/* ============================================================
   APP-CALCULADOR.CSS — Calculadora estilo Windows para CualityX
   Scoped: #win-calculador
   ============================================================ */

#win-calculador {
    --cal-bg: #0d0b1a;
    --cal-surface: rgba(22, 18, 42, 0.92);
    --cal-surface-2: rgba(30, 24, 56, 0.85);
    --cal-surface-3: rgba(40, 32, 72, 0.7);
    --cal-accent: #a78bfa;
    --cal-accent-dim: rgba(167, 139, 250, 0.15);
    --cal-accent-glow: rgba(167, 139, 250, 0.35);
    --cal-accent-2: #c084fc;
    --cal-accent-3: #7c3aed;
    --cal-text: #eee8ff;
    --cal-text-dim: rgba(238, 232, 255, 0.55);
    --cal-text-muted: rgba(238, 232, 255, 0.35);
    --cal-border: rgba(167, 139, 250, 0.12);
    --cal-border-hover: rgba(167, 139, 250, 0.28);
    --cal-success: #34d399;
    --cal-danger: #f87171;
    --cal-warning: #fbbf24;
    --cal-radius: 12px;
    --cal-radius-sm: 8px;
    --cal-radius-lg: 16px;
    --cal-transition: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --cal-font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --cal-font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    --cal-sidebar-w: 220px;
}

/* Hide native number spinners */
#win-calculador input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}
#win-calculador input[type="number"]::-webkit-outer-spin-button,
#win-calculador input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ── Layout ───────────────────────────────────────────────── */
#win-calculador .cal-root {
    display: flex;
    height: 100%;
    background: var(--cal-bg);
    font-family: var(--cal-font);
    color: var(--cal-text);
    overflow: hidden;
    position: relative;
}

/* ── Sidebar ──────────────────────────────────────────────── */
#win-calculador .cal-sidebar {
    width: var(--cal-sidebar-w);
    min-width: var(--cal-sidebar-w);
    background: var(--cal-surface);
    border-right: 1px solid var(--cal-border);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(16px);
    z-index: 2;
}

#win-calculador .cal-sidebar-header {
    padding: 18px 16px 14px;
    border-bottom: 1px solid var(--cal-border);
    display: flex;
    align-items: center;
    gap: 10px;
}
#win-calculador .cal-sidebar-header img {
    width: 30px; height: 30px; border-radius: 8px;
}
#win-calculador .cal-sidebar-header span {
    font-weight: 800; font-size: 16px; letter-spacing: -0.3px;
    background: linear-gradient(135deg, var(--cal-accent), var(--cal-accent-2));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

#win-calculador .cal-nav {
    padding: 10px 8px;
}
#win-calculador .cal-nav-btn {
    display: flex; align-items: center; gap: 10px; width: 100%;
    padding: 10px 14px; background: transparent; border: none;
    border-radius: var(--cal-radius-sm); color: var(--cal-text-dim);
    font-size: 13px; font-weight: 500; cursor: pointer;
    transition: all var(--cal-transition); text-align: left;
    margin-bottom: 2px; font-family: var(--cal-font);
}
#win-calculador .cal-nav-btn i { width: 18px; text-align: center; font-size: 13px; }
#win-calculador .cal-nav-btn:hover { background: var(--cal-accent-dim); color: var(--cal-text); }
#win-calculador .cal-nav-btn.active {
    background: linear-gradient(135deg, rgba(167,139,250,0.18), rgba(192,132,252,0.12));
    color: var(--cal-accent); font-weight: 700;
    box-shadow: inset 0 0 0 1px var(--cal-border-hover);
}

#win-calculador .cal-nav-sep { height: 1px; background: var(--cal-border); margin: 8px 14px; }

/* History in sidebar */
#win-calculador .cal-history-section {
    flex: 1; min-height: 0; display: flex; flex-direction: column;
    border-top: 1px solid var(--cal-border); overflow: hidden;
}
#win-calculador .cal-history-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px 4px;
}
#win-calculador .cal-history-title {
    font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--cal-text-muted); font-weight: 700;
}
#win-calculador .cal-history-clear {
    background: none; border: none; color: var(--cal-text-muted);
    cursor: pointer; font-size: 11px; padding: 4px 6px; border-radius: 6px;
    transition: all var(--cal-transition);
}
#win-calculador .cal-history-clear:hover { color: var(--cal-danger); background: rgba(248,113,113,0.1); }

