/* ============================================================
   CHERISH PHR - 共通スタイル
   ============================================================ */

/* --- CSS変数（カラーパレット） --- */
:root {
    /* プライマリカラー（HBOC啓発のピンク系） */
    --color-primary:        #D4849F;
    --color-primary-light:  #E8B4C8;
    --color-primary-dark:   #B8607A;
    --color-primary-bg:     #FDF2F6;

    /* アクセントカラー */
    --color-accent:         #7BA7C2;
    --color-accent-light:   #A8CBE0;

    /* ニュートラル */
    --color-text:           #333333;
    --color-text-light:     #666666;
    --color-text-muted:     #999999;
    --color-bg:             #FAFAFA;
    --color-bg-white:       #FFFFFF;
    --color-border:         #E0E0E0;
    --color-border-light:   #F0F0F0;

    /* ステータスカラー */
    --color-success:        #6BBF8A;
    --color-warning:        #E8B960;
    --color-error:          #D96B6B;
    --color-info:           #7BA7C2;

    /* シャドウ */
    --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md:  0 2px 8px rgba(0, 0, 0, 0.10);
    --shadow-lg:  0 4px 16px rgba(0, 0, 0, 0.12);

    /* ボーダー */
    --radius-sm:  4px;
    --radius-md:  8px;
    --radius-lg:  12px;
    --radius-full: 50%;

    /* レイアウト */
    --max-width:  640px;
    --header-h:   56px;
    --footer-h:   60px;

    /* フォント */
    --font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN",
                   "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
}

/* --- ベース --- */
body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- ヘッダー --- */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
}

.header-back,
.header-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    color: var(--color-primary-dark);
    transition: background-color 0.2s;
}

.header-back:hover,
.header-menu:hover {
    background-color: var(--color-primary-bg);
}

.header-spacer {
    width: 40px;
}

.header-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 32px;
    width: auto;
}

/* --- メインコンテンツ --- */
.app-main {
    flex: 1;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: 20px 16px 40px;
}

/* --- フッター --- */
.app-footer {
    background-color: var(--color-bg-white);
    border-top: 1px solid var(--color-border-light);
    padding: 16px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.footer-version {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.footer-links a {
    font-size: 12px;
    color: var(--color-text-light);
    text-decoration: underline;
}

.footer-links a:hover {
    color: var(--color-primary);
}

/* --- 見出し --- */
.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
}

.section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary-light);
}

/* --- カード --- */
.card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 16px;
}

.card-header {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

/* --- フォーム --- */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-label .required {
    color: var(--color-error);
    font-size: 12px;
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-white);
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(212, 132, 159, 0.15);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.form-error {
    font-size: 12px;
    color: var(--color-error);
    margin-top: 4px;
}

/* --- ボタン --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    text-align: center;
    cursor: pointer;
    border: none;
    min-height: 48px;
}

.btn-block {
    display: flex;
    width: 100%;
}

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

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

.btn-primary:disabled {
    background-color: var(--color-primary-light);
    cursor: not-allowed;
    opacity: 0.7;
}

.btn-secondary {
    background-color: var(--color-bg-white);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

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

.btn-danger:hover {
    background-color: #c05555;
}

.btn-text {
    background: none;
    color: var(--color-primary);
    padding: 8px 12px;
    font-weight: 500;
}

.btn-text:hover {
    background-color: var(--color-primary-bg);
    border-radius: var(--radius-sm);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
    min-height: 36px;
}

/* --- Flash メッセージ --- */
.flash-message {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.5;
}

.flash-success {
    background-color: #E8F5E9;
    color: #2E7D32;
    border: 1px solid #C8E6C9;
}

.flash-error {
    background-color: #FFEBEE;
    color: #C62828;
    border: 1px solid #FFCDD2;
}

.flash-info {
    background-color: #E3F2FD;
    color: #1565C0;
    border: 1px solid #BBDEFB;
}

.flash-warning {
    background-color: #FFF3E0;
    color: #E65100;
    border: 1px solid #FFE0B2;
}

/* --- 空状態 --- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state-text {
    font-size: 14px;
}

/* --- ローディング --- */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

/* --- 認証画面専用レイアウト --- */
.auth-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-h) - var(--footer-h) - 80px);
    padding: 20px;
}

.auth-logo {
    margin-bottom: 32px;
}

.auth-logo img {
    height: 48px;
    width: auto;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 32px 24px;
}

.auth-title {
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    color: var(--color-text);
    margin-bottom: 24px;
}

.auth-description {
    font-size: 14px;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 24px;
    line-height: 1.6;
}

.auth-footer {
    margin-top: 24px;
    text-align: center;
}

.auth-footer a {
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: underline;
}

/* --- ユーティリティ --- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--color-text-muted); }
.text-small  { font-size: 13px; }
.text-error  { color: var(--color-error); }
.mt-8   { margin-top: 8px; }
.mt-16  { margin-top: 16px; }
.mt-24  { margin-top: 24px; }
.mb-8   { margin-bottom: 8px; }
.mb-16  { margin-bottom: 16px; }
.mb-24  { margin-bottom: 24px; }
.hidden { display: none !important; }

/* --- レスポンシブ --- */
@media (max-width: 480px) {
    .app-main {
        padding: 16px 12px 32px;
    }

    .auth-card {
        padding: 24px 16px;
    }

    .btn {
        font-size: 15px;
        padding: 11px 20px;
    }

    .form-input,
    .form-select,
    .form-textarea {
        font-size: 16px; /* iOS ズーム防止 */
    }
}