/* ========================================
   CSS Variables - Design Tokens
   ======================================== */
:root {
	/* Brand Colors */
	--color-primary: #0C4428;
	--color-primary-dark: #083620;
	--color-primary-light: #166534;
	--color-accent: #C4A747;
	--color-accent-light: #D4BC6A;

	/* Neutral Colors */
	--color-white: #FFFFFF;
	--color-gray-50: #F8FAFC;
	--color-gray-100: #F1F5F9;
	--color-gray-200: #E2E8F0;
	--color-gray-300: #CBD5E1;
	--color-gray-400: #94A3B8;
	--color-gray-500: #64748B;
	--color-gray-600: #475569;
	--color-gray-700: #334155;
	--color-gray-800: #1E293B;
	--color-gray-900: #0F172A;

	/* Semantic Colors */
	--color-error: #DC2626;
	--color-error-light: #FEF2F2;
	--color-error-border: #FECACA;
	--color-success: #16A34A;
	--color-success-light: #F0FDF4;
	--color-success-border: #BBF7D0;
	--color-warning: #D97706;
	--color-warning-light: #FFFBEB;
	--color-warning-border: #FDE68A;
	--color-info: #0284C7;
	--color-info-light: #F0F9FF;
	--color-info-border: #BAE6FD;

	/* Typography */
	--font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
	--font-size-xs: 0.75rem;
	--font-size-sm: 0.875rem;
	--font-size-base: 1rem;
	--font-size-lg: 1.125rem;
	--font-size-xl: 1.25rem;
	--font-size-2xl: 1.5rem;
	--font-size-3xl: 1.875rem;

	/* Spacing */
	--space-1: 0.25rem;
	--space-2: 0.5rem;
	--space-3: 0.75rem;
	--space-4: 1rem;
	--space-5: 1.25rem;
	--space-6: 1.5rem;
	--space-8: 2rem;
	--space-10: 2.5rem;
	--space-12: 3rem;

	/* Border Radius */
	--radius-sm: 4px;
	--radius-md: 6px;
	--radius-lg: 8px;
	--radius-xl: 12px;

	/* Shadows */
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
	--shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);

	/* Transitions */
	--transition-fast: 150ms ease;
	--transition-base: 200ms ease;
	--transition-slow: 300ms ease;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	font-size: 16px;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body {
	font-family: var(--font-family);
	background: var(--color-gray-50);
	min-height: 100vh;
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
	color: var(--color-gray-900);
	line-height: 1.5;
}

/* ========================================
   Header
   ======================================== */
.header {
	background: var(--color-primary);
	color: var(--color-white);
	padding: var(--space-3) var(--space-4);
	position: sticky;
	top: 0;
	z-index: 40;
}

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

.header-left {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}

.header-logo {
	width: 36px;
	height: 36px;
	background: var(--color-accent);
	border-radius: var(--radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	font-size: var(--font-size-sm);
	color: var(--color-primary-dark);
	letter-spacing: 0.02em;
}

.header-title-group {
	display: flex;
	flex-direction: column;
}

.header-title {
	font-size: var(--font-size-base);
	font-weight: 600;
	letter-spacing: 0.01em;
}

.header-subtitle {
	font-size: var(--font-size-xs);
	color: rgba(255, 255, 255, 0.7);
}

.header-right {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}

.header-time {
	text-align: right;
}

.header-clock {
	font-size: var(--font-size-lg);
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.header-date {
	font-size: var(--font-size-xs);
	color: rgba(255, 255, 255, 0.7);
}

.header-btn {
	padding: var(--space-2);
	border: none;
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.1);
	color: var(--color-white);
	cursor: pointer;
	transition: background var(--transition-fast);
	display: flex;
	align-items: center;
	justify-content: center;
}

.header-btn:hover {
	background: rgba(255, 255, 255, 0.2);
}

.header-btn svg {
	width: 20px;
	height: 20px;
}

/* User Info in Header */
.user-info {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}

.user-avatar {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.2);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: var(--font-size-sm);
	font-weight: 600;
}