#win-calculador #cal-history-list {
    flex: 1; overflow-y: auto; padding: 4px 8px 8px;
}
#win-calculador .cal-history-empty {
    padding: 8px 14px; font-size: 11px; opacity: 0.3;
}
#win-calculador .cal-history-item {
    padding: 6px 10px; font-size: 12px; color: var(--cal-text-dim);
    cursor: pointer; border-radius: var(--cal-radius-sm);
    transition: all var(--cal-transition); font-family: var(--cal-font-mono);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#win-calculador .cal-history-item:hover { background: var(--cal-accent-dim); color: var(--cal-accent); }
#win-calculador .cal-hist-expr { font-size: 11px; opacity: 0.6; overflow: hidden; text-overflow: ellipsis; }
#win-calculador .cal-hist-result { font-weight: 700; color: var(--cal-accent); font-size: 13px; }

/* ── Main Area ────────────────────────────────────────────── */
#win-calculador .cal-main {
    flex: 1; display: flex; flex-direction: column; min-width: 0; overflow: hidden; position: relative;
}
#win-calculador .cal-view {
    display: none; flex: 1; flex-direction: column; overflow: hidden;
}
#win-calculador .cal-view.active {
    display: flex; animation: calFadeIn 0.2s ease;
}
@keyframes calFadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ══════════════════════════════════════════════════════════════
   CALCULATOR VIEW — Multi-instance draggable calcs
   ══════════════════════════════════════════════════════════════ */
#win-calculador .calc-container {
    position: relative; overflow: hidden;
    flex: 1;
    background:
        radial-gradient(800px 400px at 30% 20%, rgba(167,139,250,0.06), transparent 50%),
        radial-gradient(600px 400px at 70% 80%, rgba(124,58,237,0.05), transparent 50%);
}

/* Calc instance — draggable panel */
#win-calculador .calc-instance {
    position: absolute;
    width: 300px;
    background: var(--cal-surface);
    border: 2px solid var(--cal-border);
    border-radius: var(--cal-radius-lg);
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow:
        0 12px 40px rgba(0,0,0,0.35),
        0 0 0 1px rgba(167,139,250,0.08);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    user-select: none;
}
#win-calculador .calc-instance.active {
    border-color: var(--cal-accent);
    box-shadow:
        0 16px 50px rgba(0,0,0,0.4),
        0 0 0 1px rgba(167,139,250,0.2),
        0 0 30px rgba(167,139,250,0.1);
}
#win-calculador .calc-instance.scientific { width: 420px; }

/* Titlebar for dragging */
#win-calculador .calc-titlebar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 6px 10px; cursor: grab;
    background: linear-gradient(180deg, rgba(167,139,250,0.08), transparent);
    border-bottom: 1px solid var(--cal-border);
    user-select: none;
}
#win-calculador .calc-titlebar:active { cursor: grabbing; }
#win-calculador .calc-titlebar-label {
    font-size: 11px; font-weight: 700; color: var(--cal-text-dim);
    display: flex; align-items: center; gap: 6px;
}
#win-calculador .calc-titlebar-label i { font-size: 10px; color: var(--cal-accent); }
#win-calculador .calc-close-btn {
    width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;
    border-radius: 50%; background: transparent; border: none;
    color: var(--cal-text-muted); cursor: pointer; font-size: 10px;
    transition: all var(--cal-transition);
}
#win-calculador .calc-close-btn:hover { background: var(--cal-danger); color: #fff; }

/* Add button */
#win-calculador .calc-add-btn {
    position: absolute; bottom: 16px; right: 16px; z-index: 10;
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--cal-accent-3), var(--cal-accent));
    border: none; color: #fff; font-size: 18px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 16px var(--cal-accent-glow);
    transition: all var(--cal-transition);
}
#win-calculador .calc-add-btn:hover { transform: scale(1.1); box-shadow: 0 6px 24px var(--cal-accent-glow); }
#win-calculador .calc-add-btn:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }

/* Legacy compat — keep .calc-panel rules for generated panels */
#win-calculador .calc-panel {
    transition: width var(--cal-transition);
}

/* Display */
#win-calculador .calc-display {
    padding: 16px 14px 10px;
    text-align: right;
    position: relative;
    background: linear-gradient(180deg, rgba(22,18,42,0.5), transparent);
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
#win-calculador .calc-memory-badge {
    position: absolute; top: 12px; left: 16px;
    font-size: 10px; background: var(--cal-accent-dim); color: var(--cal-accent);
    padding: 2px 8px; border-radius: 10px; font-weight: 700;
    opacity: 0; transition: opacity var(--cal-transition);
}
#win-calculador .calc-memory-badge.show { opacity: 1; }

