/**
 * WrestlerFinder Design System
 * File: /wp-content/themes/wrestlerfinder/assets/css/design-system.css
 *
 * Dark mode default. Light mode via [data-theme="light"] on <html>.
 * Toggle persisted in localStorage key 'wf-theme'.
 *
 * Brand: Teal #00D4D4 on dark navy.
 * Fonts: Barlow Condensed (headings) + DM Sans (body) via Google Fonts.
 */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&display=swap');

/* =============================================================================
   Tokens — Dark Mode (default)
============================================================================= */
:root {
    /* Brand */
    --color-teal:           #00D4D4;
    --color-teal-hover:     #00EEEE;
    --color-teal-dim:       rgba(0, 212, 212, 0.12);
    --color-teal-glow:      rgba(0, 212, 212, 0.22);
    --color-teal-border:    rgba(0, 212, 212, 0.30);
    --color-gold:           #E3B341;
    --color-danger:         #F85149;

    /* Surfaces */
    --color-bg:             #0D1117;
    --color-surface:        #161C2A;
    --color-surface-2:      #1E2640;
    --color-surface-3:      #252F4A;
    --color-border:         #252F4A;
    --color-border-subtle:  #1C2438;

    /* Text */
    --color-text:           #E8EDF5;
    --color-text-muted:     #8892A4;
    --color-text-subtle:    #5A6478;

    /* Semantic */
    --color-success:        #10D48C;
    --color-warning:        #F5A623;
    --color-error:          #FF4D6A;
    --color-info:           #4DA6FF;

    /* Component aliases — used throughout profile.css */
    --color-primary:        var(--color-teal);
    --color-primary-dark:   var(--color-teal-hover);
    --color-accent:         var(--color-warning);

    --color-white:          #E8EDF5;
    --color-gray-50:        var(--color-surface);
    --color-gray-100:       var(--color-surface-2);
    --color-gray-200:       var(--color-border);
    --color-gray-300:       #374166;
    --color-gray-400:       var(--color-text-subtle);
    --color-gray-600:       var(--color-text-muted);
    --color-gray-700:       #A0AABB;
    --color-gray-800:       #C8D0DE;
    --color-gray-900:       var(--color-text);

    /* Typography */
    --font-heading:         'Barlow Condensed', sans-serif;
    --font-body:            'DM Sans', sans-serif;

    /* Type Scale */
    --text-xs:              0.75rem;
    --text-sm:              0.875rem;
    --text-base:            1rem;
    --text-lg:              1.125rem;
    --text-xl:              1.25rem;
    --text-2xl:             1.5rem;
    --text-3xl:             1.875rem;
    --text-4xl:             2.25rem;
    --text-5xl:             3rem;
    --text-6xl:             3.75rem;
    --text-7xl:             4.5rem;

    /* Spacing */
    --space-1:              0.25rem;
    --space-2:              0.5rem;
    --space-3:              0.75rem;
    --space-4:              1rem;
    --space-5:              1.25rem;
    --space-6:              1.5rem;
    --space-8:              2rem;
    --space-10:             2.5rem;
    --space-12:             3rem;
    --space-16:             4rem;
    --space-20:             5rem;

    /* Radius */
    --radius-sm:            4px;
    --radius-md:            8px;
    --radius-lg:            12px;
    --radius-xl:            16px;
    --radius-2xl:           24px;
    --radius-full:          9999px;

    /* Shadows */
    --shadow-sm:            0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md:            0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg:            0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-teal:          0 0 24px rgba(0, 212, 212, 0.18);
    --shadow-card:          0 2px 8px rgba(0, 0, 0, 0.35);

    /* Transitions */
    --transition-fast:      150ms ease;
    --transition-base:      250ms ease;
    --transition-slow:      400ms ease;

    /* Layout — sticky site header height.
       Referenced by pages that need to stack their own sticky UI beneath
       the site header (e.g. profile editor's step bar). Computed from
       padding-block: var(--space-3) * 2 + 32px logo + 1px border = 57px.
       Round to 57 so editor.css doesn't need to do arithmetic. */
    --wf-site-header-height: 57px;

    /* Theme toggle icon */
    --theme-icon-sun:       '☀';
    --theme-icon-moon:      '☾';
}

/* =============================================================================
   Tokens — Light Mode override
============================================================================= */
[data-theme="light"] {
    /* Brand — darker teal for contrast on white */
    --color-teal:           #007C8A;
    --color-teal-hover:     #006070;
    --color-teal-dim:       rgba(0, 124, 138, 0.08);
    --color-teal-glow:      rgba(0, 124, 138, 0.15);
    --color-teal-border:    rgba(0, 124, 138, 0.25);

