/**
 * 🎁 小雨論壇 - 彩蛋獎勵系統 UI 樣式
 * Egg Reward System Styles
 */

/* ===========================
   彩蛋按鈕（Header）
   =========================== */

.egg-reward-btn {
    position: relative;
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    margin-right: 1rem;
    animation: eggPulse 2s ease-in-out infinite;
}

.egg-reward-btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.egg-reward-btn:active {
    transform: scale(0.95);
}

/* 彩蛋徽章（可領取數量） */
.egg-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
    animation: badgeBounce 1s ease-in-out infinite;
}

.egg-badge:empty {
    display: none;
}

@keyframes eggPulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(245, 158, 11, 0.6);
    }
}

@keyframes badgeBounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* ===========================
   彩蛋模態框
   =========================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.egg-modal {
    background: var(--bg-secondary);
    border-radius: 24px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* 模態框頭部 */
.egg-modal .modal-header {
    padding: 2rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #0066ff 0%, #9333ea 100%);
    border-radius: 24px 24px 0 0;
}

.egg-modal .modal-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.25rem;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* ===========================
   彩蛋動畫區域
   =========================== */

.egg-animation-container {
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
}

.egg {
    display: inline-block;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.egg:hover {
    transform: scale(1.1) rotate(5deg);
}

.egg-shell {
    font-size: 6rem;
    animation: eggFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

.egg-sparkles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    opacity: 0.8;
    animation: sparkle 2s ease-in-out infinite;
    pointer-events: none;
}

@keyframes eggFloat {
    0%, 100% {
        transform: translateY(0) rotate(-3deg);
    }
    50% {
        transform: translateY(-20px) rotate(3deg);
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(0.8);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* 彩蛋打開動畫 */
.egg.cracking .egg-shell {
    animation: eggCrack 0.6s ease-out forwards;
}

.egg.opened .egg-shell {
    opacity: 0;
    transform: scale(0);
}

@keyframes eggCrack {
    0% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-15deg) scale(1.1);
    }
    50% {
        transform: rotate(15deg) scale(1.1);
    }
    75% {
        transform: rotate(-10deg) scale(1.05);
    }
    100% {
        transform: rotate(0deg) scale(0);
        opacity: 0;
    }
}

/* ===========================
   獎勵統計卡片
   =========================== */

.reward-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    padding: 2rem;
}

.stat-card {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ===========================
   可領取獎勵列表
   =========================== */

.available-rewards {
    padding: 0 2rem 2rem;
}

.available-rewards h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.rewards-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.reward-item {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.reward-item:hover {
    border-color: var(--primary-blue);
    transform: translateX(5px);
}

.reward-item.claimed {
    opacity: 0.5;
    pointer-events: none;
}

.reward-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.reward-icon {
    font-size: 1.5rem;
}

.reward-text h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.reward-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.reward-amount-badge {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

/* ===========================
   領取按鈕
   =========================== */

.claim-rewards-btn {
    width: calc(100% - 4rem);
    margin: 0 2rem 2rem;
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, #0066ff 0%, #9333ea 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.3);
}

.claim-rewards-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 102, 255, 0.5);
}

.claim-rewards-btn:active {
    transform: scale(0.98);
}

.claim-rewards-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.claim-rewards-btn .reward-amount {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 1.25rem;
}

/* ===========================
   獎勵規則
   =========================== */

.modal-footer {
    padding: 2rem;
    background: var(--bg-tertiary);
    border-radius: 0 0 24px 24px;
}

.reward-rules h5 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.reward-rules ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.reward-rules li {
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.reward-rules li strong {
    color: var(--primary-blue);
    font-weight: 700;
}

/* ===========================
   響應式設計
   =========================== */

/* 平板設備 (768px - 1024px) */
@media (max-width: 1024px) {
    .reward-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .stat-card {
        padding: 1.25rem 1rem;
    }
}

/* 手機設備 (max-width: 768px) */
@media (max-width: 768px) {
    .egg-reward-btn {
        padding: 0.6rem 0.8rem;
        font-size: 1.125rem;
        margin-right: 0.5rem;
    }

    .egg-modal {
        width: 95%;
        max-width: 95vw;
        max-height: 90vh;
        margin: 5vh auto;
        border-radius: 20px;
    }

    .egg-modal .modal-header {
        padding: 1.5rem;
    }

    .egg-modal .modal-header h3 {
        font-size: 1.5rem;
    }

    .egg-animation-container {
        padding: 2rem 1rem;
    }

    .egg-shell {
        font-size: 4rem;
    }

    .reward-stats {
        grid-template-columns: 1fr;
        padding: 1.5rem;
        gap: 0.75rem;
    }

    .stat-card {
        padding: 1rem 0.875rem;
    }

    .stat-icon {
        font-size: 2rem;
    }

    .stat-value {
        font-size: 1.125rem;
    }

    .available-rewards {
        padding: 0 1.5rem 1.5rem;
    }

    .reward-item {
        padding: 0.875rem 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .reward-info {
        width: 100%;
        gap: 0.75rem;
    }

    .reward-icon {
        font-size: 1.25rem;
    }

    .reward-text h5 {
        font-size: 0.9rem;
    }

    .reward-text p {
        font-size: 0.8rem;
    }

    .reward-amount-badge {
        width: 100%;
        text-align: center;
        padding: 0.5rem;
    }

