/* ============================================
   CAO POINTS CALCULATOR - CSS
   Version 1.0
============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

.caopc-wrap * { box-sizing: border-box; margin: 0; padding: 0; }

.caopc-wrap {
    --blue:        #2D6A4F;
    --darkblue:    #1B3A2E;
    --cyan:        #52B788;
    --amber:       #E8A33D;
    --red:         #E0554F;
    --grad:        #2D6A4F;
    --grad-soft:   rgba(45,106,79,0.08);
    --white:       #FFFFFF;
    --bg:          #F1F7F3;
    --card-bg:     #FFFFFF;
    --border:      rgba(45,106,79,0.14);
    --text:        #1B3A2E;
    --text-muted:  #5C7A6B;
    --shadow-card: 0 32px 80px rgba(27,58,46,0.16), 0 8px 24px rgba(45,106,79,0.10);
    --shadow-btn:  0 12px 32px rgba(45,106,79,0.40);
    --radius-xl:   24px;
    --radius-lg:   16px;
    --radius-md:   12px;
    --radius-sm:   8px;
    font-family: 'Inter', sans-serif;
    position: relative;
    padding: 32px 20px 60px;
    background: var(--bg);
    min-height: 100%;
    color: var(--text);
}

.caopc-blob { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: 0; }
.caopc-blob-1 { width: 380px; height: 380px; background: rgba(45,106,79,0.13); top: -100px; left: -100px; }
.caopc-blob-2 { width: 320px; height: 320px; background: rgba(27,58,46,0.08); bottom: 0; right: -100px; }

.caopc-card { position: relative; z-index: 1; max-width: 860px; margin: 0 auto; }

/* ---- Header ---- */
.caopc-header { background: var(--grad); border-radius: var(--radius-xl); padding: 26px 32px; display: flex; align-items: center; justify-content: space-between; gap: 16px; position: relative; overflow: hidden; box-shadow: var(--shadow-card); margin-bottom: 20px; }
.caopc-header::after { content: ''; position: absolute; width: 260px; height: 260px; background: rgba(255,255,255,0.06); border-radius: 50%; top: -100px; right: -60px; }
.caopc-header-left { display: flex; align-items: center; gap: 16px; position: relative; z-index: 1; }
.caopc-header-icon { width: 50px; height: 50px; background: rgba(255,255,255,0.18); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; flex-shrink: 0; backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.25); }
.caopc-header-text h1 { color: #fff; font-size: 19px; font-weight: 800; letter-spacing: -0.4px; }
.caopc-header-text p { color: rgba(255,255,255,0.78); font-size: 12px; margin-top: 4px; }
.caopc-icon-btn { width: 40px; height: 40px; background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.28); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; position: relative; z-index: 1; transition: background 0.2s; }
.caopc-icon-btn:hover { background: rgba(255,255,255,0.26); }

/* ---- History panel ---- */
.caopc-history-panel { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; background: var(--card-bg); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); }
.caopc-history-panel.caopc-history-open { max-height: 420px; overflow-y: auto; margin-bottom: 20px; }
.caopc-history-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; font-size: 13px; font-weight: 800; color: var(--text); border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--card-bg); }
.caopc-history-close { background: none; border: none; font-size: 20px; color: var(--text-muted); cursor: pointer; line-height: 1; }
.caopc-history-list { padding: 14px 24px 20px; display: flex; flex-direction: column; gap: 10px; }
.caopc-history-empty { font-size: 13px; color: var(--text-muted); padding: 20px 0; text-align: center; }
.caopc-history-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-md); padding: 12px 16px; cursor: pointer; }
.caopc-history-item:hover { border-color: var(--blue); }
.caopc-history-item-name { font-size: 13.5px; font-weight: 700; color: var(--text); }
.caopc-history-item-sub { font-size: 11.5px; color: var(--text-muted); margin-top: 3px; }
.caopc-history-item-btn { border: 1.5px solid var(--border); background: var(--white); color: var(--red); font-family: 'Inter', sans-serif; font-size: 11.5px; font-weight: 700; border-radius: 7px; padding: 6px 11px; cursor: pointer; flex-shrink: 0; }

