/**
 * ============================================================================
 * AI CIRCUIT & MACHINE DIAGRAM SOLVER — style.css
 * Saari classes e2zai-circuit-solver- / e2zai-cs- prefix, .e2zai-scope ke andar.
 * Dark mode core CSS variables se automatic.
 * ============================================================================
 */

.e2zai-scope .e2zai-circuit-solver-wrap { max-width: 900px; margin: 0 auto; }
.e2zai-scope .e2zai-circuit-solver-shell { padding: 22px; }

/* ---------- Header ---------- */
.e2zai-scope .e2zai-circuit-solver-head {
	display: flex; align-items: center; gap: 14px;
	background: linear-gradient(135deg, var(--e2zai-primary, #2563eb), #7c3aed);
	border-radius: var(--e2zai-radius, 12px);
	padding: 18px 20px; margin-bottom: 14px; color: #fff;
}
.e2zai-scope .e2zai-circuit-solver-head-icon { font-size: 34px; line-height: 1; }
.e2zai-scope .e2zai-circuit-solver-title { margin: 0; font-size: 21px; font-weight: 800; color: #fff; }
.e2zai-scope .e2zai-circuit-solver-sub { margin: 4px 0 0; font-size: 13px; opacity: .92; color: #fff; }
.e2zai-scope .e2zai-circuit-solver-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }

/* ---------- Mode tabs ---------- */
.e2zai-scope .e2zai-circuit-solver-modetabs { display: flex; gap: 8px; margin-bottom: 12px; }
.e2zai-scope .e2zai-circuit-solver-modetab {
	flex: 1; padding: 11px 14px; border-radius: 10px; cursor: pointer;
	border: 1.5px solid var(--e2zai-border, #e5e7eb);
	background: var(--e2zai-bg, #fff); color: var(--e2zai-text, #1f2937);
	font-weight: 700; font-size: 14px; transition: all .15s ease;
}
.e2zai-scope .e2zai-circuit-solver-modetab.is-active {
	border-color: var(--e2zai-primary, #2563eb);
	background: color-mix(in srgb, var(--e2zai-primary, #2563eb) 10%, transparent);
	color: var(--e2zai-primary, #2563eb);
}

/* ---------- Dropzone + previews ---------- */
.e2zai-scope .e2zai-circuit-solver-dropzone {
	border: 2px dashed var(--e2zai-border, #cbd5e1); border-radius: var(--e2zai-radius, 12px);
	padding: 22px; text-align: center; cursor: pointer; outline: none;
	transition: border-color .15s ease, background .15s ease;
}
.e2zai-scope .e2zai-circuit-solver-dropzone:focus-visible,
.e2zai-scope .e2zai-circuit-solver-dropzone.is-drag {
	border-color: var(--e2zai-primary, #2563eb);
	background: color-mix(in srgb, var(--e2zai-primary, #2563eb) 6%, transparent);
}
.e2zai-scope .e2zai-circuit-solver-dropzone-icon { font-size: 30px; margin-bottom: 6px; }
.e2zai-scope .e2zai-circuit-solver-dropzone p { margin: 4px 0; }
.e2zai-scope .e2zai-circuit-solver-previews { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.e2zai-scope .e2zai-circuit-solver-thumb { position: relative; width: 92px; height: 92px; border-radius: 10px; overflow: hidden; border: 1px solid var(--e2zai-border, #e5e7eb); }
.e2zai-scope .e2zai-circuit-solver-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.e2zai-scope .e2zai-circuit-solver-thumb-x {
	position: absolute; top: 3px; right: 3px; width: 22px; height: 22px; border-radius: 50%;
	border: none; cursor: pointer; background: rgba(0,0,0,.65); color: #fff; font-size: 14px; line-height: 1;
}

