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

/* body */
body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--color-bg) 0%, #0f0f1f 50%, var(--color-bg-light) 100%);
  color: var(--color-text);
  min-height: 100vh;
  direction: rtl;
  overflow-x: hidden;
  position: relative;
  transition: background 0.3s ease, color 0.3s ease;
}

/* light theme */
body.light-theme {
  background: linear-gradient(135deg, #e8edf5 0%, #dce3ec 50%, #f0f2f5 100%);
}


body::before {
  content: "";
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background-image:
    radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 4px),
    radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 3px);
  background-size: 550px 550px, 350px 350px;
  background-position: 0 0, 40px 60px;
  z-index: -1;
  animation: stars 60s linear infinite;
  pointer-events: none;
}

body.light-theme::before {
  background-image:
    radial-gradient(#888, rgba(0,0,0,.1) 2px, transparent 4px),
    radial-gradient(#aaa, rgba(0,0,0,.08) 1px, transparent 3px);
}

@keyframes stars {
  from { transform: translateY(0); }
  to { transform: translateY(-1000px); }
}


/* input */
input[type="text"]:not(.input) {
  padding: 0.8em 1.2em; border: 2px solid transparent; border-radius: var(--border-radius-lg);
  font-size: 1rem; background: rgba(30, 30, 47, 0.8); color: var(--color-text);
  transition: all var(--transition-normal); backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

body.light-theme input[type="text"]:not(.input) {
  background: rgba(255, 255, 255, 0.9);
  color: #1a1a2e;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

input[type="text"]:not(.input):focus {
  border-color: var(--color-accent); box-shadow: 0 0 15px var(--color-accent); outline: none;
}

/* logo image */
.logo-image {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

body.light-theme .logo-image {
  background: linear-gradient(90deg, #ddd 25%, #ccc 50%, #ddd 75%);
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* logo image */
.logo-image.loaded {
  animation: none;
  background: none;
}