/**
 * زر واتساب العائم — واجهة عصرية
 */
.eredo-wa {
	--wa-green: #25d366;
	--wa-green-dark: #128c7e;
	--wa-bg: #0d1424;
	--wa-surface: rgba(17, 24, 39, 0.92);
	--wa-border: rgba(255, 255, 255, 0.08);
	--wa-text: #f1f5f9;
	--wa-muted: #94a3b8;
	--wa-gold: #f59e0b;
	--wa-radius: 20px;
	--wa-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
	--wa-ease: cubic-bezier(0.4, 0, 0.2, 1);
	--wa-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
	position: fixed;
	inset-inline-end: max(1.25rem, env(safe-area-inset-right, 0px));
	inset-block-end: max(1.25rem, env(safe-area-inset-bottom, 0px));
	z-index: 99990;
	font-family: 'Cairo', 'Segoe UI', Tahoma, sans-serif;
	pointer-events: none;
}

.eredo-wa *,
.eredo-wa *::before,
.eredo-wa *::after {
	box-sizing: border-box;
}

/* ── FAB ── */
.eredo-wa__fab {
	pointer-events: auto;
	position: relative;
	z-index: 99991;
	width: 62px;
	height: 62px;
	border: none;
	border-radius: 50%;
	cursor: pointer;
	background: linear-gradient(145deg, var(--wa-green) 0%, var(--wa-green-dark) 100%);
	color: #fff;
	box-shadow:
		0 8px 32px rgba(37, 211, 102, 0.45),
		0 0 0 0 rgba(37, 211, 102, 0.35);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: transform 0.35s var(--wa-spring), box-shadow 0.35s var(--wa-ease);
}

.eredo-wa__fab:hover {
	transform: scale(1.06);
	box-shadow:
		0 12px 40px rgba(37, 211, 102, 0.55),
		0 0 0 0 rgba(37, 211, 102, 0.35);
}

.eredo-wa__fab:focus-visible {
	outline: 2px solid var(--wa-gold);
	outline-offset: 3px;
}

.eredo-wa__fab-pulse {
	position: absolute;
	inset: -4px;
	border-radius: 50%;
	border: 2px solid var(--wa-green);
	opacity: 0;
	animation: eredo-wa-pulse 2.5s ease-out infinite;
	pointer-events: none;
}

@keyframes eredo-wa-pulse {
	0% { transform: scale(1); opacity: 0.6; }
	70%, 100% { transform: scale(1.35); opacity: 0; }
}

.eredo-wa__fab-icon,
.eredo-wa__fab-close {
	width: 28px;
	height: 28px;
	transition: opacity 0.25s var(--wa-ease), transform 0.35s var(--wa-spring);
}

.eredo-wa__fab-close {
	position: absolute;
	opacity: 0;
	transform: rotate(-90deg) scale(0.5);
}

.eredo-wa.is-open .eredo-wa__fab {
	background: linear-gradient(145deg, #1f2937 0%, #111827 100%);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.eredo-wa.is-open .eredo-wa__fab-pulse {
	animation: none;
	opacity: 0;
}

.eredo-wa.is-open .eredo-wa__fab-icon {
	opacity: 0;
	transform: rotate(90deg) scale(0.5);
}

.eredo-wa.is-open .eredo-wa__fab-close {
	opacity: 1;
	transform: rotate(0) scale(1);
}

/* ── Modal overlay ── */
.eredo-wa__modal {
	position: fixed;
	inset: 0;
	z-index: 99988;
	display: flex;
	align-items: center;
	justify-content: center;
	padding:
		max(1rem, env(safe-area-inset-top, 0px))
		max(1rem, env(safe-area-inset-right, 0px))
		max(1rem, env(safe-area-inset-bottom, 0px))
		max(1rem, env(safe-area-inset-left, 0px));
	pointer-events: none;
	opacity: 0;
	visibility: hidden;
	transition:
		opacity 0.32s var(--wa-ease),
		visibility 0.32s var(--wa-ease);
}