.user-details {
	display: flex;
	flex-direction: column;
}

.user-name {
	font-size: var(--font-size-sm);
	font-weight: 500;
}

.user-role {
	font-size: var(--font-size-xs);
	color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   Bottom Navigation
   ======================================== */
.bottom-nav {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;

	height: 72px;
	/* 明示的に高さ決める */
	background: var(--color-white);
	border-top: 1px solid var(--color-gray-200);

	z-index: 100;
}

.nav-list {
	display: flex;
	justify-content: space-around;
	list-style: none;
	max-width: 500px;
	margin: 0 auto;
}

.nav-item {
	flex: 1;
}

.nav-link {
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: var(--space-2);
	color: var(--color-gray-400);
	text-decoration: none;
	transition: color var(--transition-fast);
}

.nav-link:hover {
	color: var(--color-gray-600);
}

.nav-link.active {
	color: var(--color-primary);
}

.nav-link svg {
	width: 22px;
	height: 22px;
	margin-bottom: 2px;
}

.nav-link span {
	font-size: var(--font-size-xs);
}

.nav-link.active span {
	font-weight: 600;
}

/* ========================================
   Cards
   ======================================== */
.card {
	background: var(--color-white);
	border-radius: var(--radius-xl);
	border: 1px solid var(--color-gray-200);
	box-shadow: var(--shadow-card);
}

.card-header {
	padding: var(--space-4);
	border-bottom: 1px solid var(--color-gray-100);
}

.card-title {
	font-size: var(--font-size-base);
	font-weight: 600;
	color: var(--color-gray-900);
}

.card-body {
	padding: var(--space-4);
}

.card-footer {
	padding: var(--space-4);
	border-top: 1px solid var(--color-gray-100);
}

/* ========================================
   Form Elements
   ======================================== */
.form-group {
	margin-bottom: var(--space-2);
}

.form-label {
	display: block;
	font-size: var(--font-size-sm);
	font-weight: 500;
	color: var(--color-gray-700);
	margin-bottom: var(--space-2);
}

.form-label .required {
	color: var(--color-error);
	margin-left: 2px;
}

.input-wrapper {
	position: relative;
}

.input-icon {
	position: absolute;
	left: var(--space-3);
	top: 50%;
	transform: translateY(-50%);
	width: 18px;
	height: 18px;
	color: var(--color-gray-400);
	pointer-events: none;
}

.form-input,
.form-select {
	width: 100%;
	padding: var(--space-3);
	border: 1px solid var(--color-gray-300);
	border-radius: var(--radius-md);
	font-family: inherit;
	font-size: var(--font-size-base);
	color: var(--color-gray-900);
	background: var(--color-white);
	transition: all var(--transition-fast);
	outline: none;
}

.form-textarea {
	width: 100%;
	padding: var(--space-3);
	border: 1px solid var(--color-gray-300);
	border-radius: var(--radius-md);
	font-family: inherit;
	font-size: var(--font-size-base);
	color: var(--color-gray-900);
	background: var(--color-white);
	outline: none;
	resize: none;
	height: 46px;
	min-height: 46px;
	max-height: 200px;
}

.form-input.has-icon {
	padding-left: 42px;
}

.form-input::placeholder {
	color: var(--color-gray-400);
}

.form-input:hover,
.form-select:hover {
	border-color: var(--color-gray-400);
}

.form-input:focus,
.form-select:focus {
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px rgba(12, 68, 40, 0.1);
}

.form-input.error {
	border-color: var(--color-error);
}

.form-input.error:focus {
	box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.error-message {
	font-size: var(--font-size-xs);
	color: var(--color-error);
	margin-top: var(--space-1);
	display: none;
}

.error-message.show {
	display: block;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	padding: var(--space-3) var(--space-4);
	border: none;
	border-radius: var(--radius-md);
	font-family: inherit;
	font-size: var(--font-size-base);
	font-weight: 600;
	cursor: pointer;
	transition: all var(--transition-fast);
	outline: none;
	text-decoration: none;
}