/* ---------- Question row ---------- */
.e2zai-scope .e2zai-circuit-solver-qrow { display: grid; grid-template-columns: 1fr 170px 185px; gap: 12px; margin: 14px 0 12px; align-items: end; }
.e2zai-scope .e2zai-circuit-solver-qwrap { display: flex; gap: 8px; }
.e2zai-scope .e2zai-circuit-solver-qwrap .e2zai-circuit-solver-question { flex: 1; }
.e2zai-scope .e2zai-circuit-solver-mic.is-active { background: #ef4444; color: #fff; border-color: #ef4444; }
.e2zai-scope .e2zai-circuit-solver-solve { width: 100%; font-size: 16px; padding: 13px 16px; }

/* ---------- Examples ---------- */
.e2zai-scope .e2zai-circuit-solver-examples { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
.e2zai-scope .e2zai-circuit-solver-example {
	border: 1px solid var(--e2zai-border, #e5e7eb); background: var(--e2zai-bg-soft, #f8fafc);
	color: var(--e2zai-text, #1f2937); border-radius: 999px; padding: 6px 12px; font-size: 12.5px; cursor: pointer;
	transition: all .15s ease;
}
.e2zai-scope .e2zai-circuit-solver-example:hover { border-color: var(--e2zai-primary, #2563eb); color: var(--e2zai-primary, #2563eb); }

/* ---------- Loading / soft msg ---------- */
.e2zai-scope .e2zai-circuit-solver-status { margin-top: 14px; }
.e2zai-scope .e2zai-circuit-solver-loadstep { margin-top: 8px; font-size: 13.5px; color: var(--e2zai-muted, #6b7280); font-style: italic; }
.e2zai-scope .e2zai-circuit-solver-softmsg {
	background: color-mix(in srgb, var(--e2zai-primary, #2563eb) 8%, transparent);
	border: 1px solid var(--e2zai-border, #e5e7eb); border-left: 4px solid var(--e2zai-primary, #2563eb);
	border-radius: 10px; padding: 12px 14px; font-size: 14px;
}

/* ---------- Result ---------- */
.e2zai-scope .e2zai-circuit-solver-resultbox { margin-top: 18px; }
.e2zai-scope .e2zai-circuit-solver-resulthead { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.e2zai-scope .e2zai-circuit-solver-langtabs { display: flex; gap: 6px; flex-wrap: wrap; }
.e2zai-scope .e2zai-circuit-solver-langtab {
	border: 1.5px solid var(--e2zai-border, #e5e7eb); background: var(--e2zai-bg, #fff);
	color: var(--e2zai-text, #1f2937); border-radius: 999px; padding: 7px 16px; font-size: 13.5px; font-weight: 700; cursor: pointer;
}
.e2zai-scope .e2zai-circuit-solver-langtab.is-active { background: var(--e2zai-primary, #2563eb); border-color: var(--e2zai-primary, #2563eb); color: #fff; }
.e2zai-scope .e2zai-circuit-solver-toolbar { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- Cards ---------- */
.e2zai-scope .e2zai-circuit-solver-card {
	border: 1px solid var(--e2zai-border, #e5e7eb); border-radius: var(--e2zai-radius, 12px);
	padding: 14px 16px; margin-bottom: 12px; background: var(--e2zai-bg, #fff);
}
.e2zai-scope .e2zai-circuit-solver-cardtitle { margin: 0 0 10px; font-size: 15.5px; font-weight: 800; }
.e2zai-scope .e2zai-circuit-solver-cardbody { font-size: 14.5px; line-height: 1.65; }
.e2zai-scope .e2zai-circuit-solver-cardbody p { margin: 0 0 8px; }

/* Formula box + stacked fractions */
.e2zai-scope .e2zai-circuit-solver-formula {
	font-family: Georgia, 'Times New Roman', serif; font-style: italic; font-size: 16.5px;
	text-align: center; padding: 10px 12px; margin: 10px 0;
	background: color-mix(in srgb, var(--e2zai-primary, #2563eb) 7%, transparent);
	border: 1px solid color-mix(in srgb, var(--e2zai-primary, #2563eb) 22%, transparent);
	border-radius: 10px; overflow-x: auto;
}
.e2zai-scope .e2zai-cs-frac { display: inline-flex; flex-direction: column; text-align: center; vertical-align: middle; margin: 0 3px; line-height: 1.25; }
.e2zai-scope .e2zai-cs-num { border-bottom: 1.6px solid currentColor; padding: 0 6px; }
.e2zai-scope .e2zai-cs-den { padding: 0 6px; }

