/* ============================================================
   GX 見積システム — 統一デザインシステム (gx-ui.css)
   全ページ共通のデザイントークンと基本コンポーネント。
   既存ページの埋め込みCSSを段階的にこのファイルへ移行する。
   ============================================================ */

:root {
    /* ブランドカラー */
    --gx-primary: #1b6adf;
    --gx-primary-strong: #1254b8;
    --gx-primary-soft: #e8f1ff;
    --gx-primary-ring: rgba(27, 106, 223, 0.16);

    /* ニュートラル */
    --gx-ink: #1f2d3d;          /* 見出し */
    --gx-body: #3d4b5c;         /* 本文 */
    --gx-muted: #6c7a89;        /* 補足 */
    --gx-faint: #94a1b0;        /* プレースホルダ等 */
    --gx-line: #e3e9f0;         /* 罫線 */
    --gx-line-strong: #d9e1ea;  /* 入力枠線 */
    --gx-bg: #f2f5f9;           /* ページ背景 */
    --gx-surface: #ffffff;      /* カード面 */
    --gx-surface-alt: #f8fafc;  /* 淡い面 */

    /* ステータスカラー */
    --gx-success: #1e9e5a;
    --gx-success-strong: #17824a;
    --gx-success-soft: #e8f7ee;
    --gx-success-border: #bfe8d0;
    --gx-warning: #b7791f;
    --gx-warning-soft: #fdf6e3;
    --gx-warning-border: #f0dfae;
    --gx-warning-accent: #e8862d;
    --gx-warning-accent-strong: #c96f1e;
    --gx-danger: #d64545;
    --gx-danger-strong: #b93b3b;
    --gx-danger-soft: #fdecec;
    --gx-danger-border: #f5c6c6;

    /* 角丸 */
    --gx-radius-sm: 8px;
    --gx-radius: 12px;
    --gx-radius-lg: 16px;
    --gx-radius-full: 999px;

    /* 影 */
    --gx-shadow-card: 0 12px 40px rgba(31, 45, 61, 0.10);
    --gx-shadow-pop: 0 8px 24px rgba(31, 45, 61, 0.14);

    /* タイポグラフィ */
    --gx-font: "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans",
               "Yu Gothic UI", Meiryo, system-ui, -apple-system, sans-serif;
}

/* ---------- ベース ---------- */

.gx-page,
.gx-page * ,
.gx-page *::before,
.gx-page *::after {
    box-sizing: border-box;
}

.gx-page {
    margin: 0;
    font-family: var(--gx-font);
    color: var(--gx-body);
    background:
        radial-gradient(1000px 520px at 82% -10%, rgba(27, 106, 223, 0.08), transparent 60%),
        radial-gradient(820px 420px at -12% 108%, rgba(27, 106, 223, 0.06), transparent 55%),
        var(--gx-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---------- 認証(入口)レイアウト ---------- */

.gx-auth {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
}

.gx-auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--gx-surface);
    border: 1px solid rgba(227, 233, 240, 0.8);
    border-radius: var(--gx-radius-lg);
    box-shadow: var(--gx-shadow-card);
    padding: 36px 32px 30px;
    animation: gx-rise 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.gx-auth-card--wide {
    max-width: 500px;
}

@keyframes gx-rise {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.gx-auth-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 6px;
}

.gx-auth-logo {
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    background: linear-gradient(135deg, #2b7de9, var(--gx-primary-strong));
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 12px rgba(27, 106, 223, 0.30);
    user-select: none;
}

.gx-auth-appname {
    font-size: 15px;
    font-weight: 700;
    color: var(--gx-ink);
    letter-spacing: 0.01em;
}

.gx-auth-badge {
    display: block;
    width: fit-content;
    margin: 10px auto 22px;
    padding: 4px 14px;
    border-radius: var(--gx-radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--gx-primary);
    background: var(--gx-primary-soft);
    border: 1px solid #cfe0ff;
}

.gx-auth-badge--admin {
    color: #3d4b5c;
    background: #eef1f5;
    border-color: #dbe2ea;
}

.gx-auth-badge--supplier {
    color: var(--gx-success);
    background: var(--gx-success-soft);
    border-color: var(--gx-success-border);
}

