/* ============================================================================
   Great Indian Startup Wall — frontend CSS
   Brand palette (STRICT):
     • white  #fff  — surfaces, wall background, primary text on dark
     • black  #000  — primary text, borders, dark surface, "sold" badges
     • gold   #c7972e — accent, CTAs, active-badge, highlight
   Muted variants are BLACK at reduced opacity — still the same hue.
============================================================================ */

.gisb-wrap {
	--gisb-white:  #fff;
	--gisb-black:  #000;
	--gisb-gold:   #c7972e;
	--gisb-muted:  rgba(0, 0, 0, 0.55);
	--gisb-hair:   rgba(0, 0, 0, 0.12);
	--gisb-veil:   rgba(0, 0, 0, 0.04);
	--gisb-radius: 12px;

	font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
	color: var(--gisb-black);
	background: var(--gisb-white);
	padding: 24px;
	border-radius: var(--gisb-radius);
	max-width: 1200px;
	margin: 24px auto;
	border: 1px solid var(--gisb-hair);
	box-sizing: border-box;
}
.gisb-wrap *, .gisb-wrap *::before, .gisb-wrap *::after { box-sizing: border-box; }

/* Toolbar */
.gisb-toolbar {
	display: flex; justify-content: space-between; align-items: flex-end;
	gap: 16px; margin-bottom: 20px; flex-wrap: wrap;
}
.gisb-title {
	font-size: 28px; font-weight: 800; margin: 0; letter-spacing: -0.02em;
	color: var(--gisb-black);
}
.gisb-subtitle { color: var(--gisb-muted); margin: 4px 0 0; font-size: 14px; }

/* Legend — three-color only */
.gisb-legend { display: flex; gap: 14px; font-size: 12px; color: var(--gisb-muted); align-items: center; }
.gisb-legend-dot {
	display: inline-block; width: 10px; height: 10px; border-radius: 2px;
	margin-right: 4px; vertical-align: middle; border: 1px solid var(--gisb-hair);
}
.gisb-legend-sold      { background: var(--gisb-black); border-color: var(--gisb-black); }
.gisb-legend-selecting { background: var(--gisb-gold);  border-color: var(--gisb-gold); }
.gisb-legend-free      { background: var(--gisb-white); border-color: var(--gisb-black); }

/* Zoom controls */
.gisb-zoom-controls {
	display: flex; align-items: center; gap: 8px; margin-top: 8px;
}
.gisb-zoom-controls #gisb-zoom-level {
	font-size: 12px; color: var(--gisb-muted); min-width: 48px; text-align: center;
	font-variant-numeric: tabular-nums;
}

/* Canvas viewport — WHITE wall */
.gisb-canvas-viewport {
	position: relative;
	background: var(--gisb-white);
	border: 1px solid var(--gisb-black);
	border-radius: var(--gisb-radius);
	/* The complete 1,000,000-pixel logical wall fills this responsive frame. */
	width: 100%;
	height: auto;
	aspect-ratio: 3 / 2;
	overflow: hidden;
	touch-action: none;
	cursor: crosshair;
}
.gisb-canvas-stage {
	position: absolute; top: 0; left: 0;
	width: 100%; height: 100%;
	transform-origin: 0 0;
	will-change: transform;
}
#gisb-canvas, #gisb-overlay {
	position: absolute; top: 0; left: 0;
	width: 100%; height: 100%;
	image-rendering: -webkit-optimize-contrast;
}
#gisb-overlay { pointer-events: auto; }

.gisb-loading {
	position: absolute; inset: 0;
	display: flex; align-items: center; justify-content: center;
	color: var(--gisb-muted); font-size: 14px;
	background: rgba(255, 255, 255, 0.85);
	pointer-events: none;
}

/* Selection summary card */
.gisb-selection-info {
	margin-top: 16px;
	display: flex; align-items: center; gap: 24px;
	padding: 14px 18px;
	background: var(--gisb-white);
	color: var(--gisb-black);
	border: 1px solid var(--gisb-black);
	border-radius: var(--gisb-radius);
	flex-wrap: wrap;
}
.gisb-info-label {
	display: block; font-size: 11px; text-transform: uppercase;
	letter-spacing: 0.08em; color: var(--gisb-muted);
}
.gisb-selection-info > div > span:not(.gisb-info-label),
.gisb-selection-info > div > b { font-weight: 700; font-size: 15px; color: var(--gisb-black); }

