/* =====================================================================
   ZAHRADA IDENTIFIKÁTOR ROSTLIN — moderní CSS (v1.0.0)
   Sage paleta sjednocena s booking pluginem a sezónním průvodcem.
   ===================================================================== */

.zi-root {
	/* Barvy */
	--zi-accent:        hsl(145 22% 38%);
	--zi-accent-hover:  hsl(145 22% 30%);
	--zi-accent-soft:   hsl(145 25% 94%);
	--zi-accent-line:   hsl(145 22% 38% / 0.3);
	--zi-text:          hsl(0 0% 4%);
	--zi-text-muted:    hsl(220 9% 46%);
	--zi-text-subtle:   hsl(220 9% 64%);
	--zi-bg:            hsl(0 0% 100%);
	--zi-bg-soft:       hsl(240 7% 97%);
	--zi-border:        hsl(240 7% 91%);
	--zi-success:       hsl(142 71% 45%);
	--zi-warning:       hsl(38 92% 50%);
	--zi-error:         hsl(0 72% 51%);
	--zi-shadow-sm:     0 1px 2px hsl(0 0% 0% / 0.04);
	--zi-shadow-md:     0 4px 12px hsl(0 0% 0% / 0.06);
	--zi-shadow-lg:     0 8px 32px hsl(0 0% 0% / 0.10);
	--zi-shadow-glow:   0 0 0 4px hsl(145 22% 38% / 0.12);

	/* Typography */
	--zi-font:          system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--zi-font-display:  Georgia, "Times New Roman", serif;
	--zi-fs-xs:    12px;
	--zi-fs-sm:    13px;
	--zi-fs-base:  14px;
	--zi-fs-md:    15px;
	--zi-fs-lg:    16px;
	--zi-fs-xl:    20px;
	--zi-fs-2xl:   clamp(22px, 4vw, 28px);
	--zi-fs-3xl:   clamp(28px, 5vw, 36px);

	--zi-radius-sm:  8px;
	--zi-radius-md:  12px;
	--zi-radius-lg:  16px;
	--zi-radius-xl:  20px;

	--zi-ease:       cubic-bezier(0.4, 0, 0.2, 1);
	--zi-dur-fast:   150ms;
	--zi-dur-base:   220ms;
	--zi-dur-slow:   400ms;

	container-type: inline-size;
	container-name: ziroot;

	font-family: var(--zi-font);
	font-size: var(--zi-fs-base);
	line-height: 1.5;
	color: var(--zi-text);
	box-sizing: border-box;
}
.zi-root *,
.zi-root *::before,
.zi-root *::after { box-sizing: border-box; }

/* Loading */
.zi-loading {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	padding: 80px 20px;
	color: var(--zi-text-muted);
	font-size: var(--zi-fs-sm);
}
.zi-spinner {
	width: 24px; height: 24px;
	border: 2.5px solid var(--zi-border);
	border-top-color: var(--zi-accent);
	border-radius: 50%;
	animation: zi-spin 800ms linear infinite;
}
@keyframes zi-spin {
	to { transform: rotate(360deg); }
}

/* App container */
.zi-app {
	background: var(--zi-bg);
	border: 1px solid var(--zi-border);
	border-radius: var(--zi-radius-xl);
	box-shadow: var(--zi-shadow-md);
	overflow: hidden;
	max-width: 900px;
	margin: 0 auto;
}

.zi-header {
	background: linear-gradient(180deg, var(--zi-accent-soft), transparent);
	padding: 32px 24px 24px;
	border-bottom: 1px solid var(--zi-border);
	text-align: center;
}
.zi-title {
	font-family: var(--zi-font-display);
	font-size: var(--zi-fs-3xl);
	font-weight: 600;
	letter-spacing: -0.02em;
	margin: 0 0 8px;
	color: var(--zi-text);
}
.zi-subtitle {
	font-size: var(--zi-fs-md);
	color: var(--zi-text-muted);
	margin: 0;
	max-width: 540px;
	margin-left: auto;
	margin-right: auto;
}

.zi-content {
	padding: 32px 24px;
}

/* =====================================================================
   UPLOAD ZONE
   ===================================================================== */

