/* ================================================================
   Pboy Remind — Auth Pages (Login / Register / Reset)
   Design System: Light Theme (Noto Sans JP, Blue #2563eb)
   ================================================================ */

:root {
	--pr-primary: #2563eb;
	--pr-primary-hover: #1d4ed8;
	--pr-primary-shadow: rgba(37, 99, 235, 0.25);
	--pr-primary-light: rgba(37, 99, 235, 0.12);
	--pr-bg: #f9fafb;
	--pr-card-bg: #ffffff;
	--pr-border: #e5e7eb;
	--pr-text: #111827;
	--pr-text-secondary: #6b7280;
	--pr-text-muted: #9ca3af;
	--pr-danger: #dc2626;
	--pr-danger-bg: #fef2f2;
	--pr-danger-border: #fecaca;
	--pr-info-bg: #eff6ff;
	--pr-info-border: #bfdbfe;
	--pr-info-text: #1d4ed8;
	--pr-valid: #16a34a;
	--pr-invalid: #dc2626;
}

html, body {
	height: 100%;
}

body {
	display: flex;
	align-items: center;
	padding-top: 40px;
	padding-bottom: 40px;
	background-color: var(--pr-bg);
	font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", sans-serif;
	color: var(--pr-text);
	-webkit-font-smoothing: antialiased;
}

/* --- カード型フォームコンテナ --- */
.form-signin {
	max-width: 420px;
	padding: 40px;
	background-color: var(--pr-card-bg);
	border: 1px solid var(--pr-border);
	border-radius: 16px;
	box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
}

.form-signin .form-floating:focus-within {
	z-index: 2;
}

/* --- 見出し --- */
.form-signin h1,
.form-signin .h3 {
	color: var(--pr-text);
	font-weight: 700;
}

.form-signin h2,
.form-signin .h5 {
	color: var(--pr-text);
	font-weight: 600;
}

.form-signin .fw-normal {
	font-weight: 600 !important;
}

/* --- 入力フィールド --- */
.form-signin .form-control,
.form-signin .form-select {
	background-color: var(--pr-card-bg);
	border: 1.5px solid var(--pr-border);
	color: var(--pr-text);
	border-radius: 10px;
	font-size: 0.95rem;
	padding: 10px 14px;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-signin .form-control:focus,
.form-signin .form-select:focus {
	background-color: var(--pr-card-bg);
	border-color: var(--pr-primary);
	color: var(--pr-text);
	box-shadow: 0 0 0 3px var(--pr-primary-light);
}

.form-signin .form-floating > .form-control:focus ~ label,
.form-signin .form-floating > .form-select:focus ~ label {
	color: var(--pr-primary);
}

.form-signin .form-floating > label {
	color: var(--pr-text-muted);
}

.form-signin .form-control::placeholder {
	color: var(--pr-text-muted);
}

/* --- 入力フィールド左アイコン --- */
.form-signin .input-icon-wrapper {
	position: relative;
}

.form-signin .input-icon {
	position: absolute;
	left: 14px;
	top: 50%;
	transform: translateY(-50%);
	color: var(--pr-text-muted);
	font-size: 0.9rem;
	pointer-events: none;
	transition: color 0.2s ease;
	z-index: 2;
}

.form-signin .input-icon-wrapper:focus-within .input-icon {
	color: var(--pr-primary);
}

.form-signin .form-control.has-icon {
	padding-left: 40px;
}

/* --- ラベル --- */
.form-signin .form-label {
	color: var(--pr-text-secondary);
	font-size: 0.88rem;
	font-weight: 500;
}

/* --- バリデーション --- */
.form-signin .form-control.is-valid,
.form-signin .form-select.is-valid {
	border-color: var(--pr-valid);
}

.form-signin .form-control.is-invalid,
.form-signin .form-select.is-invalid {
	border-color: var(--pr-invalid);
}

.form-signin .invalid-feedback {
	color: var(--pr-invalid);
}

/* --- プライマリボタン（ピル型ブルー） --- */
.form-signin .btn-primary {
	background: var(--pr-primary);
	border: none;
	color: #fff;
	border-radius: 500px;
	font-weight: 600;
	padding: 12px 24px;
	font-size: 1rem;
	transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.form-signin .btn-primary:hover {
	background: var(--pr-primary-hover);
	transform: translateY(-1px);
	box-shadow: 0 4px 16px var(--pr-primary-shadow);
}

.form-signin .btn-primary:active {
	transform: translateY(0);
}

/* --- アウトラインボタン（新規登録/ログインへ遷移） --- */
.form-signin .btn-outline-secondary {
	background: transparent;
	border: 1.5px solid var(--pr-primary);
	color: var(--pr-primary);
	border-radius: 500px;
	font-weight: 600;
	padding: 12px 24px;
	transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.form-signin .btn-outline-secondary:hover {
	background: var(--pr-info-bg);
	border-color: var(--pr-primary-hover);
	color: var(--pr-primary-hover);
	transform: translateY(-1px);
}

.form-signin .btn-outline-secondary:active {
	transform: translateY(0);
}

/* --- リンク --- */
.form-signin a {
	color: var(--pr-primary);
	text-decoration: none;
	transition: color 0.2s ease;
}

