/* ============================================
   BUDGET CALCULATOR PRO - CSS
   Version 1.0
============================================ */

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

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

.bgt-wrap {
    --blue:        #0D9488;
    --darkblue:    #0F2A3D;
    --cyan:        #14B8A6;
    --amber:       #E8A33D;
    --red:         #E0554F;
    --grad:        #0D9488;
    --grad-soft:   rgba(13,148,136,0.08);
    --white:       #FFFFFF;
    --bg:          #F2F7F6;
    --card-bg:     #FFFFFF;
    --border:      rgba(13,148,136,0.14);
    --text:        #0F2A3D;
    --text-muted:  #5C7A80;
    --shadow-card: 0 32px 80px rgba(15,42,61,0.16), 0 8px 24px rgba(13,148,136,0.10);
    --shadow-btn:  0 12px 32px rgba(13,148,136,0.40);
    --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);
}

.bgt-blob { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: 0; }
.bgt-blob-1 { width: 380px; height: 380px; background: rgba(13,148,136,0.13); top: -100px; left: -100px; }
.bgt-blob-2 { width: 320px; height: 320px; background: rgba(15,42,61,0.09); bottom: 0; right: -100px; }

.bgt-shell {
    position: relative;
    z-index: 1;
    max-width: 1500px;
    margin: 0 auto;
}

/* ---- Header ---- */
.bgt-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;
}
.bgt-header::after { content: ''; position: absolute; width: 260px; height: 260px; background: rgba(255,255,255,0.06); border-radius: 50%; top: -100px; right: -60px; }
.bgt-header-left { display: flex; align-items: center; gap: 16px; position: relative; z-index: 1; }
.bgt-header-icon { width: 52px; height: 52px; 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); }
.bgt-header-text h1 { color: #fff; font-size: 21px; font-weight: 800; letter-spacing: -0.4px; }
.bgt-header-text p { color: rgba(255,255,255,0.78); font-size: 12.5px; margin-top: 4px; }
.bgt-header-right { position: relative; z-index: 1; }
.bgt-icon-btn { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.28); color: #fff; font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 700; border-radius: var(--radius-md); padding: 10px 16px; cursor: pointer; transition: background 0.2s; }
.bgt-icon-btn:hover { background: rgba(255,255,255,0.26); }

/* ---- Saved budgets panel ---- */
.bgt-history-panel { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; background: var(--card-bg); border-radius: var(--radius-xl); margin-bottom: 0; box-shadow: var(--shadow-card); }
.bgt-history-panel.bgt-history-open { max-height: 420px; overflow-y: auto; margin-bottom: 20px; }
.bgt-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); }
.bgt-history-close { background: none; border: none; font-size: 20px; color: var(--text-muted); cursor: pointer; line-height: 1; }
.bgt-history-list { padding: 14px 24px 20px; display: flex; flex-direction: column; gap: 10px; }
.bgt-history-empty { font-size: 13px; color: var(--text-muted); padding: 20px 0; text-align: center; }
.bgt-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; }
.bgt-history-item-main { min-width: 0; }
.bgt-history-item-name { font-size: 13.5px; font-weight: 700; color: var(--text); }
.bgt-history-item-sub { font-size: 11.5px; color: var(--text-muted); margin-top: 3px; }
.bgt-history-item-actions { display: flex; gap: 6px; flex-shrink: 0; }
.bgt-history-item-btn { border: 1.5px solid var(--border); background: var(--white); color: var(--blue); font-family: 'Inter', sans-serif; font-size: 11.5px; font-weight: 700; border-radius: 7px; padding: 6px 11px; cursor: pointer; }
.bgt-history-item-btn.bgt-danger { color: var(--red); }

/* ---- Setup card ---- */
.bgt-setup-card { 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; }
.bgt-setup-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: end; }
.bgt-setup-grid .bgt-field:nth-child(5) { grid-column: 1 / -1; }
.bgt-field label { display: block; font-size: 12px; font-weight: 700; color: var(--text-muted); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.4px; }
.bgt-optional { text-transform: none; font-weight: 500; opacity: 0.7; }
.bgt-input, .bgt-plain-input {
    width: 100%; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
    padding: 11px 14px; 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;
}
.bgt-input:focus, .bgt-plain-input:focus { border-color: var(--blue); }

/* Period tabs */
.bgt-period-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.bgt-period-tab { flex: 1; min-width: 80px; border: 1.5px solid var(--border); background: var(--white); color: var(--text-muted); font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 700; border-radius: 8px; padding: 10px 8px; cursor: pointer; transition: all 0.15s; text-align: center; }
.bgt-period-tab:hover { border-color: var(--blue); color: var(--blue); }
.bgt-period-tab.bgt-period-active { background: var(--grad); border-color: transparent; color: #fff; }

