/*
	Professional, modern design system
	- Light/Dark auto via prefers-color-scheme
	- Clear spacing scale, consistent components
*/

:root {
	--bg: #0a0d12;
	--bg-elev: #0f1622;
	--surface: #0f1622;
	--card: rgba(16, 22, 34, 0.7);
	--border: rgba(255, 255, 255, 0.09);
	--text: #e9f1fb;
	--muted: #9bb0c8;
	--primary: #6aa7ff;
	--primary-600: #3f86ff;
	--ghost: #202a39;
	--focus: #9bd1ff;
	--shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
	--radius: 16px;
	--radius-sm: 10px;
	--container: 1160px;
	--space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-5: 20px; --space-6: 24px; --space-7: 28px; --space-8: 32px; --space-10: 40px; --space-12: 48px; --space-16: 64px;
}

@media (prefers-color-scheme: light) {
	:root {
		--bg: #f7f9fc;
		--bg-elev: #ffffff;
		--surface: #ffffff;
		--card: rgba(255, 255, 255, 0.88);
		--border: rgba(12, 20, 33, 0.08);
		--text: #0b1524;
		--muted: #5c6f83;
		--ghost: #eaf0f7;
		--shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
	}
}

html, body { height: 100%; }
body {
	margin: 0;
	font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
	color: var(--text);

	line-height: 1.55;
	font-size: 14px; /* global smaller font */
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.page { display: flex; min-height: 100%; flex-direction: column; }
.page { min-height: 100vh; display: flex; flex-direction: column; }

main { flex: 1 0 auto; display: block; }

/* Center hero vertically on viewport (accounts for approx. navbar+footer) */
#search.hero-center { min-height: calc(100vh - 112px); display: flex; align-items: center; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* Header */
.header { position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(180%) blur(10px); background: linear-gradient(180deg, rgba(10,13,18,0.75), rgba(10,13,18,0.35)); border-bottom: 1px solid var(--border); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; letter-spacing: .2px; }
.brand__logo { font-size: 20px; }
.brand__text { font-size: 18px; }

.nav { display: flex; align-items: center; gap: 10px; }
.nav__link { color: var(--text); text-decoration: none; padding: 8px 10px; border-radius: 8px; opacity: .9; }
.nav__link:hover { background: var(--ghost); }

/* Hero */
.hero { padding: var(--space-16) 0 var(--space-6); }
.hero__inner { display: grid; gap: var(--space-4); justify-items: start; }
.hero__title { margin: 0; font-weight: 800; letter-spacing: -0.01em; line-height: 1.15; font-size: clamp(24px, 3.6vw, 40px); }
.hero__subtitle { margin: 0; color: var(--muted); max-width: 760px; }

/* Search */
.search { width: 100%; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: var(--space-5); }
.search__grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-4); }
.field { display: grid; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field__label { font-weight: 600; font-size: 13px; opacity: .9; }
.field__hint { color: var(--muted); font-size: 12px; }
.input { width: 100%; height: 44px; border-radius: 12px; border: 1px solid var(--border); background: color-mix(in oklab, var(--bg-elev) 82%, transparent); color: var(--text); padding: 10px 12px; outline: none; transition: border .15s, box-shadow .15s, background .15s; }
.input::placeholder { color: color-mix(in oklab, var(--muted) 80%, transparent); }
.input:focus { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in oklab, var(--focus) 25%, transparent); }
.input--textarea { height: auto; resize: vertical; }

/* Placeholder size */
input::placeholder, textarea::placeholder, .form-control::placeholder { font-size: 13px; }

.search__actions { margin-top: 10px; display: flex; justify-content: flex-end; gap: 10px; }

/* Buttons */
.btn { appearance: none; border: 1px solid transparent; background: var(--ghost); color: var(--text); padding: 10px 14px; border-radius: 12px; font-weight: 600; cursor: pointer; transition: transform .04s ease, background .15s, border .15s; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: linear-gradient(180deg, var(--primary), var(--primary-600)); color: #fff; border-color: color-mix(in oklab, var(--primary-600) 45%, transparent); }
.btn--primary:hover { filter: brightness(1.03); }
.btn--ghost { background: transparent; border-color: var(--border); }
.btn--ghost:hover { background: var(--ghost); }
.btn--sm { padding: 8px 10px; border-radius: 8px; font-size: 13px; }
.btn--full { width: 100%; }

.icon-btn { background: transparent; border: 1px solid var(--border); border-radius: 10px; color: var(--text); cursor: pointer; height: 36px; width: 36px; display: grid; place-items: center; }
.icon-btn:hover { background: var(--ghost); }

/* Results */
.results { padding: var(--space-6) 0 var(--space-16); }
.results__header { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.results__meta { color: var(--muted); font-size: 14px; }
.section__title { margin: 0; font-size: 20px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.card--empty { text-align: center; padding: 36px 16px; display: grid; gap: 10px; justify-items: center; }
.card__icon { font-size: 28px; }
.card__header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.card__title { margin: 0; font-size: 16px; }
.card__body { display: grid; gap: 8px; }
.card__footer { display: flex; justify-content: flex-end; }
.badge { background: color-mix(in oklab, var(--primary) 16%, transparent); color: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 4px 8px; font-size: 12px; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.muted { color: var(--muted); }

/* Footer */
.footer { margin-top: auto; border-top: 1px solid var(--border); background: linear-gradient(0deg, rgba(10,13,18,0.7), rgba(10,13,18,0.2)); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.footer__nav { display: flex; gap: 12px; }

/* Fixed footer height */
.site-footer { box-sizing: border-box; }
.site-footer--compact { height: 56px; }

/* Forms */
.form { display: grid; gap: 12px; }
.form--stack { gap: 10px; }
.form__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.form__grid--3 { grid-template-columns: repeat(3, 1fr); }
.form--spacious { padding: var(--space-6); }
.form__actions { display: flex; justify-content: flex-end; gap: var(--space-3); margin-top: var(--space-4); }

/* Subhero / content header */
.subhero { padding: var(--space-10) 0 var(--space-4); background: linear-gradient(180deg, rgba(10,13,18,0.45), rgba(10,13,18,0)); border-bottom: 1px solid var(--border); }
.subhero__inner { display: grid; gap: var(--space-3); }
.breadcrumbs { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--muted); font-size: 14px; }
.crumb { color: var(--muted); text-decoration: none; }
.crumb:hover { text-decoration: underline; }
.crumb-current { color: var(--text); }
.page__title { margin: 0; font-size: clamp(22px, 2.8vw, 28px); font-weight: 700; }
.content { padding: var(--space-6) 0 var(--space-16); }

/* Responsive */
@media (max-width: 900px) {
	.search__grid { grid-template-columns: repeat(2, 1fr); }
	.grid { grid-template-columns: repeat(2, 1fr); }
	.form__grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
	.header__inner { height: auto; padding: 12px 0; gap: 10px; flex-wrap: wrap; }
	.nav { width: 100%; justify-content: space-between; }
	.search__grid { grid-template-columns: 1fr; }
	.form__grid { grid-template-columns: 1fr; }
	.form__grid--3 { grid-template-columns: 1fr; }
	.grid { grid-template-columns: 1fr; }
}

/* Focus visibility */
:where(a, button, input, textarea, [tabindex]) :focus { outline: none; }
:where(a, button, input, textarea, [tabindex]):focus-visible { box-shadow: 0 0 0 3px color-mix(in oklab, var(--focus) 25%, transparent); }