/* ==========================================================================
   Variables
   ==========================================================================
*/
:root {
  /* Colors */
  --color-bg: #050608; /* deep charcoal-black */
  --color-bg-alt: #101218;
  --color-bg-elevated: #151822;
  --color-surface-card: #191d28;

  --color-text: #f5f5f5; /* soft light text */
  --color-text-muted: #b3b7c4;
  --color-heading: #ffffff;

  --color-primary: #a8ff3e; /* vibrant lime green */
  --color-primary-soft: rgba(168, 255, 62, 0.12);
  --color-primary-strong: #c6ff6b;

  --color-success: #4ade80;
  --color-warning: #facc15;
  --color-danger: #f97373;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  --color-focus-outline: #a8ff3e;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --font-size-xs: 0.75rem;  /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem;   /* 16px */
  --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 */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Shadows (subtle neon / soft ambient) */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.8);
  --shadow-neon-primary: 0 0 0 1px rgba(168, 255, 62, 0.25), 0 0 18px rgba(168, 255, 62, 0.35);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 260ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
  }
}

/* ==========================================================================
   Reset / Normalize
   ==========================================================================
*/
*, *::before, *::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img,
video {
  height: auto;
}

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

button {
  border: none;
  padding: 0;
  background: none;
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

textarea {
  resize: vertical;
}

/* ==========================================================================
   Base styles
   ==========================================================================
*/
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-heading);
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.2rem, 3vw + 1rem, 3rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 2.4vw + 0.8rem, 2.25rem);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.5rem;
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.25rem;
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base), text-shadow var(--transition-base);
}

a:hover {
  color: var(--color-primary-strong);
  text-shadow: 0 0 10px rgba(168, 255, 62, 0.45);
}

a:focus-visible {
  outline: 2px solid var(--color-focus-outline);
  outline-offset: 3px;
}

::selection {
  background-color: rgba(168, 255, 62, 0.18);
  color: var(--color-text);
}

/* ==========================================================================
   Accessibility & Motion
   ==========================================================================
*/
:focus-visible {
  outline: 2px solid var(--color-focus-outline);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Utilities
   ==========================================================================
*/
/* Layout */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  max-width: 1180px;
}

@media (min-width: 1200px) {
  .container-wide {
    max-width: 1320px;
  }
}

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section--tight {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

/* Flex helpers */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-col {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-xs {
  gap: var(--space-2);
}

.gap-sm {
  gap: var(--space-3);
}

.gap-md {
  gap: var(--space-4);
}

.gap-lg {
  gap: var(--space-6);
}

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Spacing utilities (margin-top only to keep base light) */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-2); }
.mt-sm { margin-top: var(--space-3); }
.mt-md { margin-top: var(--space-4); }
.mt-lg { margin-top: var(--space-6); }
.mt-xl { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-2); }
.mb-sm { margin-bottom: var(--space-3); }
.mb-md { margin-bottom: var(--space-4); }
.mb-lg { margin-bottom: var(--space-6); }
.mb-xl { margin-bottom: var(--space-8); }

.text-center { text-align: center; }
.text-right { text-align: right; }

.text-muted { color: var(--color-text-muted); }

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Components
   ==========================================================================
*/
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #7bff00);
  color: #020204 !important;
  box-shadow: var(--shadow-neon-primary);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(168, 255, 62, 0.35), 0 0 25px rgba(168, 255, 62, 0.6);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: rgba(168, 255, 62, 0.06);
  box-shadow: 0 0 0 1px rgba(168, 255, 62, 0.25);
}

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--color-text);
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.06);
}

.btn:focus-visible {
  outline: 2px solid var(--color-focus-outline);
  outline-offset: 3px;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

/* Form elements */
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(9, 12, 18, 0.96);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-gray-500);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(168, 255, 62, 0.35);
  background-color: #090c13;
}

.input[disabled],
.textarea[disabled],
.select[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.field-help {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.field-error {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: radial-gradient(circle at top left, rgba(168, 255, 62, 0.08), transparent 55%),
              linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.9));
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background-position var(--transition-base);
  background-size: 140% 140%;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 255, 62, 0.4);
  box-shadow: var(--shadow-strong);
}

.card--soft {
  background: linear-gradient(145deg, #10131b, #050609);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Navigation (generic shell for main menu / poker pages) */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.9), rgba(5, 6, 8, 0.75));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.navbar-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  padding-bottom: 0.25rem;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link--active::after {
  width: 100%;
}

.nav-link--active {
  color: var(--color-primary);
}

/* Simple tag / pill for disclaimers like offline-only poker */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-text-muted);
  background-color: rgba(12, 17, 25, 0.9);
}

.badge-primary {
  border-color: rgba(168, 255, 62, 0.4);
  background-color: rgba(168, 255, 62, 0.1);
  color: var(--color-primary-strong);
}

/* Gallery hover shell (for Galéria page items) */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: #111318;
  border: 1px solid var(--color-border-subtle);
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0, rgba(168, 255, 62, 0.18), transparent 55%);
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 255, 62, 0.4);
  box-shadow: var(--shadow-soft);
}

.gallery-item:hover img {
  transform: scale(1.05);
  opacity: 0.92;
}

.gallery-item:hover::after {
  opacity: 1;
}

/* Poker / restaurant chips-like accent dot (generic) */
.accent-dot {
  position: relative;
  padding-left: 1.1rem;
}

.accent-dot::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: radial-gradient(circle, var(--color-primary) 0, #7bff00 60%, transparent 80%);
  box-shadow: 0 0 10px rgba(168, 255, 62, 0.7);
}

/* Footer base */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(circle at top, rgba(168, 255, 62, 0.03), transparent 55%),
              #050608;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer a {
  color: var(--color-text-muted);
}

.footer a:hover {
  color: var(--color-primary-strong);
}