/*
Theme Name: Yêu Động Vật
Theme URI: https://yeudongvat.vn
Author: YeuDongVat Team
Author URI: https://yeudongvat.vn
Description: Custom WordPress theme cho website thú cưng "Yêu Động Vật" - The Organic Sanctuary. Giao diện editorial ấm áp, tối ưu SEO và hiệu năng cao.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: yeu-dong-vat
Tags: pet, adoption, editorial, custom-colors, custom-logo, featured-images, responsive-layout
*/

/* =============================================
   CSS CUSTOM PROPERTIES - Design System Tokens
   ============================================= */
:root {
    /* Color Palette - Organic Sanctuary */
    --color-primary: #8f4e00;
    --color-primary-container: #ff9f43;
    --color-primary-fixed: #ffdcc2;
    --color-primary-fixed-dim: #ffb77a;
    --color-on-primary: #ffffff;
    --color-on-primary-fixed: #2e1500;
    --color-on-primary-fixed-variant: #6d3a00;
    --color-on-primary-container: #6d3a00;
    --color-inverse-primary: #ffb77a;

    --color-secondary: #75584d;
    --color-secondary-container: #fed7ca;
    --color-secondary-fixed: #ffdbce;
    --color-secondary-fixed-dim: #e4beb2;
    --color-on-secondary: #ffffff;
    --color-on-secondary-fixed: #2b160f;
    --color-on-secondary-fixed-variant: #5b4137;
    --color-on-secondary-container: #795c51;

    --color-tertiary: #7c5716;
    --color-tertiary-container: #deae65;
    --color-tertiary-fixed: #ffddb0;
    --color-tertiary-fixed-dim: #f0be74;
    --color-on-tertiary: #ffffff;
    --color-on-tertiary-fixed: #281800;
    --color-on-tertiary-fixed-variant: #614000;
    --color-on-tertiary-container: #614100;

    --color-surface: #fbf9f8;
    --color-surface-dim: #dbd9d9;
    --color-surface-bright: #fbf9f8;
    --color-surface-tint: #8f4e00;
    --color-surface-variant: #e4e2e2;
    --color-surface-container-lowest: #ffffff;
    --color-surface-container-low: #f5f3f3;
    --color-surface-container: #f0eded;
    --color-surface-container-high: #eae8e7;
    --color-surface-container-highest: #e4e2e2;
    --color-inverse-surface: #303030;
    --color-inverse-on-surface: #f2f0f0;

    --color-background: #fbf9f8;
    --color-on-background: #1b1c1c;
    --color-on-surface: #1b1c1c;
    --color-on-surface-variant: #544437;

    --color-outline: #877365;
    --color-outline-variant: #dac2b1;

    --color-error: #ba1a1a;
    --color-error-container: #ffdad6;
    --color-on-error: #ffffff;
    --color-on-error-container: #93000a;

    /* Typography */
    --font-headline: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Be Vietnam Pro', sans-serif;

    /* Border Radius Scale */
    --radius-sm: 0.5rem;
    --radius: 1rem;
    --radius-md: 1.5rem;
    --radius-lg: 2rem;
    --radius-xl: 3rem;
    --radius-full: 9999px;

    /* Spacing */
    --max-width: 1280px;
    --nav-height: 80px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(27,28,28,0.06);
    --shadow: 0 4px 16px rgba(27,28,28,0.08);
    --shadow-md: 0 8px 32px rgba(27,28,28,0.1);
    --shadow-lg: 0 16px 48px rgba(27,28,28,0.12);
    --shadow-nav: 0 40px 40px -15px rgba(27,28,28,0.06);
    --shadow-primary: 0 8px 32px rgba(143,78,0,0.2);
}

/* =============================================
   RESET & BASE STYLES
   ============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-background);
    color: var(--color-on-surface);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headline);
    line-height: 1.2;
    color: var(--color-on-background);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-primary-container);
}

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: var(--font-body);
}

input, textarea, select {
    font-family: var(--font-body);
}

/* Selection */
::selection {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
}