/*!
 * Scientific Calculator — module CSS (e2z-sci- prefix).
 * Color scheme (spec): Primary #1E293B (scientific slate), Secondary #0F172A,
 * Accent #3B82F6 (function blue), BG #F8FAFC.
 * Scope: .e2z-tool-scientific-calculator (framework shortcode wrapper).
 */

.e2z-tool-scientific-calculator,
.e2z-tool-scientific-calculator *,
.e2z-tool-scientific-calculator *::before,
.e2z-tool-scientific-calculator *::after {
	box-sizing: border-box;
}

.e2z-tool-scientific-calculator .e2z-sci-container {
	font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
	line-height: 1.5;
	color: #0F172A;
	width: 100%;
	margin: 0 auto;
	background: #F8FAFC;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(30, 41, 59, 0.16);
	overflow: hidden;
}

.e2z-tool-scientific-calculator .e2z-sci-mono,
.e2z-tool-scientific-calculator .e2z-sci-expr,
.e2z-tool-scientific-calculator .e2z-sci-out,
.e2z-tool-scientific-calculator .e2z-sci-key,
.e2z-tool-scientific-calculator .e2z-sci-hist-item {
	font-family: 'SF Mono', 'Courier New', ui-monospace, Menlo, Consolas, monospace;
}

.e2z-tool-scientific-calculator .e2z-sci-header {
	padding: 22px 16px;
	background: linear-gradient(135deg, #0F172A, #1E293B);
	color: #fff;
	text-align: center;
	border-bottom: 3px solid #3B82F6;
}
.e2z-tool-scientific-calculator .e2z-sci-title {
	font-size: 1.45rem;
	font-weight: 700;
	margin: 0 0 4px;
	color: #fff;
}
.e2z-tool-scientific-calculator .e2z-sci-subtitle {
	font-size: 0.82rem;
	opacity: 0.85;
	margin: 0;
}

.e2z-tool-scientific-calculator .e2z-sci-main-grid {
	display: flex;
	flex-direction: column;
	gap: 20px;
	padding: 16px;
}
@media (min-width: 1024px) {
	.e2z-tool-scientific-calculator .e2z-sci-main-grid {
		flex-direction: row;
		align-items: flex-start;
	}
	.e2z-tool-scientific-calculator .e2z-sci-calc-panel { flex: 3; min-width: 0; }
	.e2z-tool-scientific-calculator .e2z-sci-side-panel { flex: 2; min-width: 260px; }
}

.e2z-tool-scientific-calculator .e2z-sci-calc-panel,
.e2z-tool-scientific-calculator .e2z-sci-side-panel {
	background: #FFFFFF;
	border-radius: 12px;
	padding: 16px;
	border: 1px solid #E2E8F0;
	box-shadow: 0 2px 8px rgba(30, 41, 59, 0.05);
	min-width: 0;
}
.e2z-tool-scientific-calculator .e2z-sci-section-title {
	font-size: 0.95rem;
	font-weight: 600;
	color: #1E293B;
	margin: 14px 0 8px;
	padding-bottom: 6px;
	border-bottom: 2px solid #DBEAFE;
}
.e2z-tool-scientific-calculator .e2z-sci-side-panel > .e2z-sci-section-title:first-child { margin-top: 0; }

/* Display */
.e2z-tool-scientific-calculator .e2z-sci-display {
	background: #0F172A;
	border-radius: 10px;
	padding: 12px 14px;
	margin-bottom: 12px;
	border-bottom: 3px solid #3B82F6;
}
.e2z-tool-scientific-calculator .e2z-sci-display-meta {
	display: flex;
	gap: 6px;
	margin-bottom: 6px;
	min-height: 20px;
}
.e2z-tool-scientific-calculator .e2z-sci-mode-badge,
.e2z-tool-scientific-calculator .e2z-sci-mem-badge {
	font-size: 0.66rem;
	font-weight: 800;
	padding: 2px 8px;
	border-radius: 999px;
	background: #1E293B;
	color: #60A5FA;
	font-family: 'Inter', system-ui, sans-serif;
	letter-spacing: 0.5px;
}
.e2z-tool-scientific-calculator .e2z-sci-mem-badge { background: #3B82F6; color: #fff; }
.e2z-tool-scientific-calculator .e2z-sci-expr {
	width: 100%;
	background: transparent;
	border: none;
	color: #CBD5E1;
	font-size: 1.05rem;
	padding: 4px 0;
	min-height: 34px;
	outline: none;
	text-align: right;
	word-break: break-all;
}
.e2z-tool-scientific-calculator .e2z-sci-expr::placeholder { color: #475569; }
.e2z-tool-scientific-calculator .e2z-sci-out {
	color: #60A5FA;
	font-size: 1.75rem;
	font-weight: 800;
	text-align: right;
	min-height: 42px;
	word-break: break-all;
	line-height: 1.25;
}
.e2z-tool-scientific-calculator .e2z-sci-out-error { color: #F87171; font-size: 0.95rem; font-weight: 600; }

