/* ============================================================
   GujPsych Repository — Shared Stylesheet
   ============================================================ */

/* --- Variables --- */
:root {
  --cream: #f5f0e8; --cream-dark: #ede8de; --cream-darker: #e0d9cc;
  --ink: #1a1410; --ink-light: #3d3530; --ink-muted: #7a706a;
  --purple: #6b4f8a; --purple-light: #9b7ab8; --purple-pale: #f0eaf6;
  --border: #d4cdc0; --white: #faf8f4;
}

/* --- Reset --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; background: var(--cream); color: var(--ink); font-size: 15px; line-height: 1.7; }

/* --- Header & Nav --- */
header { background: var(--cream); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; padding: 0 2rem; }
.header-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-family: 'Cormorant Garamond', serif; font-size: 1.5rem; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; text-decoration: none; }
.logo span { color: var(--purple); }
nav { display: flex; gap: 2rem; align-items: center; }
nav a { font-size: 0.85rem; font-weight: 400; color: var(--ink-light); text-decoration: none; letter-spacing: 0.03em; transition: color 0.2s; }
nav a:hover { color: var(--purple); }
nav a.active { color: var(--purple); font-weight: 500; }
.nav-submit { background: var(--purple); color: white !important; padding: 0.45rem 1.1rem; border-radius: 4px; font-weight: 500 !important; transition: background 0.2s !important; }
.nav-submit:hover { background: var(--purple-light) !important; color: white !important; }

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  z-index: 200;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.25s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Layout --- */
main { min-height: calc(100vh - 64px); padding: 4rem 2rem; }
.container { max-width: 900px; margin: 0 auto; }

/* --- Page Header --- */
.page-header { padding-bottom: 2rem; border-bottom: 1px solid var(--border); margin-bottom: 2.5rem; }
.page-header .tag { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--purple); margin-bottom: 0.75rem; display: block; }
.page-header h2 { font-family: 'Cormorant Garamond', serif; font-size: 2.2rem; font-weight: 300; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 0.75rem; }
.page-header p { font-size: 0.9rem; color: var(--ink-muted); max-width: 560px; }

/* --- Buttons --- */
.btn-primary { background: var(--purple); color: white; padding: 0.75rem 1.75rem; border-radius: 4px; font-size: 0.875rem; font-weight: 500; text-decoration: none; transition: background 0.2s; cursor: pointer; border: none; display: inline-block; }
.btn-primary:hover { background: var(--purple-light); }
.btn-secondary { background: transparent; color: var(--ink); padding: 0.75rem 1.75rem; border-radius: 4px; font-size: 0.875rem; font-weight: 500; text-decoration: none; border: 1px solid var(--border); transition: border-color 0.2s; cursor: pointer; display: inline-block; }
.btn-secondary:hover { border-color: var(--purple); color: var(--purple); }

/* --- Badges --- */
.badge { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.03em; }
.badge-published { background: #e8f5e9; color: #2e7d32; }
.badge-thesis { background: #e3f2fd; color: #1565c0; }
.badge-iec { background: #fff3e0; color: #e65100; }
.badge-free { background: #f3e5f5; color: #6a1b9a; }
.badge-copyright { background: #fce4ec; color: #880e4f; }
.badge-unknown { background: var(--cream-dark); color: var(--ink-muted); }

/* --- Table --- */
.scales-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.scales-table th { text-align: left; padding: 0.75rem 1rem; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); border-bottom: 2px solid var(--border); background: var(--cream-dark); }
.scales-table td { padding: 0.9rem 1rem; border-bottom: 1px solid var(--border); color: var(--ink-light); vertical-align: top; }
.scales-table tr:hover td { background: var(--cream-dark); }
.scales-table td:first-child { font-weight: 500; color: var(--ink); }

/* --- Submit Note --- */
.submit-note { background: var(--purple-pale); border: 1px solid #d4c4e8; border-radius: 6px; padding: 1.25rem 1.5rem; margin-top: 2rem; font-size: 0.85rem; color: var(--ink-light); line-height: 1.7; }

/* --- Footer --- */
footer { border-top: 1px solid var(--border); padding: 2rem; text-align: center; font-size: 0.8rem; color: var(--ink-muted); background: var(--cream-dark); }
footer a { color: var(--purple); text-decoration: none; }

/* --- Lang Toggle --- */
.lang-toggle { display: flex; align-items: center; gap: 0.5rem; background: var(--cream-dark); border: 1px solid var(--border); border-radius: 30px; padding: 0.25rem; }
.lang-btn { padding: 0.3rem 0.85rem; border-radius: 20px; font-size: 0.78rem; font-weight: 500; cursor: pointer; border: none; background: transparent; color: var(--ink-muted); transition: all 0.2s; font-family: 'DM Sans', sans-serif; }
.lang-btn.active { background: var(--purple); color: white; }
body.gu [lang-en] { display: none; }
body.en [lang-gu] { display: none; }

