/* ================================
   MifA - 主樣式表
   ================================ */

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #b8860b;
    --primary-dark: #8b6914;
    --primary-light: #d4a84b;
    --secondary-color: #2c3e50;
    --accent-color: #e8d5b7;
    --text-dark: #1a1a1a;
    --text-medium: #555555;
    --text-light: #888888;
    --bg-light: #faf8f5;
    --bg-white: #ffffff;
    --bg-cream: #faf5eb;
    --border-color: #e5e5e5;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Noto Sans TC', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ================================
   Navigation
   ================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    /* 改為 MifA 徽章 logo(D 方案)
       圓形徽章 + 雙圓框 + 中央 MifA 字 + 下方小鑽石 */
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    display: inline-block;
    vertical-align: middle;
    /* 微微浮起,讓 logo 與 nav 文字 baseline 對齊 */
    margin-right: 2px;
    background: #fff;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 2px;
    /* MifA logo 字(D 方案配合 C 方案的襯線字風格) */
    font-style: normal;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-medium);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-dark);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    display: block;
    padding: var(--space-md);
    font-size: 1rem;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu a:hover {
    background: var(--bg-light);
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu {
        display: block;
    }
    
    /* Mobile auth button sizing */
    .nav-auth {
        gap: var(--space-sm);
    }
    
    .auth-btn-login {
        padding: 6px 10px !important;
        font-size: 0.8rem !important;
    }
    
    .auth-btn-login span {
        display: none;
    }
    
    .user-avatar-small {
        width: 32px !important;
        height: 32px !important;
        font-size: 0.9rem !important;
    }
}

/* ================================
   Hero Section
   ================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-white) 50%, var(--accent-color) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: var(--space-2xl);
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--primary-color);
    color: var(--bg-white);
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    animation: fadeInUp 1s ease 0.4s backwards;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--bg-white);
}

.cta-button i {
    transition: transform var(--transition-fast);
}

.cta-button:hover i {
    transform: translateX(5px);
}

.cta-button-large {
    padding: var(--space-xl) var(--space-3xl);
    font-size: 1.2rem;
}

.hero-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    pointer-events: none;
}

.hero-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(184, 134, 11, 0.2);
    border-radius: 50%;
    animation: pulse-ring 4s ease-in-out infinite;
}

.hero-ring:nth-child(1) {
    width: 400px;
    height: 400px;
    animation-delay: 0s;
}

.hero-ring:nth-child(2) {
    width: 600px;
    height: 600px;
    animation-delay: 0.5s;
}

.hero-ring:nth-child(3) {
    width: 800px;
    height: 800px;
    animation-delay: 1s;
}

@keyframes pulse-ring {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-button {
        padding: var(--space-md) var(--space-xl);
        font-size: 1rem;
    }
}

/* ================================
   Sections
   ================================ */
.section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
}

/* ================================
   About Section
   ================================ */
.about-section {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.feature {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-light);
border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--space-md);
}

.feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.feature p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.about-img-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid var(--primary-color);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.about-img-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .about-img-wrapper {
        order: -1;
    }
}

/* ================================
   Process Section
   ================================ */
.process-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.process-step {
    position: relative;
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.process-step:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: #b8860b;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: var(--space-lg) auto;
    background: rgba(184, 134, 11, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon i {
    font-size: 2rem;
    color: #b8860b;
}

.process-section .section-header .section-tag {
    color: #b8860b;
}

.process-section .section-header .section-title {
    color: #fff;
}

.process-section .section-header .section-desc {
    color: rgba(255, 255, 255, 0.8);
}

.process-step h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.process-step p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.6;
}

@media (max-width: 992px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* ================================
   Gallery Section
   ================================ */
.gallery-section {
    background: var(--bg-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 280px);
    gap: var(--space-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
}

.gallery-item.large {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--bg-white);
    margin-bottom: var(--space-xs);
}

.gallery-overlay p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 200px);
    }
    
    .gallery-item.large {
        grid-column: span 2;
    }
}

@media (max-width: 576px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .gallery-item,
    .gallery-item.large {
        grid-column: span 1;
        height: 250px;
    }
}

