/* Insta4DL – scoped under .i4d so themes are not affected.
   Every colour is a custom property, so a theme can re-skin the tool without !important. */
.i4d {
	--i4d-grad: linear-gradient(120deg, #8624e7 0%, #4f46e5 45%, #0097f4 80%, #22d3ee 100%);
	--i4d-accent: #6d28d9;
	--i4d-accent-2: #0097f4;
	--i4d-text: #0b1533;
	--i4d-muted: #5b6785;
	--i4d-card: #ffffff;
	--i4d-soft: #f3f5fb;
	--i4d-border: #e3e7f2;
	--i4d-radius: 20px;
	--i4d-shadow: 0 12px 34px rgba(11, 21, 51, .08);
	--i4d-hero-bg: var(--i4d-grad);
	--i4d-hero-text: #ffffff;
	--i4d-hero-muted: rgba(255, 255, 255, .88);
	--i4d-hero-pad: 28px 20px 30px;
	--i4d-hero-shadow: 0 20px 44px rgba(79, 70, 229, .28);
	--i4d-tab-bg: rgba(255, 255, 255, .12);
	--i4d-tab-border: rgba(255, 255, 255, .3);
	color: var(--i4d-text);
	max-width: 1080px;
	margin: 0 auto;
	font-family: inherit;
	line-height: 1.6;
	box-sizing: border-box;
}
.i4d *, .i4d *::before, .i4d *::after { box-sizing: inherit; }
.i4d button { font: inherit; cursor: pointer; }
.i4d [hidden] { display: none !important; }
.i4d svg { flex: none; }

/* Hero */
.i4d-hero {
	background: var(--i4d-hero-bg);
	color: var(--i4d-hero-text);
	border-radius: calc(var(--i4d-radius) + 6px);
	padding: var(--i4d-hero-pad);
	text-align: center;
	box-shadow: var(--i4d-hero-shadow);
}
.i4d-tabs { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 0 auto 22px; }
.i4d-tab {
	display: inline-flex; align-items: center; gap: 7px;
	border: 1px solid var(--i4d-tab-border);
	background: var(--i4d-tab-bg);
	color: var(--i4d-hero-text) !important;
	text-decoration: none !important;
	padding: 8px 15px;
	border-radius: 999px;
	font-size: 14px; font-weight: 600; line-height: 1.2;
	transition: background .15s, color .15s, border-color .15s, transform .15s;
}
.i4d-tab:hover { background: rgba(255, 255, 255, .24); transform: translateY(-1px); }
.i4d-tab.is-active { background: #fff; color: var(--i4d-accent) !important; border-color: #fff; box-shadow: 0 6px 18px rgba(0, 0, 0, .12); }
.i4d-title { color: var(--i4d-hero-text); font-size: clamp(26px, 4.4vw, 44px); line-height: 1.15; margin: 0 0 10px; font-weight: 800; letter-spacing: -.02em; }
.i4d-sub { color: var(--i4d-hero-muted); margin: 0 auto 24px; max-width: 640px; font-size: clamp(15px, 1.6vw, 17px); }

/* Form */
.i4d-form {
	display: flex; gap: 8px;
	max-width: 780px; margin: 0 auto;
	background: #fff;
	padding: 8px;
	border-radius: 18px;
	box-shadow: 0 14px 40px rgba(6, 18, 53, .22);
}
.i4d-field { position: relative; flex: 1; display: flex; align-items: center; min-width: 0; }
.i4d-input {
	width: 100%;
	border: 0 !important; outline: none;
	background: transparent !important; box-shadow: none !important;
	color: var(--i4d-text);
	font-size: 16px;
	padding: 12px 14px; padding-inline-end: 112px;
	margin: 0; min-height: 52px; text-align: start;
}
.i4d[dir="rtl"] .i4d-input:placeholder-shown { direction: rtl; }
.i4d-input::placeholder { color: #8f98b3; }
.i4d-paste, .i4d-clear {
	position: absolute; inset-inline-end: 6px;
	display: inline-flex; align-items: center; gap: 6px;
	border: 0; background: var(--i4d-soft); color: var(--i4d-text);
	padding: 9px 13px; border-radius: 12px;
	font-size: 14px; font-weight: 600;
}
.i4d-paste:hover, .i4d-clear:hover { background: #e7ebf6; }
.i4d-clear { padding: 9px; }
.i4d-submit {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	border: 0; background: var(--i4d-grad); background-size: 140% 100%;
	color: #fff; font-weight: 700; font-size: 16px;
	padding: 0 28px; min-height: 52px; border-radius: 13px;
	transition: background-position .3s, transform .1s, box-shadow .2s;
	box-shadow: 0 8px 20px rgba(79, 70, 229, .35);
}
.i4d-submit:hover { background-position: 100% 0; }
.i4d-submit:active { transform: scale(.98); }
.i4d-submit:disabled { opacity: .75; cursor: wait; }
.i4d-input:focus-visible, .i4d button:focus-visible, .i4d a:focus-visible { outline: 3px solid rgba(0, 151, 244, .45); outline-offset: 2px; }