/* ---- Explainer ---- */
.caopc-explainer { background: var(--card-bg); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); border: 1px solid var(--border); margin-bottom: 20px; overflow: hidden; }
.caopc-explainer-toggle { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; background: var(--grad-soft); border: none; cursor: pointer; font-size: 13.5px; font-weight: 700; color: var(--text); font-family: 'Inter', sans-serif; }
.caopc-explainer-toggle svg { color: var(--blue); transition: transform 0.25s ease; flex-shrink: 0; }
#caopc_explainer_arrow.caopc-explainer-arrow-open { transform: rotate(180deg); }
.caopc-explainer-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; padding: 0 24px; }
.caopc-explainer-body.caopc-explainer-open { max-height: 420px; padding: 16px 24px; }
.caopc-explainer-body p { font-size: 12.5px; color: var(--text-muted); line-height: 1.65; margin-bottom: 10px; }
.caopc-explainer-body p:last-child { margin-bottom: 0; }
.caopc-explainer-body strong { color: var(--text); }

/* ---- Mode tabs ---- */
.caopc-mode-tabs { display: flex; gap: 8px; margin-bottom: 20px; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 6px; box-shadow: var(--shadow-card); }
.caopc-mode-tab { flex: 1; background: none; border: none; color: var(--text-muted); font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 700; border-radius: var(--radius-md); padding: 12px 8px; cursor: pointer; transition: all 0.15s; }
.caopc-mode-tab:hover { color: var(--blue); }
.caopc-mode-tab.caopc-mode-active { background: var(--grad); color: #fff; }

.caopc-mode-panel { background: var(--card-bg); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); border: 1px solid var(--border); padding: 24px 28px; margin-bottom: 20px; }

/* ---- Fields ---- */
.caopc-field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.caopc-field { margin-bottom: 16px; }
.caopc-field label { display: block; font-size: 12px; font-weight: 700; color: var(--text-muted); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.4px; }
.caopc-hint-inline { text-transform: none; font-weight: 500; opacity: 0.75; font-size: 11px; }
.caopc-input {
    width: 100%; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
    padding: 11px 12px; font-family: 'Inter', sans-serif; font-size: 13.5px; font-weight: 600; color: var(--text);
    background: var(--white); outline: none; transition: border-color 0.2s;
}
.caopc-input:focus { border-color: var(--blue); }

/* ---- Segmented toggle ---- */
.caopc-toggle-row { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; cursor: default; margin-bottom: 0; }
.caopc-toggle-row span:first-child { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.caopc-seg-toggle { display: flex; gap: 6px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 5px; width: 100%; }
.caopc-seg-btn { flex: 1; background: none; border: none; color: var(--text-muted); font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 700; border-radius: var(--radius-sm); padding: 9px 6px; cursor: pointer; }
.caopc-seg-btn:hover { color: var(--blue); }
.caopc-seg-btn.caopc-seg-active { background: var(--grad); color: #fff; }

/* ---- Toggle switch ---- */
.caopc-switch { position: relative; flex-shrink: 0; }
.caopc-switch input { position: absolute; opacity: 0; width: 42px; height: 24px; margin: 0; cursor: pointer; }
.caopc-switch-track { display: block; width: 42px; height: 24px; border-radius: 100px; background: var(--border); transition: background 0.2s; position: relative; }
.caopc-switch-track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: white; box-shadow: 0 1px 3px rgba(0,0,0,0.3); transition: transform 0.2s; }
.caopc-switch input:checked + .caopc-switch-track { background: var(--blue); }
.caopc-switch input:checked + .caopc-switch-track::after { transform: translateX(18px); }

/* ---- Note box ---- */
.caopc-note-box { background: rgba(232,163,61,0.12); border: 1.5px solid rgba(232,163,61,0.4); border-radius: var(--radius-md); padding: 12px 14px; font-size: 12px; color: var(--text); line-height: 1.55; margin-bottom: 14px; }
.caopc-note-box strong { color: var(--text); }

/* ---- Clear-all row ---- */
.caopc-clear-all-row { display: flex; justify-content: flex-end; margin-bottom: 10px; }
.caopc-clear-all-btn { background: var(--white); border: 1.5px solid var(--border); color: var(--text-muted); font-family: 'Inter', sans-serif; font-size: 11.5px; font-weight: 700; border-radius: var(--radius-sm); padding: 7px 12px; cursor: pointer; }
.caopc-clear-all-btn:hover { border-color: var(--red); color: var(--red); }

