/* =========================================================
   浪漫工坊 · 工具箱公共样式
   被 romance/ 目录下所有工具页引用
   主题：玫瑰奶油信纸（暖色）——与 love_pages 表白生成器的深色
   星空是两套独立风格，此处类名沿用 lp- 前缀便于页面零改动换肤
   ========================================================= */

/* ===== 颜色变量（统一色板，改一处全变） ===== */
:root {
    /* 玫瑰奶油主题核心色 */
    --bg-deep:          #fff7f4;
    --bg-mid:           #ffeee9;
    --bg-deepest:       #ffe4e0;
    --nebula-purple:    rgba(255, 170, 190, .20);
    --nebula-cyan:      rgba(255, 210, 180, .16);
    --nebula-pink:      rgba(255, 120, 150, .10);

    --neon-pink:        #e85a71;
    --neon-purple:      #c96f8e;
    --neon-cyan:        #e08b5a;
    --gold:             #c98a3d;

    --text-bright:      #5c3a44;
    --text-dim:         #a3848e;

    --glass-bg:         rgba(255, 255, 255, .62);
    --glass-bg-strong:  rgba(255, 255, 255, .85);
    --glass-border:     rgba(225, 130, 140, .26);
    --glass-glow:       0 10px 34px rgba(214, 106, 130, .14);

    --gradient-neon:    linear-gradient(135deg, #ff7a96, #e85a71 55%, #d4695a);
    --gradient-warm:    linear-gradient(135deg, #ff9a76, #e85a71);
    --gradient-success: linear-gradient(135deg, #5cb884, #3da172);

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

/* ===== 奶油玫瑰底：放到 body 或独立 div 上（z-index -2） ===== */
.lp-star-bg {
    background:
        radial-gradient(ellipse 80% 50% at 18% 0%,  var(--nebula-purple), transparent 60%),
        radial-gradient(ellipse 70% 60% at 85% 26%, 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); }

/* 粒子 canvas（由 romance_common.js 的 lpStarfield 自动创建/挂载，现渲染花瓣+光点） */
.lp-stars-canvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

/* ===== 顶部操作栏（工具页共用：返回 + 分享） ===== */
.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(255, 250, 246, .72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(225, 130, 140, .18);
}
.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: rgba(255, 255, 255, .66);
    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(225, 130, 140, .5); }
.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 3px 14px rgba(232, 90, 113, .35);
    text-shadow: 0 1px 2px rgba(180, 60, 80, .25);
}
.lp-topbar .lp-share:hover {
    transform: scale(1.05);
    background-position: 100% 50%;
    box-shadow: 0 5px 20px rgba(232, 90, 113, .4);
}
.lp-topbar .lp-share:active { transform: scale(.96); }
.lp-topbar .lp-share.lp-done { background: var(--gradient-success); box-shadow: 0 3px 12px rgba(77, 178, 130, .35); }

/* ===== 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; }

/* ===== 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(255, 252, 248, .94);
    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(201, 138, 61, .35);
    box-shadow: 0 6px 24px rgba(214, 106, 130, .22);
    animation: lpTipIn .4s cubic-bezier(.22, 1.2, .36, 1) both;
    max-width: calc(100vw - 32px);
    text-align: center;
    line-height: 1.55;
}
@keyframes lpTipIn {
    from { opacity: 0; transform: translateX(-50%) translateY(14px) scale(.92); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}

/* ===== 奶油卡片 ===== */
.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);
}

/* ===== 玫瑰渐变文字 ===== */
.lp-neon-text {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 8px rgba(232, 90, 113, .22));
}

/* 蜜金点缀文字 */
.lp-gold-text {
    color: var(--gold);
    text-shadow: 0 1px 6px rgba(201, 138, 61, .25);
}

/* ===== 玫瑰主按钮 ===== */
.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 22px rgba(232, 90, 113, .35), inset 0 1px 0 rgba(255, 255, 255, .35);
    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 30px rgba(232, 90, 113, .42), inset 0 1px 0 rgba(255, 255, 255, .35);
}
.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: rgba(255, 255, 255, .6);
    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(225, 130, 140, .5); }
.lp-btn-ghost:active { transform: scale(.97); }

/* ===== 表单控件（奶油白统一风格） ===== */
.lp-input,
.lp-select,
.lp-textarea {
    width: 100%;
    background: rgba(255, 255, 255, .78);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-bright);
    font-size: .95rem;
    font-family: inherit;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    -webkit-appearance: none;
    appearance: none;
}
.lp-input::placeholder,
.lp-textarea::placeholder { color: rgba(163, 132, 142, .7); }
.lp-input:focus,
.lp-select:focus,
.lp-textarea:focus {
    border-color: rgba(232, 90, 113, .55);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(232, 90, 113, .14);
}
.lp-select {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23a3848e' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}
.lp-select option { background: #fff; color: var(--text-bright); }
.lp-textarea { resize: vertical; min-height: 90px; }

/* 表单标签 */
.lp-label {
    display: block;
    font-size: .82rem;
    color: var(--text-dim);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

/* ===== 渐变分隔线 ===== */
.lp-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(232, 90, 113, .4), rgba(255, 154, 118, .4), 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(232, 90, 113, .22); }
    50%      { box-shadow: 0 0 30px rgba(255, 122, 150, .32); }
}

/* ===== 滚动条 & 选中色（暖色化） ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(232, 90, 113, .3);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(232, 90, 113, .5); }
::selection { background: rgba(232, 90, 113, .28); color: #5c3a44; }