    /* Surfaces */
    --color-bg:             #F2F5F9;
    --color-surface:        #FFFFFF;
    --color-surface-2:      #EBF0F7;
    --color-surface-3:      #E2E8F2;
    --color-border:         #D4DCEA;
    --color-border-subtle:  #EAF0F8;

    /* Text */
    --color-text:           #0D1117;
    --color-text-muted:     #5A6478;
    --color-text-subtle:    #8892A4;

    /* Semantic */
    --color-success:        #0A9E6E;
    --color-warning:        #D4860E;
    --color-error:          #D93254;

    /* Component aliases */
    --color-primary:        var(--color-teal);
    --color-primary-dark:   var(--color-teal-hover);

    --color-white:          #FFFFFF;
    --color-gray-50:        #F2F5F9;
    --color-gray-100:       #EBF0F7;
    --color-gray-200:       #D4DCEA;
    --color-gray-300:       #B8C4D4;
    --color-gray-400:       #8892A4;
    --color-gray-600:       #5A6478;
    --color-gray-700:       #374166;
    --color-gray-800:       #1E2640;
    --color-gray-900:       #0D1117;

    /* Shadows — lighter in light mode */
    --shadow-sm:            0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md:            0 4px 16px rgba(0, 0, 0, 0.10);
    --shadow-lg:            0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-teal:          0 0 24px rgba(0, 124, 138, 0.12);
    --shadow-card:          0 2px 8px rgba(0, 0, 0, 0.08);
}

/* =============================================================================
   Base Reset & Body
============================================================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    transition: background-color var(--transition-slow), color var(--transition-slow);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
    max-width: 100%;
    display: block;
}

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

a:hover {
    color: var(--color-teal-hover);
}

/* Headings use Barlow Condensed throughout */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-text);
    letter-spacing: 0.01em;
}

p { line-height: 1.7; }

ul, ol { padding-left: 1.5em; }

/* =============================================================================
   Site Header
============================================================================= */
.wf-site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-slow), border-color var(--transition-slow);
}

.wf-site-header__inner {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-block: var(--space-3);
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: var(--space-4);
}

@media (min-width: 768px) {
    .wf-site-header__inner { padding-inline: var(--space-8); }
}

.wf-site-header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.wf-site-header__logo img {
    height: 32px;
    width: auto;
}

/* Light mode: tint logo so it reads on white */
[data-theme="light"] .wf-site-header__logo img {
    filter: brightness(0.3) sepia(1) hue-rotate(150deg) saturate(4);
}

.wf-site-header__logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.wf-site-nav {
    flex: 1;
    display: flex;
    justify-content: flex-start;
}

.wf-site-nav__list {
    display: flex;
    gap: var(--space-6);
    list-style: none;
}

.wf-site-nav__list a {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.wf-site-nav__list a:hover {
    color: var(--color-primary);
}

.wf-site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

/* Theme toggle button */
.wf-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0; /* Keep the circle round even when parent flex is tight */
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: var(--color-surface-2);
    cursor: pointer;
    font-size: var(--text-base);
    line-height: 1;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    color: var(--color-text);
    padding: 0;
}

.wf-theme-toggle:hover {
    background: var(--color-surface-3);
    border-color: var(--color-primary);
}

/* Mobile nav toggle */
.wf-site-header__menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.wf-site-header__menu-toggle span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 767px) {
    .wf-site-nav { display: none; }
    .wf-site-header__menu-toggle { display: flex; }
}

/* =============================================================================
   Site Footer
============================================================================= */
.wf-site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding-block: var(--space-8);
    margin-top: var(--space-16);
}

.wf-site-footer__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: var(--space-4);
}

@media (min-width: 768px) {
    .wf-site-footer__inner {
        grid-template-columns: auto 1fr auto;
        align-items: center;
        padding-inline: var(--space-8);
    }
}

.wf-site-footer__brand a {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--color-text);
}

.wf-site-footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.wf-site-footer__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    list-style: none;
    padding: 0;
    justify-content: center;
}

.wf-site-footer__list a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.wf-site-footer__list a:hover {
    color: var(--color-primary);
}

.wf-site-footer__legal {
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    text-align: right;
}

/* =============================================================================
   Container
============================================================================= */
.wf-container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: var(--space-4);
}

@media (min-width: 768px) {
    .wf-container { padding-inline: var(--space-8); }
}