.gx-auth-title {
    margin: 0 0 6px;
    text-align: center;
    font-size: 21px;
    font-weight: 700;
    color: var(--gx-ink);
    letter-spacing: 0.01em;
}

.gx-auth-sub {
    margin: 0 0 24px;
    text-align: center;
    font-size: 13.5px;
    color: var(--gx-muted);
}

.gx-auth-footer {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--gx-line);
    text-align: center;
    font-size: 13.5px;
    color: var(--gx-muted);
}

.gx-auth-footer a {
    color: var(--gx-primary);
    font-weight: 600;
    text-decoration: none;
}

.gx-auth-footer a:hover {
    text-decoration: underline;
}

.gx-auth-copyright {
    margin-top: 18px;
    font-size: 12px;
    color: var(--gx-faint);
}

/* ---------- フォーム ---------- */

.gx-field {
    margin-bottom: 18px;
}

.gx-field label {
    display: block;
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gx-body);
}

.gx-input {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    font-family: inherit;
    color: var(--gx-ink);
    background: #fbfcfe;
    border: 1.5px solid var(--gx-line-strong);
    border-radius: 10px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.gx-input::placeholder {
    color: var(--gx-faint);
}

.gx-input:focus {
    outline: none;
    background: #fff;
    border-color: var(--gx-primary);
    box-shadow: 0 0 0 3px var(--gx-primary-ring);
}

.gx-input.is-valid {
    border-color: var(--gx-success);
}

.gx-input.is-invalid {
    border-color: var(--gx-danger);
}

/* パスワード表示切替つき入力 */
.gx-input-wrap {
    position: relative;
}

.gx-input-wrap .gx-input {
    padding-right: 46px;
}

.gx-eye {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--gx-faint);
    border-radius: var(--gx-radius-sm);
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}

.gx-eye:hover {
    color: var(--gx-primary);
    background: var(--gx-primary-soft);
}

.gx-eye svg {
    width: 19px;
    height: 19px;
    display: block;
}

/* 横並び(入力+ボタン) */
.gx-field-row {
    display: flex;
    gap: 8px;
}

.gx-field-row .gx-input {
    flex: 1 1 auto;
    min-width: 0;
}

/* ---------- ボタン ---------- */

.gx-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    border-radius: 10px;
    border: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.18s ease, box-shadow 0.18s ease,
                transform 0.1s ease, border-color 0.18s ease, color 0.18s ease;
    user-select: none;
    white-space: nowrap;
}

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

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

.gx-btn--primary:hover {
    background: var(--gx-primary-strong);
    box-shadow: 0 6px 16px rgba(27, 106, 223, 0.28);
}

.gx-btn--outline {
    background: #fff;
    color: var(--gx-primary);
    border-color: #bcd4f7;
}

.gx-btn--outline:hover {
    background: var(--gx-primary-soft);
    border-color: var(--gx-primary);
}

.gx-btn--block {
    width: 100%;
}

.gx-btn:disabled {
    opacity: 0.62;
    cursor: not-allowed;
    box-shadow: none;
}

/* 送信中スピナー */
.gx-btn.is-loading {
    pointer-events: none;
    opacity: 0.85;
}

.gx-btn.is-loading::before {
    content: "";
    width: 15px;
    height: 15px;
    flex: 0 0 auto;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: gx-spin 0.7s linear infinite;
}

.gx-btn--outline.is-loading::before {
    border-color: rgba(27, 106, 223, 0.3);
    border-top-color: var(--gx-primary);
}

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

/* ---------- フラッシュメッセージ ---------- */

.gx-flash-list {
    margin-bottom: 18px;
}

.gx-flash {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    padding: 11px 14px;
    margin-bottom: 8px;
    border-radius: 10px;
    font-size: 13.5px;
    line-height: 1.5;
    animation: gx-rise 0.3s ease-out;
}

.gx-flash::before {
    content: "";
    flex: 0 0 auto;
    width: 8px;
    height: 8px;
    margin-top: 6px;
    border-radius: 50%;
}

.gx-flash--error {
    background: var(--gx-danger-soft);
    color: #a63a3a;
    border: 1px solid var(--gx-danger-border);
}