    .claim-rewards-btn {
        width: calc(100% - 3rem);
        margin: 0 1.5rem 1.5rem;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .claim-rewards-btn .reward-amount {
        font-size: 1.125rem;
        padding: 0.375rem 0.875rem;
    }

    .modal-footer {
        padding: 1.5rem;
    }

    .reward-rules h5 {
        font-size: 1rem;
    }

    .reward-rules li {
        font-size: 0.8rem;
        padding: 0.375rem 0;
    }
}

/* 小型手機 (max-width: 480px) */
@media (max-width: 480px) {
    .egg-reward-btn {
        font-size: 1rem;
        padding: 0.5rem 0.6rem;
    }

    .egg-badge {
        min-width: 16px;
        min-height: 16px;
        font-size: 0.625rem;
        padding: 2px 4px;
    }

    .egg-modal {
        width: 100%;
        max-width: 100vw;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
    }

    .egg-modal .modal-header {
        padding: 1rem;
        border-radius: 0;
    }

    .egg-modal .modal-header h3 {
        font-size: 1.25rem;
    }

    .close-modal-btn {
        width: 36px;
        height: 36px;
        font-size: 1.25rem;
    }

    .egg-animation-container {
        padding: 1.5rem 1rem;
    }

    .egg-shell {
        font-size: 3.5rem;
    }

    .egg-subtitle {
        font-size: 0.875rem;
    }

    .reward-stats {
        padding: 1rem;
        gap: 0.5rem;
    }

    .stat-card {
        padding: 0.875rem 0.75rem;
        gap: 0.5rem;
    }

    .stat-icon {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .stat-value {
        font-size: 1rem;
    }

    .available-rewards {
        padding: 0 1rem 1rem;
    }

    .available-rewards h4 {
        font-size: 1.125rem;
    }

    .reward-item {
        padding: 0.75rem 0.875rem;
    }

    .reward-info {
        gap: 0.5rem;
    }

    .reward-icon {
        font-size: 1.125rem;
    }

    .reward-text h5 {
        font-size: 0.875rem;
    }

    .reward-text p {
        font-size: 0.75rem;
    }

    .reward-amount-badge {
        padding: 0.375rem 0.75rem;
        font-size: 0.9rem;
    }

    .claim-rewards-btn {
        width: calc(100% - 2rem);
        margin: 0 1rem 1rem;
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
    }

    .claim-rewards-btn .reward-amount {
        font-size: 1rem;
        padding: 0.3rem 0.75rem;
    }

    .modal-footer {
        padding: 1rem;
        border-radius: 0;
    }

    .reward-rules h5 {
        font-size: 0.9rem;
        margin-bottom: 0.75rem;
    }

    .reward-rules li {
        font-size: 0.75rem;
        padding: 0.3rem 0;
        gap: 0.375rem;
    }
}

/* 觸摸設備優化 */
@media (hover: none) and (pointer: coarse) {
    .egg-reward-btn,
    .close-modal-btn,
    .reward-item,
    .claim-rewards-btn {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    .egg-reward-btn:active,
    .close-modal-btn:active {
        transform: scale(0.95);
    }

    .reward-item:active {
        transform: translateX(3px);
    }

    .claim-rewards-btn:active {
        transform: translateY(0) scale(0.98);
    }

    /* 增加觸摸目標大小 */
    .egg-reward-btn,
    .close-modal-btn {
        min-width: 44px;
        min-height: 44px;
    }

    .reward-item {
        min-height: 60px;
    }

    .claim-rewards-btn {
        min-height: 48px;
    }
}

/* 橫屏模式優化 */
@media (max-height: 500px) and (orientation: landscape) {
    .egg-modal {
        max-height: 95vh;
        overflow-y: auto;
    }

    .egg-animation-container {
        padding: 1rem;
    }

    .egg-shell {
        font-size: 3rem;
    }

    .reward-stats {
        grid-template-columns: repeat(2, 1fr);
        padding: 1rem;
    }

    .modal-footer {
        padding: 1rem;
    }
}

/* 高 DPI 螢幕優化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .egg-modal {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }

    .claim-rewards-btn {
        box-shadow: 0 4px 16px rgba(0, 102, 255, 0.4);
    }
}

/* ===========================
   深色模式適配
   =========================== */

.dark-mode .egg-modal {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.dark-mode .stat-card,
.dark-mode .reward-item {
    background: rgba(255, 255, 255, 0.05);
}

.dark-mode .modal-footer {
    background: rgba(255, 255, 255, 0.03);
}

/* ===========================
   特殊效果
   =========================== */

/* 獎勵領取成功動畫 */
@keyframes rewardClaimed {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(0);
        opacity: 0;
    }
}

.reward-item.claiming {
    animation: rewardClaimed 0.6s ease-out forwards;
}

/* 金幣飛入動畫 */
@keyframes coinFly {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(0);
        opacity: 0;
    }
}

.coin-animation {
    position: fixed;
    font-size: 2rem;
    pointer-events: none;
    z-index: 10001;
    animation: coinFly 1s ease-out forwards;
}

/* ===========================
   安全錯誤提示
   =========================== */

.security-error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4) !important;
}

.security-error .reward-icon {
    animation: securityShake 0.5s ease-in-out;
}

@keyframes securityShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}