/* ---- Subject rows ---- */
.caopc-subject-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.caopc-subject-row { background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-md); padding: 14px; position: relative; transition: border-color 0.2s, background 0.2s; }
.caopc-subject-row.caopc-subject-counts { border-color: var(--blue); background: var(--grad-soft); }
.caopc-subject-row-top { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.caopc-subject-name { flex: 1; }
.caopc-subject-remove { width: 30px; height: 30px; border-radius: 50%; border: none; background: rgba(224,85,79,0.10); color: var(--red); font-size: 15px; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.caopc-subject-row-fields { display: grid; grid-template-columns: 1fr 1fr 1fr 90px; gap: 10px; align-items: end; }
.caopc-subject-field label { display: block; font-size: 10px; font-weight: 700; color: var(--text-muted); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.3px; }
.caopc-subject-points-val { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 13px; font-weight: 800; color: var(--blue); text-align: center; }
.caopc-maths-check-label { display: flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; color: var(--text); text-transform: none; cursor: pointer; height: 42px; }
.caopc-maths-check-label input { accent-color: var(--blue); width: 15px; height: 15px; cursor: pointer; flex-shrink: 0; }
.caopc-subject-badge { display: inline-block; margin-top: 10px; background: var(--blue); color: #fff; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.4px; border-radius: 100px; padding: 4px 10px; }

.caopc-add-row-btn { width: 100%; background: var(--white); border: 2px dashed var(--border); color: var(--blue); font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 700; border-radius: var(--radius-md); padding: 12px; cursor: pointer; margin-bottom: 6px; }
.caopc-add-row-btn:hover { background: var(--grad-soft); }

/* ---- Report details toggle + display ---- */
.caopc-report-panel { padding: 18px 20px; margin-bottom: 16px; }
.caopc-report-fields { margin-top: 14px; margin-bottom: 0; }
.caopc-report-fields .caopc-field:last-child { margin-bottom: 0; }
.caopc-report-display { text-align: center; margin-bottom: 14px; }
.caopc-report-display-name { font-size: 16px; font-weight: 900; color: var(--text); }
.caopc-report-display-custom { font-size: 12.5px; color: var(--text-muted); margin-top: 3px; }

/* ---- LCVP card ---- */
.caopc-lcvp-card { background: var(--grad-soft); border: 1.5px dashed var(--blue); border-radius: var(--radius-md); padding: 14px 16px; margin-top: 12px; }
.caopc-lcvp-head { margin-bottom: 0; }
.caopc-lcvp-body { margin-top: 12px; }
.caopc-hint-note { font-size: 11px; color: var(--text-muted); line-height: 1.5; margin-top: 8px; }

/* ---- Checkbox inline (shared) ---- */
.caopc-check-inline { display: flex; align-items: center; gap: 9px; font-size: 12.5px; font-weight: 600; color: var(--text); cursor: pointer; text-transform: none; }
.caopc-check-inline input { accent-color: var(--blue); width: 16px; height: 16px; cursor: pointer; flex-shrink: 0; }

/* ---- Compare scenarios ---- */
.caopc-compare-scenarios { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.caopc-scenario-card { background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-md); padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.caopc-scenario-name { font-size: 13.5px; font-weight: 800; color: var(--text); }
.caopc-scenario-points { font-size: 20px; font-weight: 900; color: var(--blue); margin-top: 2px; }
.caopc-scenario-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.caopc-scenario-remove { border: 1.5px solid var(--border); background: var(--white); color: var(--red); font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 700; border-radius: 7px; padding: 6px 11px; cursor: pointer; flex-shrink: 0; }

/* ---- Result ---- */
.caopc-result { background: var(--card-bg); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); border: 1px solid var(--border); padding: 24px 28px; }
.caopc-result-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.caopc-result-badge { font-size: 13px; font-weight: 800; color: var(--text); }
.caopc-input-recap { font-size: 12px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.5; }
.caopc-input-recap:empty { display: none; margin: 0; }

