/* 基本重置與變數 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 色彩系統 */
    --primary-bg: #0f0f1e;
    --secondary-bg: #1a1a2e;
    --accent-color: #00d4ff;
    --accent-secondary: #7f5af0;
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --success-color: #00f5a0;
    --error-color: #ff6b6b;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* 間距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* 字體 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

body {
    font-family: var(--font-family);
    background: var(--primary-bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* 動畫背景 */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg,
            var(--primary-bg) 0%,
            var(--secondary-bg) 50%,
            #16213e 100%);
    animation: gradientShift 15s ease infinite;
}

.background-animation::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle,
            rgba(0, 212, 255, 0.15) 0%,
            transparent 70%);
    top: -250px;
    right: -250px;
    animation: float 20s ease-in-out infinite;
}

.background-animation::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle,
            rgba(127, 90, 240, 0.15) 0%,
            transparent 70%);
    bottom: -200px;
    left: -200px;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes gradientShift {

    0%,
    100% {
        filter: hue-rotate(0deg);
    }

    50% {
        filter: hue-rotate(20deg);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(30px, -50px) rotate(120deg);
    }

    66% {
        transform: translate(-20px, 30px) rotate(240deg);
    }
}

/* 船的動畫容器 */
.ship-container {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto var(--spacing-lg);
    transform: translateY(-20px);
}

.ship-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: floatShip 3s ease-in-out infinite;
    filter: drop-shadow(0 10px 15px rgba(0, 212, 255, 0.3));
    position: relative;
    z-index: 2;
}

@keyframes floatShip {

    0%,
    100% {
        transform: translateY(12px) rotate(-5deg);
    }

    50% {
        transform: translateY(0px) rotate(3deg);
    }
}

/* 海浪動畫 - 前3條在船體下方 */
.waves {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 180px;
    overflow: hidden;
    pointer-events: none;
}

.wave {
    position: absolute;
    left: 0;
    width: 200%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg"><path d="M0,0 V40 Q250,80 500,40 T1000,40 V0 Z" fill="%2300d4ff" /></svg>') repeat-x;
    background-size: 50% 100%;
}

/* 前3條海浪在船體下方 */
.wave1 {
    animation: moveWave 4s linear infinite;
    opacity: 0.675;
    z-index: 1;
    bottom: 65px;
}

.wave2 {
    animation: moveWave 5s linear infinite reverse;
    opacity: 0.9;
    z-index: 1;
    bottom: 42px;
}

.wave3 {
    animation: moveWave 6s linear infinite;
    opacity: 1.0;
    z-index: 1;
    bottom: 20px;
}

/* wave4 獨立容器，覆蓋在船體上方 */
.wave4-container {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 120px;
    overflow: hidden;
    pointer-events: none;
    z-index: 10;
}

.wave4 {
    animation: moveWave 7s linear infinite reverse;
    opacity: 0.7;
    bottom: 5px;
}

@keyframes moveWave {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Glassmorphism 卡片 */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 600px;
    animation: cardFadeIn 0.6s ease-out;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 按鈕樣式 */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    color: #fff;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 300px;
    margin-top: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Microsoft 圖示 */
.microsoft-icon {
    width: 20px;
    height: 20px;
}

/* 錯誤訊息 */
.error-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 8px;
    color: var(--error-color);
    font-size: 0.9rem;
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.5s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

/* 登入內容 */
.login-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.company-name {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, #00a8cc 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.company-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* 個人資料頁面 */
#profileScreen {
    max-width: 900px;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: var(--spacing-lg);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
    overflow: hidden;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-header-info {
    flex: 1;
}

.profile-header-info h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
}

.profile-header-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 個人資訊網格 */
.section-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-color);
    font-weight: 600;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.info-item {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.info-value {
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 500;
    word-break: break-word;
}

/* 群組列表 */
.additional-info {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
}

.group-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.group-badge {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.group-badge:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
}

/* 載入動畫 */
.loading-spinner {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* 響應式設計 */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

    .glass-card {
        padding: var(--spacing-lg);
    }

    .company-name {
        font-size: 2rem;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {

    /* 容器上下高度減少20% */
    .glass-card {
        padding-top: 1.6rem;
        padding-bottom: 1.6rem;
    }

    /* 公司名往下移 */
    .logo-section {
        margin-bottom: 2rem;
        margin-top: 1rem;
    }

    /* 船動畫縮小20%：220px -> 176px，並減少下方間距 */
    .ship-container {
        width: 176px;
        height: 176px;
        margin-bottom: 1rem;
    }

    /* 按鈕左右縮小15%，上下縮小10% */
    .btn-primary {
        padding: 0.9rem 2.125rem;
        max-width: 255px;
    }

    .company-name {
        font-size: 1.6rem;
        white-space: nowrap;
    }

    .company-subtitle {
        font-size: 0.6rem;
        transform: scaleX(0.88);
        white-space: nowrap;
    }

    .profile-avatar {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* PWA 安裝提示 */
.install-prompt {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
    z-index: 1000;
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}