:root {
	color-scheme: light dark;
	--bg: #fafafa;
	--card-bg: #ffffff;
	--fg: #111827;
	--muted: #6b7280;
	--muted-light: #9ca3af;
	--accent: #3b82f6;
	--accent-hover: #2563eb;
	--accent-light: #eff6ff;
	--accent-border: #bfdbfe;
	--border: #e5e7eb;
	--border-subtle: #f3f4f6;
	--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
	--shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
	--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
	--radius-sm: 6px;
	--radius: 12px;
	--radius-lg: 16px;
	--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #0f172a;
		--card-bg: #1e293b;
		--fg: #f8fafc;
		--muted: #94a3b8;
		--muted-light: #64748b;
		--accent: #38bdf8;
		--accent-hover: #0284c7;
		--accent-light: #0c4a6e;
		--accent-border: #0369a1;
		--border: #334155;
		--border-subtle: #1e293b;
		--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
		--shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
		--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
	}
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background-color: var(--bg);
	color: var(--fg);
	font-family: var(--font);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	padding-bottom: 4rem;
}

.shell {
	max-width: 64rem;
	margin: 0 auto;
	padding: 2.5rem 1.25rem;
}

/* Header Banner */
.header-banner {
	text-align: center;
	margin-bottom: 2.5rem;
	padding: 1rem 0;
}

.badge-pill {
	display: inline-block;
	padding: 0.25rem 0.85rem;
	background: var(--accent-light);
	color: var(--accent);
	border: 1px solid var(--accent-border);
	border-radius: 9999px;
	font-size: 0.85rem;
	font-weight: 600;
	margin-bottom: 1rem;
	letter-spacing: 0.01em;
}

h1 {
	margin: 0 0 0.75rem;
	font-size: clamp(2rem, 5vw, 2.75rem);
	font-weight: 800;
	letter-spacing: -0.03em;
	background: linear-gradient(135deg, var(--fg) 40%, var(--muted));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

.lede {
	max-width: 36rem;
	margin: 0 auto;
	color: var(--muted);
	font-size: 1.1rem;
	line-height: 1.5;
}

/* App Grid Layout */
.app-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2rem;
	align-items: start;
}

@media (min-width: 900px) {
	.app-grid {
		grid-template-columns: 22rem 1fr;
	}
}

/* Cards & Containers */
.card {
	background: var(--card-bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	padding: 1.5rem;
	box-shadow: var(--shadow-sm);
	transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.form-card {
	position: sticky;
	top: 1.5rem;
}

.form-card h2 {
	margin-top: 0;
	margin-bottom: 1.25rem;
	font-size: 1.25rem;
	font-weight: 700;
}

/* Form Styles */
.stack {
	display: flex;
	flex-direction: column;
	gap: 1.1rem;
}

.field {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.field label {
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--fg);
}

.label-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.char-count {
	font-size: 0.75rem;
	color: var(--muted);
}

.input,
.textarea {
	width: 100%;
	padding: 0.65rem 0.85rem;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--card-bg);
	color: var(--fg);
	font-family: inherit;
	font-size: 0.95rem;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.textarea {
	resize: vertical;
	min-height: 5rem;
}

.input:focus,
.textarea:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-light);
}

/* Emoji Selector */
.emoji-picker {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
}

.emoji-btn {
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: 0.35rem 0.5rem;
	font-size: 1.15rem;
	cursor: pointer;
	transition: transform 0.1s ease, border-color 0.15s ease, background 0.15s ease;
}

.emoji-btn:hover {
	transform: scale(1.1);
	border-color: var(--accent);
}

.emoji-btn.selected {
	border-color: var(--accent);
	background: var(--accent-light);
	box-shadow: 0 0 0 1px var(--accent);
}

/* Alerts */
.alert {
	padding: 0.75rem 1rem;
	border-radius: var(--radius);
	font-size: 0.875rem;
	line-height: 1.4;
	margin-bottom: 1rem;
}

.alert-error {
	background: #fef2f2;
	color: #991b1b;
	border: 1px solid #fecaca;
}

.alert-success {
	background: #f0fdf4;
	color: #166534;
	border: 1px solid #bbf7d0;
}

