/* PWA Welcome Screen（首次開啟 PWA 才顯示，由 pwa-welcome.js 建立） */

/* ── 主 overlay ─────────────────────────────────────────── */
#sbs-welcome {
    position: fixed;
    inset: 0;
    z-index: 999998; /* 低於 Splash（999999），Splash 移除後才接管 */
    background: #ffffff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang TC', 'Noto Sans TC', sans-serif;
}

/* ── 頁面容器（水平排列） ───────────────────────────────── */
.welcome-pages {
    flex: 1;
    display: flex;
    width: 400%; /* 4 頁 */
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

.welcome-page {
    width: 25%; /* 每頁佔 welcome-pages 的 25%，即螢幕 100% */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 32px 24px;
    box-sizing: border-box;
    text-align: center;
    overflow: hidden;
}

/* ── P1：Logo + 品牌 ────────────────────────────────────── */
.welcome-logo svg {
    width: 96px;
    height: 96px;
    margin-bottom: 20px;
}

.welcome-brand {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: 0.02em;
    margin-bottom: 10px;
}

.welcome-tagline {
    font-size: 15px;
    color: #6b7280;
    line-height: 1.6;
}

/* ── P2：功能卡片 ───────────────────────────────────────── */
.welcome-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
    margin-top: 8px;
}

.welcome-card {
    background: #f8faff;
    border: 1px solid #e8edf8;
    border-radius: 16px;
    padding: 20px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.welcome-card-icon {
    font-size: 28px;
    line-height: 1;
}

.welcome-card-label {
    font-size: 13px;
    font-weight: 600;
    color: #374151;
}

.welcome-card-desc {
    font-size: 11px;
    color: #9ca3af;
    line-height: 1.4;
}

.welcome-section-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 24px;
}

/* ── P3：推播 soft-ask ──────────────────────────────────── */
.welcome-notif-icon {
    font-size: 56px;
    margin-bottom: 16px;
    line-height: 1;
}

.welcome-notif-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.welcome-notif-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 32px;
}

.welcome-btn-primary {
    width: 100%;
    padding: 16px;
    background: #4562BD;
    color: #ffffff;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.02em;
    transition: opacity 0.15s;
}

.welcome-btn-primary:active {
    opacity: 0.85;
}

/* ── P4：結果頁 ─────────────────────────────────────────── */
.welcome-result-icon {
    font-size: 60px;
    margin-bottom: 16px;
    line-height: 1;
}

.welcome-result-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.welcome-result-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 32px;
}

.welcome-result-desc.state-granted { color: #059669; }
.welcome-result-desc.state-denied  { color: #dc2626; }
.welcome-result-desc.state-skipped { color: #6b7280; }

/* ── 底部導覽 ───────────────────────────────────────────── */
.welcome-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px 32px;
    gap: 12px;
    flex-shrink: 0;
}

.welcome-nav-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid #e5e7eb;
    background: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #374151;
    transition: background 0.15s, border-color 0.15s;
    flex-shrink: 0;
}

.welcome-nav-btn:active { background: #f3f4f6; }
.welcome-nav-btn:disabled,
.welcome-nav-btn[hidden] { visibility: hidden; pointer-events: none; }

/* ── 點狀指示器 ─────────────────────────────────────────── */
.welcome-dots {
    display: flex;
    gap: 8px;
    align-items: center;
}

.welcome-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #d1d5db;
    transition: background 0.2s, transform 0.2s;
}

.welcome-dot.active {
    background: #4562BD;
    transform: scale(1.3);
}

/* ── 次要連結（略過 / 待會再說）────────────────────────── */
.welcome-skip {
    font-size: 13px;
    color: #9ca3af;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.welcome-skip:active { color: #6b7280; }