.btn:active {
	transform: scale(0.98);
}

.btn:disabled {
	cursor: not-allowed;
	transform: none;
}

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

.btn-primary:hover:not(:disabled) {
	background: var(--color-primary-dark);
}

.btn-primary:disabled {
	background: var(--color-gray-300);
}

.btn-secondary {
	background: var(--color-white);
	color: var(--color-gray-700);
	border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
	background: var(--color-gray-50);
	border-color: var(--color-gray-400);
}

.btn-ghost {
	background: transparent;
	color: var(--color-gray-600);
}

.btn-ghost:hover:not(:disabled) {
	background: var(--color-gray-100);
}

.btn-danger {
	background: var(--color-error);
	color: var(--color-white);
}

.btn-danger:hover:not(:disabled) {
	background: #B91C1C;
}

.btn-sm {
	padding: var(--space-2) var(--space-3);
	font-size: var(--font-size-sm);
}

.btn-lg {
	padding: var(--space-4) var(--space-6);
	font-size: var(--font-size-lg);
}

.btn-block {
	width: 100%;
}

.btn-icon {
	padding: var(--space-2);
}

.btn svg {
	width: 18px;
	height: 18px;
}

/* Loading State */
.btn .spinner {
	display: none;
	width: 18px;
	height: 18px;
	border: 2px solid rgba(255, 255, 255, 0.3);
	border-top-color: currentColor;
	border-radius: 50%;
	animation: spin 0.7s linear infinite;
}

.btn.loading .spinner {
	display: inline-block;
}

.btn.loading .btn-text {
	display: none;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

/* ========================================
   Badges
   ======================================== */
.badge {
	display: inline-flex;
	align-items: center;
	padding: 2px 8px;
	border-radius: 9999px;
	font-size: var(--font-size-xs);
	font-weight: 600;
	line-height: 1.5;
}

.badge-primary {
	background: var(--color-primary);
	color: var(--color-white);
}

.badge-success {
	background: var(--color-success-light);
	color: var(--color-success);
}

.badge-warning {
	background: var(--color-warning-light);
	color: var(--color-warning);
}

.badge-error {
	background: var(--color-error-light);
	color: var(--color-error);
}

.badge-info {
	background: var(--color-info-light);
	color: var(--color-info);
}

.badge-gray {
	background: var(--color-gray-100);
	color: var(--color-gray-600);
}

/* Work Type Badges */
.badge-c {
	background: var(--color-type-c-light);
	color: var(--color-type-c);
}

.badge-cf {
	background: var(--color-type-cf-light);
	color: var(--color-type-cf);
}

.badge-is {
	background: var(--color-type-is-light);
	color: var(--color-type-is);
}

.badge-wr {
	background: var(--color-type-wr-light);
	color: var(--color-type-wr);
}

.badge-np {
	background: var(--color-type-np-light);
	color: var(--color-type-np);
}

.badge-check-in {
	background: var(--color-success-light);
	color: var(--color-success);
}

.badge-check-out {
	background: var(--color-gray-100);
	color: var(--color-gray-600);
}

.badge-lunch {
	background: var(--color-warning-light);
	color: var(--color-warning);
}

/* ========================================
   Tabs / Segmented Control
   ======================================== */
.tabs {
	display: flex;
	background: var(--color-gray-100);
	border-radius: var(--radius-lg);
	padding: 3px;
	border: 1px solid var(--color-gray-200);
}

.tab-btn {
	flex: 1;
	padding: var(--space-2) var(--space-3);
	border: none;
	border-radius: var(--radius-md);
	font-family: inherit;
	font-size: var(--font-size-sm);
	font-weight: 500;
	cursor: pointer;
	transition: all var(--transition-fast);
	background: transparent;
	color: var(--color-gray-600);
}

.tab-btn:hover:not(.active):not(:disabled) {
	color: var(--color-gray-800);
}

.tab-btn.active {
	background: var(--color-white);
	color: var(--color-gray-900);
	box-shadow: var(--shadow-sm);
}

.tab-btn:disabled {
	color: var(--color-gray-400);
	cursor: not-allowed;
}

/* ========================================
   Modal
   ======================================== */
.modal-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.5);
	z-index: 1000;
	align-items: flex-end;
	justify-content: center;
}