/* --- Alert Box (Get Help page) --- */
.alert-box { background: #fff8e1; border: 1px solid #ffe082; border-left: 3px solid #f9a825; border-radius: 4px; padding: 1rem 1.25rem; font-size: 0.85rem; color: var(--ink-light); margin-bottom: 2rem; line-height: 1.7; }

/* --- Help Cards (Get Help page) --- */
.help-section-title { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 600; color: var(--ink); margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); }
.help-card { background: var(--white); border: 1px solid var(--border); border-radius: 6px; padding: 1.5rem; margin-bottom: 1rem; }
.help-card h4 { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; font-weight: 600; color: var(--ink); margin-bottom: 0.4rem; }
.help-card .help-meta { font-size: 0.8rem; color: var(--ink-muted); margin-bottom: 0.6rem; }
.help-card p { font-size: 0.85rem; color: var(--ink-light); line-height: 1.7; }
.help-card .help-number { display: inline-block; font-size: 1.1rem; font-weight: 500; color: var(--purple); margin-top: 0.5rem; }
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* --- Maintainer Box (index page) --- */
.maintainer-box { background: var(--purple-pale); border: 1px solid #d4c4e8; border-radius: 6px; padding: 1.75rem; margin-bottom: 2rem; display: flex; align-items: flex-start; gap: 1.5rem; }
.maintainer-avatar { width: 52px; height: 52px; background: var(--purple); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 600; flex-shrink: 0; }
.maintainer-info h4 { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; font-weight: 600; margin-bottom: 0.25rem; }
.maintainer-info p { font-size: 0.825rem; color: var(--ink-light); margin-bottom: 0.25rem; }
.maintainer-info a { font-size: 0.825rem; color: var(--purple); text-decoration: none; }

/* --- Disclaimer Box (index page) --- */
.disclaimer-box { background: var(--cream-dark); border: 1px solid var(--border); border-left: 3px solid var(--purple); border-radius: 4px; padding: 1.75rem; margin-bottom: 2rem; }
.disclaimer-box h3 { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--purple); margin-bottom: 1rem; }
.disclaimer-box p { font-size: 0.825rem; color: var(--ink-light); line-height: 1.75; margin-bottom: 0.75rem; }
.disclaimer-box p:last-child { margin-bottom: 0; }

/* --- Hero (index page) --- */
.hero { padding: 5rem 2rem 3rem; border-bottom: 1px solid var(--border); margin-bottom: 3rem; }
.hero-tag { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--purple); margin-bottom: 1rem; display: block; }
.hero h1 { font-family: 'Cormorant Garamond', serif; font-size: 3.2rem; font-weight: 300; line-height: 1.15; letter-spacing: -0.03em; color: var(--ink); margin-bottom: 1.5rem; max-width: 680px; }
.hero h1 em { font-style: italic; color: var(--purple); }
.hero p { font-size: 1rem; color: var(--ink-light); max-width: 580px; line-height: 1.8; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* --- About Grid (index page) --- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 3rem; }
.about-card { background: var(--white); border: 1px solid var(--border); border-radius: 6px; padding: 1.75rem; }
.about-card h3 { font-family: 'Cormorant Garamond', serif; font-size: 1.2rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--ink); }
.about-card p { font-size: 0.875rem; color: var(--ink-light); line-height: 1.7; }

/* --- Table Controls (scales page) --- */
.table-controls { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; align-items: center; }
.search-input { flex: 1; min-width: 200px; padding: 0.6rem 1rem; border: 1px solid var(--border); border-radius: 4px; background: var(--white); font-family: 'DM Sans', sans-serif; font-size: 0.875rem; color: var(--ink); outline: none; transition: border-color 0.2s; }
.search-input:focus { border-color: var(--purple); }
.filter-select { padding: 0.6rem 1rem; border: 1px solid var(--border); border-radius: 4px; background: var(--white); font-family: 'DM Sans', sans-serif; font-size: 0.875rem; color: var(--ink); outline: none; cursor: pointer; }

/* ============================================================
   Mobile — single breakpoint for everything
   ============================================================ */
@media (max-width: 768px) {

  /* Hamburger appears */
  .hamburger { display: flex; }

  /* Nav becomes dropdown */
  #main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem 1.5rem;
    gap: 0.25rem;
    z-index: 99;
  }
  #main-nav.open { display: flex; }
  #main-nav a {
    font-size: 0.9rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--ink-light);
    text-decoration: none;
    font-weight: 400;
    letter-spacing: 0.03em;
  }
  #main-nav a:last-child { border-bottom: none; }
  #main-nav .nav-submit {
    margin-top: 0.5rem;
    background: var(--purple);
    color: white !important;
    padding: 0.6rem 1rem;
    border-radius: 4px;
    text-align: center;
    border-bottom: none;
  }

  /* Page layout */
  .about-grid { grid-template-columns: 1fr; }
  .help-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.2rem; }
}