/* ============================================================
   COMPONENTS — card, nút, form, lịch, modal, kpi...
   ============================================================ */
.ai-card { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 16px; padding: 22px; box-shadow: var(--shadow-soft); }

.btn-primary { padding: 10px 18px; border: none; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 600; font-size: 13.5px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: 0.2s; white-space: nowrap; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-primary:active { transform: scale(0.96); }
.btn-icon { background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-main); border-radius: 8px; padding: 8px; font-size: 19px; cursor: pointer; line-height: 1; }
.btn-icon:hover { background: var(--accent-glow); color: var(--accent); }
.btn-ghost { background: transparent; border: 1px dashed var(--border-color); color: var(--text-muted); border-radius: 10px; padding: 9px 16px; font-size: 13px; cursor: pointer; }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }

.form-select, .form-input { width: 100%; padding: 10px 12px; border-radius: 9px; border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-main); margin-top: 5px; outline: none; font-size: 13.5px; }
.form-select:focus, .form-input:focus { border-color: var(--accent); }
label { font-size: 12.5px; color: var(--text-muted); font-weight: 500; }

.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.input-group { margin-bottom: 14px; display: flex; gap: 10px; align-items: center; }
.input-group input { flex: 1; padding: 10px 14px; border-radius: 9px; border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-main); outline: none; font-size: 13.5px; }
.data-list { list-style: none; display: flex; flex-direction: column; gap: 9px; max-height: 320px; overflow-y: auto; }
.data-item { display: flex; justify-content: space-between; align-items: center; padding: 11px 14px; background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 9px; font-size: 13.5px; }
.color-badge { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 9px; flex-shrink: 0; }
.btn-delete { color: var(--danger); background: none; border: none; font-size: 17px; cursor: pointer; flex-shrink: 0; }
.section-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin: 4px 0 12px; font-weight: 600; }

/* ---------- Toolbar chung ---------- */
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding: 14px 20px; flex-wrap: wrap; gap: 12px; }
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ---------- Lịch làm việc ---------- */
.calendar-container { padding: 0; overflow: hidden; }
.calendar-header-days { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; font-weight: 600; font-size: 12.5px; padding: 13px 0; background: var(--bg-card); border-bottom: 1px solid var(--border-color); color: var(--text-muted); }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); grid-auto-rows: minmax(108px, auto); }
.calendar-day { padding: 8px; border-right: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); min-height: 108px; display: flex; flex-direction: column; cursor: pointer; transition: background 0.15s; overflow: hidden; }
.calendar-day:hover { background: var(--bg-card); }
.calendar-day.empty { background: var(--bg-primary); cursor: default; }
.day-number { font-weight: 700; font-size: 14px; margin-bottom: 6px; color: var(--text-muted); }
.calendar-day.today .day-number { color: var(--accent); background: var(--accent-glow); display: inline-block; padding: 1px 8px; border-radius: 10px; width: fit-content; }
.day-content { display: flex; flex-direction: column; gap: 3px; overflow: hidden; }

.tag { font-size: 10.5px; font-weight: 600; padding: 3px 6px; border-radius: 5px; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-shadow: 0 1px 2px rgba(0,0,0,0.4); }
.tag-time { font-size: 10px; color: var(--text-muted); font-weight: 500; }
.tag-task { font-size: 10.5px; background: rgba(255,255,255,0.08); border: 1px dashed var(--border-color); padding: 3px 6px; border-radius: 5px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tag-ot { font-size: 10px; color: #fff; padding: 2px 6px; border-radius: 5px; display: inline-block; width: fit-content; }
.tag-trade { font-size: 10px; color: #fff; background: var(--warning); padding: 2px 6px; border-radius: 5px; display: inline-block; width: fit-content; }
.tag-help { font-size: 10px; color: #fff; background: var(--success); padding: 2px 6px; border-radius: 5px; display: inline-block; width: fit-content; }

/* ---------- Modal ---------- */
.modal-overlay { position: fixed; inset: 0; background: var(--modal-bg); z-index: 900; display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: 0.25s; backdrop-filter: blur(6px); padding: 20px; }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content { width: 100%; max-width: 420px; max-height: 90vh; overflow-y: auto; transform: translateY(-16px); transition: 0.25s; }
.modal-overlay.active .modal-content { transform: translateY(0); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; border-bottom: 1px solid var(--border-color); padding-bottom: 12px; }
.modal-header h3 { font-size: 16px; }
.btn-close-modal { background: none; border: none; font-size: 24px; color: var(--text-muted); cursor: pointer; line-height: 1; }
.btn-close-modal:hover { color: var(--danger); }
.modal-preview { background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 10px; padding: 12px 14px; font-size: 12.5px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.6; }
.modal-preview b { color: var(--text-main); }

/* ---------- Năng suất ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.input-group-col { display: flex; flex-direction: column; gap: 7px; }
.input-group-col label { font-size: 12.5px; color: var(--text-muted); font-weight: 500; }
.prod-input { font-size: 16px; font-weight: 600; text-align: center; }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.8); cursor: pointer; }
:root[data-theme="light"] input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0); }

