/* ===== THEME VARIABLES ===== */
:root {
  --bg-overlay: rgba(10, 31, 68, 0.85);
  --header-bg: #0a1f44;
  --accent: #c8102e;
  --accent-dark: #a00d25;
  --text-light: #e5e5e5;
  --card-bg: #0a1f44;
  --hero-overlay: rgba(0, 0, 0, 0.6);
  --input-bg: #f2f2f2;
  --input-text: #111;
  --shadow: 0 0 15px rgba(0, 0, 0, 0.6);
}

/* ===== DEFAULT ===== */
.theme-default {
  --bg-overlay: rgba(10, 31, 68, 0.85);
  --header-bg: #0a1f44;
  --accent: #c8102e;
  --accent-dark: #a00d25;
  --text-light: #e5e5e5;
  --card-bg: #0a1f44;
}

/* ===== BRANCH THEMES ===== */
.theme-army {
  --header-bg: #2d3627;
  --accent: #c2b280;
  --accent-dark: #9f8f60;
  --text-light: #f0f0e8;
  --card-bg: #3b4632;
}

.theme-navy {
  --header-bg: #0a1a38;
  --accent: #f2c14e;
  --accent-dark: #c99d32;
  --text-light: #edf3ff;
  --card-bg: #13284f;
}

.theme-airforce {
  --header-bg: #1b4868;
  --accent: #bfc9d1;
  --accent-dark: #9ca8b2;
  --text-light: #f4f8fb;
  --card-bg: #24597f;
}

.theme-marines {
  --header-bg: #4b0f0f;
  --accent: #d4af37;
  --accent-dark: #a88418;
  --text-light: #fff2f2;
  --card-bg: #651818;
}

.theme-coastguard {
  --header-bg: #002d4e;
  --accent: #d72638;
  --accent-dark: #ad1d2b;
  --text-light: #f3f7fb;
  --card-bg: #0f436d;
}

.theme-spaceforce {
  --header-bg: #24163d;
  --accent: #9b7bff;
  --accent-dark: #7859d6;
  --text-light: #f1ecff;
  --card-bg: #39235d;
}

/* ===== GLOBAL ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: url("vgg_background.png") no-repeat center center fixed;
  background-size: cover;
  margin: 0;
  color: var(--text-light);
}

/* ===== HEADER ===== */
header {
  background: var(--header-bg);
  padding: 18px 24px;
  border-bottom: 3px solid var(--accent);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  width: 55px;
}

/* ===== NAV ===== */
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

nav a {
  color: var(--text-light);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: bold;
  transition: 0.3s;
}

nav a:hover {
  background: rgba(255,255,255,0.1);
}

.logout-btn {
  background: var(--accent);
  color: white;
}

/* ===== MAIN ===== */
main {
  width: 90%;
  max-width: 1100px;
  margin: 40px auto;
  background: var(--bg-overlay);
  padding: 25px;
  border-radius: 12px;
}

/* ===== HERO ===== */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: var(--hero-overlay);
  border-radius: 12px;
}

.hero h1 {
  font-size: 40px;
}

.hero-buttons {
  margin-top: 20px;
}

/* ===== BUTTONS ===== */
.btn-primary, input[type="submit"] {
  background: var(--accent);
  color: white;
  padding: 12px 18px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-link {
  color: var(--accent);
  text-decoration: none;
}

/* ===== FORMS ===== */
input, select {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border-radius: 6px;
  border: none;
}

/* ===== DASHBOARD ===== */
.dashboard-banner {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  border: 1px solid var(--accent);
  border-radius: 10px;
}

.dashboard-badge {
  background: var(--accent);
  padding: 15px;
  border-radius: 8px;
}

/* ===== CARDS ===== */
.dashboard-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}

.feature-card {
  flex: 1 1 280px;
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--accent);
}

/* ===== GROUP BUILDER ===== */
.group-builder {
  margin-top: 30px;
  padding: 20px;
  border: 1px solid var(--accent);
  border-radius: 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

/* ===== VETERAN LINKS LIST ===== */
.link-list {
  margin-left: 20px;
}

.link-list li {
  margin-bottom: 5px;
}

/* ===== MESSAGES ===== */
.success {
  color: lightgreen;
}

.error {
  color: red;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 20px;
  background: var(--header-bg);
  margin-top: 40px;
  border-top: 3px solid var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .dashboard-grid {
    flex-direction: column;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .header-container {
    flex-direction: column;
  }
}