/* Controls */
.e2z-tool-scientific-calculator .e2z-sci-controls {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	justify-content: space-between;
	margin-bottom: 12px;
}
.e2z-tool-scientific-calculator .e2z-sci-toggle,
.e2z-tool-scientific-calculator .e2z-sci-mem-group {
	display: inline-flex;
	gap: 4px;
	background: #F1F5F9;
	padding: 4px;
	border-radius: 8px;
	flex-wrap: wrap;
}
.e2z-tool-scientific-calculator .e2z-sci-mode-btn,
.e2z-tool-scientific-calculator .e2z-sci-mem-btn {
	min-height: 40px;
	min-width: 46px;
	padding: 8px 12px;
	border: none;
	border-radius: 6px;
	background: transparent;
	color: #475569;
	font-family: inherit;
	font-size: 0.78rem;
	font-weight: 700;
	cursor: pointer;
}
.e2z-tool-scientific-calculator .e2z-sci-mode-active { background: #1E293B; color: #60A5FA; }
.e2z-tool-scientific-calculator .e2z-sci-mem-btn:hover { background: #DBEAFE; color: #1D4ED8; }

/* Keypad */
.e2z-tool-scientific-calculator .e2z-sci-keypad {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 6px;
	margin-bottom: 12px;
}
.e2z-tool-scientific-calculator .e2z-sci-key {
	min-height: 46px;
	padding: 10px 4px;
	border: 1px solid #E2E8F0;
	border-radius: 8px;
	background: #fff;
	color: #1E293B;
	font-size: 0.88rem;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.1s ease;
}
.e2z-tool-scientific-calculator .e2z-sci-key:hover { background: #F1F5F9; border-color: #3B82F6; }
.e2z-tool-scientific-calculator .e2z-sci-key:active { background: #DBEAFE; }
.e2z-tool-scientific-calculator .e2z-sci-key-fn { background: #F8FAFC; color: #1D4ED8; font-size: 0.8rem; }
.e2z-tool-scientific-calculator .e2z-sci-key-op { background: #EFF6FF; color: #1D4ED8; }
.e2z-tool-scientific-calculator .e2z-sci-key-clear { background: #FEF2F2; color: #DC2626; }
.e2z-tool-scientific-calculator .e2z-sci-key-eq {
	background: #3B82F6;
	color: #fff;
	grid-column: span 2;
	font-size: 1.05rem;
	font-weight: 800;
}
.e2z-tool-scientific-calculator .e2z-sci-key-eq:hover { background: #2563EB; }

/* Log base row */
.e2z-tool-scientific-calculator .e2z-sci-logbase-row { margin-bottom: 4px; }
.e2z-tool-scientific-calculator .e2z-sci-label {
	font-size: 0.82rem;
	font-weight: 600;
	color: #1E293B;
	margin-bottom: 4px;
	display: block;
}
.e2z-tool-scientific-calculator .e2z-sci-inline { display: flex; gap: 8px; }
.e2z-tool-scientific-calculator .e2z-sci-input {
	width: 100%;
	min-height: 44px;
	padding: 10px 12px;
	border: 1px solid #E2E8F0;
	border-radius: 6px;
	font-size: 0.92rem;
	background: #fff;
	color: #0F172A;
	font-family: inherit;
}
.e2z-tool-scientific-calculator .e2z-sci-input:focus {
	outline: none;
	border-color: #3B82F6;
	box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}
.e2z-tool-scientific-calculator .e2z-sci-logbase { max-width: 120px; }
.e2z-tool-scientific-calculator .e2z-sci-logbase-btn,
.e2z-tool-scientific-calculator .e2z-sci-clear-hist-btn {
	min-height: 44px;
	padding: 10px 16px;
	border: 1px solid #3B82F6;
	border-radius: 8px;
	background: #EFF6FF;
	color: #1D4ED8;
	font-family: inherit;
	font-size: 0.82rem;
	font-weight: 600;
	cursor: pointer;
	white-space: nowrap;
}
.e2z-tool-scientific-calculator .e2z-sci-logbase-btn:hover,
.e2z-tool-scientific-calculator .e2z-sci-clear-hist-btn:hover { background: #3B82F6; color: #fff; }
.e2z-tool-scientific-calculator .e2z-sci-clear-hist-btn { width: 100%; margin-top: 8px; }
.e2z-tool-scientific-calculator .e2z-sci-hint {
	font-size: 0.72rem;
	color: #94A3B8;
	margin: 6px 0 0;
	line-height: 1.45;
	display: block;
}