#win-calculador .calc-expression {
    font-size: 14px; color: var(--cal-text-dim); font-family: var(--cal-font-mono);
    min-height: 22px; word-break: break-all; line-height: 1.3;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
#win-calculador .calc-result {
    font-size: 36px; font-weight: 200; color: var(--cal-text);
    font-family: var(--cal-font-mono); line-height: 1.1;
    margin-top: 4px; transition: font-size var(--cal-transition);
    word-break: break-all; min-height: 42px;
    display: flex; align-items: flex-end; justify-content: flex-end;
}
#win-calculador .calc-result.small { font-size: 26px; }
#win-calculador .calc-result.xsmall { font-size: 18px; }

/* Mode Toggle */
#win-calculador .calc-mode-toggle {
    display: flex; margin: 0 10px; background: var(--cal-surface-3);
    border-radius: var(--cal-radius-sm); overflow: hidden; border: 1px solid var(--cal-border);
}
#win-calculador .calc-mode-btn {
    flex: 1; padding: 8px; background: transparent; border: none;
    color: var(--cal-text-dim); font-size: 12px; font-weight: 600;
    cursor: pointer; transition: all var(--cal-transition); font-family: var(--cal-font);
}
#win-calculador .calc-mode-btn.active { background: var(--cal-accent-dim); color: var(--cal-accent); }
#win-calculador .calc-mode-btn:hover:not(.active) { color: var(--cal-text); }

/* ── Keypads ──────────────────────────────────────────────── */
#win-calculador .calc-keypad {
    display: grid; gap: 3px; padding: 8px 10px 10px;
}
#win-calculador .calc-keypad.standard { grid-template-columns: repeat(4, 1fr); }
#win-calculador .calc-keypad.scientific { grid-template-columns: repeat(5, 1fr); }

/* Keys — Windows Calculator style */
#win-calculador .calc-key {
    display: flex; align-items: center; justify-content: center;
    height: 40px; border-radius: var(--cal-radius-sm);
    border: none; font-size: 15px; font-weight: 400;
    cursor: pointer; transition: all var(--cal-transition);
    font-family: var(--cal-font); user-select: none;
    position: relative; overflow: hidden;
}

/* Ripple effect on press */
#win-calculador .calc-key.pressed::after {
    content: ''; position: absolute; inset: 0;
    background: rgba(167,139,250,0.2);
    border-radius: inherit;
    animation: calcRipple 0.3s ease-out;
}
@keyframes calcRipple { from { opacity: 1; } to { opacity: 0; } }

/* Number keys — lighter surface */
#win-calculador .calc-key.num {
    background: rgba(255,255,255,0.06);
    color: var(--cal-text);
    font-weight: 500;
    font-size: 16px;
}
#win-calculador .calc-key.num:hover {
    background: rgba(255,255,255,0.1);
}
#win-calculador .calc-key.num:active {
    background: rgba(255,255,255,0.14);
    transform: scale(0.97);
}

/* Operator keys */
#win-calculador .calc-key.op {
    background: rgba(167,139,250,0.1);
    color: var(--cal-accent);
    font-weight: 600;
    font-size: 16px;
}
#win-calculador .calc-key.op:hover { background: rgba(167,139,250,0.18); }
#win-calculador .calc-key.op:active { background: rgba(167,139,250,0.25); transform: scale(0.97); }

/* Function keys (CE, C, %, etc) */
#win-calculador .calc-key.fn {
    background: rgba(255,255,255,0.03);
    color: var(--cal-text-dim);
    font-size: 14px;
    font-weight: 600;
}
#win-calculador .calc-key.fn:hover { background: rgba(255,255,255,0.07); color: var(--cal-text); }
#win-calculador .calc-key.fn:active { background: rgba(255,255,255,0.1); transform: scale(0.97); }

/* Memory keys */
#win-calculador .calc-key.mem {
    background: transparent;
    color: var(--cal-text-muted);
    font-size: 11px;
    font-weight: 700;
    height: 28px;
}
#win-calculador .calc-key.mem:hover { background: rgba(167,139,250,0.08); color: var(--cal-accent); }

/* Scientific keys */
#win-calculador .calc-key.sci {
    background: rgba(124,58,237,0.08);
    color: var(--cal-accent-2);
    font-size: 12px;
    font-weight: 600;
    height: 36px;
}
#win-calculador .calc-key.sci:hover { background: rgba(124,58,237,0.16); }
#win-calculador .calc-key.sci:active { background: rgba(124,58,237,0.22); transform: scale(0.97); }

/* Equals key — accent gradient */
#win-calculador .calc-key.eq {
    background: linear-gradient(135deg, var(--cal-accent-3), var(--cal-accent));
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 4px 16px var(--cal-accent-glow);
}
#win-calculador .calc-key.eq:hover {
    box-shadow: 0 6px 24px var(--cal-accent-glow);
    filter: brightness(1.1);
}
#win-calculador .calc-key.eq:active {
    transform: scale(0.97);
    filter: brightness(0.95);
}