.zi-upload-zone {
	position: relative;
	border: 2px dashed var(--zi-border);
	border-radius: var(--zi-radius-lg);
	background: var(--zi-bg-soft);
	padding: 48px 24px;
	text-align: center;
	transition: all var(--zi-dur-base) var(--zi-ease);
	cursor: pointer;
}
.zi-upload-zone:hover,
.zi-upload-zone.zi-upload-zone--hover {
	border-color: var(--zi-accent);
	background: var(--zi-accent-soft);
}
.zi-upload-zone.zi-upload-zone--dragover {
	border-color: var(--zi-accent);
	background: var(--zi-accent-soft);
	box-shadow: var(--zi-shadow-glow);
	transform: scale(1.01);
}

.zi-upload-icon {
	width: 72px; height: 72px;
	margin: 0 auto 16px;
	background: var(--zi-bg);
	border: 1px solid var(--zi-border);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--zi-accent);
	transition: transform var(--zi-dur-base) var(--zi-ease);
}
.zi-upload-zone:hover .zi-upload-icon {
	transform: translateY(-4px);
}
.zi-upload-icon svg {
	width: 32px; height: 32px;
}

.zi-upload-title {
	font-family: var(--zi-font-display);
	font-size: var(--zi-fs-xl);
	font-weight: 600;
	margin: 0 0 6px;
	color: var(--zi-text);
}
.zi-upload-desc {
	font-size: var(--zi-fs-sm);
	color: var(--zi-text-muted);
	margin: 0 0 20px;
}

.zi-upload-actions {
	display: flex;
	gap: 12px;
	justify-content: center;
	flex-wrap: wrap;
	margin-top: 16px;
}

.zi-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 11px 20px;
	border-radius: var(--zi-radius-sm);
	font-family: var(--zi-font);
	font-size: var(--zi-fs-sm);
	font-weight: 500;
	cursor: pointer;
	transition: all var(--zi-dur-fast) var(--zi-ease);
	border: 1.5px solid transparent;
	text-decoration: none;
	white-space: nowrap;
}
.zi-btn svg {
	width: 16px; height: 16px;
	flex-shrink: 0;
}
.zi-btn--primary {
	background: var(--zi-text);
	color: var(--zi-bg);
	border-color: var(--zi-text);
}
.zi-btn--primary:hover {
	background: hsl(0 0% 12%);
	transform: translateY(-1px);
	box-shadow: var(--zi-shadow-md);
}
.zi-btn--secondary {
	background: var(--zi-bg);
	color: var(--zi-text);
	border-color: var(--zi-border);
}
.zi-btn--secondary:hover {
	border-color: var(--zi-text);
}
.zi-btn--ghost {
	background: transparent;
	color: var(--zi-text-muted);
	border-color: transparent;
}
.zi-btn--ghost:hover {
	color: var(--zi-text);
	background: var(--zi-bg-soft);
}
.zi-btn--accent {
	background: var(--zi-accent);
	color: var(--zi-bg);
	border-color: var(--zi-accent);
}
.zi-btn--accent:hover {
	background: var(--zi-accent-hover);
	border-color: var(--zi-accent-hover);
}

.zi-input-file {
	position: absolute;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden;
	clip: rect(0,0,0,0);
	border: 0;
}

.zi-upload-tips {
	margin-top: 24px;
	padding-top: 20px;
	border-top: 1px solid var(--zi-border);
	font-size: var(--zi-fs-xs);
	color: var(--zi-text-muted);
	display: flex;
	gap: 16px;
	justify-content: center;
	flex-wrap: wrap;
}
.zi-upload-tip {
	display: inline-flex;
	align-items: center;
	gap: 6px;
}
.zi-upload-tip svg {
	width: 14px; height: 14px;
	color: var(--zi-accent);
}

/* =====================================================================
   ORGAN PICKER
   ===================================================================== */