.eredo-wa.is-open .eredo-wa__modal:not([hidden]) {
	pointer-events: auto;
	opacity: 1;
	visibility: visible;
}

.eredo-wa__backdrop {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: none;
	padding: 0;
	margin: 0;
	background: rgba(7, 11, 20, 0.78);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	cursor: pointer;
	animation: eredo-wa-backdrop-in 0.35s var(--wa-ease);
}

@keyframes eredo-wa-backdrop-in {
	from { opacity: 0; }
	to { opacity: 1; }
}

body.eredo-wa-no-scroll {
	overflow: hidden;
}

/* ── Panel ── */
.eredo-wa__panel {
	pointer-events: auto;
	position: relative;
	z-index: 1;
	width: min(420px, 100%);
	max-height: min(85dvh, 620px);
	display: flex;
	flex-direction: column;
	border-radius: var(--wa-radius);
	background: var(--wa-surface);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border: 1px solid var(--wa-border);
	box-shadow:
		var(--wa-shadow),
		0 0 0 1px rgba(255, 255, 255, 0.04);
	overflow: hidden;
	opacity: 0;
	transform: scale(0.94) translateY(24px);
	transform-origin: center center;
	transition:
		opacity 0.35s var(--wa-ease),
		transform 0.4s var(--wa-spring);
}

.eredo-wa.is-open .eredo-wa__panel {
	opacity: 1;
	transform: scale(1) translateY(0);
}

.eredo-wa__panel-glow {
	position: absolute;
	top: -40%;
	inset-inline-end: -20%;
	width: 60%;
	height: 60%;
	background: radial-gradient(circle, rgba(37, 211, 102, 0.15) 0%, transparent 70%);
	pointer-events: none;
}

/* ── Header ── */
.eredo-wa__header {
	position: relative;
	display: flex;
	align-items: flex-start;
	gap: 0.85rem;
	padding: 1.15rem 1.15rem 1rem;
	background: linear-gradient(135deg, var(--wa-green-dark) 0%, #075e54 100%);
	color: #fff;
}

.eredo-wa__avatar {
	flex-shrink: 0;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.15);
	display: flex;
	align-items: center;
	justify-content: center;
	border: 2px solid rgba(255, 255, 255, 0.25);
}

.eredo-wa__avatar svg {
	width: 26px;
	height: 26px;
}

.eredo-wa__header-text {
	flex: 1;
	min-width: 0;
}

.eredo-wa__title {
	margin: 0 0 0.15rem;
	font-size: 1.05rem;
	font-weight: 700;
	line-height: 1.3;
}

.eredo-wa__subtitle {
	margin: 0 0 0.45rem;
	font-size: 0.78rem;
	opacity: 0.85;
	line-height: 1.4;
}

.eredo-wa__status {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.72rem;
	opacity: 0.9;
	background: rgba(0, 0, 0, 0.2);
	padding: 0.2rem 0.55rem;
	border-radius: 999px;
}

.eredo-wa__status-dot {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: #4ade80;
	box-shadow: 0 0 8px #4ade80;
	animation: eredo-wa-blink 2s ease-in-out infinite;
}

@keyframes eredo-wa-blink {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.5; }
}

.eredo-wa__close {
	flex-shrink: 0;
	width: 34px;
	height: 34px;
	border: none;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.12);
	color: #fff;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.2s;
}

.eredo-wa__close:hover {
	background: rgba(255, 255, 255, 0.22);
}

/* ── Body ── */
.eredo-wa__body {
	flex: 1;
	overflow-y: auto;
	padding: 1rem 1.15rem 1.15rem;
	scrollbar-width: thin;
	scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.eredo-wa__welcome {
	margin: 0 0 0.85rem;
	font-size: 0.85rem;
	line-height: 1.55;
	color: var(--wa-muted);
}

/* ── Presets ── */
.eredo-wa__presets {
	display: flex;
	flex-direction: column;
	gap: 0.45rem;
	margin-bottom: 1rem;
}