/* Scientific keypad smaller height */
#win-calculador .calc-keypad.scientific .calc-key.num,
#win-calculador .calc-keypad.scientific .calc-key.op,
#win-calculador .calc-keypad.scientific .calc-key.fn {
    height: 36px;
    font-size: 13px;
}
#win-calculador .calc-keypad.scientific .calc-key.eq { height: 36px; }

/* ══════════════════════════════════════════════════════════════
   LISTS VIEW
   ══════════════════════════════════════════════════════════════ */
#win-calculador .lists-container {
    display: flex; flex-direction: column; flex: 1; overflow: hidden;
}
#win-calculador .lists-tabs-bar {
    display: flex; align-items: center; gap: 6px;
    padding: 12px 16px; border-bottom: 1px solid var(--cal-border);
    background: var(--cal-surface); overflow-x: auto; flex-shrink: 0;
}
#win-calculador .lists-tabs-bar::-webkit-scrollbar { height: 3px; }
#win-calculador .lists-tab {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 14px; background: var(--cal-surface-3);
    border: 1px solid var(--cal-border); border-radius: 20px;
    color: var(--cal-text-dim); font-size: 12px; font-weight: 600;
    cursor: pointer; transition: all var(--cal-transition);
    white-space: nowrap; font-family: var(--cal-font);
}
#win-calculador .lists-tab .tab-color { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
#win-calculador .lists-tab:hover { border-color: var(--cal-border-hover); color: var(--cal-text); }
#win-calculador .lists-tab.active { background: var(--cal-accent-dim); border-color: var(--cal-accent); color: var(--cal-accent); }
#win-calculador .lists-tab-add {
    width: 30px; height: 30px; display: flex; align-items: center; justify-content: center;
    border-radius: 50%; background: var(--cal-surface-3);
    border: 1px dashed var(--cal-border); color: var(--cal-text-muted);
    cursor: pointer; transition: all var(--cal-transition); font-size: 14px; flex-shrink: 0;
}
#win-calculador .lists-tab-add:hover { border-color: var(--cal-accent); color: var(--cal-accent); background: var(--cal-accent-dim); }

/* Budget bar */
#win-calculador .lists-budget-bar {
    padding: 8px 16px; background: var(--cal-surface);
    border-bottom: 1px solid var(--cal-border);
    display: flex; align-items: center; gap: 12px; font-size: 12px; flex-shrink: 0;
}
#win-calculador .budget-track { flex: 1; height: 6px; border-radius: 3px; background: rgba(255,255,255,0.06); overflow: hidden; }
#win-calculador .budget-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--cal-accent), var(--cal-accent-2)); transition: width 0.4s ease; }
#win-calculador .budget-fill.over { background: linear-gradient(90deg, var(--cal-danger), #ef4444); }
#win-calculador .budget-text { color: var(--cal-text-dim); white-space: nowrap; font-weight: 600; }
#win-calculador .budget-text.over { color: var(--cal-danger); }

/* List toolbar */
#win-calculador .lists-toolbar {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 16px; border-bottom: 1px solid var(--cal-border);
    background: var(--cal-surface); flex-shrink: 0;
}
#win-calculador .lists-toolbar input {
    flex: 1; background: var(--cal-surface-3); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-sm); padding: 8px 12px; color: var(--cal-text);
    font-size: 13px; outline: none; font-family: var(--cal-font); transition: border-color var(--cal-transition);
}
#win-calculador .lists-toolbar input:focus { border-color: var(--cal-accent); }
#win-calculador .lists-toolbar input::placeholder { color: var(--cal-text-muted); }

/* Common button */
#win-calculador .cal-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 14px; background: var(--cal-accent-dim); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-sm); color: var(--cal-accent); font-size: 12px;
    font-weight: 600; cursor: pointer; transition: all var(--cal-transition);
    white-space: nowrap; font-family: var(--cal-font);
}
#win-calculador .cal-btn:hover { background: rgba(167,139,250,0.25); border-color: var(--cal-border-hover); }
#win-calculador .cal-btn.primary {
    background: linear-gradient(135deg, var(--cal-accent-3), var(--cal-accent));
    color: #fff; border: none; font-weight: 700;
}
#win-calculador .cal-btn.primary:hover { box-shadow: 0 4px 16px var(--cal-accent-glow); transform: translateY(-1px); }
#win-calculador .cal-btn.danger { background: rgba(248,113,113,0.1); color: var(--cal-danger); border-color: rgba(248,113,113,0.2); }