.zi-organ-picker {
	margin-top: 24px;
}
.zi-organ-picker-label {
	display: block;
	font-size: var(--zi-fs-sm);
	color: var(--zi-text-muted);
	margin-bottom: 10px;
	text-align: center;
}
.zi-organ-options {
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
	justify-content: center;
}
.zi-organ {
	background: var(--zi-bg);
	border: 1.5px solid var(--zi-border);
	border-radius: 999px;
	padding: 8px 14px;
	font-family: var(--zi-font);
	font-size: var(--zi-fs-sm);
	font-weight: 500;
	color: var(--zi-text-muted);
	cursor: pointer;
	transition: all var(--zi-dur-fast) var(--zi-ease);
	display: inline-flex;
	align-items: center;
	gap: 6px;
}
.zi-organ:hover {
	border-color: var(--zi-accent);
	color: var(--zi-text);
}
.zi-organ.zi-organ--active {
	background: var(--zi-text);
	color: var(--zi-bg);
	border-color: var(--zi-text);
}
.zi-organ svg {
	width: 14px; height: 14px;
}

/* =====================================================================
   PROCESSING STATE
   ===================================================================== */

.zi-processing {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 60px 24px;
	text-align: center;
}
.zi-processing-img {
	width: 200px; height: 200px;
	border-radius: var(--zi-radius-md);
	object-fit: cover;
	box-shadow: var(--zi-shadow-md);
	margin-bottom: 24px;
	border: 2px solid var(--zi-bg);
	position: relative;
}
.zi-processing-spinner {
	width: 48px; height: 48px;
	border: 3px solid var(--zi-border);
	border-top-color: var(--zi-accent);
	border-radius: 50%;
	animation: zi-spin 800ms linear infinite;
	margin-bottom: 16px;
}
.zi-processing-title {
	font-family: var(--zi-font-display);
	font-size: var(--zi-fs-xl);
	font-weight: 600;
	margin: 0 0 6px;
	color: var(--zi-text);
}
.zi-processing-desc {
	font-size: var(--zi-fs-sm);
	color: var(--zi-text-muted);
	margin: 0;
}
.zi-processing-steps {
	margin-top: 24px;
	display: flex;
	gap: 16px;
	color: var(--zi-text-subtle);
	font-size: var(--zi-fs-xs);
}
.zi-processing-step {
	display: flex;
	align-items: center;
	gap: 6px;
	opacity: 0.5;
	transition: opacity var(--zi-dur-base) var(--zi-ease);
}
.zi-processing-step.zi-processing-step--active {
	opacity: 1;
	color: var(--zi-accent);
}
.zi-processing-step svg {
	width: 14px; height: 14px;
}

/* =====================================================================
   RESULTS VIEW
   ===================================================================== */

.zi-results {
	display: grid;
	gap: 24px;
}

.zi-result-hero {
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: 24px;
	align-items: start;
	padding: 24px;
	background: linear-gradient(135deg, var(--zi-accent-soft), transparent);
	border-radius: var(--zi-radius-lg);
	border: 1px solid var(--zi-accent-line);
}
.zi-result-img {
	width: 100%;
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: var(--zi-radius-md);
	box-shadow: var(--zi-shadow-md);
	border: 3px solid var(--zi-bg);
}
.zi-result-info {
	display: flex;
	flex-direction: column;
	gap: 8px;
}
.zi-result-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: var(--zi-bg);
	color: var(--zi-success);
	border: 1px solid var(--zi-accent-line);
	border-radius: 999px;
	padding: 4px 10px;
	font-size: var(--zi-fs-xs);
	font-weight: 600;
	width: fit-content;
}
.zi-result-badge svg {
	width: 14px; height: 14px;
}
.zi-result-name {
	font-family: var(--zi-font-display);
	font-size: var(--zi-fs-2xl);
	font-weight: 600;
	letter-spacing: -0.02em;
	margin: 0;
	color: var(--zi-text);
}
.zi-result-latin {
	font-style: italic;
	color: var(--zi-text-muted);
	font-size: var(--zi-fs-md);
	margin: 0;
}
.zi-result-meta {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
	margin-top: 8px;
}
.zi-result-meta-item {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: var(--zi-fs-sm);
	color: var(--zi-text-muted);
}
.zi-result-meta-item strong {
	color: var(--zi-text);
}

