/* KryptoKraken Sitewide Theme CSS */
/* Include this in all pages OR copy the :root variables inline */

/* ===== DARK THEME (Default) ===== */
:root {
    --primary-dark: #0d1117;
    --secondary-dark: #161b22;
    --accent-gold: #f0b90b;
    --accent-gold-hover: #d4a50a;
    --text-light: #f0f6fc;
    --text-muted: #8b949e;
    --border-color: #30363d;
    --card-bg: #21262d;

    /* Semantic colors (change with theme) */
    --bg-primary: var(--primary-dark);
    --bg-secondary: var(--secondary-dark);
    --bg-card: var(--card-bg);
    --text-primary: var(--text-light);
    --text-secondary: var(--text-muted);
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-card: #ffffff;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --border-color: #d0d7de;
    --card-bg: #ffffff;
    --primary-dark: #ffffff;
    --secondary-dark: #f6f8fa;
    --text-light: #1f2328;
    --text-muted: #656d76;
}

/* ===== THEME TOGGLE BUTTON ===== */
.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.theme-toggle .fa-sun { display: none; }
.theme-toggle .fa-moon { display: block; }

[data-theme="light"] .theme-toggle .fa-sun { display: block; }
[data-theme="light"] .theme-toggle .fa-moon { display: none; }

/* ===== BASE RESET ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color 0.3s, color 0.3s;
}

a { color: var(--accent-gold); text-decoration: none; }
a:hover { color: var(--accent-gold-hover); }

/* ===== NAVBAR ===== */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo { display: flex; align-items: center; }
.logo img { height: 36px; width: auto; }

.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { color: var(--text-secondary); font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text-primary); }

.nav-right { display: flex; align-items: center; gap: 1rem; }

.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; }
.hamburger span { width: 25px; height: 3px; background: var(--text-primary); border-radius: 2px; transition: background 0.2s; }

.mobile-menu {
    display: none;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
}
.mobile-menu.active { display: block; }
.mobile-menu ul { list-style: none; }
.mobile-menu li { padding: 0.75rem 0; border-bottom: 1px solid var(--border-color); }
.mobile-menu a { color: var(--text-secondary); display: flex; align-items: center; gap: 0.75rem; }

/* ===== BUTTONS ===== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary { background: var(--accent-gold); color: #000; }
.btn-primary:hover { background: var(--accent-gold-hover); color: #000; }

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover { border-color: var(--accent-gold); color: var(--accent-gold); }

.btn-amazon { background: #ff9900; color: #000; }
.btn-amazon:hover { background: #e68a00; color: #000; }

.btn-ledger { background: #000; color: #fff; border: 1px solid #333; }
.btn-ledger:hover { background: #1a1a1a; }

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-gold);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .theme-toggle { order: -1; }
}