/*
Theme Name: Zvine OS Theme
Author: Mahfuz Ahmed
Description: A clean, dashboard-optimized theme designed for Zvine.
Version: 1.0.1
*/

:root {
    --header-bg: #ffffff;
    --body-bg: #f4f6f9;
    --text-main: #343a40;
    --primary: #007bff;
    --border-color: #e9ecef;
}

/* Reset & Base */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--body-bg);
    color: var(--text-main);
    line-height: 1.6;
}

a { text-decoration: none; color: var(--primary); }
* { box-sizing: border-box; }

/* Header */
.site-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 40px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.site-brand a {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}
.site-brand span { color: var(--primary); }

/* Navigation */
.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}
.main-navigation a {
    color: #6c757d;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}
.main-navigation a:hover { color: var(--primary); }

/* Main Layout */
.site-content {
    min-height: calc(100vh - 140px); /* Fill screen minus header/footer */
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 20px;
    color: #adb5bd;
    font-size: 14px;
    border-top: 1px solid var(--border-color);
    background: var(--header-bg);
}

/* WordPress Core Alignments */
.aligncenter { display: block; margin: 0 auto; }
.alignright { float: right; margin-left: 20px; }
.alignleft { float: left; margin-right: 20px; }

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    .site-header {
        height: auto;
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
    }
    
    .main-navigation ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .site-content {
        padding: 20px 15px;
    }

    .site-brand {
        width: 100%;
        text-align: center;
    }
}