/**
 * @name: register.css
 * @description: 帳號流程頁樣式（/register、/verify、/register-profile）
 *               兩欄外殼 .auth-shell、箭頭式進度列 .flow-steps、卡片 .auth-card、內嵌插圖 .szy-art
 * @version: 2.0.0（2026-08-18 重寫；配色只走 default.css 的 token，規範見 .claude/skills/site-style/SKILL.md）
 */

/* ================================
   主色半透明（沒有全域 token，這裡依 SKILL.md §2 的固定值定義）
   ================================ */
:root {
    --auth-accent-soft: rgba(195, 13, 35, 0.10);
    --auth-accent-ring: rgba(195, 13, 35, 0.18);
    --auth-accent-glow: rgba(195, 13, 35, 0.28);
    --auth-art-shadow: rgba(44, 36, 32, 0.12);
    --auth-inverse-soft: rgba(255, 255, 255, 0.24);
}

[data-theme="dark"] {
    --auth-accent-soft: rgba(212, 175, 55, 0.16);
    --auth-accent-ring: rgba(212, 175, 55, 0.24);
    --auth-accent-glow: rgba(212, 175, 55, 0.30);
    --auth-art-shadow: rgba(0, 0, 0, 0.40);
    --auth-inverse-soft: rgba(26, 23, 20, 0.26);
}

/* ================================
   頁面與外殼
   ================================ */
.auth-page {
    padding: 1.5rem 0 3rem;
}

@media (min-width: 992px) {
    .auth-page {
        padding: 3rem 0 4rem;
    }
}

.auth-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    max-width: 1080px;
    margin: 0 auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: background-color var(--transition-speed) ease,
                border-color var(--transition-speed) ease;
}

@media (min-width: 992px) {
    .auth-shell {
        grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    }
}

.auth-shell--single {
    max-width: 720px;
}

@media (min-width: 992px) {
    .auth-shell--single {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* ================================
   品牌側欄
   ================================ */
.auth-brand {
    position: relative;
    overflow: hidden;
    padding: 1.75rem 1.5rem 1.5rem;
    background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-bottom: 1px solid var(--border-color);
}

@media (min-width: 992px) {
    .auth-brand {
        display: flex;
        flex-direction: column;
        padding: 3rem 2.5rem 2.25rem;
        border-bottom: 0;
        border-right: 1px solid var(--border-color);
    }
}

/* 低透明度主色光暈（rooms／attractions hero 同款） */
.auth-brand::before,
.auth-brand::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.06;
    pointer-events: none;
}

.auth-brand::before {
    width: 380px;
    height: 380px;
    top: -150px;
    right: -130px;
}

.auth-brand::after {
    width: 300px;
    height: 300px;
    bottom: -130px;
    left: -110px;
}

.auth-brand > * {
    position: relative;
    z-index: 1;
}

.auth-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.35rem 0.9rem;
    border-radius: 2rem;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.auth-eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary-color);
}

.auth-brand-title {
    font-size: clamp(1.45rem, 2.2vw, 1.85rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 0 0 0.75rem;
}

.auth-brand-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    margin-top: 0.75rem;
    border-radius: 2px;
}

.auth-brand-subtitle {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0 0 1.25rem;
    font-size: 0.95rem;
}

.auth-brand-art {
    margin: 0 auto 1.25rem;
    max-width: 260px;
}

@media (min-width: 992px) {
    .auth-brand-art {
        max-width: 420px;
        margin-bottom: 1.75rem;
    }
}

.auth-brand-art .szy-art {
    filter: drop-shadow(0 14px 24px var(--auth-art-shadow));
}

.auth-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: grid;
    gap: 0.9rem;
}

.auth-benefit {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
}

.auth-benefit-icon {
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
}

.auth-benefit-icon i {
    color: inherit;
}

.auth-benefit-title {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.auth-benefit-desc {
    display: block;
    font-size: 0.86rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.auth-brand-foot {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.auth-brand-foot a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.auth-brand-foot a:hover {
    text-decoration: underline;
}

/* 手機：側欄只留眉標、標題、副標與縮小的插圖，讓表單盡快進入視野 */
@media (max-width: 991.98px) {
    .auth-benefits,
    .auth-brand-foot {
        display: none;
    }

    .auth-brand-title::after {
        margin-left: 0;
    }
}

/* ================================
   主區
   ================================ */
.auth-main {
    padding: 1.5rem 1rem 2rem;
}

@media (min-width: 576px) {
    .auth-main {
        padding: 2rem 2rem 2.5rem;
    }
}

@media (min-width: 992px) {
    .auth-main {
        padding: 2.75rem 3rem 3rem;
    }
}

.auth-shell--single .auth-main {
    padding-top: 2rem;
}

/* ================================
   箭頭式進度列（=>=>）
   ================================ */
.flow-steps {
    list-style: none;
    margin: 0 0 1.75rem;
    padding: 0;
    display: flex;
    gap: 0.35rem;
}

.flow-step {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 0.9rem 0.7rem 1.65rem;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    /* 左缺口、右箭頭 */
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 50%, calc(100% - 16px) 100%, 0 100%, 16px 50%);
    transition: background-color var(--transition-speed) ease,
                color var(--transition-speed) ease;
}

