/* UAV AI 健康醫師 管理系統 - 主要樣式 */

/* 重置與基礎樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 太空科技感色彩配置 */
    --primary-bg: #0a0e1a;
    --secondary-bg: #1a1f2e;
    --tertiary-bg: #2a2f3e;
    --accent-bg: #3a3f4e;
    
    --primary-color: #00d4ff;
    --secondary-color: #667eea;
    --tertiary-color: #764ba2;
    --accent-color: #f093fb;
    
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #7a8a9a;
    
    --success-color: #00ff88;
    --warning-color: #ffaa00;
    --danger-color: #ff4757;
    --info-color: #3742fa;
    
    --border-color: rgba(0, 212, 255, 0.2);
    --border-hover: rgba(0, 212, 255, 0.4);
    
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* 字體 */
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Exo 2', sans-serif;
    
    /* 動畫 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-secondary);
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 粒子背景 */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, var(--primary-bg) 0%, #1a1f2e 50%, #2a2f3e 100%);
}

/* 主容器 */
.main-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 導航欄 */
.navbar {
    background: rgba(26, 31, 46, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-text {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: var(--transition-normal);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: var(--shadow-glow);
}

.nav-user {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.nav-user:hover {
    background: rgba(0, 212, 255, 0.1);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-card);
}

.nav-user:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
}

/* 主要內容區域 */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* 閃現訊息 */
.flash-messages {
    max-width: 1200px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
}

.flash-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    border-left: 4px solid;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    animation: slideIn 0.3s ease;
}

.flash-success {
    border-left-color: var(--success-color);
    background: rgba(0, 255, 136, 0.1);
}

.flash-error {
    border-left-color: var(--danger-color);
    background: rgba(255, 71, 87, 0.1);
}

.flash-warning {
    border-left-color: var(--warning-color);
    background: rgba(255, 170, 0, 0.1);
}

.flash-info {
    border-left-color: var(--info-color);
    background: rgba(55, 66, 250, 0.1);
}

.flash-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.flash-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* 頁尾 */
.footer {
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-left i {
    color: var(--primary-color);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.status-online {
    color: var(--success-color);
    animation: pulse 2s infinite;
}

/* 動畫 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color);
    }
}

/* 響應式設計 - 修復 PC 端排列問題 */

/* 大螢幕 (PC 端) 優化 */
@media (min-width: 1200px) {
    .nav-container {
        padding: 0 3rem;
    }
    
    .nav-brand {
        font-size: 1.8rem;
    }
    
    .nav-menu {
        gap: 2.5rem;
    }
    
    .nav-link {
        padding: 0.75rem 1.25rem;
        font-size: 1rem;
    }
    
    .main-content {
        padding: 3rem 0;
    }
    
    .flash-messages {
        padding: 0 3rem;
    }
    
    .footer-content {
        padding: 0 3rem;
    }
}

/* 中等螢幕 (平板) */
@media (max-width: 1024px) and (min-width: 769px) {
    .nav-container {
        padding: 0 2rem;
    }
    
    .nav-brand {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        gap: 2rem;
    }
    
    .main-content {
        padding: 2rem 0;
    }
    
    .flash-messages {
        padding: 0 2rem;
    }
    
    .footer-content {
        padding: 0 2rem;
    }
}

/* 小螢幕 (手機) */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        flex-wrap: wrap;
    }
    
    .nav-brand {
        font-size: 1.2rem;
        order: 1;
    }
    
    .nav-menu {
        gap: 1rem;
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }
    
    .nav-link span {
        display: none;
    }
    
    .nav-user {
        order: 2;
    }
    
    .main-content {
        padding: 1rem 0;
    }
    
    .flash-messages {
        padding: 0 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 0 1rem;
    }
}

/* 超小螢幕 */
@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.5rem;
    }
    
    .nav-brand {
        font-size: 1rem;
    }
    
    .nav-menu {
        gap: 0.5rem;
        margin-top: 0.5rem;
    }
    
    .nav-link {
        padding: 0.5rem;
    }
    
    .main-content {
        padding: 0.5rem 0;
    }
    
    .flash-messages {
        padding: 0 0.5rem;
    }
    
    .footer-content {
        padding: 0 0.5rem;
    }
}

/* 橫向模式優化 */
@media (max-height: 600px) and (orientation: landscape) {
    .navbar {
        padding: 0.5rem 0;
    }
    
    .nav-brand {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .main-content {
        padding: 1rem 0;
    }
}

/* 滾動條樣式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 選擇文字樣式 */
::selection {
    background: var(--primary-color);
    color: var(--primary-bg);
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--primary-bg);
}