/* Combo (searchable dropdown) */
.bgt-combo { position: relative; }
.bgt-combo-input[readonly] { cursor: pointer; background: var(--white); }
.bgt-combo-panel { display: none; position: fixed; background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-md); box-shadow: 0 20px 50px rgba(15,42,61,0.22); max-height: 320px; overflow-y: auto; z-index: 9999; }
.bgt-combo-panel.bgt-combo-open { display: block; }
.bgt-combo-search-wrap { padding: 8px; position: sticky; top: 0; background: var(--white); border-bottom: 1px solid var(--border); }
.bgt-combo-search { width: 100%; border: 1.5px solid var(--border); border-radius: 7px; padding: 9px 12px; font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 600; color: var(--text); outline: none; }
.bgt-combo-search:focus { border-color: var(--blue); }
.bgt-combo-options { max-height: 220px; overflow-y: auto; }
.bgt-combo-option { padding: 10px 14px; font-size: 13px; font-weight: 600; color: var(--text); cursor: pointer; display: flex; align-items: center; gap: 8px; }
.bgt-combo-option:hover, .bgt-combo-option.bgt-combo-active { background: var(--grad-soft); }
.bgt-combo-option-sub { color: var(--text-muted); font-weight: 500; font-size: 11.5px; margin-left: auto; }
.bgt-combo-empty { padding: 12px 14px; font-size: 12.5px; color: var(--text-muted); }
.bgt-combo-addnew { padding: 10px 14px; font-size: 12.5px; font-weight: 700; color: var(--blue); cursor: pointer; border-bottom: 1px solid var(--border); }
.bgt-combo-addnew:hover { background: var(--grad-soft); }

/* ---- Top-level tabs ---- */
.bgt-toptabs { 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); }
.bgt-toptab { flex: 1; background: none; border: none; color: var(--text-muted); font-family: 'Inter', sans-serif; font-size: 13.5px; font-weight: 700; border-radius: var(--radius-md); padding: 12px; cursor: pointer; transition: all 0.15s; }
.bgt-toptab:hover { color: var(--blue); }
.bgt-toptab.bgt-toptab-active { background: var(--grad); color: #fff; }

/* ---- Main grid ---- */
.bgt-main-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; align-items: start; }

/* ---- Results Playground ---- */
.bgt-playground-filters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: end; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); padding: 22px; margin-bottom: 16px; }
.bgt-field-reset { display: flex; }
.bgt-field-reset .bgt-export-btn { white-space: nowrap; padding: 11px 16px; }
.bgt-playground-hint { font-size: 11.5px; color: var(--text-muted); margin-bottom: 16px; }
.bgt-pg-table-card { padding: 20px 22px; }
.bgt-pg-export-row { grid-template-columns: repeat(2, 1fr); max-width: 460px; margin-top: 16px; }
@media (max-width: 1100px) { .bgt-playground-filters { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 680px) { .bgt-playground-filters { grid-template-columns: 1fr 1fr; } }

/* People card */
.bgt-people-card { background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); border: 1px solid var(--border); padding: 18px 22px; margin-bottom: 18px; }
.bgt-people-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.bgt-people-title { font-size: 13.5px; font-weight: 800; color: var(--text); }
.bgt-people-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.bgt-add-chip { background: var(--grad-soft); border: 1.5px solid var(--border); color: var(--blue); font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 7px 14px; cursor: pointer; }
.bgt-people-list { display: flex; flex-wrap: wrap; gap: 8px; }
.bgt-person-chip { display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1.5px solid var(--border); border-radius: 999px; padding: 6px 8px 6px 14px; }
.bgt-person-chip input { border: none; background: none; font-family: 'Inter', sans-serif; font-size: 12.5px; font-weight: 700; color: var(--text); outline: none; width: 100px; }
.bgt-person-chip-remove { width: 20px; height: 20px; border-radius: 50%; border: none; background: rgba(224,85,79,0.12); color: var(--red); font-size: 14px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* Section card */
.bgt-section-card { background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); border: 1px solid var(--border); margin-bottom: 18px; overflow: hidden; }
.bgt-section-head { display: flex; align-items: center; gap: 10px; padding: 16px 22px; background: var(--grad-soft); }
.bgt-section-icon { font-size: 17px; }
.bgt-section-title-input { flex: 1; border: none; background: none; font-family: 'Inter', sans-serif; font-size: 14.5px; font-weight: 800; color: var(--text); outline: none; min-width: 0; }
.bgt-section-total { font-size: 14px; font-weight: 800; white-space: nowrap; }
.bgt-section-total.bgt-total-income { color: var(--blue); }
.bgt-section-total.bgt-total-expense { color: var(--red); }
.bgt-section-total.bgt-total-invest { color: var(--amber); }
.bgt-section-remove { width: 26px; height: 26px; border-radius: 50%; border: none; background: rgba(224,85,79,0.10); color: var(--red); font-size: 15px; cursor: pointer; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.bgt-section-body { padding: 14px 22px 20px; }