.form-signin a:hover {
	color: var(--pr-primary-hover);
	text-decoration: underline;
}

/* --- パスワードリセットリンク --- */
.form-signin .forgot-password-link {
	font-size: 0.82rem;
	color: var(--pr-text-muted);
	transition: color 0.2s ease;
}

.form-signin .forgot-password-link:hover {
	color: var(--pr-primary);
	text-decoration: none;
}

/* --- 利用規約リンク --- */
.form-signin .terms-link {
	color: var(--pr-primary);
	font-weight: 500;
}

.form-signin .terms-link:hover {
	text-decoration: underline;
}

/* --- フッターテキスト --- */
.form-signin .text-body-secondary {
	color: var(--pr-text-muted) !important;
	font-size: 0.82rem;
}

.form-signin .text-body-secondary a {
	color: var(--pr-text-muted);
}

.form-signin .text-body-secondary a:hover {
	color: var(--pr-primary);
}

/* --- アラートメッセージ（アイコン付きモダン） --- */
.form-signin .alert-modern {
	display: flex;
	align-items: center;
	text-align: left;
	animation: alertSlideIn 0.3s ease-out;
}

.form-signin .alert-info {
	background-color: var(--pr-info-bg);
	border-color: var(--pr-info-border);
	color: var(--pr-info-text);
	border-radius: 10px;
	font-size: 0.9rem;
	border-left: 4px solid var(--pr-primary);
}

.form-signin .alert-danger {
	background-color: var(--pr-danger-bg);
	border-color: var(--pr-danger-border);
	color: var(--pr-danger);
	border-radius: 10px;
	font-size: 0.9rem;
	border-left: 4px solid var(--pr-danger);
}

@keyframes alertSlideIn {
	from {
		opacity: 0;
		transform: translateY(-8px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* --- パスワード表示切替ボタン --- */
.form-signin .password-wrapper {
	position: relative;
}

.form-signin .password-wrapper .input-icon-wrapper {
	position: relative;
}

.form-signin .password-wrapper .form-control {
	padding-right: 44px;
}

.form-signin .password-toggle {
	position: absolute;
	right: 8px;
	top: 50%;
	transform: translateY(-50%);
	background: none;
	border: none;
	cursor: pointer;
	font-size: 1rem;
	padding: 4px 6px;
	color: var(--pr-text-muted);
	transition: color 0.2s ease;
	line-height: 1;
	z-index: 3;
}

.form-signin .password-toggle:hover {
	color: var(--pr-text-secondary);
}

/* --- パスワード強度インジケーター --- */
.form-signin .password-strength {
	padding: 0 2px;
}

.form-signin .password-strength-bar {
	width: 100%;
	height: 4px;
	background-color: #e5e7eb;
	border-radius: 2px;
	overflow: hidden;
}

.form-signin .password-strength-fill {
	height: 100%;
	width: 0;
	border-radius: 2px;
	transition: width 0.3s ease, background-color 0.3s ease;
}

.form-signin .password-strength-text {
	display: block;
	margin-top: 4px;
	font-size: 0.78rem;
	font-weight: 500;
	transition: color 0.3s ease;
}

/* --- ロゴ画像 --- */
.form-signin img {
	filter: none;
}

/* --- チェックボックス --- */
.form-signin .form-check label {
	color: var(--pr-text-secondary);
	font-size: 0.9rem;
}

.form-signin .form-check-input {
	background-color: var(--pr-card-bg);
	border-color: var(--pr-border);
}

.form-signin .form-check-input:checked {
	background-color: var(--pr-primary);
	border-color: var(--pr-primary);
}

/* --- Googleログイン/登録ボタン（公式スタイル準拠） --- */
.form-signin .btn-google {
	background: #ffffff;
	border: 1px solid #dadce0;
	color: #3c4043;
	border-radius: 500px;
	font-weight: 500;
	padding: 12px 24px;
	font-size: 0.95rem;
	font-family: "Roboto", "Noto Sans JP", sans-serif;
	letter-spacing: 0.25px;
	transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.form-signin .btn-google:hover {
	background: #f8f9fa;
	border-color: #c4c7cc;
	color: #3c4043;
	transform: translateY(-1px);
	box-shadow: 0 1px 3px rgba(60, 64, 67, 0.15), 0 1px 2px rgba(60, 64, 67, 0.1);
}

.form-signin .btn-google:active {
	transform: translateY(0);
	background: #f1f3f4;
}

/* --- 区切り線「または」 --- */
.form-signin .divider-or {
	display: flex;
	align-items: center;
	margin: 16px 0;
}

.form-signin .divider-or hr {
	flex: 1;
	border: 0;
	border-top: 1px solid var(--pr-border);
}

.form-signin .divider-or span {
	padding: 0 16px;
	color: var(--pr-text-muted);
	font-size: 0.82rem;
	white-space: nowrap;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

/* --- レスポンシブ対応 --- */
@media (max-width: 480px) {
	body {
		padding-top: 20px;
		padding-bottom: 20px;
	}

	.form-signin {
		margin: 0 12px;
		padding: 28px 20px;
		border-radius: 12px;
	}

	.form-signin .btn-primary,
	.form-signin .btn-outline-secondary,
	.form-signin .btn-google {
		padding: 10px 20px;
		font-size: 0.95rem;
	}
}