/* ============================================================
 * rd-newuser-modal.css — 注册引导弹窗
 * 单独成文件，独立于 rd-coupon.css
 * ============================================================ */

.rdn-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity 0.25s ease;
    padding: 16px;
}
.rdn-overlay.active {
    opacity: 1; pointer-events: auto;
}

.rdn-panel {
    width: 100%; max-width: 720px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f1c2e 100%);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 80px rgba(59,130,246,0.15);
    padding: 28px 24px 20px;
    position: relative;
    transform: scale(0.94);
    transition: transform 0.32s cubic-bezier(.4, 0, .2, 1.18);
    max-height: 90vh; overflow-y: auto;
}
.rdn-overlay.active .rdn-panel { transform: scale(1); }

[data-theme="light"] .rdn-panel {
    background: linear-gradient(135deg, #ffffff 0%, #fef3c7 50%, #fde68a 100%);
    border-color: rgba(0,0,0,0.08);
    color: #1f2937;
    box-shadow: 0 24px 60px rgba(0,0,0,0.2);
}

.rdn-close {
    position: absolute; top: 14px; right: 14px;
    width: 32px; height: 32px;
    background: rgba(255,255,255,0.06);
    border: none; border-radius: 50%;
    color: #9ca3af;
    font-size: 20px; line-height: 1; cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.rdn-close:hover { background: rgba(255,255,255,0.12); color: #fff; }
[data-theme="light"] .rdn-close { background: rgba(0,0,0,0.05); color: #6b7280; }
[data-theme="light"] .rdn-close:hover { background: rgba(0,0,0,0.1); color: #1f2937; }

.rdn-header {
    text-align: center; margin-bottom: 22px;
}
.rdn-gift {
    font-size: 56px;
    margin-bottom: 8px;
    animation: rdn-bounce 1.4s ease-in-out infinite;
}
@keyframes rdn-bounce {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-6px) scale(1.05); }
}
.rdn-title {
    margin: 0; font-size: 22px; font-weight: 800;
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #ef4444);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}
.rdn-subtitle {
    margin: 8px 0 0; font-size: 13px; color: #9ca3af;
}
[data-theme="light"] .rdn-subtitle { color: #6b7280; }

.rdn-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.rdn-card {
    --rdn-accent: #10B981;
    position: relative;
    padding: 18px 14px;
    border-radius: 14px;
    text-align: center;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--rdn-accent) 22%, transparent),
        color-mix(in srgb, var(--rdn-accent) 8%, transparent));
    border: 1.5px solid color-mix(in srgb, var(--rdn-accent) 45%, transparent);
    color: #fff;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    cursor: default;
}
.rdn-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px color-mix(in srgb, var(--rdn-accent) 25%, transparent);
    border-color: color-mix(in srgb, var(--rdn-accent) 70%, transparent);
}
.rdn-card.claimed {
    opacity: 0.7;
    position: relative;
}
.rdn-card.claimed::after {
    content: '✓ 已领取';
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(-12deg);
    background: rgba(16, 185, 129, 0.95);
    color: #fff; font-weight: 700; font-size: 14px;
    padding: 6px 14px; border-radius: 6px;
    border: 2px solid #fff;
}

[data-theme="light"] .rdn-card {
    color: #111827;
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--rdn-accent) 18%, white),
        color-mix(in srgb, var(--rdn-accent) 6%, white));
}

.rdn-card-icon { font-size: 26px; line-height: 1; margin-bottom: 4px; }
.rdn-card-disc {
    font-size: 30px; font-weight: 900;
    color: var(--rdn-accent); letter-spacing: -1px;
    line-height: 1.1; margin-bottom: 6px;
}
.rdn-card-name { font-size: 13px; font-weight: 700; }
.rdn-card-meta {
    font-size: 11px; opacity: 0.7; margin-top: 4px;
}
.rdn-card-tip {
    margin-top: 10px; padding: 4px 8px;
    font-size: 11px;
    background: rgba(245, 158, 11, 0.18);
    color: #fbbf24;
    border-radius: 6px;
    display: inline-block;
}
[data-theme="light"] .rdn-card-tip {
    background: rgba(245, 158, 11, 0.15);
    color: #b45309;
}
.rdn-card-badge {
    position: absolute; top: -6px; right: -6px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    padding: 2px 8px; font-size: 10px; font-weight: 700;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.4);
}

.rdn-actions {
    display: flex; gap: 12px;
    margin-bottom: 12px;
}
.rdn-btn {
    flex: 1;
    padding: 12px 18px;
    border-radius: 12px;
    font-size: 14px; font-weight: 700;
    border: none; cursor: pointer;
    transition: all 0.15s;
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.rdn-btn.ghost {
    background: rgba(255,255,255,0.06);
    color: #9ca3af;
    border: 1px solid rgba(255,255,255,0.1);
}
.rdn-btn.ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }
[data-theme="light"] .rdn-btn.ghost {
    background: rgba(0,0,0,0.05);
    color: #6b7280;
    border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .rdn-btn.ghost:hover {
    background: rgba(0,0,0,0.1); color: #111827;
}
.rdn-btn.primary {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
}
.rdn-btn.primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 22px rgba(16, 185, 129, 0.45);
}
.rdn-btn:disabled { opacity: 0.7; cursor: wait; }

.rdn-flash {
    display: inline-block;
    animation: rdn-flash 1.2s ease-in-out infinite;
}
@keyframes rdn-flash {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.18); }
}

.rdn-spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid rgba(255,255,255,0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: rdn-spin 0.7s linear infinite;
}
@keyframes rdn-spin {
    to { transform: rotate(360deg); }
}

.rdn-tip {
    margin: 0; text-align: center;
    font-size: 11px; color: #6b7280;
}

/* 移动端 */
@media (max-width: 520px) {
    .rdn-panel { padding: 22px 18px 16px; }
    .rdn-title { font-size: 18px; }
    .rdn-gift { font-size: 44px; }
    .rdn-card-disc { font-size: 24px; }
    .rdn-actions { flex-direction: column; }
}