/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* =====================
   THEMES
===================== */
body.light {
  --bg: #f4f4f4;
  --nav: #ffffff;
  --pill: #d9d9d9;
  --pill-hover: #eeeeee;
  --text: #111;
  --shadow: rgba(0, 0, 0, 0.25);
}

body.dark {
  --bg: #0f0f0f;
  --nav: #1a1a1a;
  --pill: #2a2a2a;
  --pill-hover: #3a3a3a;
  --text: #f5f5f5;
  --shadow: rgba(0, 0, 0, 0.7);
}

body.discord {
  --bg: #313338;
  --nav: #1e1f22;
  --pill: #5865f2;
  --pill-hover: #4752c4;
  --text: #ffffff;
  --shadow: rgba(88, 101, 242, 0.7);
}

/* =====================
   BASE
===================== */
body {
  background: var(--bg);
  transition: background 0.4s ease;
}

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;

  margin: 16px;
  padding: 14px 32px;

  background: var(--nav);
  border-radius: 18px;

  box-shadow:
    0 14px 30px var(--shadow),
    0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

/* =====================
   LOGO
===================== */
.navbar-brand {
  width: 48px;
  height: 48px;
}

.logo-swap {
  position: relative;
  width: 48px;
  height: 48px;
}

.logo-swap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 14px;
  object-fit: cover;
  filter: grayscale(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.logo-swap img:last-child {
  opacity: 0;
  transform: scale(0.95);
}

.navbar-brand:hover img:first-child {
  opacity: 0;
  transform: scale(1.05);
}

.navbar-brand:hover img:last-child {
  opacity: 1;
  transform: scale(1);
}

/* =====================
   NAV
===================== */
.nav-links {
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav-links a,
.theme-btn {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;

  padding: 10px 18px;
  border-radius: 999px;

  background: var(--pill);
  box-shadow:
    0 6px 14px var(--shadow),
    0 1px 0 rgba(255, 255, 255, 0.15) inset;

  transition: all 0.2s ease;
}

.nav-links a:hover,
.theme-btn:hover {
  background: var(--pill-hover);
  transform: translateY(-2px);
}

.theme-btn {
  border: none;
  cursor: pointer;
}

/* =====================
   MODAL
===================== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--nav);
  color: var(--text);
  padding: 32px;
  border-radius: 22px;
  text-align: center;

  width: min(90%, 360px);

  box-shadow:
    0 20px 50px var(--shadow);

  transform: scale(0.9);
  transition: transform 0.35s ease;
}

.modal.active .modal-box {
  transform: scale(1);
}

.modal-box h2 {
  margin-bottom: 10px;
}

.modal-box p {
  opacity: 0.8;
  margin-bottom: 20px;
}

.modal-box button {
  border: none;
  cursor: pointer;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;

  background: var(--pill);
  color: var(--text);
}

/* ===== LOGO FIX (FOR CURRENT HTML) ===== */

.navbar-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 48px;
  height: 48px;

  position: relative;
  z-index: 5;
}

.logo-swap {
  position: relative;
  width: 48px;
  height: 48px;
}

/* Make sure images render & don't block clicks */
.logo-swap img {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

/* =====================
   LOGO COLOR REVERSE IN LIGHT MODE
===================== */

/* Default (dark & discord) */
.logo-swap img {
  filter: none;
}

/* Light mode → invert logo colors */
body.light .logo-swap img {
  filter: invert(1);
}

/* =====================
   LOGO FILTER ORDER
===================== */

/* Default (dark & discord) */
.logo-swap img {
  filter: grayscale(100%);
  transition: filter 0.25s ease;
}

/* Light mode: grayscale → invert */
body.light .logo-swap img {
  filter: grayscale(100%) invert(1);
}

.logo-swap img {
  transition: filter 0.35s ease, transform 0.25s ease, opacity 0.25s ease;
}

/* =====================
   MOBILE RESPONSIVE FIX
===================== */
@media (max-width: 768px) {

  .topnav {
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 16px;
  }

  /* Logo smaller on mobile */
  .logo-swap {
    width: 72px;
    height: 72px;
  }

  .navbar-brand {
    width: 72px;
    height: 72px;
  }

  /* Nav links stack nicely */
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  .nav-links a,
  .theme-btn {
    font-size: 13px;
    padding: 8px 14px;
  }

  /* Modal scales better */
  .modal-box {
    width: 90%;
    max-width: 340px;
  }
}

/* =====================
   IMAGE HANDLING IN LIGHT MODE
===================== */
/* We swap the hero image via JS instead of applying a blanket invert to all images.
   This prevents unintended double-inversion on the light variant. */

/* Top / hero image */
.top-image,
#portfolioImage {
  width: 100%;
  max-height: calc(100vh - 140px);
  object-fit: contain;
  display: block;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.top-image.show,
#portfolioImage.show {
  opacity: 1;
}


@media (max-width: 600px) {
  #portfolioImage {
    max-height: 60vh;
  }
}