/* Components table */
.e2zai-scope .e2zai-circuit-solver-tablewrap { overflow-x: auto; margin: 8px 0; }
.e2zai-scope .e2zai-circuit-solver-table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
.e2zai-scope .e2zai-circuit-solver-table th, 
.e2zai-scope .e2zai-circuit-solver-table td { border: 1px solid var(--e2zai-border, #d1d5db); padding: 8px 10px; text-align: left; vertical-align: top; }
.e2zai-scope .e2zai-circuit-solver-table th { background: var(--e2zai-primary, #2563eb); color: #fff; font-weight: 700; }
.e2zai-scope .e2zai-circuit-solver-table tr:nth-child(even) td { background: color-mix(in srgb, var(--e2zai-primary, #2563eb) 4%, transparent); }

/* Mistakes (warning cards) + tips */
.e2zai-scope .e2zai-circuit-solver-mistake {
	display: flex; gap: 8px; align-items: flex-start;
	background: color-mix(in srgb, #ef4444 9%, transparent);
	border-left: 4px solid #ef4444; border-radius: 8px; padding: 9px 12px; margin: 7px 0; font-size: 14px;
}
.e2zai-scope .e2zai-circuit-solver-tipline {
	display: flex; gap: 8px; align-items: flex-start;
	background: color-mix(in srgb, #22c55e 10%, transparent);
	border-left: 4px solid #22c55e; border-radius: 8px; padding: 9px 12px; margin: 7px 0; font-size: 14px;
}

/* ---------- Redraw panel ---------- */
.e2zai-scope .e2zai-circuit-solver-redraw {
	border: 1px solid var(--e2zai-border, #e5e7eb); border-radius: var(--e2zai-radius, 12px);
	padding: 14px 16px; margin-bottom: 12px;
}
.e2zai-scope .e2zai-circuit-solver-redrawhead { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.e2zai-scope .e2zai-circuit-solver-redrawhead h4 { margin: 0; font-size: 15px; }
.e2zai-scope .e2zai-circuit-solver-svgwrap { overflow-x: auto; color: var(--e2zai-text, #1f2937); }
.e2zai-scope .e2zai-circuit-solver-svg { max-width: 100%; height: auto; display: block; margin: 0 auto; }

/* ---------- Read more ---------- */
.e2zai-scope .e2zai-circuit-solver-readmore h4 { margin: 0 0 10px; font-size: 15px; }
.e2zai-scope .e2zai-circuit-solver-rmgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; margin-bottom: 12px; }
.e2zai-scope .e2zai-circuit-solver-rmcard {
	display: flex; flex-direction: column; gap: 6px; text-decoration: none;
	border: 1px solid var(--e2zai-border, #e5e7eb); border-radius: 10px; padding: 12px 14px;
	color: var(--e2zai-text, #1f2937); transition: all .15s ease;
}
.e2zai-scope .e2zai-circuit-solver-rmcard:hover { border-color: var(--e2zai-primary, #2563eb); transform: translateY(-1px); }
.e2zai-scope .e2zai-circuit-solver-rmtitle { font-weight: 700; font-size: 13.5px; }
.e2zai-scope .e2zai-circuit-solver-rmgo { font-size: 12.5px; color: var(--e2zai-primary, #2563eb); font-weight: 600; }

/* ---------- Feedback ---------- */
.e2zai-scope .e2zai-circuit-solver-feedback { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--e2zai-muted, #6b7280); }