@media (prefers-color-scheme: dark) {
	.alert-error {
		background: #450a0a;
		color: #fca5a5;
		border-color: #7f1d1d;
	}
	.alert-success {
		background: #052e16;
		color: #86efac;
		border-color: #14532d;
	}
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.7rem 1.25rem;
	border-radius: var(--radius);
	font-size: 0.95rem;
	font-weight: 600;
	cursor: pointer;
	border: 1px solid transparent;
	transition: all 0.15s ease;
}

.btn-primary {
	background: var(--accent);
	color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
	background: var(--accent-hover);
	box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.btn-secondary {
	background: var(--card-bg);
	border-color: var(--border);
	color: var(--fg);
}

.btn-secondary:hover {
	background: var(--bg);
	border-color: var(--muted-light);
}

.btn-sm {
	padding: 0.35rem 0.75rem;
	font-size: 0.85rem;
}

/* Entries Section */
.entries-section {
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.entries-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.title-with-count {
	display: flex;
	align-items: center;
	gap: 0.6rem;
}

.title-with-count h2 {
	margin: 0;
	font-size: 1.35rem;
	font-weight: 700;
}

.count-tag {
	background: var(--accent-light);
	color: var(--accent);
	font-size: 0.8rem;
	font-weight: 700;
	padding: 0.15rem 0.6rem;
	border-radius: 9999px;
	border: 1px solid var(--accent-border);
}

/* Search Box */
.search-box {
	position: relative;
}

.search-input {
	padding-right: 2.2rem;
}

.clear-search-btn {
	position: absolute;
	right: 0.75rem;
	top: 50%;
	transform: translateY(-50%);
	background: none;
	border: none;
	color: var(--muted);
	font-size: 0.9rem;
	cursor: pointer;
	padding: 0.2rem;
}

.clear-search-btn:hover {
	color: var(--fg);
}

/* Messages List */
.messages-list {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.message-card {
	padding: 1.25rem 1.5rem;
	transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.message-card:hover {
	box-shadow: var(--shadow-md);
	border-color: var(--muted-light);
}

.message-header {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	gap: 1rem;
	margin-bottom: 0.85rem;
}

.author-info {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.avatar-badge {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 50%;
	background: var(--bg);
	border: 1px solid var(--border);
	font-size: 1.3rem;
	flex-shrink: 0;
}

.author-name {
	margin: 0;
	font-size: 1rem;
	font-weight: 700;
	color: var(--fg);
}

.location-tag {
	display: inline-block;
	font-size: 0.78rem;
	color: var(--muted);
	font-weight: 500;
}

.timestamp {
	font-size: 0.8rem;
	color: var(--muted);
	white-space: nowrap;
}

.message-body {
	color: var(--fg);
	font-size: 0.98rem;
	line-height: 1.6;
	margin-bottom: 1rem;
	word-break: break-word;
}

.message-body p {
	margin: 0;
	white-space: pre-wrap;
}

.message-footer {
	display: flex;
	justify-content: flex-end;
	align-items: center;
	border-top: 1px solid var(--border-subtle);
	padding-top: 0.75rem;
}

.like-btn {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: 9999px;
	padding: 0.3rem 0.75rem;
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--muted);
	cursor: pointer;
	transition: all 0.15s ease;
}

.like-btn:hover:not(:disabled) {
	border-color: #f43f5e;
	color: #e11d48;
	transform: scale(1.05);
}

.like-btn.liked {
	border-color: #fda4af;
	background: #fff1f2;
	color: #e11d48;
}

@media (prefers-color-scheme: dark) {
	.like-btn.liked {
		background: #4c0519;
		border-color: #881337;
		color: #fb7185;
	}
}

.like-btn .heart {
	font-size: 0.9rem;
}

/* Empty & Loading States */
.loading-state,
.empty {
	text-align: center;
	padding: 3rem 1.5rem;
	color: var(--muted);
}

.empty-title {
	font-size: 1.1rem;
	font-weight: 600;
	color: var(--fg);
	margin: 0 0 0.5rem;
}

.empty-desc {
	margin: 0 0 1rem;
	font-size: 0.9rem;
}

.spinner {
	display: inline-block;
	animation: pulse 1.5s infinite;
}

@keyframes pulse {
	0%, 100% { opacity: 1; transform: scale(1); }
	50% { opacity: 0.5; transform: scale(1.1); }
}