.eredo-wa__preset {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	width: 100%;
	padding: 0.65rem 0.85rem;
	border: 1px solid var(--wa-border);
	border-radius: 12px;
	background: rgba(255, 255, 255, 0.03);
	color: var(--wa-text);
	font-family: inherit;
	font-size: 0.88rem;
	text-align: start;
	cursor: pointer;
	transition:
		background 0.2s var(--wa-ease),
		border-color 0.2s var(--wa-ease),
		transform 0.2s var(--wa-spring);
}

.eredo-wa__preset:hover {
	background: rgba(37, 211, 102, 0.08);
	border-color: rgba(37, 211, 102, 0.25);
	transform: translateX(-2px);
}

[dir="rtl"] .eredo-wa__preset:hover {
	transform: translateX(2px);
}

.eredo-wa__preset.is-active {
	background: rgba(37, 211, 102, 0.12);
	border-color: rgba(37, 211, 102, 0.4);
	box-shadow: inset 0 0 0 1px rgba(37, 211, 102, 0.15);
}

.eredo-wa__preset-icon {
	font-size: 1.15rem;
	line-height: 1;
	flex-shrink: 0;
}

.eredo-wa__preset-label {
	flex: 1;
	font-weight: 500;
}

.eredo-wa__preset-arrow {
	flex-shrink: 0;
	opacity: 0.4;
	transition: opacity 0.2s, transform 0.2s;
}

[dir="rtl"] .eredo-wa__preset-arrow {
	transform: scaleX(-1);
}

.eredo-wa__preset:hover .eredo-wa__preset-arrow {
	opacity: 0.8;
	transform: translateX(-2px);
}

[dir="rtl"] .eredo-wa__preset:hover .eredo-wa__preset-arrow {
	transform: scaleX(-1) translateX(-2px);
}

/* ── Steps ── */
.eredo-wa__progress {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.45rem;
	margin-bottom: 0.85rem;
}

.eredo-wa__progress-dot {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.18);
	transition: width 0.3s var(--wa-ease), background 0.3s var(--wa-ease);
}

.eredo-wa__progress-dot.is-active {
	width: 22px;
	border-radius: 999px;
	background: var(--wa-green);
}

.eredo-wa__step {
	display: none;
}

.eredo-wa__step.is-active {
	display: block;
	animation: eredo-wa-step-in 0.32s var(--wa-ease) both;
}

@keyframes eredo-wa-step-in {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.eredo-wa__back {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	margin-bottom: 0.75rem;
	padding: 0.35rem 0.5rem;
	border: none;
	background: transparent;
	color: var(--wa-muted);
	font-family: inherit;
	font-size: 0.82rem;
	font-weight: 600;
	cursor: pointer;
	border-radius: 8px;
	transition: color 0.2s, background 0.2s;
}

.eredo-wa__back:hover {
	color: var(--wa-text);
	background: rgba(255, 255, 255, 0.05);
}

[dir="rtl"] .eredo-wa__back svg {
	transform: scaleX(-1);
}

.eredo-wa__selected {
	display: flex;
	align-items: center;
	gap: 0.55rem;
	margin-bottom: 0.65rem;
	padding: 0.55rem 0.75rem;
	border-radius: 10px;
	background: rgba(37, 211, 102, 0.1);
	border: 1px solid rgba(37, 211, 102, 0.22);
}

.eredo-wa__selected-icon {
	font-size: 1.1rem;
	line-height: 1;
}

.eredo-wa__selected-label {
	font-size: 0.88rem;
	font-weight: 600;
	color: var(--wa-text);
}

.eredo-wa__compose-hint {
	margin: 0 0 0.75rem;
	font-size: 0.82rem;
	line-height: 1.5;
	color: var(--wa-muted);
}

.eredo-wa__preset--custom {
	border-style: dashed;
	opacity: 0.92;
}

/* ── Compose ── */
.eredo-wa__compose {
	display: flex;
	flex-direction: column;
	gap: 0.65rem;
}

