/* =========================================================
   表白网页生成器 · 公共样式（梦幻星空版）
   被 12 个特效页 + index.html + config.html 引用
   主题：深色星空底 + 星光粒子 + 霓虹渐变 + 玻璃拟态
   ========================================================= */

/* ===== 颜色变量（统一色板，改一处全变） ===== */
:root {
    /* 星空主题核心色 */
    --bg-deep:          #0a0e27;
    --bg-mid:           #1a1042;
    --bg-deepest:       #12082e;
    --nebula-purple:    rgba(162, 89, 255, .16);
    --nebula-cyan:      rgba(77, 208, 225, .12);
    --nebula-pink:      rgba(255, 107, 157, .10);

    --neon-pink:        #ff6b9d;
    --neon-purple:      #a259ff;
    --neon-cyan:        #4dd0e1;
    --gold:             #ffd700;

    --text-bright:      #f4f1ff;
    --text-dim:         #9d94c8;

    --glass-bg:         rgba(255, 255, 255, .06);
    --glass-bg-strong:  rgba(255, 255, 255, .10);
    --glass-border:     rgba(255, 255, 255, .14);
    --glass-glow:       0 8px 32px rgba(0, 0, 0, .35);

    --gradient-neon:    linear-gradient(135deg, var(--neon-pink), var(--neon-purple) 50%, var(--neon-cyan));
    --gradient-warm:    linear-gradient(135deg, #ff6b9d, #ff8e53);
    --gradient-success: linear-gradient(135deg, #4dd0a1, #2eb888);

    /* 兼容旧变量名（部分页面可能直接引用） */
    --brand-pink:       #ff6b9d;
    --pink-primary:     #ff6b9d;
    --pink-secondary:   #a259ff;
    --pink-deep:        #c2486a;
    --pink-muted:       #9d94c8;
    --pink-soft:        rgba(255, 107, 157, .18);
    --success:          #4dd0a1;
    --success-deep:     #2eb888;
    --text-primary:     #f4f1ff;
    --text-muted:       #9d94c8;
    --gradient-primary: var(--gradient-neon);

    --safe-top:         env(safe-area-inset-top, 0px);
    --safe-bottom:      env(safe-area-inset-bottom, 0px);
}

/* ===== 星空底：放到 body 或独立 div 上（z-index -2） ===== */
.lp-star-bg {
    background:
        radial-gradient(ellipse 80% 50% at 20% 0%,  var(--nebula-purple), transparent 60%),
        radial-gradient(ellipse 70% 60% at 85% 30%, var(--nebula-cyan),   transparent 65%),
        radial-gradient(ellipse 90% 70% at 50% 110%, var(--nebula-pink),  transparent 60%),
        linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 55%, var(--bg-deepest) 100%);
    background-attachment: fixed;
}
body.lp-star-bg { min-height: 100vh; color: var(--text-bright); }

/* 星空 canvas（由 love_common.js 的 lpStarfield 自动创建/挂载） */
.lp-stars-canvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

/* ===== 顶部操作栏（12 特效页共用） ===== */
.lp-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: calc(8px + var(--safe-top)) 14px 8px;
    background: rgba(10, 14, 39, .55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.lp-topbar .lp-back {
    color: var(--text-bright);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: background .2s ease, border-color .2s ease;
}
.lp-topbar .lp-back:hover { background: var(--glass-bg-strong); border-color: rgba(255, 255, 255, .3); }
.lp-topbar .lp-back::before { content: '← '; color: var(--neon-pink); }
.lp-topbar .lp-share {
    border: none;
    border-radius: 999px;
    padding: 7px 16px;
    background: var(--gradient-neon);
    background-size: 150% 150%;
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .15s ease, box-shadow .2s ease, background-position .4s ease;
    box-shadow: 0 2px 14px rgba(162, 89, 255, .45);
    text-shadow: 0 1px 2px rgba(0, 0, 0, .2);
}
.lp-topbar .lp-share:hover {
    transform: scale(1.05);
    background-position: 100% 50%;
    box-shadow: 0 4px 20px rgba(255, 107, 157, .5);
}
.lp-topbar .lp-share:active { transform: scale(.96); }
.lp-topbar .lp-share.lp-done { background: var(--gradient-success); box-shadow: 0 2px 12px rgba(77, 208, 161, .4); }