.caopc-due-card { background: var(--grad); border-radius: var(--radius-lg); padding: 22px; text-align: center; margin-bottom: 16px; position: relative; overflow: hidden; }
.caopc-due-card::after { content: ''; position: absolute; width: 160px; height: 160px; background: rgba(255,255,255,0.06); border-radius: 50%; top: -70px; right: -50px; }
.caopc-due-label { color: rgba(255,255,255,0.8); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; position: relative; }
.caopc-due-value { color: #fff; font-size: 36px; font-weight: 900; letter-spacing: -0.5px; margin: 6px 0; position: relative; word-break: break-word; }
.caopc-due-sub { color: rgba(255,255,255,0.85); font-size: 12px; font-weight: 500; position: relative; }

.caopc-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
.caopc-stats:empty { display: none; margin-bottom: 0; }
.caopc-stat-card { background: var(--bg); border-radius: var(--radius-md); padding: 14px; text-align: center; border: 1px solid var(--border); }
.caopc-stat-icon { font-size: 16px; margin-bottom: 4px; }
.caopc-stat-value { font-size: 15.5px; font-weight: 800; color: var(--text); word-break: break-word; }
.caopc-stat-label { font-size: 10.5px; font-weight: 600; color: var(--text-muted); margin-top: 2px; }

/* ---- Chart bars ---- */
.caopc-chart-card { background: var(--bg); border-radius: var(--radius-md); border: 1px solid var(--border); padding: 16px; margin-bottom: 14px; }
.caopc-chart-title { font-size: 12.5px; font-weight: 800; color: var(--text); margin-bottom: 14px; }
.caopc-chart-bars { display: flex; flex-direction: column; gap: 10px; }
.caopc-chart-row { display: grid; grid-template-columns: 110px 1fr 50px; gap: 10px; align-items: center; }
.caopc-chart-label { font-size: 11.5px; font-weight: 700; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.caopc-chart-track { background: var(--white); border: 1px solid var(--border); border-radius: 100px; height: 16px; overflow: hidden; }
.caopc-chart-fill { height: 100%; background: var(--grad); border-radius: 100px; transition: width 0.4s ease; }
.caopc-chart-fill.caopc-chart-excluded { background: var(--text-muted); opacity: 0.4; }
.caopc-chart-val { font-size: 11.5px; font-weight: 800; color: var(--blue); text-align: right; }

.caopc-breakdown-card { background: var(--bg); border-radius: var(--radius-md); border: 1px solid var(--border); padding: 16px; margin-bottom: 14px; }
.caopc-breakdown-title { font-size: 12.5px; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.caopc-table-wrap { overflow-x: auto; }
.caopc-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.caopc-table th { text-align: left; font-weight: 700; color: var(--text-muted); padding: 6px 8px; border-bottom: 1.5px solid var(--border); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.3px; white-space: nowrap; }
.caopc-table td { padding: 8px; border-bottom: 1px solid var(--border); color: var(--text); font-weight: 600; white-space: nowrap; }
.caopc-table tr:last-child td { border-bottom: none; }
.caopc-table tr.caopc-table-total td { font-weight: 800; color: var(--blue); border-top: 2px solid var(--border); }
.caopc-table tr.caopc-row-excluded td { color: var(--text-muted); font-weight: 500; }

.caopc-actions-row { margin-bottom: 10px; }
.caopc-save-btn { width: 100%; background: var(--grad); color: #fff; border: none; font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 800; border-radius: var(--radius-md); padding: 14px; cursor: pointer; box-shadow: var(--shadow-btn); }
.caopc-export-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.caopc-export-btn { background: var(--white); border: 1.5px solid var(--border); color: var(--text); font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 700; border-radius: var(--radius-sm); padding: 11px 6px; cursor: pointer; }
.caopc-export-btn:hover { border-color: var(--blue); color: var(--blue); }

.caopc-footer-note { font-size: 10.5px; color: var(--text-muted); text-align: center; line-height: 1.5; }

/* ---- Responsive ---- */
@media (max-width: 780px) {
    .caopc-field-grid { grid-template-columns: 1fr; }
    .caopc-stats { grid-template-columns: 1fr 1fr; }
    .caopc-subject-row-fields { grid-template-columns: 1fr 1fr; }
    .caopc-seg-toggle { flex-direction: column; }
    .caopc-chart-row { grid-template-columns: 80px 1fr 40px; }
    .caopc-scenario-card { flex-direction: column; align-items: flex-start; }
}