/* default.css 對 span 有全域文字色，這裡明確改回繼承，狀態色才會一路傳到文字 */
.flow-step-n,
.flow-step-text,
.flow-step-label,
.flow-step-desc {
    color: inherit;
}

.flow-step:first-child {
    padding-left: 1rem;
    border-radius: 0.5rem 0 0 0.5rem;
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 50%, calc(100% - 16px) 100%, 0 100%);
}

.flow-step:last-child {
    border-radius: 0 0.5rem 0.5rem 0;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 16px 50%);
}

.flow-step-num {
    flex: 0 0 1.75rem;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    background-color: var(--bg-secondary);
    color: var(--text-tertiary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.flow-step-check {
    display: none;
    font-size: 1rem;
    line-height: 1;
}

.flow-step-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.25;
}

.flow-step-label {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: inherit;
}

.flow-step-desc {
    font-size: 0.72rem;
    opacity: 0.75;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: inherit;
}

/* 進行中：主色實底、反白 */
.flow-step.is-active {
    background-color: var(--primary-color);
    color: var(--text-inverse);
}

.flow-step.is-active .flow-step-num {
    background-color: var(--auth-inverse-soft);
    color: var(--text-inverse);
    border-color: transparent;
}

/* 已完成：淡主色底、打勾 */
.flow-step.is-done {
    background-color: var(--auth-accent-soft);
    color: var(--text-primary);
}

.flow-step.is-done .flow-step-num {
    background-color: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

.flow-step.is-done .flow-step-n {
    display: none;
}

.flow-step.is-done .flow-step-check {
    display: inline;
}

@media (max-width: 575.98px) {
    .flow-steps {
        gap: 0.25rem;
        margin-bottom: 1.25rem;
    }

    .flow-step {
        gap: 0.4rem;
        padding: 0.5rem 0.55rem 0.5rem 1.1rem;
        clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%, 10px 50%);
    }

    .flow-step:first-child {
        padding-left: 0.65rem;
        clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%);
    }

    .flow-step:last-child {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 10px 50%);
    }

    .flow-step-num {
        flex-basis: 1.4rem;
        width: 1.4rem;
        height: 1.4rem;
        font-size: 0.75rem;
    }

    .flow-step-label {
        font-size: 0.8rem;
    }

    .flow-step-desc {
        display: none;
    }

    /* 只有進行中的步驟顯示文字，其餘只留號碼 */
    .flow-step:not(.is-active) {
        flex: 0 0 auto;
        padding-right: 1rem;
    }

    .flow-step:not(.is-active) .flow-step-text {
        display: none;
    }
}

/* ================================
   卡片
   ================================ */
.auth-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-speed) ease,
                border-color var(--transition-speed) ease;
}

@media (min-width: 576px) {
    .auth-card {
        padding: 2rem;
    }
}

.auth-card + .auth-card {
    margin-top: 1.25rem;
}

.auth-card-head {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.auth-card-icon {
    flex: 0 0 52px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 6px 16px var(--auth-accent-ring);
}

.auth-card-icon i {
    color: inherit;
}

.auth-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin: 0 0 0.25rem;
    color: var(--text-primary);
}

.auth-card-subtitle {
    margin: 0;
    color: var(--text-tertiary);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* 置中的狀態卡片（驗證信已寄出／完成／錯誤） */
.auth-card--status {
    text-align: center;
}

.auth-card--status .auth-card-art {
    max-width: 260px;
    margin: 0 auto 1rem;
}

.auth-card--status .auth-card-title {
    font-size: 1.4rem;
}

.auth-card--status .auth-card-subtitle {
    max-width: 30rem;
    margin: 0 auto;
}

/* 狀態卡片的語意色只用在細線與 icon，不做整片色塊 */
.auth-card--danger .auth-card-icon {
    background: var(--bg-tertiary);
    color: #b02a37;
    box-shadow: none;
}

[data-theme="dark"] .auth-card--danger .auth-card-icon {
    color: #f1aeb5;
}

/* Email 顯示 */
.auth-email-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 100%;
    margin: 0.75rem 0 0.25rem;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    background-color: var(--auth-accent-soft);
    color: var(--text-primary);
    font-weight: 600;
    word-break: break-all;
}

.auth-email-chip span {
    color: inherit;
}

.auth-email-chip i {
    color: var(--primary-color);
}

/* 提示清單（接下來怎麼做） */
.auth-tips {
    text-align: left;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
}

.auth-tips-title {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.auth-tips ol {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.6rem;
}

.auth-tips li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.auth-tips li .auth-tip-num {
    flex: 0 0 1.5rem;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background-color: var(--auth-accent-soft);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.1rem;
}

/* 資訊列（驗證頁的類型／用戶／有效期限） */
.auth-info-list {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.auth-info-list li {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-info-list li:last-child {
    border-bottom: 0;
}

.auth-info-list li strong {
    color: var(--text-primary);
    font-weight: 600;
    min-width: 6rem;
}