/* In-app browser notice */
.i4d-inapp { max-width: 780px; margin: 14px auto 0; padding: 10px 14px; border-radius: 12px; background: #fff7e6; color: #8a5a00; border: 1px solid #fde3a7; font-size: 14px; font-weight: 600; text-align: start; }

/* History chips */
.i4d-history { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; align-items: center; margin: 14px auto 0; max-width: 780px; }
.i4d-history-label { font-size: 13px; color: var(--i4d-hero-muted); margin-inline-end: 2px; }
.i4d-chip { border: 1px solid var(--i4d-tab-border); background: var(--i4d-tab-bg); color: var(--i4d-hero-text); border-radius: 999px; padding: 3px 11px; font-size: 13px; max-width: 220px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.i4d-chip:hover { background: rgba(255, 255, 255, .24); }
.i4d-chip--clear { opacity: .75; border-style: dashed; }

/* Status */
.i4d-status { margin: 18px auto 0; max-width: 780px; text-align: center; font-weight: 600; }
.i4d-status:empty { display: none; }
.i4d-status.is-loading { display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--i4d-muted); }
.i4d-status.is-error { background: #fff1f3; color: #be123c; border: 1px solid #fecdd3; padding: 12px 16px; border-radius: 14px; }
.i4d-spinner { width: 22px; height: 22px; border-radius: 50%; border: 3px solid #dfe3fb; border-top-color: var(--i4d-accent); animation: i4d-spin .8s linear infinite; }
@keyframes i4d-spin { to { transform: rotate(360deg); } }

/* Toast */
.i4d-toast {
	position: fixed; z-index: 99999; left: 50%; bottom: 24px; transform: translate(-50%, 20px);
	background: #0b1533; color: #fff; padding: 10px 18px; border-radius: 999px; font-weight: 600; font-size: 14px;
	box-shadow: 0 12px 30px rgba(0, 0, 0, .25); opacity: 0; transition: opacity .2s, transform .2s;
}
.i4d-toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* Results */
.i4d-results:empty { display: none; }
.i4d-result {
	margin-top: 22px; background: var(--i4d-card);
	border: 1px solid var(--i4d-border); border-radius: var(--i4d-radius);
	padding: 20px; box-shadow: var(--i4d-shadow);
	animation: i4d-in .25s ease-out;
}
@keyframes i4d-in { from { opacity: 0; transform: translateY(8px); } }
.i4d-back { border: 0; background: var(--i4d-soft); padding: 6px 14px; border-radius: 999px; margin-bottom: 12px; font-weight: 600; color: var(--i4d-text); }
.i4d-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.i4d-owner { display: flex; align-items: center; gap: 11px; min-width: 0; }
.i4d-avatar { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; flex: none; padding: 2px; border: 2px solid transparent; background-image: linear-gradient(#fff, #fff), var(--i4d-grad); background-origin: border-box; background-clip: content-box, border-box; }
.i4d-avatar--empty { display: inline-block; }
.i4d-owner-meta { display: flex; flex-direction: column; min-width: 0; line-height: 1.35; }
.i4d-username { font-weight: 700; color: var(--i4d-text) !important; text-decoration: none !important; direction: ltr; unicode-bidi: isolate; }
.i4d-fullname { color: var(--i4d-muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.i4d-stats-row { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 14px; color: var(--i4d-muted); font-size: 13.5px; }
.i4d-stat { display: inline-flex; align-items: center; gap: 5px; }
.i4d-stat svg { width: 16px; height: 16px; }