/* ================================
   CTA Section
   ================================ */
.cta-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: var(--space-3xl) 0;
}

.cta-content {
    text-align: center;
    color: var(--bg-white);
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: #fff;
}

.cta-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.cta-section .cta-button {
    background: var(--primary-color);
    color: var(--bg-white);
}

.cta-section .cta-button:hover {
    background: var(--primary-dark);
    color: var(--bg-white);
}

/* ================================
   Contact Section
   ================================ */
.contact-section {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.6;
}

.contact-form {
    background: var(--bg-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--primary-color);
    color: var(--bg-white);
    padding: var(--space-md) var(--space-2xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

@media (max-width: 992px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* ================================
   Footer
   ================================ */
.footer {
    background: var(--secondary-color);
    color: var(--bg-white);
    padding: var(--space-3xl) 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    padding-right: var(--space-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

/* 修正:footer 的 logo-icon 原本是 <span> 用 color 設色,改為 <img> 後用 background 包住金色徽章 */
.footer-logo .logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    background: #fff; /* 給徽章加白底,在深色 footer 上更突出 */
    padding: 0;
}

.footer-logo .logo-text {
    color: var(--bg-white);
}

.footer-brand p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--bg-white);
}

.footer-links a {
    display: block;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-sm) 0;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: var(--space-sm);
}

.footer-newsletter h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--bg-white);
}

.footer-newsletter p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--bg-white);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--primary-light);
}

.footer-bottom {
    padding: var(--space-lg) 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ================================
   Modal
   ================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-content-small {
    max-width: 400px;
}

.modal-content-medium {
    max-width: 560px;
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 36px;
    height: 36px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-medium);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--border-color);
    color: var(--text-dark);
}

/* ================================
   Profile Content
   ================================ */
.profile-content {
    text-align: center;
    padding-top: var(--space-lg);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.profile-avatar span {
    font-size: 2rem;
    font-weight: 600;
    color: var(--bg-white);
}

.profile-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
}

.profile-content > p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: var(--space-xl);
}

.profile-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.profile-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.profile-menu-item:hover {
    background: var(--accent-color);
    color: var(--text-dark);
}

.profile-menu-item i {
    width: 20px;
    color: var(--primary-color);
}

/* ================================
   Auth Buttons (Header)
   ================================ */
.auth-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.auth-btn-login {
    background: transparent;
    color: var(--text-medium);
    border: 2px solid var(--border-color);
}

.auth-btn-login:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.auth-btn-signup {
    background: var(--primary-color);
    color: var(--bg-white);
}

.auth-btn-signup:hover {
    background: var(--primary-dark);
    color: var(--bg-white);
}

.user-avatar-small {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.user-avatar-small:hover {
    transform: scale(1.1);
}

/* ================================
   Utility Classes
   ================================ */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.hidden {
    display: none !important;
}

/* ================================
   Loading Spinner
   ================================ */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--bg-white);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    padding: var(--space-md) var(--space-xl);
    background: var(--text-dark);
    color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--success-color);
}

.toast.error {
    background: var(--error-color);
}

.toast.warning {
    background: var(--warning-color);
}

/* ================================
   Language Switcher (Dropdown Style - No Flag)
   ================================ */
.lang-switcher {
    position: relative;
    display: inline-block;
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-switcher-btn:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
    color: var(--text-dark);
}

.lang-switcher-btn .globe-icon {
    font-size: 1rem;
}

.lang-switcher-btn .chevron-icon {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.lang-switcher-btn.active .chevron-icon {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
    overflow: hidden;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9rem;
    color: var(--text-dark);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
    text-align: left;
}

.lang-option:hover {
    background: var(--bg-light);
}

.lang-option.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--bg-white);
}

@media (max-width: 576px) {
    .lang-switcher-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}

/* ================================
   Order ID Badge (My Designs)
   ================================ */
.design-id-badge {
    display: inline-block;
    background: linear-gradient(135deg, #c0a875 0%, #a08860 100%);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 12px;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    box-shadow: 0 2px 4px rgba(192, 168, 117, 0.3);
}

/* ================================
   Order Card Design Reference
   ================================ */
.order-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.order-id {
    font-weight: 600;
    font-size: 0.95rem;
}