.eredo-wa__fields {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.eredo-wa__field {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.eredo-wa__field-label {
	font-size: 0.82rem;
	font-weight: 600;
	color: var(--wa-text);
}

.eredo-wa__field-label--required::after {
	content: ' *';
	color: var(--wa-gold);
}

.eredo-wa__input {
	width: 100%;
	padding: 0.65rem 0.8rem;
	border: 1px solid var(--wa-border);
	border-radius: 10px;
	background: rgba(0, 0, 0, 0.25);
	color: var(--wa-text);
	font-family: inherit;
	font-size: 0.88rem;
	line-height: 1.5;
	transition: border-color 0.2s, box-shadow 0.2s;
}

textarea.eredo-wa__input {
	min-height: 72px;
	resize: vertical;
}

.eredo-wa__input::placeholder {
	color: rgba(148, 163, 184, 0.6);
}

.eredo-wa__input:focus {
	outline: none;
	border-color: rgba(37, 211, 102, 0.45);
	box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.12);
}

.eredo-wa__input--error {
	border-color: rgba(239, 68, 68, 0.65);
	box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.eredo-wa__textarea {
	width: 100%;
	min-height: 96px;
	padding: 0.75rem 0.85rem;
	border: 1px solid var(--wa-border);
	border-radius: 12px;
	background: rgba(0, 0, 0, 0.25);
	color: var(--wa-text);
	font-family: inherit;
	font-size: 0.88rem;
	line-height: 1.55;
	resize: vertical;
	transition: border-color 0.2s, box-shadow 0.2s;
}

.eredo-wa__textarea::placeholder {
	color: rgba(148, 163, 184, 0.6);
}

.eredo-wa__textarea:focus {
	outline: none;
	border-color: rgba(37, 211, 102, 0.45);
	box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.12);
}

.eredo-wa__send {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	width: 100%;
	padding: 0.8rem 1rem;
	border: none;
	border-radius: 12px;
	background: linear-gradient(135deg, var(--wa-green) 0%, var(--wa-green-dark) 100%);
	color: #fff;
	font-family: inherit;
	font-size: 0.92rem;
	font-weight: 600;
	cursor: pointer;
	transition: transform 0.25s var(--wa-spring), box-shadow 0.25s;
	box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.eredo-wa__send:hover {
	transform: translateY(-1px);
	box-shadow: 0 6px 28px rgba(37, 211, 102, 0.45);
}

.eredo-wa__send:active {
	transform: translateY(0);
}

.eredo-wa__send svg {
	flex-shrink: 0;
}

/* ── Mobile ── */
@media (max-width: 768px) {
	.eredo-wa__modal {
		padding: max(0.75rem, env(safe-area-inset-top, 0px)) max(0.75rem, env(safe-area-inset-right, 0px)) max(0.75rem, env(safe-area-inset-bottom, 0px)) max(0.75rem, env(safe-area-inset-left, 0px));
		align-items: center;
	}

	.eredo-wa__panel {
		width: 100%;
		max-height: min(88dvh, 620px);
	}

	.eredo-wa__body {
		padding: 0.85rem 1rem 1rem;
	}

	.eredo-wa__preset {
		padding: 0.75rem 0.85rem;
	}

	.eredo-wa__send,
	.eredo-wa__fab {
		min-height: 48px;
		touch-action: manipulation;
	}
}

@media (max-width: 480px) {
	.eredo-wa {
		inset-inline-end: max(0.85rem, env(safe-area-inset-right, 0px));
		inset-block-end: max(0.85rem, env(safe-area-inset-bottom, 0px));
	}

	.eredo-wa__fab {
		width: 56px;
		height: 56px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.eredo-wa__fab-pulse,
	.eredo-wa__status-dot {
		animation: none;
	}

	.eredo-wa__modal,
	.eredo-wa__panel,
	.eredo-wa__fab,
	.eredo-wa__preset {
		transition: none;
	}
}