/* Items */
#win-calculador .lists-items { flex: 1; overflow-y: auto; padding: 12px 16px; }
#win-calculador .list-head-row {
    display: grid; grid-template-columns: 20px 1fr 64px 72px 86px 24px;
    gap: 10px; align-items: center; padding: 0 12px 6px;
    color: var(--cal-text-muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em;
}
#win-calculador .list-item {
    display: grid; grid-template-columns: 20px 1fr 64px 72px 86px 24px;
    align-items: center; gap: 10px; padding: 10px 12px;
    background: var(--cal-surface); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius); margin-bottom: 6px; transition: all var(--cal-transition);
}
#win-calculador .list-item:hover { border-color: var(--cal-border-hover); background: var(--cal-surface-2); }
#win-calculador .list-item.checked .item-name { text-decoration: line-through; opacity: 0.4; }
#win-calculador .list-item input[type="checkbox"] { accent-color: var(--cal-accent); width: 16px; height: 16px; cursor: pointer; }
#win-calculador .item-name {
    font-size: 13px; font-weight: 500; min-width: 0;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: default;
}
#win-calculador .item-cat-badge { font-size: 10px; padding: 2px 8px; border-radius: 10px; font-weight: 600; white-space: nowrap; }
#win-calculador .item-qty,
#win-calculador .item-price {
    width: 60px; text-align: center; background: var(--cal-surface-3);
    border: 1px solid var(--cal-border); border-radius: 6px; padding: 4px;
    color: var(--cal-text); font-size: 12px; font-family: var(--cal-font-mono);
    outline: none; transition: border-color var(--cal-transition);
}
#win-calculador .item-qty:focus,
#win-calculador .item-price:focus { border-color: var(--cal-accent); }
#win-calculador .item-subtotal {
    font-family: var(--cal-font-mono); font-size: 13px; font-weight: 700;
    color: var(--cal-accent); min-width: 70px; text-align: right;
}
#win-calculador .item-delete {
    width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
    border-radius: 6px; background: transparent; border: none;
    color: var(--cal-text-muted); cursor: pointer; transition: all var(--cal-transition); font-size: 12px;
}
#win-calculador .item-delete:hover { background: rgba(248,113,113,0.15); color: var(--cal-danger); }

/* Total bar */
#win-calculador .lists-total-bar {
    padding: 12px 16px; border-top: 1px solid var(--cal-border);
    background: var(--cal-surface); display: flex; align-items: center;
    justify-content: space-between; flex-shrink: 0;
}
#win-calculador .lists-total-label { font-size: 14px; font-weight: 700; color: var(--cal-text-dim); }
#win-calculador .lists-total-value {
    font-size: 22px; font-weight: 800; font-family: var(--cal-font-mono);
    background: linear-gradient(135deg, var(--cal-accent), var(--cal-accent-2));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ══════════════════════════════════════════════════════════════
   TOOLS VIEW
   ══════════════════════════════════════════════════════════════ */
#win-calculador .tools-container {
    flex: 1; overflow-y: auto; padding: 20px;
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px; align-content: start;
}
#win-calculador .tool-card {
    background: var(--cal-surface); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-lg); padding: 20px;
    backdrop-filter: blur(12px); transition: all var(--cal-transition);
}
#win-calculador .tool-card:hover { border-color: var(--cal-border-hover); box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
#win-calculador .tool-card-title {
    display: flex; align-items: center; gap: 10px;
    font-size: 15px; font-weight: 800; margin-bottom: 16px; color: var(--cal-text);
}
#win-calculador .tool-card-title i { color: var(--cal-accent); font-size: 16px; }
#win-calculador .tool-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
#win-calculador .tool-label { font-size: 12px; color: var(--cal-text-dim); min-width: 80px; font-weight: 600; }
#win-calculador .tool-input {
    flex: 1; background: var(--cal-surface-3); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-sm); padding: 8px 12px; color: var(--cal-text);
    font-size: 13px; font-family: var(--cal-font-mono); outline: none;
    transition: border-color var(--cal-transition);
}
#win-calculador .tool-input:focus { border-color: var(--cal-accent); }
#win-calculador .tool-result {
    margin-top: 12px; padding: 12px; background: var(--cal-accent-dim);
    border-radius: var(--cal-radius); border: 1px solid var(--cal-border-hover);
}
#win-calculador .tool-result-row {
    display: flex; justify-content: space-between; align-items: center; padding: 4px 0; font-size: 13px;
}
#win-calculador .tool-result-label { color: var(--cal-text-dim); }
#win-calculador .tool-result-value { font-weight: 700; font-family: var(--cal-font-mono); color: var(--cal-accent); }
#win-calculador .tool-result-value.big {
    font-size: 20px;
    background: linear-gradient(135deg, var(--cal-accent), var(--cal-accent-2));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
#win-calculador .tool-presets { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
#win-calculador .tool-preset {
    padding: 5px 12px; border-radius: 16px; background: var(--cal-surface-3);
    border: 1px solid var(--cal-border); color: var(--cal-text-dim);
    font-size: 12px; font-weight: 600; cursor: pointer;
    transition: all var(--cal-transition); font-family: var(--cal-font);
}
#win-calculador .tool-preset:hover,
#win-calculador .tool-preset.active {
    background: var(--cal-accent-dim); border-color: var(--cal-accent); color: var(--cal-accent);
}

