:root {
    --green-900: #0f4d26;
    --green-800: #14532d;
    --green-700: #166534;
    --green-600: #1b7a3e;
    --red: #d92027;
    --red-dark: #b3161c;

    --bg: #ffffff;
    --sheet: #ffffff;
    --soft: #f6f7f6;
    --card: #ffffff;
    --text: #22262b;
    --muted: #6b7280;
    --border: #e3e6e4;
    --ph: #d6d7d6;
    --ph-icon: #b9bbb9;
    --shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    background: #ffffff;
    color-scheme: only light;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #ffffff;
    color: var(--text);
    font-family: 'Be Vietnam Pro', system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.55;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

.nhattin-wrap {
    max-width: 1180px;
    margin: 0 auto;
}

/* Base sections */
.nhattin-sec-title {
    text-align: center;
    color: var(--green-800);
    font-size: 21px;
    font-weight: 800;
    text-transform: uppercase;
    margin: 0;
}

.nhattin-sec-sub {
    text-align: center;
    color: var(--muted);
    font-size: 12.5px;
    margin: 6px 0 0;
}

/* Post Entry Content Styling */
.entry-content {
    color: #334155;
    font-size: 15px;
    line-height: 1.8;
}

.entry-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--green-800);
    margin: 32px 0 16px;
    line-height: 1.4;
    border-left: 4px solid var(--green-600);
    padding-left: 12px;
}

.entry-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin: 24px 0 12px;
    line-height: 1.45;
}

.entry-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--green-700);
    margin: 20px 0 10px;
    line-height: 1.45;
}

.entry-content h5 {
    font-size: 14.5px;
    font-weight: 600;
    color: #475569;
    margin: 16px 0 8px;
    line-height: 1.5;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.entry-content p {
    margin: 0 0 16px;
    line-height: 1.8;
}

.entry-content strong {
    font-weight: 700;
    color: #0f172a;
}

.entry-content ul,
.entry-content ol {
    margin: 0 0 20px;
    padding-left: 26px;
}

.entry-content li {
    margin-bottom: 8px;
    line-height: 1.75;
}

.entry-content a {
    color: var(--green-700);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
    transition: color .2s ease, text-decoration-color .2s ease;
}

.entry-content a:hover {
    color: var(--red);
    text-decoration-color: var(--red);
}

.entry-content figure {
    margin: 28px 0;
}

.entry-content figure img {
    border-radius: 8px;
    width: 100%;
    height: auto;
    box-shadow: var(--shadow);
}

.entry-content figcaption {
    text-align: center;
    font-size: 13px;
    color: var(--muted);
    margin-top: 10px;
    font-style: italic;
}