/* ---------- Dashboard / KPI ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 4px; }
.kpi-card { display: flex; flex-direction: column; justify-content: center; padding: 18px 20px; }
.kpi-title { font-size: 12.5px; color: var(--text-muted); font-weight: 500; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.kpi-value { font-family: 'Orbitron', sans-serif; font-size: 24px; font-weight: 700; color: var(--accent); margin-bottom: 8px; }
.kpi-subtitle { font-size: 12px; color: var(--text-muted); margin-top: auto; }
.progress-container { width: 100%; height: 7px; background: var(--bg-primary); border-radius: 10px; margin-bottom: 8px; overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.5s ease; }
@media (max-width: 1100px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 992px) { .settings-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .kpi-grid { grid-template-columns: 1fr; } .prod-grid { grid-template-columns: 1fr; } }
/* ---------- Lịch làm việc nâng cấp + Lịch họp ---------- */
.schedule-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; align-items: start; }
.schedule-side { padding: 18px; position: sticky; top: 20px; max-height: calc(100vh - 150px); overflow-y: auto; }
.side-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-weight: 700; color: var(--text-main); margin-bottom: 12px; }
.side-head span { display: inline-flex; align-items: center; gap: 8px; }
.side-head b { min-width: 28px; height: 28px; border-radius: 999px; background: var(--accent-glow); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font-size: 12px; }
.meeting-head { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border-color); }
.schedule-agenda { display: flex; flex-direction: column; gap: 9px; }
.agenda-item { width: 100%; text-align: left; border: 1px solid var(--border-color); background: var(--bg-primary); color: var(--text-main); border-radius: 12px; padding: 10px 12px; cursor: pointer; display: grid; gap: 4px; }
.agenda-item:hover { border-color: var(--accent); background: var(--accent-glow); }
.agenda-item b { color: var(--accent); font-size: 12px; }
.agenda-item span { font-weight: 700; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.agenda-item small { color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.agenda-item.meeting b { color: #a78bfa; }
.empty-agenda { color: var(--text-muted); background: var(--bg-primary); border: 1px dashed var(--border-color); border-radius: 12px; padding: 14px; font-size: 12.5px; }
.calendar-day { border-radius: 0; gap: 6px; }
.calendar-day.today { box-shadow: inset 0 0 0 1px var(--accent); background: linear-gradient(180deg, var(--accent-glow), transparent 58%); }
.calendar-day.has-meeting { background-image: linear-gradient(135deg, rgba(124, 58, 237, 0.10), transparent 45%); }
.day-topline { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 5px; }
.day-status { font-size: 9.5px; font-weight: 800; letter-spacing: .2px; padding: 2px 7px; border-radius: 999px; }
.day-status.has-shift { background: rgba(16, 185, 129, .16); color: #34d399; }
.day-status.is-off { background: rgba(148, 163, 184, .12); color: var(--text-muted); }
.shift-card { border-left: 4px solid var(--shift-color); background: rgba(56, 189, 248, .10); border-radius: 9px; padding: 7px 8px; display: grid; gap: 2px; }
.shift-card b { color: #fff; font-size: 13px; }
:root[data-theme="light"] .shift-card b { color: var(--text-main); }
.shift-card span { color: var(--text-muted); font-size: 10.5px; }
.mini-pill, .meeting-chip, .more-chip { border: 0; width: 100%; border-radius: 8px; padding: 4px 7px; font-size: 10.5px; display: inline-flex; align-items: center; gap: 5px; color: var(--text-main); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-pill.task { background: rgba(56, 189, 248, .12); border: 1px dashed rgba(56, 189, 248, .35); color: var(--accent); }
.mini-pill.ot { background: rgba(239, 68, 68, .16); color: #fca5a5; }
.mini-pill.trade { background: rgba(245, 158, 11, .16); color: #fbbf24; }
.mini-pill.help { background: rgba(16, 185, 129, .16); color: #34d399; }
.meeting-chip { cursor: pointer; background: rgba(124, 58, 237, .18); color: #c4b5fd; text-align: left; }
.meeting-chip:hover { filter: brightness(1.15); }
.more-chip { justify-content: center; color: var(--text-muted); background: var(--bg-primary); }
.meeting-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.meeting-modal-content { max-width: 560px; }
.meeting-footer { margin-top: 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.btn-ghost.danger { color: var(--danger, #ef4444); border-color: rgba(239, 68, 68, .35); }
textarea.form-input { resize: vertical; min-height: 96px; }
@media (max-width: 1180px) { .schedule-layout { grid-template-columns: 1fr; } .schedule-side { position: static; max-height: none; } }
@media (max-width: 760px) { .schedule-google-config, .meeting-form-grid { grid-template-columns: 1fr; } }

/* ---------- Card nghiệp vụ dùng chung cho phần Cài Đặt gộp (Ca/PCCV/Email...) ---------- */
.ai-card.span-2 { grid-column: 1 / -1; }