/* ══════════════════════════════════════════════════════════════
   STATS VIEW
   ══════════════════════════════════════════════════════════════ */
#win-calculador .stats-container { flex: 1; overflow-y: auto; padding: 20px; }
#win-calculador .stats-kpis {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px; margin-bottom: 20px;
}
#win-calculador .stat-kpi {
    background: var(--cal-surface); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius); padding: 16px; text-align: center;
    transition: all var(--cal-transition);
}
#win-calculador .stat-kpi:hover { border-color: var(--cal-border-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
#win-calculador .stat-kpi-value {
    font-size: 24px; font-weight: 800; font-family: var(--cal-font-mono);
    background: linear-gradient(135deg, var(--cal-accent), var(--cal-accent-2));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1;
}
#win-calculador .stat-kpi-label {
    font-size: 11px; color: var(--cal-text-muted); text-transform: uppercase;
    letter-spacing: 1px; margin-top: 6px; font-weight: 600;
}

/* Chart */
#win-calculador .stats-chart {
    background: var(--cal-surface); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-lg); padding: 20px; margin-bottom: 20px;
}
#win-calculador .stats-chart-title { font-size: 14px; font-weight: 700; margin-bottom: 16px; }
#win-calculador .chart-bars { display: flex; align-items: flex-end; gap: 8px; height: 180px; padding-top: 10px; }
#win-calculador .chart-bar-wrapper { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 0; }
#win-calculador .chart-bar {
    width: 100%; max-width: 50px; border-radius: 6px 6px 0 0;
    transition: height 0.5s cubic-bezier(0.34,1.56,0.64,1); min-height: 4px; position: relative;
}
#win-calculador .chart-bar-value {
    position: absolute; top: -20px; left: 50%; transform: translateX(-50%);
    font-size: 10px; font-weight: 700; color: var(--cal-accent);
    font-family: var(--cal-font-mono); white-space: nowrap;
}
#win-calculador .chart-bar-label {
    font-size: 10px; color: var(--cal-text-muted); text-align: center;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; font-weight: 600;
}

/* Table */
#win-calculador .stats-table {
    background: var(--cal-surface); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-lg); overflow: hidden;
}
#win-calculador .stats-table table { width: 100%; border-collapse: collapse; }
#win-calculador .stats-table th {
    padding: 10px 14px; font-size: 11px; text-transform: uppercase;
    letter-spacing: 1px; color: var(--cal-text-muted); font-weight: 700;
    text-align: left; border-bottom: 1px solid var(--cal-border); background: var(--cal-surface-2);
}
#win-calculador .stats-table td { padding: 10px 14px; font-size: 13px; border-bottom: 1px solid var(--cal-border); }
#win-calculador .stats-table tr:last-child td { border-bottom: none; }
#win-calculador .stats-table tr:hover td { background: var(--cal-accent-dim); }

/* ══════════════════════════════════════════════════════════════
   MODALS
   ══════════════════════════════════════════════════════════════ */
#win-calculador .cal-modal-overlay {
    position: absolute; inset: 0; z-index: 100;
    background: rgba(6,4,16,0.7); backdrop-filter: blur(8px);
    display: none; align-items: center; justify-content: center; padding: 16px;
}
#win-calculador .cal-modal-overlay.show { display: flex; animation: calFadeIn 0.2s ease; }
#win-calculador .cal-modal {
    width: 100%; max-width: 400px; background: var(--cal-surface);
    border: 1px solid var(--cal-border); border-radius: var(--cal-radius-lg);
    padding: 24px; box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 40px rgba(167,139,250,0.08);
}
#win-calculador .cal-modal h3 { margin: 0 0 16px; font-size: 18px; font-weight: 800; }
#win-calculador .cal-modal-field { margin-bottom: 12px; }
#win-calculador .cal-modal-field label { display: block; font-size: 12px; color: var(--cal-text-dim); margin-bottom: 4px; font-weight: 600; }
#win-calculador .cal-modal-field input,
#win-calculador .cal-modal-field select {
    width: 100%; background: var(--cal-surface-3); border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-sm); padding: 10px 12px; color: var(--cal-text);
    font-size: 13px; outline: none; font-family: var(--cal-font);
    transition: border-color var(--cal-transition); box-sizing: border-box;
}
#win-calculador .cal-modal-field input:focus,
#win-calculador .cal-modal-field select:focus { border-color: var(--cal-accent); }
#win-calculador .cal-modal-colors { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
#win-calculador .cal-modal-color {
    width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
    border: 2px solid transparent; transition: all var(--cal-transition);
}
#win-calculador .cal-modal-color:hover { transform: scale(1.15); }
#win-calculador .cal-modal-color.selected { border-color: #fff; box-shadow: 0 0 12px var(--cal-accent-glow); }
#win-calculador .cal-modal-actions { display: flex; gap: 8px; margin-top: 16px; justify-content: flex-end; }