/* ---------- Tips ---------- */
.e2zai-scope .e2zai-circuit-solver-tips { margin-top: 20px; }
.e2zai-scope .e2zai-circuit-solver-tips h4 { margin: 0 0 10px; font-size: 15px; }
.e2zai-scope .e2zai-circuit-solver-tipsgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.e2zai-scope .e2zai-circuit-solver-tip {
	border: 1px solid var(--e2zai-border, #e5e7eb); border-radius: 10px; padding: 12px;
	background: var(--e2zai-bg-soft, #f8fafc);
}
.e2zai-scope .e2zai-circuit-solver-tip strong { display: block; margin-bottom: 4px; font-size: 13.5px; }
.e2zai-scope .e2zai-circuit-solver-tip p { margin: 0; font-size: 12.5px; color: var(--e2zai-muted, #6b7280); line-height: 1.5; }
.e2zai-scope .e2zai-circuit-solver-hint { margin-top: 14px; text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
	.e2zai-scope .e2zai-circuit-solver-shell { padding: 14px; }
	.e2zai-scope .e2zai-circuit-solver-qrow { grid-template-columns: 1fr; }
	.e2zai-scope .e2zai-circuit-solver-resulthead { flex-direction: column; align-items: stretch; }
	.e2zai-scope .e2zai-circuit-solver-toolbar { justify-content: center; }
	.e2zai-scope .e2zai-circuit-solver-modetab { font-size: 13px; padding: 10px 8px; }
	.e2zai-scope .e2zai-circuit-solver-thumb { width: 76px; height: 76px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
	.e2zai-scope .e2zai-circuit-solver-modetab,
	.e2zai-scope .e2zai-circuit-solver-example,
	.e2zai-scope .e2zai-circuit-solver-rmcard,
	.e2zai-scope .e2zai-circuit-solver-dropzone { transition: none; }
}

/* ---------- ✂️ Camera crop overlay ---------- */
.e2zai-scope .e2zai-circuit-solver-cropper {
	position: fixed; inset: 0; z-index: 99999;
	background: rgba(0, 0, 0, .72);
	display: flex; align-items: center; justify-content: center;
	padding: 14px;
}
.e2zai-scope .e2zai-circuit-solver-crop-inner {
	background: var(--e2zai-bg, #fff);
	border-radius: var(--e2zai-radius, 12px);
	padding: 14px; max-width: 640px; width: 100%;
	max-height: 92vh; overflow: auto;
}
.e2zai-scope .e2zai-circuit-solver-crop-title { margin: 0 0 10px; font-size: 14px; font-weight: 700; text-align: center; }
.e2zai-scope .e2zai-circuit-solver-crop-stage {
	position: relative; display: inline-block; max-width: 100%;
	left: 50%; transform: translateX(-50%);
	touch-action: none; user-select: none; -webkit-user-select: none;
	line-height: 0;
}
.e2zai-scope .e2zai-circuit-solver-crop-img {
	display: block; max-width: 100%; max-height: 58vh;
	border-radius: 8px; pointer-events: none;
}
.e2zai-scope .e2zai-circuit-solver-crop-box {
	position: absolute; border: 2px solid #fff; border-radius: 4px;
	box-shadow: 0 0 0 9999px rgba(0, 0, 0, .48); /* bahar ka area dark */
	cursor: move; touch-action: none;
}
.e2zai-scope .e2zai-cs-handle {
	position: absolute; width: 22px; height: 22px; border-radius: 50%;
	background: var(--e2zai-primary, #2563eb); border: 3px solid #fff;
	touch-action: none;
}
.e2zai-scope .e2zai-cs-handle[data-h="nw"] { top: -11px; left: -11px; cursor: nwse-resize; }
.e2zai-scope .e2zai-cs-handle[data-h="ne"] { top: -11px; right: -11px; cursor: nesw-resize; }
.e2zai-scope .e2zai-cs-handle[data-h="sw"] { bottom: -11px; left: -11px; cursor: nesw-resize; }
.e2zai-scope .e2zai-cs-handle[data-h="se"] { bottom: -11px; right: -11px; cursor: nwse-resize; }
.e2zai-scope .e2zai-circuit-solver-crop-actions { justify-content: center; margin-top: 14px; flex-wrap: wrap; }
@media (max-width: 640px) {
	.e2zai-scope .e2zai-circuit-solver-crop-inner { padding: 10px; }
	.e2zai-scope .e2zai-circuit-solver-crop-img { max-height: 52vh; }
}