/**
 * brand.css — SINGLE SOURCE OF TRUTH
 * Wspólne zmienne CSS dla WordPress + phpBB
 * Importuj ten plik jako PIERWSZY w obu motywach.
 *
 * Aby zmienić wygląd całego portalu — edytuj tylko ten plik.
 * Customizer WP nadpisuje te wartości przez inline <style> w <head>.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Merriweather:ital,wght@0,300;0,400;0,700;1,300;1,400&display=swap');

:root {
  /* ================================================================
     KOLORY — zmień tutaj, efekt na całej stronie (WP + phpBB)
     ================================================================ */
  --color-primary:        #6d28d9;   /* Główny akcent — przyciski, linki, nav */
  --color-primary-dark:   #5b21b6;   /* Hover / aktywny stan */
  --color-primary-light:  #ede9fe;   /* Tła sekcji, odznaki */
  --color-accent:         #c9a96e;   /* Wyróżnienia, CTA secondary — beż */
  --color-accent-dark:    #b8935a;
  --color-success:        #10b981;
  --color-warning:        #f59e0b;
  --color-error:          #ef4444;

  --color-text:           #1f2937;   /* Główny kolor tekstu */
  --color-text-muted:     #6b7280;   /* Pomocniczy, metadane */
  --color-text-inverse:   #ffffff;   /* Tekst na ciemnym tle */

  --color-bg:             #faf9f7;   /* Tło główne — ciepła biel */
  --color-bg-secondary:   #f9fafb;   /* Tło sekcji, karty */
  --color-bg-tertiary:    #f3f4f6;   /* Głębsze tło, sidebar */

  --color-border:         #e5e7eb;   /* Obramowania */
  --color-border-dark:    #d1d5db;

  --color-nav-bg:         var(--color-primary);
  --color-nav-text:       #ffffff;
  --color-nav-hover:      var(--color-primary-dark);

  --color-footer-bg:      #111827;
  --color-footer-text:    #d1d5db;
  --color-footer-heading: #ffffff;
  --color-footer-link:    #9ca3af;
  --color-footer-border:  #374151;

  /* ================================================================
     CZCIONKI — zmień tutaj
     ================================================================ */
  --font-primary:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Merriweather', Georgia, 'Times New Roman', serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* ================================================================
     TYPOGRAFIA
     ================================================================ */
  --font-size-base:   16px;
  --font-size-sm:     0.875rem;   /* 14px */
  --font-size-lg:     1.125rem;   /* 18px */
  --font-size-xl:     1.25rem;    /* 20px */
  --font-size-2xl:    1.5rem;     /* 24px */
  --font-size-3xl:    1.875rem;   /* 30px */
  --font-size-4xl:    2.25rem;    /* 36px */
  --font-size-5xl:    3rem;       /* 48px */

  --font-weight-light:    300;
  --font-weight-normal:   400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;

  --line-height-base:  1.7;
  --line-height-tight: 1.3;
  --line-height-loose: 2;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-wide:   0.025em;

  /* ================================================================
     LAYOUT
     ================================================================ */
  --container-max:    1200px;
  --container-wide:   1440px;
  --container-narrow:  720px;

  --spacing-xs:   0.25rem;   /*  4px */
  --spacing-sm:   0.5rem;    /*  8px */
  --spacing-md:   1rem;      /* 16px */
  --spacing-lg:   1.5rem;    /* 24px */
  --spacing-xl:   2rem;      /* 32px */
  --spacing-2xl:  3rem;      /* 48px */
  --spacing-3xl:  4rem;      /* 64px */
  --spacing-4xl:  6rem;      /* 96px */

  /* ================================================================
     KOMPONENTY
     ================================================================ */
  --border-radius:    8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;

  --shadow-sm:  0 1px 2px 0 rgba(0,0,0,.05);
  --shadow:     0 1px 3px 0 rgba(0,0,0,.1), 0 1px 2px -1px rgba(0,0,0,.1);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);

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

  --nav-height:        64px;
  --nav-height-mobile: 56px;
}

/* ================================================================
   RESET i BASE STYLES (współdzielone)
   ================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ================================================================
   UTILITY CLASSES (współdzielone WP + phpBB)
   ================================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--spacing-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.625rem 1.25rem;
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.badge {
  display: inline-block;
  padding: 0.2em 0.7em;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

/* ================================================================
   NAWIGACJA (współdzielona)
   ================================================================ */
.site-nav {
  background: var(--color-nav-bg);
  height: var(--nav-height);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--color-nav-text);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
}

.site-nav__logo img {
  height: 36px;
  width: auto;
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__menu a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: 0.4rem 0.75rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.site-nav__menu a:hover,
.site-nav__menu a.active {
  color: var(--color-nav-text);
  background: rgba(255,255,255,.15);
}

.site-nav__forum-link {
  background: var(--color-accent) !important;
  color: #000 !important;
  border-radius: var(--border-radius) !important;
  font-weight: var(--font-weight-semibold) !important;
}
.site-nav__forum-link:hover {
  background: var(--color-accent-dark) !important;
}

/* ================================================================
   FOOTER (współdzielony)
   ================================================================ */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-xl);
  margin-top: auto;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--color-footer-border);
}

.site-footer__brand .logo-text {
  color: var(--color-footer-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.site-footer__brand p {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-loose);
  color: var(--color-footer-link);
}

.site-footer__col h4 {
  color: var(--color-footer-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-lg);
}

.site-footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.site-footer__col a {
  color: var(--color-footer-link);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}
.site-footer__col a:hover {
  color: var(--color-footer-heading);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: var(--color-footer-link);
}

/* ================================================================
   RESPONSYWNOŚĆ (mobile-first breakpoints)
   ================================================================ */
@media (max-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: var(--nav-height-mobile);
  }

  .site-nav__menu {
    display: none;
  }

  .site-nav__menu.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height-mobile);
    left: 0;
    right: 0;
    background: var(--color-nav-hover);
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
}
