:root {
	--bg-color: #0f172a;
	--surface-color: #1e293b;
	--primary-color: #3b82f6;
	--primary-hover: #2563eb;
	--text-primary: #f8fafc;
	--text-secondary: #94a3b8;
	--border-color: #334155;
	--success-color: #10b981;
	--warning-color: #eab308;
	--error-color: #ef4444;
	--radius: 12px;
}

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	background-color: var(--bg-color);
	color: var(--text-primary);
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

.app-container {
	max-width: 600px;
	margin: 0 auto;
	padding: 20px;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.app-header {
	text-align: center;
	margin-bottom: 32px;
	padding-top: 20px;
}

.app-header h1 {
	font-size: 28px;
	font-weight: 700;
	letter-spacing: -0.5px;
	background: linear-gradient(135deg, #60a5fa, #3b82f6);
	background-clip: text;
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

.subtitle {
	color: var(--text-secondary);
	font-size: 14px;
	margin-top: 4px;
}

.log-form {
	background-color: var(--surface-color);
	padding: 24px;
	border-radius: var(--radius);
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	border: 1px solid var(--border-color);
}

.form-group {
	margin-bottom: 24px;
}

.form-group label {
	display: block;
	font-size: 14px;
	font-weight: 600;
	margin-bottom: 8px;
	color: var(--text-secondary);
}

input[type="date"] {
	width: 100%;
	padding: 12px 16px;
	border-radius: var(--radius);
	border: 1px solid var(--border-color);
	background-color: var(--bg-color);
	color: var(--text-primary);
	font-size: 16px;
	outline: none;
	transition: border-color 0.2s;
	color-scheme: dark;
}

input[type="date"]:focus {
	border-color: var(--primary-color);
}

.radio-group {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 8px;
}

.radio-group input[type="radio"] {
	display: none;
}

.radio-card {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 12px 8px;
	background-color: var(--bg-color);
	border: 1px solid var(--border-color);
	border-radius: var(--radius);
	font-size: 14px;
	font-weight: 500;
	color: var(--text-secondary);
	cursor: pointer;
	transition: all 0.2s ease;
	text-align: center;
	user-select: none;
}

.radio-group input[type="radio"]:checked+.radio-card {
	background-color: rgba(59, 130, 246, 0.1);
	border-color: var(--primary-color);
	color: var(--primary-color);
}

.radio-card.btn-good {
	border-color: rgba(59, 130, 246, 0.5);
	color: var(--primary-color);
}

.radio-group input[type="radio"]:checked+.radio-card.btn-good {
	background-color: var(--primary-color);
	border-color: var(--primary-color);
	color: white;
}

.radio-card.btn-soso {
	border-color: rgba(16, 185, 129, 0.5);
	color: var(--success-color);
}

.radio-group input[type="radio"]:checked+.radio-card.btn-soso {
	background-color: var(--success-color);
	border-color: var(--success-color);
	color: white;
}

.radio-card.btn-bad {
	border-color: rgba(234, 179, 8, 0.5);
	color: var(--warning-color);
}

.radio-group input[type="radio"]:checked+.radio-card.btn-bad {
	background-color: var(--warning-color);
	border-color: var(--warning-color);
	color: var(--bg-color);
	font-weight: 700;
}

.submit-btn {
	width: 100%;
	padding: 16px;
	background-color: var(--primary-color);
	color: white;
	border: none;
	border-radius: var(--radius);
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	transition: background-color 0.2s;
	margin-top: 8px;
}

.submit-btn:hover {
	background-color: var(--primary-hover);
}

.submit-btn:active {
	transform: translateY(1px);
}

.submit-btn:disabled {
	background-color: var(--border-color);
	color: var(--text-secondary);
	cursor: not-allowed;
}

/* Date Navigator */
.date-navigator {
	display: flex;
	align-items: center;
	gap: 12px;
}

.nav-btn {
	background-color: var(--surface-color);
	border: 1px solid var(--border-color);
	color: var(--text-primary);
	width: 46px;
	height: 44px;
	border-radius: var(--radius);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.2s;
	flex-shrink: 0;
	font-size: 16px;
}

.nav-btn:hover {
	background-color: var(--border-color);
}

.nav-btn:active {
	transform: translateY(1px);
}

/* Button Container */
.button-container {
	margin-top: 32px;
}

.footer-actions {
	margin-top: 24px;
	display: flex;
	justify-content: flex-end;
}

.reset-btn {
	background-color: transparent;
	color: var(--text-secondary);
	border: none;
	font-size: 13px;
	cursor: pointer;
	text-decoration: underline;
	transition: color 0.2s;
	padding: 4px 8px;
}

.reset-btn:hover {
	color: var(--error-color);
}

.reset-btn:active {
	transform: translateY(1px);
}

.reset-btn:disabled {
	color: var(--border-color);
	cursor: not-allowed;
	text-decoration: none;
}

/* Toast Notification */
.toast {
	padding: 12px 20px;
	border-radius: 8px;
	margin-bottom: 20px;
	font-size: 14px;
	font-weight: 500;
	text-align: center;
	opacity: 1;
	transition: opacity 0.3s ease;
}

.toast.hidden {
	opacity: 0;
	pointer-events: none;
	display: none;
}

.toast.success {
	background-color: rgba(16, 185, 129, 0.1);
	color: var(--success-color);
	border: 1px solid rgba(16, 185, 129, 0.2);
}

.toast.error {
	background-color: rgba(239, 68, 68, 0.1);
	color: var(--error-color);
	border: 1px solid rgba(239, 68, 68, 0.2);
}