/* Constants */
.e2z-tool-scientific-calculator .e2z-sci-consts {
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
}
.e2z-tool-scientific-calculator .e2z-sci-const-btn {
	min-height: 38px;
	padding: 8px 12px;
	border: 1px solid #E2E8F0;
	border-radius: 999px;
	background: #fff;
	color: #1E293B;
	font-family: 'SF Mono', monospace;
	font-size: 0.76rem;
	font-weight: 600;
	cursor: pointer;
}
.e2z-tool-scientific-calculator .e2z-sci-const-btn:hover { border-color: #3B82F6; color: #1D4ED8; background: #EFF6FF; }

/* History */
.e2z-tool-scientific-calculator .e2z-sci-history {
	max-height: 260px;
	overflow-y: auto;
	border: 1px solid #E2E8F0;
	border-radius: 8px;
	background: #F8FAFC;
}
.e2z-tool-scientific-calculator .e2z-sci-history-empty {
	padding: 16px;
	text-align: center;
	color: #94A3B8;
	font-size: 0.82rem;
}
.e2z-tool-scientific-calculator .e2z-sci-hist-item {
	display: block;
	width: 100%;
	text-align: right;
	padding: 8px 10px;
	border: none;
	border-bottom: 1px solid #E2E8F0;
	background: transparent;
	cursor: pointer;
	font-size: 0.8rem;
	color: #475569;
}
.e2z-tool-scientific-calculator .e2z-sci-hist-item:hover { background: #EFF6FF; }
.e2z-tool-scientific-calculator .e2z-sci-hist-expr { display: block; color: #94A3B8; font-size: 0.74rem; }
.e2z-tool-scientific-calculator .e2z-sci-hist-val { display: block; color: #1D4ED8; font-weight: 700; font-size: 0.92rem; }

.e2z-tool-scientific-calculator .e2z-sci-export-row {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-top: 12px;
}
.e2z-tool-scientific-calculator .e2z-sci-print-btn,
.e2z-tool-scientific-calculator .e2z-sci-copy-btn {
	flex: 1;
	min-height: 44px;
	padding: 11px;
	border: none;
	border-radius: 8px;
	color: #fff;
	font-family: inherit;
	font-size: 0.84rem;
	font-weight: 600;
	cursor: pointer;
}
.e2z-tool-scientific-calculator .e2z-sci-print-btn { background: #0F172A; }
.e2z-tool-scientific-calculator .e2z-sci-copy-btn { background: #3B82F6; }
.e2z-tool-scientific-calculator .e2z-sci-print-btn:hover,
.e2z-tool-scientific-calculator .e2z-sci-copy-btn:hover { filter: brightness(1.25); }

.e2z-tool-scientific-calculator .e2z-sci-disclaimer {
	font-size: 0.74rem;
	color: #94A3B8;
	margin: 12px 0 0;
	line-height: 1.45;
}

.e2z-tool-scientific-calculator .e2z-sci-hidden { display: none !important; }

@media (max-width: 480px) {
	.e2z-tool-scientific-calculator .e2z-sci-title { font-size: 1.12rem; }
	.e2z-tool-scientific-calculator .e2z-sci-main-grid { padding: 12px; }
	.e2z-tool-scientific-calculator .e2z-sci-out { font-size: 1.4rem; }
	.e2z-tool-scientific-calculator .e2z-sci-key { min-height: 44px; font-size: 0.8rem; padding: 8px 2px; }
	.e2z-tool-scientific-calculator .e2z-sci-key-fn { font-size: 0.72rem; }
	.e2z-tool-scientific-calculator .e2z-sci-side-panel { min-width: 100%; }
}
@media (max-width: 360px) {
	.e2z-tool-scientific-calculator .e2z-sci-header { padding: 16px 10px; }
	.e2z-tool-scientific-calculator .e2z-sci-title { font-size: 1rem; }
	.e2z-tool-scientific-calculator .e2z-sci-keypad { gap: 4px; }
	.e2z-tool-scientific-calculator .e2z-sci-key { font-size: 0.74rem; }
}

