/*
 * HEADER MODULE - Synergia AI
 * Styles for site header, navigation, logo, user actions
 */

/* === SITE HEADER === */
.site-header { 
    background-color: var(--bg-primary); 
    border-bottom: 1px solid var(--border-color); 
    padding: 0 20px; 
    position: sticky; 
    top: 0; 
    z-index: var(--z-header); 
    height: var(--header-height); 
    transition: background-color 0.3s ease, border-color 0.3s ease; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); 
}

.site-header-inner { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    height: 100%; 
    max-width: 1600px; 
    margin: 0 auto; 
}

/* === LOGO === */
.site-branding .site-title-link { 
    color: var(--text-primary); 
    text-decoration: none; 
    transition: all 0.3s ease; 
    display: flex; 
    align-items: center; 
}

.site-branding .site-title-link:hover { 
    transform: scale(1.05); 
}

.site-title { 
    margin: 0; 
    font-size: 24px; 
    font-weight: 700; 
    background: linear-gradient(135deg, var(--accent-color), #00d4aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    letter-spacing: -0.5px;
    font-family: var(--font-family-primary);
}

body.light-mode .site-title {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === HEADER ACTIONS === */
.header-actions { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
}

/* === USER ACCOUNT SECTION === */
.user-account-actions { 
    display: flex; 
    align-items: center; 
    gap: 5px; 
    border-right: 1px solid var(--border-color); 
    padding-right: 15px; 
    margin-right: 5px; 
    transition: border-color 0.3s ease; 
}

.header-icon { 
    color: var(--text-primary); 
    text-decoration: none; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 44px; 
    height: 44px; 
    border-radius: 50%; 
    transition: background-color 0.2s; 
}

.header-icon svg { 
    width: 22px; 
    height: 22px; 
}

.user-avatar-link { 
    display: block; 
    width: 32px; 
    height: 32px; 
    border-radius: 50%; 
    overflow: hidden; 
}

.header-avatar { 
    display: block; 
    width: 100%; 
    height: 100%; 
}

.header-icon:hover, 
.user-avatar-link:hover { 
    background-color: rgba(255,255,255,0.1); 
}

body.light-mode .header-icon:hover, 
body.light-mode .user-avatar-link:hover { 
    background-color: rgba(0,0,0,0.05); 
}