/* Buttons — three-color only */
.gisb-btn {
	appearance: none; border: 1px solid transparent;
	padding: 10px 18px;
	border-radius: 999px;
	font-size: 14px; font-weight: 600;
	cursor: pointer;
	transition: transform 120ms ease, background-color 120ms ease, color 120ms ease, border-color 120ms ease, opacity 120ms ease;
	color: var(--gisb-black);
	background: var(--gisb-white);
	border-color: var(--gisb-black);
	font-family: inherit;
}
.gisb-btn:hover { transform: translateY(-1px); }
.gisb-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.gisb-btn-primary {
	background: var(--gisb-gold);
	color: var(--gisb-black);
	border-color: var(--gisb-gold);
}
.gisb-btn-primary:hover { background: var(--gisb-black); color: var(--gisb-white); border-color: var(--gisb-black); }
.gisb-btn-ghost {
	background: var(--gisb-white);
	color: var(--gisb-black);
	border-color: var(--gisb-hair);
}
.gisb-btn-ghost:hover { border-color: var(--gisb-black); }

/* Modal */
.gisb-modal {
	position: fixed; inset: 0; z-index: 999999;
	display: flex; align-items: center; justify-content: center;
}
.gisb-modal[hidden] { display: none; }
.gisb-modal-backdrop {
	position: absolute; inset: 0;
	background: rgba(0, 0, 0, 0.55);
	backdrop-filter: blur(4px);
}
.gisb-modal-card {
	position: relative;
	width: min(480px, 92vw);
	background: var(--gisb-white);
	color: var(--gisb-black);
	border: 1px solid var(--gisb-black);
	border-radius: 16px;
	padding: 28px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
	animation: gisb-pop 180ms ease-out;
}
@keyframes gisb-pop {
	from { transform: translateY(10px) scale(0.98); opacity: 0; }
	to   { transform: translateY(0) scale(1); opacity: 1; }
}
.gisb-modal-close {
	position: absolute; top: 12px; right: 12px;
	width: 32px; height: 32px; border-radius: 999px;
	border: 0; background: transparent; color: var(--gisb-muted);
	font-size: 22px; line-height: 1; cursor: pointer;
}
.gisb-modal-close:hover { color: var(--gisb-black); }
.gisb-modal-card h3 { margin: 0 0 4px; font-size: 20px; color: var(--gisb-black); }
.gisb-modal-sub { margin: 0 0 20px; color: var(--gisb-muted); font-size: 13px; }

.gisb-field { display: block; margin-bottom: 14px; }
.gisb-field > span {
	display: block; font-size: 12px; color: var(--gisb-muted); margin-bottom: 6px;
}
.gisb-field input {
	width: 100%; padding: 10px 12px;
	background: var(--gisb-white);
	color: var(--gisb-black);
	border: 1px solid var(--gisb-hair);
	border-radius: 8px; font: inherit;
	outline: none;
	transition: border-color 120ms ease;
}
.gisb-field input:focus { border-color: var(--gisb-gold); }

.gisb-modal-summary {
	margin: 10px 0 18px; padding: 12px 14px;
	background: var(--gisb-veil);
	border: 1px solid var(--gisb-hair);
	border-radius: 8px; font-size: 13px;
	color: var(--gisb-black);
}
.gisb-modal-summary > div { display: flex; justify-content: space-between; padding: 3px 0; }
.gisb-modal-summary > div span { color: var(--gisb-muted); }
.gisb-modal-summary > div b { color: var(--gisb-black); }

.gisb-modal-actions { display: flex; justify-content: flex-end; gap: 10px; }
.gisb-modal-error {
	margin-top: 12px;
	padding: 10px 12px;
	border: 1px solid var(--gisb-gold);
	background: var(--gisb-white);
	color: var(--gisb-black);
	border-radius: 8px;
	font-size: 13px;
	font-weight: 500;
}

/* ============================================================================
   Upload portal
============================================================================ */
.gisb-upload-wrap {
	max-width: 560px; margin: 40px auto; padding: 28px;
	background: var(--gisb-white, #fff);
	color: #000;
	border-radius: 12px;
	border: 1px solid #000;
	font-family: 'Inter', system-ui, sans-serif;
}
.gisb-upload-wrap h2 { margin: 0 0 18px; font-size: 22px; color: #000; }
.gisb-upload-meta {
	background: rgba(0, 0, 0, 0.04);
	border: 1px solid rgba(0, 0, 0, 0.12);
	border-radius: 8px;
	padding: 12px 14px; margin-bottom: 20px; font-size: 13px;
	color: #000;
}
.gisb-upload-meta > div { display: flex; justify-content: space-between; padding: 3px 0; }
.gisb-upload-meta > div > span { color: rgba(0, 0, 0, 0.55); }
.gisb-upload-meta > div > b   { color: #000; }

.gisb-hint {
	font-size: 12px;
	color: rgba(0, 0, 0, 0.55);
	margin: 6px 0 16px;
}

.gisb-alert {
	padding: 12px 14px; border-radius: 8px; margin-bottom: 16px;
	font-size: 14px;
	background: #fff;
	color: #000;
}
.gisb-alert-error   { border: 2px solid #c7972e; }
.gisb-alert-success { border: 2px solid #000; background: #000; color: #fff; }