/* ═══════════════════════════════════════════════════════════════════
 * SIMPLE SINGLE-PAGE LAYOUT + ADVANCED TOOLS
 * Calculator hamesha dikhta hai; advanced tools uske NEECHE ek saade
 * dropdown se khulte hain. Koi tab nahi, koi hidden keypad page nahi.
 * Base styling 320px se shuru; badi screens sirf min-width se add-on.
 * ═══════════════════════════════════════════════════════════════════ */

/* ── Display: mobile par upar pinned rehta hai ── */
.e2z-tool-scientific-calculator .e2z-sci-display-wrap {
	position: sticky;
	top: 0;
	z-index: 5;
	margin: -4px -4px 10px;
	padding: 4px;
	background: #F8FAFC;
}
.e2z-tool-scientific-calculator .e2z-sci-display { box-shadow: 0 2px 10px rgba(15, 23, 42, 0.14); }
.e2z-tool-scientific-calculator .e2z-sci-natural {
	font-family: 'SF Mono', 'Courier New', ui-monospace, monospace;
	font-size: 0.78rem;
	color: #94A3B8;
	margin-top: 4px;
	min-height: 1em;
	word-break: break-word;
	text-align: right;
}
.e2z-tool-scientific-calculator .e2z-sci-notation-badge {
	display: inline-block;
	font-size: 0.62rem;
	font-weight: 800;
	letter-spacing: 0.04em;
	padding: 2px 7px;
	border-radius: 999px;
	background: #1D4ED8;
	color: #DBEAFE;
	margin-left: 5px;
}

/* ── Notation toggle buttons (angle toggle jaisa hi look) ── */
.e2z-tool-scientific-calculator .e2z-sci-notation-btn {
	flex: 1;
	min-height: 44px;
	min-width: 44px;
	padding: 10px 6px;
	border: none;
	border-radius: 6px;
	background: transparent;
	color: #1E293B;
	font-family: inherit;
	font-size: 0.78rem;
	font-weight: 700;
	cursor: pointer;
}
.e2z-tool-scientific-calculator .e2z-sci-notation-active { background: #1D4ED8; color: #fff; }

/* ── Touch target floor — kabhi 44px se neeche nahi ── */
.e2z-tool-scientific-calculator .e2z-sci-key,
.e2z-tool-scientific-calculator .e2z-sci-const-btn,
.e2z-tool-scientific-calculator .e2z-sci-mem-btn,
.e2z-tool-scientific-calculator .e2z-sci-mode-btn {
	min-height: 44px;
}

/* ── Advanced tools section ── */
.e2z-tool-scientific-calculator .e2z-sci-adv {
	margin-top: 18px;
	padding-top: 14px;
	border-top: 2px solid #E2E8F0;
}
.e2z-tool-scientific-calculator .e2z-sci-adv-select {
	width: 100%;
	min-height: 48px;
	margin-bottom: 12px;
	font-weight: 600;
}
.e2z-tool-scientific-calculator .e2z-sci-pane {
	padding: 14px;
	background: #fff;
	border: 1px solid #E2E8F0;
	border-radius: 10px;
	margin-bottom: 10px;
}
.e2z-tool-scientific-calculator .e2z-sci-sub-title {
	font-size: 0.95rem;
	font-weight: 700;
	color: #1E293B;
	margin: 0 0 8px;
	padding-bottom: 6px;
	border-bottom: 2px solid #E2E8F0;
}

/* ── Shared field / row primitives ── */
.e2z-tool-scientific-calculator .e2z-sci-row {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 10px;
}
.e2z-tool-scientific-calculator .e2z-sci-field {
	flex: 1 1 100%;
	min-width: 0;
	display: flex;
	flex-direction: column;
	margin-bottom: 10px;
}
.e2z-tool-scientific-calculator .e2z-sci-row .e2z-sci-field { margin-bottom: 0; }
.e2z-tool-scientific-calculator .e2z-sci-pane textarea.e2z-sci-input {
	min-height: 68px;
	resize: vertical;
	line-height: 1.45;
	width: 100%;
}
.e2z-tool-scientific-calculator .e2z-sci-pane select.e2z-sci-input,
.e2z-tool-scientific-calculator .e2z-sci-pane input.e2z-sci-input {
	min-height: 44px;
	width: 100%;
}
.e2z-tool-scientific-calculator .e2z-sci-pane button { min-height: 44px; }