.gx-flash--error::before { background: var(--gx-danger); }

.gx-flash--success {
    background: var(--gx-success-soft);
    color: #1e7a45;
    border: 1px solid var(--gx-success-border);
}

.gx-flash--success::before { background: var(--gx-success); }

.gx-flash--info {
    background: var(--gx-primary-soft);
    color: var(--gx-primary-strong);
    border: 1px solid #cfe0ff;
}

.gx-flash--info::before { background: var(--gx-primary); }

/* ---------- トースト通知 ---------- */

.gx-toast-region {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    pointer-events: none;
    width: min(92vw, 440px);
}

.gx-toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: 9px;
    width: 100%;
    padding: 12px 16px;
    background: var(--gx-surface);
    border: 1px solid var(--gx-line);
    border-left: 4px solid var(--gx-primary);
    border-radius: var(--gx-radius);
    box-shadow: var(--gx-shadow-pop);
    font-family: var(--gx-font);
    font-size: 13.5px;
    color: var(--gx-body);
    line-height: 1.5;
    animation: gx-toast-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.gx-toast.is-leaving {
    animation: gx-toast-out 0.24s ease forwards;
}

.gx-toast--success { border-left-color: var(--gx-success); }
.gx-toast--error   { border-left-color: var(--gx-danger); }
.gx-toast--warning { border-left-color: var(--gx-warning); }

@keyframes gx-toast-in {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes gx-toast-out {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-10px); }
}

/* ---------- 選択チップ(チェックボックス) ---------- */

.gx-choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.gx-choice {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1.5px solid var(--gx-line-strong);
    border-radius: 10px;
    background: #fbfcfe;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--gx-body);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
    user-select: none;
}

.gx-choice:hover {
    border-color: var(--gx-primary);
}

.gx-choice input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.gx-choice .gx-choice-mark {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--gx-line-strong);
    border-radius: 5px;
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.gx-choice .gx-choice-mark::after {
    content: "";
    width: 9px;
    height: 5px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translate(0.5px, -1px);
    opacity: 0;
    transition: opacity 0.12s ease;
}

.gx-choice input:checked ~ .gx-choice-mark {
    background: var(--gx-primary);
    border-color: var(--gx-primary);
}

.gx-choice input:checked ~ .gx-choice-mark::after {
    opacity: 1;
}

.gx-choice:has(input:checked) {
    border-color: var(--gx-primary);
    background: var(--gx-primary-soft);
    color: var(--gx-primary-strong);
}

.gx-choice input:focus-visible ~ .gx-choice-mark {
    box-shadow: 0 0 0 3px var(--gx-primary-ring);
}

/* ---------- パスワード強度メーター ---------- */

.gx-strength {
    display: none;
    margin-top: 8px;
}

.gx-strength.is-active {
    display: block;
}

.gx-strength-bars {
    display: flex;
    gap: 5px;
    margin-bottom: 5px;
}

.gx-strength-bars span {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--gx-line);
    transition: background 0.2s ease;
}

.gx-strength-text {
    font-size: 12px;
    color: var(--gx-muted);
}

.gx-strength--weak .gx-strength-bars span:nth-child(1) { background: var(--gx-danger); }
.gx-strength--weak .gx-strength-text { color: var(--gx-danger); }

.gx-strength--medium .gx-strength-bars span:nth-child(-n+2) { background: var(--gx-warning); }
.gx-strength--medium .gx-strength-text { color: var(--gx-warning); }

.gx-strength--strong .gx-strength-bars span { background: var(--gx-success); }
.gx-strength--strong .gx-strength-text { color: var(--gx-success); }

/* ---------- 補助 ---------- */

.gx-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--gx-muted);
}

.gx-note {
    margin-top: 16px;
    text-align: center;
    font-size: 12.5px;
    color: var(--gx-muted);
}

@media (max-width: 480px) {
    .gx-auth {
        padding: 20px 12px;
    }

    .gx-auth-card {
        padding: 28px 20px 24px;
    }

    .gx-choice-grid {
        grid-template-columns: 1fr;
    }

    .gx-field-row {
        flex-direction: column;
    }
}