.design-id-ref {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: normal;
}

/* ================================
   v17.3.0: 隱藏 minimax 平台自動注入的「Created by MiniMax Agent」浮水印
   ================================ */
#minimax-floating-ball,
.minimax-floating-ball,
a[href*="agent.minimax.io"][target="_blank"] {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* ============================================================
   v21: AI Showcase Video (Veo 3.1 Lite)
   共用於 my-designs / orders / admin 三個頁面
   ============================================================ */

.design-video-wrap {
    margin: 12px 0;
    padding: 12px;
    background: rgba(192, 168, 117, 0.04);
    border: 1px solid rgba(192, 168, 117, 0.18);
    border-radius: 8px;
}

.design-video-compact {
    margin: 0;
    padding: 8px;
    background: transparent;
    border: none;
}

.design-video-player {
    display: block;
    max-height: 360px;
    background: #000;
    border-radius: 6px;
}

.design-video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
    font-size: 0.78rem;
    color: #888;
}

.design-video-spec,
.design-video-no-audio {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    border: 1px solid rgba(192, 168, 117, 0.25);
}

.design-video-no-audio {
    color: #b08d57;
}

.design-video-empty {
    margin: 12px 0;
    padding: 16px;
    text-align: center;
    color: #999;
    background: rgba(192, 168, 117, 0.03);
    border: 1px dashed rgba(192, 168, 117, 0.25);
    border-radius: 8px;
    font-size: 0.9rem;
    font-style: italic;
}

.design-video-actions {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.design-video-actions .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.design-video-note {
    font-size: 0.78rem;
    color: #b08d57;
    margin: 0;
    line-height: 1.4;
}

.design-video-locked-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(176, 141, 87, 0.18) 0%, rgba(176, 141, 87, 0.10) 100%);
    color: #8a6a3a;
    border: 1px solid rgba(176, 141, 87, 0.35);
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
}

/* v21.2: preview (未採納) badge - 提醒用戶這是預覽 */
.design-video-preview-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    padding: 4px 10px;
    background: linear-gradient(135deg, rgba(142, 84, 233, 0.12) 0%, rgba(142, 84, 233, 0.04) 100%);
    color: #6b3fa0;
    border: 1px solid rgba(142, 84, 233, 0.3);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.design-video-preview-meta {
    color: #6b3fa0;
    background: rgba(142, 84, 233, 0.08);
}

/* v21.2: 重生按鈕 - 採納前可重新生成 */
.btn-regenerate-video {
    background: white;
    color: #6b3fa0;
    border: 1px solid rgba(142, 84, 233, 0.4);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    margin-top: 6px;
}

.btn-regenerate-video:hover:not(:disabled) {
    background: rgba(142, 84, 233, 0.06);
}

.btn-regenerate-video:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-generate-video {
    width: 100%;
    margin-top: 8px;
    padding: 8px 12px;
    font-size: 0.85rem;
    background: linear-gradient(135deg, #6a4c93 0%, #8b5cf6 100%);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: opacity 0.2s ease, transform 0.1s ease;
}

.btn-generate-video:hover:not(:disabled) {
    opacity: 0.92;
    transform: translateY(-1px);
}

.btn-generate-video:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-adopt-video {
    background: linear-gradient(135deg, #1e7d3a 0%, #27ae60 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}

.btn-adopt-video:hover:not(:disabled) {
    opacity: 0.92;
}

.btn-adopt-video:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.detail-section-video {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(192, 168, 117, 0.15);
}

.detail-section-video h3 {
    margin: 0 0 12px;
    color: #5a4a2a;
    font-size: 1rem;
}

/* admin 專用 (訂單卡片 / 設計卡片內的影片區塊) */
.admin-design-video-block,
.admin-order-video-block {
    /* 已有 inline style,這裡補 hover 效果 */
    transition: background 0.2s ease;
}

.admin-design-video-block:hover,
.admin-order-video-block:hover {
    background: rgba(46, 204, 113, 0.08) !important;
}

.admin-design-video-block video,
.admin-order-video-block video {
    max-height: 280px;
}