/* ── Classic OS Theme (90s Desktop) ────────────────── */
.theme-classic {
    --bg-dark: #c0c0c0; /* Classic Grey */
    --surface: #d4d0c8;
    --surface-light: #ffffff;
    --text-main: #000000;
    --text-muted: #808080;
    --accent: #000080; /* Navy Title Bar */
    
    --glass-bg: #d4d0c8;
    --glass-border: #ffffff;
    --glass-shadow: 2px 2px 0px #000;
    
    --breakfast: #800000; /* Dark Red */
    --lunch: #008000;    /* Dark Green */
    --dinner: #000080;   /* Dark Blue */
    --snacks: #808000;   /* Olive */
}

.theme-classic body {
    background-color: #3a6ea5; /* Classic Win95 Teal */
}

.theme-classic .app-container {
    border: 2px solid;
    border-color: #ffffff #808080 #808080 #ffffff;
    background: #c0c0c0;
    padding: 4px;
}

.theme-classic header {
    background: linear-gradient(90deg, #000080, #1084d0);
    color: white;
    padding: 4px 8px;
    margin-bottom: 10px;
}

.theme-classic .logo-text, .theme-classic .logo-text span {
    color: white;
    font-size: 1rem;
    font-weight: bold;
}

.theme-classic .box {
    border-radius: 0;
    border: 2px solid;
    border-color: #808080 #ffffff #ffffff #808080;
    background: #ffffff;
}

.theme-classic .box.filled {
    border-color: #404040 #d4d0c8 #d4d0c8 #404040;
}

.theme-classic .btn, .theme-classic .meal-btn {
    border-radius: 0;
    border: 2px solid;
    border-color: #ffffff #808080 #808080 #ffffff;
    background: #c0c0c0;
    color: black;
}

.theme-classic .btn:active, .theme-classic .meal-btn.active {
    border-color: #808080 #ffffff #ffffff #808080;
    padding-top: 2px;
    padding-left: 2px;
}