; }

/* ===== SECTION CARD ===== */
.pa-section-card { background: var(--pa-card); border-radius: 10px; box-shadow: var(--pa-shadow); margin-bottom: 1.25rem; overflow: hidden; }
.pa-section-head { display: flex; align-items: center; justify-content: space-between; padding: 0.875rem 1.25rem; border-bottom: 1px solid var(--pa-border); font-weight: 600; font-size: 0.95rem; }
.pa-section-body { padding: 1.25rem; }

/* ===== NOTICES ===== */
.pa-notice { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.9rem; }
.pa-notice-success { background: #c6f6d5; color: #22543d; border-left: 4px solid var(--pa-success); }
.pa-notice-error   { background: #fed7d7; color: #742a2a; border-left: 4px solid var(--pa-danger); }

/* ===== KANBAN ===== */
.pa-kanban { display: flex; gap: 1rem; overflow-x: auto; padding-bottom: 1rem; }
.pa-kanban-col { min-width: 280px; background: #f7fafc; border-radius: 10px; padding: 0.75rem; flex-shrink: 0; border: 1px solid var(--pa-border); }
.pa-kanban-header { font-weight: 700; font-size: 0.9rem; padding: 0.4rem 0.4rem 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
.pa-kanban-count { background: #e2e8f0; border-radius: 9999px; padding: 1px 7px; font-size: 0.75rem; font-weight: 600; }
.pa-task-card { background: #fff; border-radius: 8px; padding: 0.875rem; margin-bottom: 0.6rem; box-shadow: 0 1px 3px rgba(0,0,0,0.06); border: 1px solid var(--pa-border); cursor: grab; transition: box-shadow 0.2s, transform 0.15s; }
.pa-task-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); transform: translateY(-1px); }
.pa-task-card.dragging { opacity: 0.4; cursor: grabbing; }
.pa-kanban-col.drag-over { border: 2px dashed var(--pa-primary); background: #ebf8ff; }
.pa-task-title   { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.3rem; }
.pa-task-project { font-size: 0.78rem; color: var(--pa-text-muted); margin-bottom: 0.5rem; }
.pa-task-meta    { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--pa-text-muted); margin-top: 0.5rem; }
.pa-progress-bar  { height: 4px; background: #e2e8f0; border-radius: 9999px; overflow: hidden; margin-top: 0.4rem; }
.pa-progress-fill { height: 100%; background: var(--pa-primary); border-radius: 9999px; }

/* ===== SETTINGS ===== */
.pa-settings-wrap { max-width: 800px; }
.pa-settings-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 1.5rem; }
.pa-tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; min-height: 42px; }
.pa-tag { display: inline-flex; align-items: center; gap: 0.4rem; background: #edf2f7; border-radius: 9999px; padding: 5px 14px; font-size: 0.85rem; border: 1px solid var(--pa-border); }
.pa-tag-remove { cursor: pointer; color: var(--pa-danger); font-weight: 700; line-height: 1; background: none; border: none; font-size: 1rem; padding: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .pa-form-grid { grid-template-columns: 1fr; }
    .pa-toolbar { flex-direction: column; align-items: stretch; }
    .pa-search-box { min-width: unset; }
    .pa-stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .pa-stats-grid { grid-template-columns: 1fr; }
    .pa-form-container { padding: 1rem; }
}