/* File input inside the upload wrap */
.gisb-upload-wrap input[type="file"] {
	width: 100%; padding: 10px 12px;
	background: #fff;
	color: #000;
	border: 1px solid rgba(0, 0, 0, 0.12);
	border-radius: 8px;
}
.gisb-upload-wrap input[type="file"]:focus { border-color: #c7972e; outline: none; }

/* Buttons inside the upload wrap use the same brand palette */
.gisb-upload-wrap .gisb-btn-primary {
	background: #c7972e;
	color: #000;
	border: 1px solid #c7972e;
}
.gisb-upload-wrap .gisb-btn-primary:hover {
	background: #000; color: #fff; border-color: #000;
}

/* ============================================================================
   Hover tooltip
============================================================================ */
.gisb-tooltip {
	position: fixed;
	top: 0; left: 0;
	z-index: 999998;
	display: flex; align-items: center; gap: 12px;
	padding: 10px 14px 10px 10px;
	background: #fff;
	color: #000;
	border: 1px solid #000;
	border-radius: 12px;
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
	pointer-events: none;
	font-family: 'Inter', system-ui, sans-serif;
	max-width: 280px;
	will-change: transform;
}
.gisb-tooltip[hidden] { display: none; }
.gisb-tooltip-preview {
	width: 72px; height: 72px;
	background: #fff;
	border: 1px solid rgba(0, 0, 0, 0.12);
	border-radius: 8px;
	overflow: hidden;
	display: flex; align-items: center; justify-content: center;
	flex-shrink: 0;
}
.gisb-tooltip-preview img {
	max-width: 100%; max-height: 100%;
	image-rendering: -webkit-optimize-contrast;
}
.gisb-tooltip-body { min-width: 0; }
.gisb-tooltip-brand {
	font-weight: 700; font-size: 14px; line-height: 1.2;
	color: #000;
	overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.gisb-tooltip-meta {
	font-size: 11px;
	color: #c7972e;
	margin-top: 4px;
	text-transform: uppercase; letter-spacing: 0.05em;
	font-weight: 600;
}

.gisb-board-shell { position: relative; }
.gisb-mobile-scrollbars { display: none !important; }

/* Mobile board navigation
   The desktop canvas continues to use its existing fixed viewport and pan/zoom
   behaviour. Phones receive two persistent, touch-draggable controls outside
   the canvas, so moving around the wall never starts a pixel selection. */
@media (max-width: 767px) {
	.gisb-wrap {
		padding: 14px;
	}
	.gisb-board-shell {
		/* Reserve a dedicated gutter so controls never overlap the board. */
		padding-right: 30px;
		padding-bottom: 30px;
	}

	.gisb-canvas-viewport {
		/* A comfortable board height across small and tall mobile screens. */
		height: min(62vh, 560px);
		height: clamp(360px, 62svh, 560px);
		overflow: auto;
		touch-action: pan-x pan-y;
		-webkit-overflow-scrolling: touch;
		scrollbar-width: none;
	}

	/* Make the full canvas establish the scrollable area on mobile. */
	.gisb-canvas-stage {
		position: relative;
		width: 1000px;
		height: 1000px;
	}

	.gisb-canvas-viewport::-webkit-scrollbar { display: none; }

	.gisb-mobile-scrollbars {
		display: block !important;
		position: absolute;
		inset: 0;
		z-index: 5;
		pointer-events: none;
	}
	.gisb-mobile-scrollbar {
		position: absolute;
		z-index: 1;
		pointer-events: auto;
		background: transparent;
		border: 0;
		border-radius: 999px;
		touch-action: none;
		cursor: pointer;
	}
	.gisb-mobile-scrollbar::before {
		content: '';
		position: absolute;
		background: #e5e5e5;
		border: 1px solid #c7c7c7;
		border-radius: 999px;
		box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.06);
	}
	.gisb-mobile-scrollbar-y {
		top: 8px;
		right: 0;
		height: calc(100% - 46px);
		width: 22px;
	}
	.gisb-mobile-scrollbar-x {
		bottom: 0;
		left: 8px;
		width: calc(100% - 46px);
		height: 22px;
	}
	.gisb-mobile-scrollbar-y::before {
		top: 0;
		bottom: 0;
		left: 7px;
		width: 7px;
	}
	.gisb-mobile-scrollbar-x::before {
		top: 7px;
		left: 0;
		right: 0;
		height: 7px;
	}
	.gisb-mobile-scrollbar-thumb {
		display: block;
		position: absolute;
		left: 0;
		top: 0;
		background: #727272;
		border: 1px solid #5b5b5b;
		border-radius: 999px;
		box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
	}
	.gisb-mobile-scrollbar-y .gisb-mobile-scrollbar-thumb {
		width: 18px;
		left: 2px;
	}
	.gisb-mobile-scrollbar-x .gisb-mobile-scrollbar-thumb {
		height: 18px;
		top: 2px;
	}
}