/* ── Action buttons inside panes ── */
.e2z-tool-scientific-calculator .e2z-sci-basen-btn,
.e2z-tool-scientific-calculator .e2z-sci-cx-btn,
.e2z-tool-scientific-calculator .e2z-sci-mx-btn,
.e2z-tool-scientific-calculator .e2z-sci-sv-btn,
.e2z-tool-scientific-calculator .e2z-sci-st-btn,
.e2z-tool-scientific-calculator .e2z-sci-cl-btn,
.e2z-tool-scientific-calculator .e2z-sci-formula-run-btn,
.e2z-tool-scientific-calculator .e2z-sci-formula-store-btn,
.e2z-tool-scientific-calculator .e2z-sci-formula-use-btn,
.e2z-tool-scientific-calculator .e2z-sci-rand-int-btn,
.e2z-tool-scientific-calculator .e2z-sci-rand-dec-btn {
	padding: 11px 14px;
	border: none;
	border-radius: 8px;
	background: #1D4ED8;
	color: #fff;
	font-family: inherit;
	font-size: 0.88rem;
	font-weight: 600;
	cursor: pointer;
}
.e2z-tool-scientific-calculator .e2z-sci-basen-btn,
.e2z-tool-scientific-calculator .e2z-sci-cx-btn,
.e2z-tool-scientific-calculator .e2z-sci-mx-btn,
.e2z-tool-scientific-calculator .e2z-sci-sv-btn,
.e2z-tool-scientific-calculator .e2z-sci-st-btn,
.e2z-tool-scientific-calculator .e2z-sci-cl-btn,
.e2z-tool-scientific-calculator .e2z-sci-formula-run-btn {
	width: 100%;
	margin-top: 4px;
}
.e2z-tool-scientific-calculator .e2z-sci-formula-store-btn,
.e2z-tool-scientific-calculator .e2z-sci-formula-use-btn,
.e2z-tool-scientific-calculator .e2z-sci-rand-dec-btn { background: #475569; }
.e2z-tool-scientific-calculator .e2z-sci-pane button:hover { filter: brightness(1.15); }

/* ── Stored formula variables ── */
.e2z-tool-scientific-calculator .e2z-sci-vars {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
	gap: 8px;
	margin: 10px 0;
}
.e2z-tool-scientific-calculator .e2z-sci-var-field { display: flex; flex-direction: column; gap: 3px; }
.e2z-tool-scientific-calculator .e2z-sci-var-field .e2z-sci-input { min-height: 44px; width: 100%; }

/* ── Result blocks (sab panes me shared) ── */
.e2z-tool-scientific-calculator .e2z-sci-res-block {
	margin-top: 10px;
	padding: 12px;
	background: #EFF6FF;
	border: 1px solid #DBEAFE;
	border-radius: 10px;
}
.e2z-tool-scientific-calculator .e2z-sci-res-line {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 10px;
	padding: 6px 0;
	border-bottom: 1px solid #DBEAFE;
	font-size: 0.86rem;
	flex-wrap: wrap;
}
.e2z-tool-scientific-calculator .e2z-sci-res-line:last-child { border-bottom: none; }
.e2z-tool-scientific-calculator .e2z-sci-res-line span { color: #475569; }
.e2z-tool-scientific-calculator .e2z-sci-res-line strong {
	font-family: 'SF Mono', 'Courier New', ui-monospace, monospace;
	color: #0F172A;
	font-size: 0.95rem;
	word-break: break-all;
	text-align: right;
}
.e2z-tool-scientific-calculator .e2z-sci-note {
	font-size: 0.84rem;
	margin-top: 10px;
	padding: 9px 11px;
	border-radius: 6px;
	line-height: 1.55;
}
.e2z-tool-scientific-calculator .e2z-sci-note-error {
	background: #FEF2F2;
	color: #991B1B;
	border-left: 3px solid #DC2626;
}

