/* ════════════════════════════════════════════════════════
   CSS 變數：深色 / 淺色主題
   Bootstrap 切換 data-bs-theme="dark"|"light" 自動生效
   ════════════════════════════════════════════════════════ */
:root,
[data-bs-theme="light"] {
    --gm-overlay: rgba(0, 0, 0, 0.45);
    --gm-card-bg: rgba(255, 255, 255, 0.82);
    --gm-card-border: rgba(0, 0, 0, 0.08);
    --gm-card-shadow: 0 32px 80px rgba(0, 0, 0, 0.18);
    --gm-text-title: #1a1a1a;
    --gm-text-info: #555;
    --gm-ld-bg: rgba(240, 236, 230, 0.88);
    --gm-ld-border: rgba(0, 0, 0, 0.08);
    --gm-ld-spinner: rgba(104, 88, 72, 0.9);
    --gm-ld-text: rgba(80, 65, 50, 0.85);
    --gm-verify-bg: rgba(245, 241, 236, 0.9);
    --gm-verify-input: rgba(0, 0, 0, 0.06);
    --gm-verify-bdr: rgba(0, 0, 0, 0.15);
    --gm-verify-focus: rgba(104, 88, 72, 0.5);
    --gm-verify-text: #1a1a1a;
    --gm-verify-sub: rgba(80, 65, 50, 0.65);
}

[data-bs-theme="dark"] {
    --gm-overlay: rgba(0, 0, 0, 0.6);
    --gm-card-bg: rgba(38, 34, 30, 0.88);
    --gm-card-border: rgba(255, 255, 255, 0.09);
    --gm-card-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
    --gm-text-title: rgba(230, 220, 208, 0.96);
    --gm-text-info: rgba(180, 165, 148, 0.88);
    --gm-ld-bg: rgba(30, 28, 26, 0.78);
    --gm-ld-border: rgba(255, 255, 255, 0.08);
    --gm-ld-spinner: rgba(200, 185, 168, 0.92);
    --gm-ld-text: rgba(210, 198, 185, 0.88);
    --gm-verify-bg: rgba(38, 34, 30, 0.92);
    --gm-verify-input: rgba(255, 255, 255, 0.06);
    --gm-verify-bdr: rgba(255, 255, 255, 0.15);
    --gm-verify-focus: rgba(200, 185, 168, 0.6);
    --gm-verify-text: rgba(230, 220, 208, 0.95);
    --gm-verify-sub: rgba(180, 165, 148, 0.75);
}

/* ── Msg Modal 遮罩 ─────────────────────────────────────────── */
.glass-modal {
    background: var(--gm-overlay);
}

/* ── Msg 卡片本體 ───────────────────────────────────────────── */
.glass-content {
    width: 100%;
    padding: 36px 44px;
    background: var(--gm-card-bg);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border: 0.5px solid var(--gm-card-border);
    border-radius: 20px;
    box-shadow: var(--gm-card-shadow);
    animation: _msg-fd 0.3s ease;
}

@keyframes _msg-fd {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.glass-content .modal-content {
    background: transparent;
    border: none;
    box-shadow: none;
}

.glass-content .modal-title {
    color: var(--gm-text-title);
    font-weight: 600;
}

.glass-content .modal-info {
    color: var(--gm-text-info);
    padding: 0 !important;
    background: transparent !important;
    border-radius: 0 !important;
    margin-bottom: 0 !important;
    text-align: center !important;
}

/* ── 按鈕共用 ───────────────────────────────────────────────── */
.glass-btn {
    border: none;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.6px;
    transition: transform 0.2s, box-shadow 0.2s;
}

    .glass-btn:hover {
        transform: translateY(-2px);
        color: #fff;
    }

    .glass-btn:active {
        transform: translateY(0);
    }

.glass-btn-primary {
    background: linear-gradient(135deg, #8E7F70 0%, #685848 100%);
    box-shadow: 0 4px 14px rgba(104, 88, 72, 0.4);
}

    .glass-btn-primary:hover {
        box-shadow: 0 8px 20px rgba(104, 88, 72, 0.55);
    }

.glass-btn-secondary {
    background: linear-gradient(135deg, #6b6b6b 0%, #444 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.glass-btn-danger {
    background: linear-gradient(135deg, #c0392b 0%, #922b21 100%);
    box-shadow: 0 4px 14px rgba(180, 50, 40, 0.4);
}

    .glass-btn-danger:hover {
        box-shadow: 0 8px 20px rgba(180, 50, 40, 0.55);
    }

/* ── Loading overlay ────────────────────────────────────────── */
#Loading {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--gm-overlay);
    align-items: center;
    justify-content: center;
}

    #Loading .ld-card {
        background: var(--gm-ld-bg);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 0.5px solid var(--gm-ld-border);
        border-radius: 18px;
        padding: 32px 44px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    }

        #Loading .ld-card svg {
            animation: _ld-spin 0.85s linear infinite;
            display: block;
        }

        #Loading .ld-card .ld-ring-track {
            stroke: var(--gm-ld-border);
        }

        #Loading .ld-card .ld-ring-spin {
            stroke: var(--gm-ld-spinner);
        }

        #Loading .ld-card span {
            color: var(--gm-ld-text);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
        }

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

/* ── F_Verify 驗證碼 ────────────────────────────────────────── */
#F_Verify .modal-content {
    background: var(--gm-verify-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 0.5px solid var(--gm-verify-bdr);
    border-radius: 16px;
}

.verify-icon {
    color: var(--gm-ld-spinner);
}

.verify-subtitle {
    font-size: 13px;
    color: var(--gm-verify-sub);
}

.verify-input {
    width: 40px;
    height: 48px;
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    background: var(--gm-verify-input);
    border: 0.5px solid var(--gm-verify-bdr);
    border-radius: 10px;
    color: var(--gm-verify-text);
    caret-color: var(--gm-verify-focus);
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

    .verify-input:focus {
        border-color: var(--gm-verify-focus);
        background: var(--gm-verify-input);
        box-shadow: 0 0 0 3px rgba(104, 88, 72, 0.15);
    }

.btn-verify-cancel {
    background: linear-gradient(135deg, #6b6b6b 0%, #444 100%);
    color: #fff;
    border: none;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 24px;
}

.btn-verify-ok {
    background: linear-gradient(135deg, #8E7F70 0%, #685848 100%);
    color: #fff;
    border: none;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 24px;
    box-shadow: 0 4px 14px rgba(104, 88, 72, 0.4);
}

    .btn-verify-ok:disabled {
        opacity: 0.4;
        cursor: not-allowed;
        box-shadow: none;
    }