.i4d-caption-box { margin-top: 14px; background: var(--i4d-soft); border-radius: 14px; padding: 14px; }
.i4d-caption-box.is-prominent { border: 1px solid var(--i4d-border); background: #fff; }
.i4d-caption { color: #2a3452; font-size: 14.5px; margin: 0; white-space: pre-line; overflow-wrap: anywhere; }
.i4d-caption.is-clamped { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.i4d-caption-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; align-items: center; }
.i4d-caption-actions .i4d-btn { flex: 0 0 auto; padding: 8px 12px; font-size: 13px; }
.i4d-caption-empty { color: var(--i4d-muted); margin: 14px 0 0; }
.i4d-more { border: 0; background: none; color: var(--i4d-accent); font-weight: 700; font-size: 13px; padding: 4px 6px; }

.i4d-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 300px)); justify-content: center; gap: 16px; margin-top: 18px; }
.i4d-grid.is-single { grid-template-columns: minmax(0, 420px); }
.i4d-card { background: var(--i4d-soft); border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; }
.i4d-frame { position: relative; background: #000; aspect-ratio: 4 / 5; }
.i4d-media { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: contain; display: block; background: #000; margin: 0 !important; border-radius: 0 !important; }
.i4d-badge, .i4d-type, .i4d-size, .i4d-when {
	position: absolute; z-index: 1; top: 8px; font-size: 12px; font-weight: 700;
	background: rgba(6, 18, 53, .6); color: #fff; border-radius: 999px; padding: 2px 9px; pointer-events: none;
	-webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.i4d-badge { inset-inline-start: 8px; }
.i4d-type { inset-inline-end: 8px; }
.i4d-size { top: auto; bottom: 8px; inset-inline-start: 8px; font-weight: 500; direction: ltr; }
.i4d-when { top: auto; bottom: 8px; inset-inline-end: 8px; font-weight: 500; }
.i4d-card video ~ .i4d-size, .i4d-card video ~ .i4d-when { top: 40px; bottom: auto; } /* keep clear of the native video controls */
.i4d-actions { display: flex; gap: 8px; padding: 10px; }
.i4d-btn {
	flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	background: var(--i4d-grad); color: #fff !important; text-decoration: none !important;
	border: 0; border-radius: 12px; padding: 11px 14px; font-weight: 700; font-size: 14px; line-height: 1.2;
	transition: filter .15s, transform .1s;
}
.i4d-btn:hover { filter: brightness(1.08); }
.i4d-btn:active { transform: scale(.98); }
.i4d-btn:disabled { opacity: .7; cursor: progress; }
.i4d-btn--ghost { flex: 0 0 auto; background: #fff; color: var(--i4d-text) !important; border: 1px solid var(--i4d-border); }
.i4d-btn--ghost:hover { filter: none; border-color: #c7cde3; background: #fafbff; }
.i4d-btn--all { flex: 0 0 auto; }