/* Row */
.bgt-row { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 9px; }
.bgt-row-line1 { display: grid; grid-template-columns: 70% 1fr; gap: 8px; margin-bottom: 8px; }
.bgt-row-line1 .bgt-row-label { width: 100%; min-width: 0; }
.bgt-row-line2 { display: grid; grid-template-columns: 1.6fr 1fr 30px; gap: 8px; align-items: center; }
.bgt-row-amount-wrap { display: flex; gap: 6px; min-width: 0; }
.bgt-row-amount { width: 100%; min-width: 0; }
.bgt-row-freq, .bgt-row-person, .bgt-row-date { border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 10px 6px; font-family: 'Inter', sans-serif; font-size: 11.5px; font-weight: 600; color: var(--text); background: var(--white); outline: none; width: 100%; min-width: 0; }
.bgt-row-freq { flex: 0 0 auto; width: 92px; }
.bgt-row-date { color: var(--text-muted); }
.bgt-row-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; }
@media (max-width: 680px) { .bgt-row-line1 { grid-template-columns: 1fr; } .bgt-row-line2 { grid-template-columns: 1fr 1fr; } .bgt-row-remove { grid-column: 2; justify-self: end; } }
.bgt-add-row-btn { background: none; border: 1.5px dashed var(--border); color: var(--blue); font-family: 'Inter', sans-serif; font-size: 12.5px; font-weight: 700; border-radius: var(--radius-sm); padding: 10px; width: 100%; cursor: pointer; margin-top: 4px; }
.bgt-add-row-btn:hover { background: var(--grad-soft); }

.bgt-add-section-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.bgt-add-section-btn { width: 100%; background: var(--white); border: 2px dashed var(--border); color: var(--blue); font-family: 'Inter', sans-serif; font-size: 12.5px; font-weight: 700; border-radius: var(--radius-lg); padding: 16px 8px; cursor: pointer; }
.bgt-add-section-btn:hover { background: var(--grad-soft); }
@media (max-width: 680px) { .bgt-add-section-row { grid-template-columns: 1fr 1fr; } }

/* ---- Result card ---- */
.bgt-result-card { background: var(--card-bg); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); border: 1px solid var(--border); padding: 24px; position: sticky; top: 20px; }
.bgt-result-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.bgt-result-badge { font-size: 13px; font-weight: 800; color: var(--text); }
.bgt-result-period-label { font-size: 11.5px; font-weight: 700; color: var(--blue); background: var(--grad-soft); padding: 5px 12px; border-radius: 999px; }

.bgt-due-card { background: var(--grad); border-radius: var(--radius-lg); padding: 22px; text-align: center; margin-bottom: 16px; position: relative; overflow: hidden; }
.bgt-due-card::after { content: ''; position: absolute; width: 160px; height: 160px; background: rgba(255,255,255,0.06); border-radius: 50%; top: -70px; right: -50px; }
.bgt-due-label { color: rgba(255,255,255,0.8); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; position: relative; }
.bgt-due-value { color: #fff; font-size: 34px; font-weight: 900; letter-spacing: -0.5px; margin: 6px 0; position: relative; }
.bgt-due-sub { color: rgba(255,255,255,0.85); font-size: 12px; font-weight: 500; position: relative; }

.bgt-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.bgt-stat-card { background: var(--bg); border-radius: var(--radius-md); padding: 14px; text-align: center; border: 1px solid var(--border); }
.bgt-stat-icon { font-size: 16px; margin-bottom: 4px; }
.bgt-stat-value { font-size: 16.5px; font-weight: 800; color: var(--text); }
.bgt-stat-label { font-size: 10.5px; font-weight: 600; color: var(--text-muted); margin-top: 2px; }

.bgt-chart-card { background: var(--bg); border-radius: var(--radius-md); border: 1px solid var(--border); padding: 16px; margin-bottom: 14px; }
.bgt-chart-title { font-size: 12.5px; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.bgt-chart-wrap { position: relative; height: 220px; }
.bgt-chart-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.bgt-legend-chip { display: flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 600; color: var(--text-muted); }
.bgt-legend-dot { width: 9px; height: 9px; border-radius: 3px; flex-shrink: 0; }

.bgt-breakdown-card { background: var(--bg); border-radius: var(--radius-md); border: 1px solid var(--border); padding: 16px; margin-bottom: 14px; }
.bgt-breakdown-title { font-size: 12.5px; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.bgt-table-wrap { overflow-x: auto; }
.bgt-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.bgt-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; }
.bgt-table td { padding: 8px; border-bottom: 1px solid var(--border); color: var(--text); font-weight: 600; white-space: nowrap; }
.bgt-table tr:last-child td { border-bottom: none; }

.bgt-actions-row { margin-bottom: 10px; }
.bgt-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); }
.bgt-export-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.bgt-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; }
.bgt-export-btn:hover { border-color: var(--blue); color: var(--blue); }

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

/* ---- Responsive ---- */
@media (max-width: 1180px) {
    .bgt-main-grid { grid-template-columns: 1fr; }
    .bgt-result-card { position: static; }
    .bgt-setup-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
    .bgt-setup-grid { grid-template-columns: 1fr; }
    .bgt-header { flex-direction: column; align-items: flex-start; }
    .bgt-row-head { display: none; }
    .bgt-row { grid-template-columns: 1fr; background: var(--bg); border-radius: var(--radius-sm); padding: 10px; position: relative; }
    .bgt-row-remove { position: absolute; top: 8px; right: 8px; }
    .bgt-export-row { grid-template-columns: 1fr; }
}