.modal-overlay.visible {
	display: flex;
}

.modal-content {
	width: 100%;
	max-width: 480px;
	max-height: 90vh;
	background: var(--color-white);
	border-radius: var(--radius-xl) var(--radius-xl) 0 0;
	overflow: hidden;
	animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
	from {
		transform: translateY(100%);
	}

	to {
		transform: translateY(0);
	}
}

.modal-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--space-4);
	border-bottom: 1px solid var(--color-gray-200);
}

.modal-title {
	font-size: var(--font-size-lg);
	font-weight: 600;
}

.modal-close {
	padding: var(--space-2);
	border: none;
	border-radius: var(--radius-md);
	background: transparent;
	color: var(--color-gray-500);
	cursor: pointer;
	transition: all var(--transition-fast);
}

.modal-close:hover {
	background: var(--color-gray-100);
	color: var(--color-gray-700);
}

.modal-close svg {
	width: 20px;
	height: 20px;
}

.modal-body {
	padding: var(--space-4);
	overflow-y: auto;
	max-height: calc(90vh - 140px);
}

.modal-footer {
	padding: var(--space-4);
	border-top: 1px solid var(--color-gray-200);
	display: flex;
	gap: var(--space-3);
}

/* ========================================
   Alert / Info Box
   ======================================== */
.alert {
	display: flex;
	gap: var(--space-3);
	padding: var(--space-3);
	border-radius: var(--radius-md);
	border: 1px solid;
}

.alert-icon {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
	margin-top: 1px;
}

.alert-content {
	flex: 1;
}

.alert-title {
	font-size: var(--font-size-sm);
	font-weight: 600;
	margin-bottom: 2px;
}

.alert-text {
	font-size: var(--font-size-sm);
	line-height: 1.5;
}

.alert-info {
	background: var(--color-info-light);
	border-color: var(--color-info-border);
	color: #0369A1;
}

.alert-success {
	background: var(--color-success-light);
	border-color: var(--color-success-border);
	color: #15803D;
}

.alert-warning {
	background: var(--color-warning-light);
	border-color: var(--color-warning-border);
	color: #B45309;
}

.alert-error {
	background: var(--color-error-light);
	border-color: var(--color-error-border);
	color: #B91C1C;
}

/* ========================================
   Divider
   ======================================== */
.divider {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	margin: var(--space-4) 0;
}

.divider-line {
	flex: 1;
	height: 1px;
	background: var(--color-gray-200);
}

.divider-text {
	font-size: var(--font-size-xs);
	color: var(--color-gray-400);
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
	text-align: center;
	padding: var(--space-10) var(--space-4);
}

.empty-icon {
	width: 64px;
	height: 64px;
	margin: 0 auto var(--space-4);
	color: var(--color-gray-300);
}

.empty-title {
	font-size: var(--font-size-base);
	font-weight: 600;
	color: var(--color-gray-700);
	margin-bottom: var(--space-2);
}

.empty-text {
	font-size: var(--font-size-sm);
	color: var(--color-gray-500);
}

/* ========================================
   Utility Classes
   ======================================== */
.hidden {
	display: none !important;
}

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.text-center {
	text-align: center;
}

.text-right {
	text-align: right;
}

.font-mono {
	font-variant-numeric: tabular-nums;
}

/* ========================================
   Footer
   ======================================== */
.footer {
	padding: var(--space-4);
	text-align: center;
	border-top: 1px solid var(--color-gray-200);
	background: var(--color-white);
}

.footer-text {
	font-size: var(--font-size-xs);
	color: var(--color-gray-400);
}

.history-list {
	background: #fff;
	border-radius: 8px;
	overflow: hidden;
}

.history-item {
	display: flex;
	align-items: center;
	padding: 12px 14px;
	border-bottom: 1px solid #eee;
}

.history-item:active {
	background: #f5f5f5;
}

.history-name {
	font-size: 14px;
	font-weight: 500;
}

.history-time {
	font-size: 12px;
	color: #777;
}

.history-duration {
	font-size: 12px;
	color: #999;
}

.header-logo {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  letter-spacing: 0.02em;
}