/* Confidence bar */
.zi-confidence {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-top: 4px;
}
.zi-confidence-track {
	flex: 1;
	height: 6px;
	background: var(--zi-bg);
	border-radius: 999px;
	overflow: hidden;
	border: 1px solid var(--zi-border);
}
.zi-confidence-fill {
	height: 100%;
	background: linear-gradient(90deg, var(--zi-accent), var(--zi-success));
	border-radius: 999px;
	transition: width var(--zi-dur-slow) var(--zi-ease);
}
.zi-confidence-pct {
	font-size: var(--zi-fs-sm);
	font-weight: 600;
	color: var(--zi-text);
	min-width: 40px;
	text-align: right;
}

/* Alternative results */
.zi-alternatives {
	margin-top: 8px;
}
.zi-alternatives-title {
	font-size: var(--zi-fs-sm);
	font-weight: 600;
	color: var(--zi-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.04em;
	margin: 0 0 12px;
}
.zi-alt-list {
	display: grid;
	gap: 8px;
}
.zi-alt-item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px 16px;
	background: var(--zi-bg-soft);
	border: 1px solid var(--zi-border);
	border-radius: var(--zi-radius-sm);
	transition: all var(--zi-dur-fast) var(--zi-ease);
}
.zi-alt-item:hover {
	border-color: var(--zi-accent);
	background: var(--zi-accent-soft);
}
.zi-alt-info {
	flex: 1;
	min-width: 0;
}
.zi-alt-name {
	font-weight: 500;
	color: var(--zi-text);
	margin: 0;
	font-size: var(--zi-fs-base);
}
.zi-alt-latin {
	font-style: italic;
	color: var(--zi-text-muted);
	font-size: var(--zi-fs-xs);
	margin: 0;
}
.zi-alt-score {
	font-size: var(--zi-fs-xs);
	font-weight: 600;
	color: var(--zi-text-muted);
	background: var(--zi-bg);
	border: 1px solid var(--zi-border);
	border-radius: 999px;
	padding: 4px 10px;
	white-space: nowrap;
}

/* CTA card */
.zi-cta {
	background: var(--zi-text);
	color: var(--zi-bg);
	border-radius: var(--zi-radius-lg);
	padding: 28px 24px;
	text-align: center;
	position: relative;
	overflow: hidden;
}
.zi-cta::before {
	content: '';
	position: absolute;
	inset: 0;
	background: radial-gradient(circle at 70% 30%, hsl(145 22% 38% / 0.4), transparent 50%);
	pointer-events: none;
}
.zi-cta-inner {
	position: relative;
	z-index: 1;
}
.zi-cta-title {
	font-family: var(--zi-font-display);
	font-size: var(--zi-fs-xl);
	font-weight: 600;
	margin: 0 0 6px;
}
.zi-cta-desc {
	font-size: var(--zi-fs-sm);
	color: hsl(0 0% 100% / 0.7);
	margin: 0 0 20px;
	max-width: 480px;
	margin-left: auto;
	margin-right: auto;
}
.zi-cta-actions {
	display: flex;
	gap: 12px;
	justify-content: center;
	flex-wrap: wrap;
}
.zi-cta .zi-btn--primary {
	background: var(--zi-bg);
	color: var(--zi-text);
	border-color: var(--zi-bg);
}
.zi-cta .zi-btn--primary:hover {
	background: hsl(0 0% 95%);
}
.zi-cta .zi-btn--ghost {
	color: var(--zi-bg);
}
.zi-cta .zi-btn--ghost:hover {
	background: hsl(0 0% 100% / 0.1);
	color: var(--zi-bg);
}

/* =====================================================================
   ERROR / EMPTY STATES
   ===================================================================== */

.zi-error {
	background: hsl(0 80% 97%);
	border: 1px solid hsl(0 70% 90%);
	color: hsl(0 60% 40%);
	border-radius: var(--zi-radius-md);
	padding: 16px 20px;
	display: flex;
	align-items: flex-start;
	gap: 12px;
	margin-bottom: 16px;
}
.zi-error-icon {
	width: 20px; height: 20px;
	flex-shrink: 0;
	color: var(--zi-error);
	margin-top: 2px;
}
.zi-error-content {
	flex: 1;
}
.zi-error-title {
	font-weight: 600;
	margin: 0 0 4px;
	font-size: var(--zi-fs-sm);
	color: var(--zi-error);
}
.zi-error-desc {
	margin: 0;
	font-size: var(--zi-fs-sm);
	color: hsl(0 50% 35%);
}

