/*
Theme Name: AntiGravity Currency Theme
Theme URI: https://example.com/currency-theme
Author: AntiGravity
Author URI: https://example.com
Description: A lightweight, SEO-focused currency exchange theme.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ag-currency
*/

:root {
    --primary-color: #0056b3;
    --secondary-color: #004494;
    --accent-color: #ffd700;
    --text-color: #333;
    --bg-color: #f4f7f6;
    --white: #ffffff;
    --border-color: #ddd;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --container-width: 1200px;
    --gap: 1.5rem;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

header {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
    text-decoration: none;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
}

/* Main Content */
.site-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-bottom: 2rem;
}

@media (min-width: 768px) {
    .site-main {
        grid-template-columns: 2fr 1fr;
    }
}

/* Currency Converter Widget */
.converter-widget {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.converter-form {
    display: grid;
    gap: 1rem;
}

@media (min-width: 600px) {
    .converter-form {
        grid-template-columns: 1fr auto 1fr auto;
        align-items: end;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

input, select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
    transition: background 0.2s;
}

.btn:hover {
    background: var(--secondary-color);
    text-decoration: none;
}

.swap-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.75rem;
}

.swap-btn:hover {
    background: #f0f0f0;
}

.result-display {
    margin-top: 1.5rem;
    font-size: 1.25rem;
    font-weight: bold;
    text-align: center;
    padding: 1rem;
    background: #e9ecef;
    border-radius: 4px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
}

/* Sidebar */
.sidebar-widget {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.sidebar-widget h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

/* Charts */
.chart-container {
    background: var(--white);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    height: 300px;
    position: relative;
    border: 1px solid var(--border-color);
}

/* Ad Placeholders */
.ad-slot {
    background: #f0f0f0;
    border: 1px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    margin: 2rem 0;
    min-height: 100px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    padding: 3rem 0;
    margin-top: 3rem;
}

footer a {
    color: #ccc;
}

footer a:hover {
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.3;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; margin-top: 2rem; }
h3 { font-size: 1.4rem; }

p { margin-bottom: 1rem; }

/* Flag Icons */
.currency-flag {
    display: inline-block;
    width: 24px;
    height: 16px;
    background-color: #ccc; /* Placeholder */
    margin-right: 8px;
    vertical-align: middle;
    background-size: cover;
}