/* ── Empty State ──────────────────────────────────────────── */
#win-calculador .cal-empty {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 12px; padding: 40px; color: var(--cal-text-muted);
}
#win-calculador .cal-empty i { font-size: 42px; opacity: 0.3; }
#win-calculador .cal-empty span { font-size: 14px; }

/* ── Scrollbar ────────────────────────────────────────────── */
#win-calculador ::-webkit-scrollbar { width: 5px; height: 5px; }
#win-calculador ::-webkit-scrollbar-track { background: transparent; }
#win-calculador ::-webkit-scrollbar-thumb { background: rgba(167,139,250,0.18); border-radius: 4px; }
#win-calculador ::-webkit-scrollbar-thumb:hover { background: rgba(167,139,250,0.35); }

/* ── Context Menu ─────────────────────────────────────────── */
#win-calculador .cal-context-menu {
    position: fixed; z-index: 1000; min-width: 180px;
    background: var(--cal-surface); border: 1px solid var(--cal-border-hover);
    border-radius: var(--cal-radius); padding: 6px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.4); backdrop-filter: blur(20px);
    display: none; animation: calContextMenuFade 0.15s ease-out;
}
@keyframes calContextMenuFade {
    from { opacity: 0; transform: scale(0.95) translateY(-5px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
#win-calculador .cal-context-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 12px; font-size: 13px; color: var(--cal-text-dim);
    cursor: pointer; border-radius: var(--cal-radius-sm); transition: all var(--cal-transition);
}
#win-calculador .cal-context-item:hover { background: var(--cal-accent-dim); color: var(--cal-accent); }
#win-calculador .cal-context-item i { width: 16px; text-align: center; font-size: 14px; }
#win-calculador .cal-context-item.danger:hover { background: rgba(248,113,113,0.15); color: var(--cal-danger); }
#win-calculador .cal-context-sep { height: 1px; background: var(--cal-border); margin: 4px 6px; }

#win-calculador .item-name-edit {
    width: 100%; background: var(--cal-surface-3);
    border: 1px solid var(--cal-accent); border-radius: 6px;
    padding: 4px 8px; color: var(--cal-text); font-size: 13px; outline: none;
}

/* ═══════════════════════════════════════════════════════════
   TEMA CLARO — overrides (solo html[data-theme="light"]). Aditivo:
   no toca el tema oscuro por defecto. La mayoria se resuelve
   redefiniendo los tokens --cal-* en el scope #win-calculador;
   abajo se cubren los valores hardcodeados (gradientes, superficies
   rgba(255,255,255,...) de teclas, overlays oscuros, etc.).
   ═══════════════════════════════════════════════════════════ */
html[data-theme="light"] #win-calculador {
    --cal-bg: #eef1f7;
    --cal-surface: #ffffff;
    --cal-surface-2: #f5f6fb;
    --cal-surface-3: #f0f2f8;
    --cal-accent: #7c3aed;
    --cal-accent-dim: rgba(124, 58, 237, .12);
    --cal-accent-glow: rgba(124, 58, 237, .28);
    --cal-accent-2: #9333ea;
    --cal-accent-3: #7c3aed;
    --cal-text: #1e293b;
    --cal-text-dim: rgba(30, 41, 59, .6);
    --cal-text-muted: rgba(30, 41, 59, .42);
    --cal-border: rgba(0, 0, 0, .08);
    --cal-border-hover: rgba(124, 58, 237, .35);
}

/* Fondo de la calculadora (radiales oscuros -> claros) */
html[data-theme="light"] #win-calculador .calc-container {
    background:
        radial-gradient(800px 400px at 30% 20%, rgba(124,58,237,.05), transparent 50%),
        radial-gradient(600px 400px at 70% 80%, rgba(124,58,237,.04), transparent 50%);
}

/* Instancia de calculadora — sombra/glow mas suave */
html[data-theme="light"] #win-calculador .calc-instance {
    box-shadow: 0 12px 40px rgba(15,23,42,.12), 0 0 0 1px rgba(0,0,0,.05);
}
html[data-theme="light"] #win-calculador .calc-instance.active {
    box-shadow:
        0 16px 50px rgba(15,23,42,.16),
        0 0 0 1px rgba(124,58,237,.25),
        0 0 24px rgba(124,58,237,.12);
}

