/* DEFAULT STUFF */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap");
:root {
  --bg-1: #60286a;
  --bg-2: #2e9ad1;
  --card: rgba(255, 255, 255, 0.08);
  --accent: #6f4ce0;
  --muted: #5b4770;
  --btn-grad-start: #3b3ee6;
  --btn-grad-end: #6f7cf7;
  --glass: rgba(255, 255, 255, 0.06);
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  .log-item.positive {
    background: linear-gradient(180deg, #2fe07a 0%, #1fa75a 100%);
    color: #041018;
    box-shadow: 0 8px 20px rgba(17, 90, 44, 0.18);
  }

  .log-item.negative {
    background: linear-gradient(180deg, #ff7b7b 0%, #e64b4b 100%);
    color: #fff;
    box-shadow: 0 8px 20px rgba(140, 28, 28, 0.18);
  }

  .log-item.zero {
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
  }
  font-size: 16px;
}

body {
  background: radial-gradient(
      circle at 10% 20%,
      rgba(255, 255, 255, 0.03),
      transparent 10%
    ),
    linear-gradient(135deg, var(--bg-1) 0%, #2b2d6a 40%, var(--bg-2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: #efeaff;
  font-weight: 600;
  padding: 3.5rem;
}

/* The container */
.counter-app {
  width: 440px;
  max-width: 90%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.02)
  );
  border-radius: 20px;
  padding: 44px;
  box-shadow: 0 18px 40px rgba(16, 10, 40, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(8px);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* header */
h1 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: #f3eaff;
  opacity: 0.98;
  letter-spacing: 0.8px;
  font-weight: 800;
}

h2 {
  font-size: 5rem;
  margin: 8px 0 20px;
  color: #fff;
  text-shadow: 0 8px 28px rgba(79, 56, 160, 0.45);
  line-height: 1;
  font-weight: 900;
}
/* small description */
p {
  margin: 25px 0 26px;
  color: rgba(235, 220, 255, 0.9);
  font-size: 1.05rem;
}

/* color and animation for count depending on sign */
#count-el {
  display: block; /* keep the counter on its own line */
  width: 100%;
  margin: 6px 0 18px;
  text-align: center; /* ensure centered above the controls */
  transition: color 160ms ease, transform 140ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

#count-el.positive {
  color: #8ef3b0; /* mint/green */
  text-shadow: 0 10px 30px rgba(64, 220, 140, 0.12);
}

#count-el.negative {
  color: #ff9b9b; /* red */
  text-shadow: 0 10px 30px rgba(255, 90, 90, 0.12);
}

#count-el.zero {
  color: #fff; /* neutral */
  text-shadow: 0 8px 28px rgba(79, 56, 160, 0.18);
}

/* small pop when the number changes */
#count-el.pop {
  transform: scale(1.08);
}



/* button row */
.controls {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
}

/* common button styles */
button {
  border: none;
  cursor: pointer;
  padding: 14px 20px;
  font-weight: 800;
  color: white;
  border-radius: 14px;
  min-width: 78px;
  transition: transform 120ms ease, box-shadow 160ms ease, opacity 120ms ease;
  box-shadow: 0 12px 28px rgba(46, 35, 124, 0.26);
  user-select: none;
  font-size: 1rem;
}

/* primary button (increment) */
.btn-primary {
  background: linear-gradient(
    180deg,
    var(--btn-grad-start),
    var(--btn-grad-end)
  );
  letter-spacing: 0.8px;
  padding: 16px 24px;
  min-width: 96px;
  font-size: 1.05rem;
}

/* secondary (decrement) */
.btn-secondary {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.02)
  );
  color: #efeaff;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 10px 24px rgba(25, 20, 50, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

/* Specific styling for the plus/minus buttons by ID */
/* Plus (increment) — vibrant green, stylish gradient + subtle glow */
#increment-btn {
  background: linear-gradient(180deg, #2fe07a 0%, #1fa75a 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 12px 28px rgba(24, 120, 60, 0.22),
    0 6px 18px rgba(17, 90, 44, 0.14);
  min-width: 96px;
  padding: 16px 24px;
  border-radius: 14px;
}

#increment-btn:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 28px 48px rgba(24, 120, 60, 0.28),
    0 10px 24px rgba(17, 90, 44, 0.18);
}

#increment-btn:active {
  filter: brightness(0.94);
  transform: translateY(0);
}

/* Minus (decrement) — warm red to make it clear/dangerous */
#decrement-btn {
  background: linear-gradient(180deg, #ff7b7b 0%, #e64b4b 100%);
  color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 12px 28px rgba(140, 28, 28, 0.22),
    0 6px 18px rgba(120, 20, 20, 0.12);
  min-width: 96px;
  padding: 16px 24px;
  border-radius: 14px;
}

#decrement-btn:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 28px 48px rgba(140, 28, 28, 0.3),
    0 10px 24px rgba(120, 20, 20, 0.18);
}

#decrement-btn:active {
  filter: brightness(0.94);
  transform: translateY(0);
}

/* save / link style — made more visible */
.save-btn {
  /* energetic teal gradient for strong contrast against the purple background */
  background: linear-gradient(180deg, #00e6c3 0%, #00b388 100%);
  color: #041018; /* dark text for legibility */
  border: none;
  padding: 12px 18px;
  font-weight: 800;
  border-radius: 12px;
  font-size: 0.98rem;
  box-shadow: 0 12px 30px rgba(0, 179, 136, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: transform 120ms ease, box-shadow 160ms ease, filter 120ms ease;
}

.save-btn:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 28px 48px rgba(0, 179, 136, 0.28),
    0 10px 24px rgba(0, 120, 90, 0.14);
}

.save-btn:active {
  transform: translateY(0);
  filter: brightness(0.95);
}

/* hover & active effects */
button:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 44px rgba(46, 35, 124, 0.34);
  opacity: 0.99;
}

button:active {
  transform: translateY(0);
  outline-offset: 3px;
}