/* 安全提示 */
.auth-security-note {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    margin-top: 1.25rem;
    color: var(--text-tertiary);
    font-size: 0.82rem;
    line-height: 1.6;
}

.auth-security-note span {
    color: inherit;
}

.auth-security-note i {
    color: var(--primary-color);
    margin-top: 0.15rem;
}

/* ================================
   表單
   ================================ */
.auth-form .form-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.auth-form .form-text {
    color: var(--text-tertiary);
    font-size: 0.82rem;
}

.auth-form .form-control {
    padding: 0.625rem 0.875rem;
    border-radius: 0.375rem;
}

.auth-form .form-control:focus {
    box-shadow: 0 0 0 0.2rem var(--auth-accent-ring);
}

.auth-form .form-control.is-invalid {
    border-color: #dc3545;
    background-image: none;
}

.auth-form .input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

/* 兩欄欄位（≥576px 密碼／確認密碼並排） */
.auth-form-row {
    display: grid;
    gap: 0 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 576px) {
    .auth-form-row {
        grid-template-columns: 1fr 1fr;
    }
}

/* 密碼強度 */
.auth-strength {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.auth-strength-bars {
    display: flex;
    gap: 0.25rem;
    flex: 1 1 auto;
    max-width: 180px;
}

.auth-strength-bar {
    flex: 1 1 0;
    height: 4px;
    border-radius: 2px;
    background-color: var(--border-color);
    transition: background-color var(--transition-speed) ease;
}

.auth-strength[data-level="1"] .auth-strength-bar:nth-child(-n+1),
.auth-strength[data-level="2"] .auth-strength-bar:nth-child(-n+2),
.auth-strength[data-level="3"] .auth-strength-bar:nth-child(-n+3),
.auth-strength[data-level="4"] .auth-strength-bar:nth-child(-n+4) {
    background-color: var(--primary-color);
}

.auth-strength[data-level="1"] .auth-strength-bar:nth-child(-n+1) {
    opacity: 0.45;
}

.auth-strength[data-level="2"] .auth-strength-bar:nth-child(-n+2) {
    opacity: 0.7;
}

.auth-strength-text {
    min-width: 2.5rem;
}

/* 條款勾選 */
.auth-terms {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin: 1.25rem 0 1rem;
}

.auth-terms .form-check-input {
    margin-top: 0.25rem;
    flex: 0 0 auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.auth-terms .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.auth-terms .form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem var(--auth-accent-ring);
}

.auth-terms label {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    cursor: pointer;
}

.auth-terms a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.auth-terms a:hover {
    border-bottom-color: var(--primary-color);
}

/* 主按鈕（在 .btn-primary-custom 之上加大） */
.auth-submit {
    padding: 0.8rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 0.5rem;
    letter-spacing: 0.04em;
}

.auth-submit:disabled {
    opacity: 0.65;
    transform: none;
    box-shadow: none;
    cursor: not-allowed;
}

/* 次要動作列 */
.auth-actions {
    display: grid;
    gap: 0.6rem;
    max-width: 22rem;
    margin: 1.25rem auto 0;
}

.auth-actions .btn-secondary-custom {
    padding: 0.7rem 1.25rem;
    border-radius: 0.5rem;
}

.auth-actions .btn-secondary-custom:disabled {
    opacity: 0.55;
    transform: none;
    box-shadow: none;
    cursor: not-allowed;
}

.auth-link-btn {
    background: none;
    border: 0;
    padding: 0.4rem;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: color var(--transition-speed) ease;
}

.auth-link-btn:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.auth-cooldown {
    min-height: 1.25rem;
    margin-top: 0.75rem;
    font-size: 0.82rem;
    color: var(--text-tertiary);
}

.auth-alt {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.92rem;
    color: var(--text-tertiary);
}

.auth-alt a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.auth-alt a:hover {
    text-decoration: underline;
}

/* 分隔線（第三方登入下方；與 login.css 的 .social-login-divider 同款） */
.auth-card .social-login {
    margin-bottom: 0.25rem;
}

/* 載入骨架 */
.auth-loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-tertiary);
}

.auth-loading .spinner-border {
    color: var(--primary-color);
    width: 2.25rem;
    height: 2.25rem;
    margin-bottom: 1rem;
}

/* ================================
   內嵌 SVG 插圖（顏色跟隨主題）
   ================================ */
/* .szy-art 與 .art-* 已於 2026-08-20 移到 default.css（導覽列 LOGO 也要用），這裡不再重複定義 */

/* 進場：外殼掛 default.css 的 .fade-in（fadeIn 0.5s），尊重減少動態偏好 */
@media (prefers-reduced-motion: reduce) {
    .auth-shell.fade-in {
        animation: none;
    }
}

/* ================================
   條款 Modal 內容
   ================================ */
#termsContent {
    max-height: 60vh;
}

#termsContent h1,
#termsContent h2,
#termsContent h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

#termsContent h1:first-child,
#termsContent h2:first-child {
    margin-top: 0;
}

#termsContent p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

#termsContent ul,
#termsContent ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

#termsContent li {
    margin-bottom: 0.5rem;
}