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

:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ease-elastic: cubic-bezier(0.4, 0, 0.2, 1);

  /* DARK THEME (Obsidian with subtle violet glow) */
  --bg-color: #050505;
  --fg: #ffffff;
  --fg-secondary: rgba(255, 255, 255, 0.6);
  --fg-muted: rgba(255, 255, 255, 0.4);

  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --card-hover-bg: rgba(255, 255, 255, 0.08);
  --card-hover-border: rgba(255, 255, 255, 0.15);

  --accent-btn-bg: rgba(255, 255, 255, 0.12);
  --accent-btn-hover: rgba(255, 255, 255, 0.2);

  --error: #ff453a;
  --success: #32d74b;

  --glow-1: rgba(140, 50, 255, 0.15);
  --glow-2: rgba(50, 140, 255, 0.15);
}

[data-theme='light'] {
  /* LIGHT THEME (Apple Pearl) */
  --bg-color: #f5f5f7;
  --fg: #1d1d1f;
  --fg-secondary: rgba(29, 29, 31, 0.65);
  --fg-muted: rgba(29, 29, 31, 0.45);

  --card-bg: rgba(255, 255, 255, 0.6);
  --card-border: rgba(0, 0, 0, 0.05);
  --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
  --card-hover-bg: rgba(255, 255, 255, 0.9);
  --card-hover-border: rgba(0, 0, 0, 0.1);

  --accent-btn-bg: rgba(0, 0, 0, 0.06);
  --accent-btn-hover: rgba(0, 0, 0, 0.12);

  --error: #ff3b30;
  --success: #34c759;

  --glow-1: rgba(140, 50, 255, 0.2);
  --glow-2: rgba(50, 140, 255, 0.2);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--fg);
  background-color: var(--bg-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 300ms ease, color 300ms ease;
  position: relative;
}

/* Premium Ambient Glow Orbs */
body::before, body::after {
  content: '';
  position: fixed;
  width: 80vw;
  height: 80vw;
  border-radius: 50%;
  filter: blur(180px);
  -webkit-filter: blur(180px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.85;
  transition: background 300ms ease;
}

body::before {
  top: -30vw;
  left: -20vw;
  background: var(--glow-1);
}

body::after {
  bottom: -30vw;
  right: -20vw;
  background: var(--glow-2);
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font); }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-muted); }

/* Premium Input Styles */
input[type="text"],
input[type="password"],
input[type="url"],
input[type="email"] {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--fg);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 500;
  outline: none;
  transition: all 250ms ease;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

input:focus {
  border-color: var(--fg-muted);
  background: var(--card-hover-bg);
  box-shadow: 0 0 0 3px rgba(140, 50, 255, 0.15), inset 0 2px 4px rgba(0,0,0,0.02);
}

input::placeholder {
  color: var(--fg-muted);
  font-weight: 400;
}