/* ===== 操作引导气泡 ===== */
.lp-tip {
    position: fixed;
    bottom: calc(70px + var(--safe-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 201;
    background: rgba(16, 12, 46, .82);
    color: var(--text-bright);
    padding: 10px 22px;
    border-radius: 999px;
    font-size: 14px;
    white-space: nowrap;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, .25);
    box-shadow: 0 6px 24px rgba(0, 0, 0, .4), 0 0 18px rgba(162, 89, 255, .25);
    animation: lpTipIn .4s cubic-bezier(.22, 1.2, .36, 1) both;
}
@keyframes lpTipIn {
    from { opacity: 0; transform: translateX(-50%) translateY(14px) scale(.92); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
/* 窄屏：超长引导文案（如拼图/恶搞页 25 字以上）不允许撑破视口，改为居中换行 */
@media (max-width: 480px) {
    .lp-tip {
        white-space: normal;
        max-width: calc(100vw - 32px);
        text-align: center;
        line-height: 1.55;
        padding: 9px 18px;
    }
}

/* ===== 顶部 padding 补偿（避免被操作栏遮挡） ===== */
.lp-body-pad-top { padding-top: calc(52px + var(--safe-top)) !important; }

/* ===== 玻璃卡片 ===== */
.lp-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-glow);
}

/* ===== 霓虹渐变文字 ===== */
.lp-neon-text {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 14px rgba(162, 89, 255, .35));
}

/* 金色点缀文字 */
.lp-gold-text {
    color: var(--gold);
    text-shadow: 0 0 12px rgba(255, 215, 0, .4);
}

/* ===== 霓虹主按钮 ===== */
.lp-btn-neon {
    display: inline-block;
    border: none;
    border-radius: 999px;
    padding: 12px 34px;
    background: var(--gradient-neon);
    background-size: 160% 160%;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 1px;
    box-shadow: 0 6px 24px rgba(162, 89, 255, .45), inset 0 1px 0 rgba(255, 255, 255, .25);
    transition: transform .18s cubic-bezier(.34, 1.56, .64, 1), box-shadow .25s ease, background-position .4s ease;
}
.lp-btn-neon:hover {
    transform: translateY(-2px) scale(1.03);
    background-position: 100% 50%;
    box-shadow: 0 10px 32px rgba(255, 107, 157, .55), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.lp-btn-neon:active { transform: scale(.96); }
.lp-btn-neon:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* 幽灵按钮（次要操作） */
.lp-btn-ghost {
    display: inline-block;
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 10px 26px;
    background: var(--glass-bg);
    color: var(--text-bright);
    font-size: .9rem;
    cursor: pointer;
    transition: background .2s ease, border-color .2s ease, transform .15s ease;
}
.lp-btn-ghost:hover { background: var(--glass-bg-strong); border-color: rgba(255, 255, 255, .3); }
.lp-btn-ghost:active { transform: scale(.97); }

/* ===== 渐变分隔线 ===== */
.lp-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(162, 89, 255, .5), rgba(255, 107, 157, .5), transparent);
    border: none;
}

/* ===== 通用入场动画 ===== */
@keyframes lpFadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes lpFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}
@keyframes lpGlowPulse {
    0%, 100% { box-shadow: 0 0 16px rgba(162, 89, 255, .3); }
    50%      { box-shadow: 0 0 30px rgba(255, 107, 157, .5); }
}

/* ===== 滚动条 & 选中色（深色化） ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(162, 89, 255, .35);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 107, 157, .5); }
::selection { background: rgba(162, 89, 255, .45); color: #fff; }