/* ── Matrix grids ── */
.e2z-tool-scientific-calculator .e2z-sci-mx-grids {
	display: flex;
	flex-direction: column;
	gap: 12px;
	margin-bottom: 10px;
}
.e2z-tool-scientific-calculator .e2z-sci-mx-box {
	padding: 10px;
	background: #F8FAFC;
	border: 1px solid #E2E8F0;
	border-radius: 8px;
}
.e2z-tool-scientific-calculator .e2z-sci-mx-grid { display: grid; gap: 6px; margin-top: 6px; }
.e2z-tool-scientific-calculator .e2z-sci-mx-cell {
	min-height: 44px;
	width: 100%;
	min-width: 0;
	padding: 8px 4px;
	text-align: center;
}
.e2z-tool-scientific-calculator .e2z-sci-table-wrap { width: 100%; overflow-x: auto; }
.e2z-tool-scientific-calculator .e2z-sci-table {
	border-collapse: collapse;
	background: #fff;
	font-size: 0.82rem;
	font-family: 'SF Mono', 'Courier New', ui-monospace, monospace;
	margin-top: 6px;
}
.e2z-tool-scientific-calculator .e2z-sci-table td {
	border: 1px solid #E2E8F0;
	padding: 7px 11px;
	text-align: right;
	white-space: nowrap;
}

/* ── Solver: linear system + coefficients ── */
.e2z-tool-scientific-calculator .e2z-sci-sys-row {
	display: flex;
	align-items: center;
	gap: 5px;
	flex-wrap: wrap;
	margin-bottom: 8px;
}
.e2z-tool-scientific-calculator .e2z-sci-sv-lc {
	flex: 1 1 60px;
	min-width: 56px;
	min-height: 44px;
	padding: 8px 4px;
	text-align: center;
}
.e2z-tool-scientific-calculator .e2z-sci-sys-tag {
	font-family: 'SF Mono', 'Courier New', ui-monospace, monospace;
	font-size: 0.8rem;
	font-weight: 700;
	color: #475569;
	flex: 0 0 auto;
}
.e2z-tool-scientific-calculator .e2z-sci-sv-coeffs {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
	gap: 8px;
	margin-bottom: 10px;
}

/* ── Tape ── */
.e2z-tool-scientific-calculator .e2z-sci-tape {
	display: flex;
	flex-direction: column;
	gap: 6px;
	margin-bottom: 6px;
}
.e2z-tool-scientific-calculator .e2z-sci-tape-item {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 10px;
	width: 100%;
	min-height: 44px;
	padding: 8px 11px;
	border: 1px solid #DBEAFE;
	border-radius: 8px;
	background: #EFF6FF;
	cursor: pointer;
	text-align: left;
	font-family: 'SF Mono', 'Courier New', ui-monospace, monospace;
}
.e2z-tool-scientific-calculator .e2z-sci-tape-item:hover { background: #DBEAFE; }
.e2z-tool-scientific-calculator .e2z-sci-tape-expr { font-size: 0.78rem; color: #475569; word-break: break-all; }
.e2z-tool-scientific-calculator .e2z-sci-tape-val { font-size: 0.95rem; font-weight: 700; color: #1D4ED8; white-space: nowrap; }

/* ── Constants search row ── */
.e2z-tool-scientific-calculator .e2z-sci-const-search { flex: 2 1 130px; min-height: 44px; }
.e2z-tool-scientific-calculator .e2z-sci-const-cat { flex: 1 1 100px; min-height: 44px; }
.e2z-tool-scientific-calculator .e2z-sci-consts { margin-top: 10px; }

/* ── Tablet and up ── */
@media (min-width: 640px) {
	.e2z-tool-scientific-calculator .e2z-sci-field { flex: 1 1 200px; }
	.e2z-tool-scientific-calculator .e2z-sci-mx-grids { flex-direction: row; }
	.e2z-tool-scientific-calculator .e2z-sci-mx-box { flex: 1; min-width: 0; }
	.e2z-tool-scientific-calculator .e2z-sci-basen-btn,
	.e2z-tool-scientific-calculator .e2z-sci-cx-btn,
	.e2z-tool-scientific-calculator .e2z-sci-mx-btn,
	.e2z-tool-scientific-calculator .e2z-sci-sv-btn,
	.e2z-tool-scientific-calculator .e2z-sci-st-btn,
	.e2z-tool-scientific-calculator .e2z-sci-cl-btn,
	.e2z-tool-scientific-calculator .e2z-sci-formula-run-btn { width: auto; min-width: 200px; }
}

/* ── Desktop: display ko sticky rakhne ki zaroorat nahi ── */
@media (min-width: 1024px) {
	.e2z-tool-scientific-calculator .e2z-sci-display-wrap {
		position: static;
		margin: 0 0 12px;
		padding: 0;
		background: transparent;
	}
}