/* FlashGrab 全站共用樣式：design tokens、navbar、global loader
   由 templates/_partials/head.ftl 載入；頁面內嵌樣式可覆寫此處設定 */

:root {
    /* 品牌色（互動元素、導覽、按鈕） */
    --brand-color: #667eea;
    --brand-color-dark: #764ba2;
    --brand-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    /* 強調色（價格、促購） */
    --accent-color: #ee4d2d;
    --accent-gradient: linear-gradient(135deg, #ee4d2d 0%, #ff6b4a 100%);
    --card-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* ---- Navbar（templates/navbar.ftl） ---- */
.navbar {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 255, 0.98) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(102, 126, 234, 0.15);
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.navbar-brand .brand-text {
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar .nav-link {
    color: #4b5563;
    font-weight: 600;
    padding: 0.6rem 1rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.navbar .nav-link i {
    font-size: 1.1rem;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar .nav-link:hover {
    color: var(--brand-color);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transform: translateY(-2px);
}

.navbar .nav-link-profile {
    background: var(--brand-gradient);
    color: #fff !important;
    border-radius: 25px;
    padding: 0.5rem 1.2rem;
}

.navbar .nav-link-profile i {
    background: none;
    -webkit-text-fill-color: #fff;
}

.navbar .nav-link-profile:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.navbar-toggler {
    border: 2px solid rgba(102, 126, 234, 0.3);
    padding: 0.4rem 0.6rem;
    border-radius: 8px;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.25);
}

/* ---- Global Loading Overlay（templates/navbar.ftl） ---- */
#global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(2px);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}