/* Display y titlebar (gradientes 180deg con rgba oscuro) */
html[data-theme="light"] #win-calculador .calc-display {
    background: linear-gradient(180deg, rgba(124,58,237,.05), transparent);
}
html[data-theme="light"] #win-calculador .calc-titlebar {
    background: linear-gradient(180deg, rgba(124,58,237,.06), transparent);
}

/* Teclas numericas — rgba(255,255,255,.06) seria invisible en blanco */
html[data-theme="light"] #win-calculador .calc-key.num {
    background: #f0f2f8;
    color: #1e293b;
}
html[data-theme="light"] #win-calculador .calc-key.num:hover { background: #e6e9f2; }
html[data-theme="light"] #win-calculador .calc-key.num:active { background: #dcdfeb; }

/* Teclas de operador — acento legible sobre blanco */
html[data-theme="light"] #win-calculador .calc-key.op {
    background: rgba(124,58,237,.1);
    color: #7c3aed;
}
html[data-theme="light"] #win-calculador .calc-key.op:hover { background: rgba(124,58,237,.18); }
html[data-theme="light"] #win-calculador .calc-key.op:active { background: rgba(124,58,237,.26); }

/* Teclas de funcion (CE, C, %, etc) */
html[data-theme="light"] #win-calculador .calc-key.fn {
    background: rgba(0,0,0,.035);
    color: var(--cal-text-dim);
}
html[data-theme="light"] #win-calculador .calc-key.fn:hover { background: rgba(0,0,0,.07); color: var(--cal-text); }
html[data-theme="light"] #win-calculador .calc-key.fn:active { background: rgba(0,0,0,.1); }

/* Teclas cientificas */
html[data-theme="light"] #win-calculador .calc-key.sci {
    background: rgba(124,58,237,.08);
    color: #7c3aed;
}
html[data-theme="light"] #win-calculador .calc-key.sci:hover { background: rgba(124,58,237,.16); }
html[data-theme="light"] #win-calculador .calc-key.sci:active { background: rgba(124,58,237,.22); }

/* Tecla de memoria */
html[data-theme="light"] #win-calculador .calc-key.mem:hover { background: rgba(124,58,237,.1); color: #7c3aed; }

/* Ripple */
html[data-theme="light"] #win-calculador .calc-key.pressed::after { background: rgba(124,58,237,.2); }

/* Boton agregar y tecla igual: gradiente de acento, texto blanco -> OK (se mantiene) */

/* Barras / pistas que usaban rgba(255,255,255,.06) */
html[data-theme="light"] #win-calculador .budget-track,
html[data-theme="light"] #win-calculador .stats-bar-mini { background: rgba(0,0,0,.06); }

/* Gradientes de texto -> solido oscuro (logo sidebar, totales, KPIs, big values) */
html[data-theme="light"] #win-calculador .cal-sidebar-header span,
html[data-theme="light"] #win-calculador .lists-total-value,
html[data-theme="light"] #win-calculador .tool-result-value.big,
html[data-theme="light"] #win-calculador .stat-kpi-value {
    background: none !important;
    -webkit-text-fill-color: #312e81 !important;
    color: #312e81;
}

/* Overlay de modal (era rgba(6,4,16,.7)) */
html[data-theme="light"] #win-calculador .cal-modal-overlay { background: rgba(15,23,42,.35); }
html[data-theme="light"] #win-calculador .cal-modal {
    background: #ffffff;
    box-shadow: 0 24px 64px rgba(15,23,42,.2), 0 0 30px rgba(124,58,237,.06);
}

/* Menu contextual y sombras */
html[data-theme="light"] #win-calculador .cal-context-menu {
    background: #ffffff;
    border-color: rgba(0,0,0,.1);
    box-shadow: 0 12px 32px rgba(15,23,42,.18);
}

/* Tarjetas/tablas — sombras de hover en oscuro -> suaves */
html[data-theme="light"] #win-calculador .tool-card:hover,
html[data-theme="light"] #win-calculador .stat-kpi:hover { box-shadow: 0 8px 24px rgba(15,23,42,.1); }

/* Inputs ya usan tokens (--cal-surface-3 -> #f0f2f8) y --cal-text -> #1e293b */

/* Placeholder oscuro mas legible */
html[data-theme="light"] #win-calculador .lists-toolbar input::placeholder { color: rgba(30,41,59,.4); }

/* Textos inline en el HTML que usan vars (--cal-warning/--cal-text-dim) ya
   quedan cubiertos por los tokens; los swatches de color del modal se
   conservan a proposito (son selectores de color de la lista). */