/* ================================
   Viet-Top 注册页样式（register.html 专用）
   依赖 css/style.css 的变量与基础组件
   ================================ */

/* ===== 页面基础 ===== */
.register-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #1D3557 0%, #2A3A5C 40%, #E63946 100%);
}

.register-page .navbar {
    background: rgba(29, 53, 87, 0.55);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.register-page .navbar .logo-text,
.register-page .navbar .nav-link {
    color: var(--color-white);
}

.register-page .navbar .nav-link:hover {
    background: rgba(230, 57, 70, 0.85);
}

/* ===== 主体布局 ===== */
.register-main {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    padding: 110px 24px 60px;
    overflow: hidden;
}

.register-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 40%, rgba(255, 217, 61, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 25%, rgba(6, 167, 125, 0.12) 0%, transparent 35%),
        radial-gradient(circle at 60% 90%, rgba(244, 162, 97, 0.1) 0%, transparent 35%);
    pointer-events: none;
}

.register-container {
    max-width: 1060px;
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* ===== 左侧品牌区 ===== */
.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.95);
}

.brand-title {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.2;
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.brand-desc {
    font-size: 1rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 32px;
    max-width: 460px;
}

.brand-points {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.brand-points li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.point-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.14);
    color: var(--color-yellow);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

/* ===== 右侧注册卡片 ===== */
.register-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
    padding: 40px 36px;
}

.register-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.register-subtitle {
    font-size: 0.88rem;
    color: var(--color-text-light);
    margin-bottom: 26px;
}

/* ===== 表单元素（复用 style.css 的 form-group 基础样式并扩展） ===== */
.register-card .form-group input {
    background: var(--color-bg);
}

.register-card .form-group input:focus {
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

/* 手机号行：国际区号 + 号码 */
.phone-row {
    display: flex;
    gap: 10px;
}

.country-select {
    flex-shrink: 0;
    width: 128px;
    padding: 12px 10px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg);
    outline: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.country-select:focus {
    border-color: var(--color-primary);
    background: var(--color-white);
}

.phone-row input {
    flex: 1;
}

/* 图形验证码行 */
.captcha-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.captcha-row input {
    flex: 1;
    letter-spacing: 2px;
}

#captchaCanvas {
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1.5px solid var(--color-border);
    transition: var(--transition-fast);
}

#captchaCanvas:hover {
    border-color: var(--color-primary);
}

/* 短信验证码行 */
.sms-row {
    display: flex;
    gap: 10px;
}

.sms-row input {
    flex: 1;
    letter-spacing: 3px;
}

.sms-btn {
    flex-shrink: 0;
    min-width: 128px;
    padding: 12px 16px;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--color-white);
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.sms-btn:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

.sms-btn:disabled {
    background: var(--color-text-lighter);
    cursor: not-allowed;
    opacity: 0.7;
}

/* 密码行 */
.password-row {
    position: relative;
}

.password-row input {
    padding-right: 46px;
}

.pwd-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    color: var(--color-text-lighter);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.pwd-toggle:hover {
    color: var(--color-primary);
    background: rgba(230, 57, 70, 0.08);
}

/* 协议勾选 */
.agreement-group {
    margin: 4px 0 20px;
}

.agreement-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--color-text-light);
    line-height: 1.6;
    cursor: pointer;
}

.agreement-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-top: 3px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.agreement-label a {
    color: var(--color-primary);
    font-weight: 500;
}

.agreement-label a:hover {
    text-decoration: underline;
}

/* 错误 / 提示文案 */
.field-tip {
    font-size: 0.76rem;
    color: var(--color-text-lighter);
    margin-top: 6px;
    line-height: 1.5;
}

.field-error {
    font-size: 0.78rem;
    color: var(--color-primary);
    margin-top: 6px;
    min-height: 0;
    display: none;
    line-height: 1.5;
}

.field-error.show {
    display: block;
}

/* 提交按钮 */
.register-btn {
    margin-top: 6px;
    padding: 14px 32px;
    letter-spacing: 4px;
}

.register-success {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(6, 167, 125, 0.08);
    color: var(--color-secondary-dark);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    text-align: center;
}

.register-footer-tip {
    margin-top: 18px;
    font-size: 0.74rem;
    color: var(--color-text-lighter);
    text-align: center;
    line-height: 1.6;
}

/* ===== 简化 Footer ===== */
.footer-simple {
    padding: 24px 0;
}

.footer-bottom-center {
    justify-content: center;
}

.footer-bottom-center .footer-legal {
    text-align: center;
}

/* ===== 响应式 ===== */
/* 注册页无汉堡菜单：移动端导航保持内联显示 */
@media (max-width: 768px) {
    .register-page .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        flex-direction: row;
        padding: 0;
        gap: 4px;
        box-shadow: none;
    }

    .register-page .nav-menu .nav-link {
        color: var(--color-white);
        width: auto;
        padding: 8px 14px;
    }
}

@media (max-width: 1024px) {
    .register-container {
        grid-template-columns: 1fr;
        gap: 40px;
        max-width: 520px;
    }

    .brand-title {
        font-size: 2.2rem;
    }

    .brand-desc {
        max-width: none;
    }

    .brand-points {
        display: none;
    }
}

@media (max-width: 480px) {
    .register-main {
        padding: 96px 16px 40px;
    }

    .register-page .lang-btn {
        padding: 7px 10px;
    }

    .register-page #langCurrentLabel {
        display: none;
    }

    .register-card {
        padding: 28px 20px;
    }

    .brand-title {
        font-size: 1.8rem;
    }

    .phone-row {
        flex-direction: column;
    }

    .country-select {
        width: 100%;
    }

    .captcha-row,
    .sms-row {
        flex-wrap: nowrap;
    }

    .sms-btn {
        min-width: 108px;
        padding: 12px 10px;
        font-size: 0.82rem;
    }
}