.zi-warning {
	background: hsl(38 92% 96%);
	border: 1px solid hsl(38 80% 85%);
	color: hsl(38 60% 30%);
	border-radius: var(--zi-radius-sm);
	padding: 12px 16px;
	font-size: var(--zi-fs-sm);
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 16px;
}
.zi-warning svg {
	width: 18px; height: 18px;
	color: var(--zi-warning);
	flex-shrink: 0;
}

/* =====================================================================
   HISTORY SECTION
   ===================================================================== */

.zi-history {
	margin-top: 32px;
	padding-top: 24px;
	border-top: 1px solid var(--zi-border);
}
.zi-history-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 16px;
}
.zi-history-title {
	font-size: var(--zi-fs-sm);
	font-weight: 600;
	color: var(--zi-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.04em;
	margin: 0;
}
.zi-history-clear {
	background: transparent;
	border: none;
	color: var(--zi-text-subtle);
	font-size: var(--zi-fs-xs);
	cursor: pointer;
	padding: 4px 8px;
	border-radius: 4px;
	transition: color var(--zi-dur-fast);
}
.zi-history-clear:hover {
	color: var(--zi-error);
}
.zi-history-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
	gap: 10px;
}
.zi-history-item {
	background: var(--zi-bg);
	border: 1px solid var(--zi-border);
	border-radius: var(--zi-radius-sm);
	padding: 8px;
	cursor: pointer;
	transition: all var(--zi-dur-fast) var(--zi-ease);
	text-align: left;
	width: 100%;
	font-family: var(--zi-font);
}
.zi-history-item:hover {
	border-color: var(--zi-accent);
	transform: translateY(-1px);
	box-shadow: var(--zi-shadow-sm);
}
.zi-history-img {
	width: 100%;
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: 6px;
	margin-bottom: 6px;
	background: var(--zi-bg-soft);
}
.zi-history-name {
	font-size: var(--zi-fs-xs);
	font-weight: 500;
	color: var(--zi-text);
	margin: 0;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.zi-history-date {
	font-size: 11px;
	color: var(--zi-text-subtle);
	margin: 2px 0 0;
}

/* =====================================================================
   RESPONSIVITA — container queries (reagují na šířku ziroot)
   ===================================================================== */

@container ziroot (max-width: 720px) {
	.zi-header { padding: 28px 16px 20px; }
	.zi-content { padding: 24px 16px; }
	.zi-upload-zone { padding: 36px 20px; }
	.zi-result-hero {
		grid-template-columns: 1fr;
		text-align: center;
	}
	.zi-result-img { max-width: 240px; margin: 0 auto; }
	.zi-result-info { align-items: center; }
}

@container ziroot (max-width: 480px) {
	.zi-content { padding: 20px 14px; }
	.zi-upload-zone { padding: 28px 16px; }
	.zi-upload-icon { width: 56px; height: 56px; }
	.zi-upload-icon svg { width: 24px; height: 24px; }
	.zi-upload-actions { flex-direction: column; }
	.zi-upload-actions .zi-btn { width: 100%; }
	.zi-organ-options { gap: 4px; }
	.zi-organ { padding: 6px 10px; font-size: var(--zi-fs-xs); }
	.zi-result-hero { padding: 16px; }
	.zi-history-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}

/* Viewport fallbacks */
@media (max-width: 720px) {
	.zi-result-hero {
		grid-template-columns: 1fr;
		text-align: center;
	}
	.zi-result-img { max-width: 240px; margin: 0 auto; }
}
@media (max-width: 480px) {
	.zi-upload-actions { flex-direction: column; }
	.zi-upload-actions .zi-btn { width: 100%; }
}

/* Accessibility */
.zi-root :focus-visible {
	outline: 2px solid var(--zi-accent);
	outline-offset: 2px;
	border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
	.zi-root *,
	.zi-root *::before,
	.zi-root *::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
	}
}