/* Highlights tray */
.i4d-section { font-size: 16px; margin: 22px 0 10px; }
.i4d-tray { display: flex; gap: 14px; overflow-x: auto; padding: 4px 2px 10px; scroll-snap-type: x mandatory; }
.i4d-hl { border: 0; background: none; display: flex; flex-direction: column; align-items: center; gap: 6px; width: 84px; flex: none; scroll-snap-align: start; color: var(--i4d-text); padding: 0; }
.i4d-hl-ring { width: 76px; height: 76px; border-radius: 50%; padding: 3px; background: var(--i4d-grad); display: block; transition: transform .15s; }
.i4d-hl:hover .i4d-hl-ring { transform: scale(1.06); }
.i4d-hl-ring img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 3px solid #fff; display: block; margin: 0; }
.i4d-hl-title { font-size: 12px; max-width: 84px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Profile */
.i4d-profile { display: flex; gap: 24px; align-items: center; margin-top: 16px; flex-wrap: wrap; justify-content: center; }
.i4d-profile-pic { width: 180px; height: 180px; border-radius: 50%; object-fit: cover; padding: 4px; background: var(--i4d-grad); margin: 0; }
.i4d-profile-info { flex: 1; min-width: 240px; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.i4d-profile-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.i4d-profile-actions .i4d-btn { flex: 0 0 auto; }
.i4d-stats { display: flex; gap: 26px; }
.i4d-stats div { display: flex; flex-direction: column; align-items: center; }
.i4d-stats strong { font-size: 19px; direction: ltr; }
.i4d-stats span { color: var(--i4d-muted); font-size: 13px; }
.i4d-private { background: var(--i4d-soft); padding: 2px 10px; border-radius: 999px; font-size: 13px; }
.i4d-recent { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
.i4d-recent-item { position: relative; border: 0; padding: 0; aspect-ratio: 1; overflow: hidden; border-radius: 12px; background: var(--i4d-soft); }
.i4d-recent-item img { width: 100%; height: 100%; object-fit: cover; display: block; margin: 0; transition: transform .2s; }
.i4d-recent-item:hover img { transform: scale(1.05); }
.i4d-recent-dl { position: absolute; inset: auto 8px 8px auto; background: rgba(6, 18, 53, .6); color: #fff; border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }
.i4d[dir="rtl"] .i4d-recent-dl { inset: auto auto 8px 8px; }

/* Built-in guide & FAQ (used when no theme provides its own) */
.i4d-guide, .i4d-faq { margin-top: 40px; }
.i4d-guide h2, .i4d-faq h2 { text-align: center; font-size: clamp(20px, 3vw, 26px); margin: 0 0 18px; }
.i4d-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.i4d-steps li { background: var(--i4d-card); border: 1px solid var(--i4d-border); border-radius: var(--i4d-radius); padding: 20px; text-align: center; margin: 0; }
.i4d-step-n { display: inline-flex; width: 40px; height: 40px; border-radius: 50%; align-items: center; justify-content: center; background: var(--i4d-grad); color: #fff; font-weight: 800; }
.i4d-steps h3 { font-size: 17px; margin: 10px 0 6px; }
.i4d-steps p { color: var(--i4d-muted); margin: 0; font-size: 14px; }
.i4d-faq { max-width: 820px; margin-inline: auto; }
.i4d-faq details { background: var(--i4d-card); border: 1px solid var(--i4d-border); border-radius: 14px; padding: 14px 18px; margin-bottom: 10px; }
.i4d-faq summary { font-weight: 700; cursor: pointer; }
.i4d-faq details p { margin: 10px 0 0; color: var(--i4d-muted); }
.i4d-disclaimer { text-align: center; color: var(--i4d-muted); font-size: 12px; margin: 28px auto 0; max-width: 720px; }

/* Mobile */
@media (max-width: 640px) {
	.i4d { --i4d-hero-pad: 22px 12px 22px; }
	.i4d-hero { border-radius: var(--i4d-radius); }
	.i4d-tabs { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding-bottom: 4px; margin-inline: -12px; padding-inline: 12px; scrollbar-width: none; -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent); }
	.i4d-tabs::-webkit-scrollbar { display: none; }
	.i4d-tab { flex: none; }
	.i4d-form { flex-direction: column; padding: 6px; }
	.i4d-submit { width: 100%; }
	.i4d-result { padding: 14px; }
	.i4d-grid { grid-template-columns: 1fr; }
	.i4d-head .i4d-btn--all { width: 100%; }
	.i4d-recent { grid-template-columns: repeat(3, 1fr); gap: 4px; }
	.i4d-profile-pic { width: 140px; height: 140px; }
	.i4d-profile-info { align-items: center; text-align: center; }
	.i4d-profile-actions { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
	.i4d *, .i4d *::before, .i4d *::after { animation: none !important; transition: none !important; }
}