/*
Theme Name: Boston Astronomy
Theme URI: https://bostonastronomy.net
Author: John Sheff
Author URI: https://bostonastronomy.net
Description: Custom WordPress theme for Boston Astronomy, recreating the site's original layout (logo banner, horizontal nav, upcoming events list, nightly sky chart, and monthly/yearly astronomical events tables) as fully editable WordPress content.
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: boston-astronomy
*/

:root{
  --ba-navy:#0b1d33;
  --ba-blue:#1b3a5c;
  --ba-accent:#c9a227;
  --ba-bg:#f7f8fa;
  --ba-text:#1f242b;
  --ba-muted:#5a6472;
  --ba-border:#e0e3e8;
}

*{box-sizing:border-box;}

body{
  margin:0;
  background:var(--ba-bg);
  color:var(--ba-text);
  font-family:"Georgia", "Times New Roman", serif;
  line-height:1.6;
}

a{color:var(--ba-blue); text-decoration:none;}
a:hover{color:var(--ba-accent); text-decoration:underline;}

.ba-wrap{
  max-width:1100px;
  margin:0 auto;
  padding:0 20px;
}

/* Header */
.ba-header{
  background:var(--ba-navy);
  color:#fff;
  padding:18px 0 0;
}
.ba-header .ba-wrap{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.ba-site-title{
  font-style:italic;
  font-size:2rem;
  margin:0;
  letter-spacing:.5px;
}
.ba-site-title a{color:#fff;}
.ba-site-title .thin{font-weight:400;}
.ba-site-title .bold{font-weight:700;}
.ba-header img.custom-logo{
  max-height:70px;
  width:auto;
  border-radius:4px;
}
.ba-banner img{
  width:100%;
  display:block;
  max-height:260px;
  object-fit:cover;
  margin-top:16px;
}

/* Layout: sidebar nav on the left, main content on the right */
.ba-layout{
  display:flex;
  align-items:flex-start;
  gap:26px;
  padding-top:20px;
}

/* Nav (vertical sidebar) */
.ba-nav-sidebar{
  background:var(--ba-blue);
  border-right:3px solid var(--ba-accent);
  border-radius:6px;
  width:220px;
  flex:0 0 220px;
  overflow:hidden;
  position:sticky;
  top:20px;
}
.ba-nav-sidebar ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
}
.ba-nav-sidebar li{border-bottom:1px solid rgba(255,255,255,.15);}
.ba-nav-sidebar li:last-child{border-bottom:none;}
.ba-nav-sidebar a{
  display:block;
  padding:12px 18px;
  color:#eef2f7;
  font-family:Arial, Helvetica, sans-serif;
  font-size:.92rem;
  text-decoration:none;
}
.ba-nav-sidebar a:hover, .ba-nav-sidebar .current-menu-item a{
  background:var(--ba-accent);
  color:#1c1c1c;
}

/* Parent items that have a submenu (e.g. Resources) get a small caret */
.ba-nav-sidebar li.menu-item-has-children > a::after{
  content:"▾";
  float:right;
  font-size:.7rem;
  opacity:.7;
  margin-left:8px;
}

/* Nested submenu (e.g. the Resources sub-pages) — visually indented and
   distinguished so they read as children, not top-level items */
.ba-nav-sidebar .sub-menu{
  list-style:none;
  margin:0;
  padding:0;
  background:rgba(0,0,0,.18);
}
.ba-nav-sidebar .sub-menu li{border-bottom:1px solid rgba(255,255,255,.08);}
.ba-nav-sidebar .sub-menu a{
  padding:9px 18px 9px 34px;
  font-size:.82rem;
  color:#c3ccd8;
  position:relative;
}
.ba-nav-sidebar .sub-menu a::before{
  content:"–";
  position:absolute;
  left:20px;
  opacity:.6;
}
.ba-nav-sidebar .sub-menu a:hover, .ba-nav-sidebar .sub-menu .current-menu-item a{
  background:var(--ba-accent);
  color:#1c1c1c;
}

/* Second-level nesting (e.g. "Length and Distance" under "Parameters of
   the Universe") — indented further, distinguished from its parent level */
.ba-nav-sidebar .sub-menu .sub-menu{
  background:rgba(0,0,0,.30);
}
.ba-nav-sidebar .sub-menu .sub-menu a{
  padding:8px 18px 8px 48px;
  font-size:.78rem;
  color:#aeb8c6;
}
.ba-nav-sidebar .sub-menu .sub-menu a::before{
  content:"◦";
  left:34px;
}
.ba-nav-sidebar .sub-menu li.menu-item-has-children > a::after{
  content:"▾";
  float:right;
  font-size:.65rem;
  opacity:.7;
  margin-left:8px;
}

.ba-main{
  flex:1;
  min-width:0;
}

@media (max-width:780px){
  .ba-layout{flex-direction:column;}
  .ba-nav-sidebar{width:100%; flex:1 1 auto; position:static;}
}

/* Content sections */
.ba-section{
  background:#fff;
  border:1px solid var(--ba-border);
  border-radius:6px;
  padding:24px 28px;
  margin:26px 0;
}
.ba-section h2{
  font-family:Arial, Helvetica, sans-serif;
  font-size:1.3rem;
  color:var(--ba-navy);
  border-bottom:2px solid var(--ba-accent);
  padding-bottom:8px;
  margin-top:0;
}
.ba-intro{font-size:1.05rem;}
.ba-intro .ba-contact{color:var(--ba-muted); font-size:.95rem;}

/* Upcoming events */
.ba-event{
  border-left:4px solid var(--ba-accent);
  padding:10px 16px;
  margin-bottom:18px;
  background:#fbfaf6;
}
.ba-event h3{margin:0 0 4px; font-size:1.1rem; color:var(--ba-navy);}
.ba-event .ba-when{font-weight:bold; font-family:Arial, sans-serif; font-size:.9rem; color:var(--ba-blue);}
.ba-event .ba-where{font-style:italic; color:var(--ba-muted);}
.ba-event p{margin:6px 0 0;}

/* Sky chart */
.ba-skychart{text-align:center;}
.ba-skychart img{max-width:100%; border:1px solid var(--ba-border); border-radius:4px;}
.ba-skychart figcaption{font-family:Arial, sans-serif; font-size:.9rem; color:var(--ba-muted); margin-top:8px;}

/* Tables (monthly/yearly astronomical events, editable via block editor) */
.ba-section table{
  width:100%;
  border-collapse:collapse;
  font-family:Arial, Helvetica, sans-serif;
  font-size:.92rem;
}
.ba-section table th, .ba-section table td{
  border:1px solid var(--ba-border);
  padding:6px 10px;
  text-align:left;
}
.ba-section table th{
  background:var(--ba-navy);
  color:#fff;
}
.ba-section table tr:nth-child(even) td{background:#f4f6f9;}

/* Footer */
.ba-footer{
  background:var(--ba-navy);
  color:#cfd6e0;
  font-family:Arial, Helvetica, sans-serif;
  font-size:.85rem;
  padding:20px 0;
  margin-top:40px;
  text-align:center;
}
.ba-footer a{color:var(--ba-accent);}

/* Generic page content */
.ba-page-content{
  background:#fff;
  border:1px solid var(--ba-border);
  border-radius:6px;
  padding:28px 32px;
  margin:26px 0;
}
.ba-page-content img{max-width:100%; height:auto;}

@media (max-width:600px){
  .ba-site-title{font-size:1.5rem;}
  .ba-nav a{padding:10px 12px; font-size:.85rem;}
  .ba-section, .ba-page-content{padding:18px;}
}