:root {
  --primary: #818cf8;
  --primary-hover: #6366f1;
  --bg-main: #0f172a;
  --bg-card: #1e293b;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --btn: #1e3a8a;
  --btn-hover: #2a62bd;
  --border-color: #3a4a61;
  --input-bg: #1e293b;
  --shadow-color: rgba(0, 0, 0, 0.3);
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  line-height: 1.5;
}

#mdi-invert {
  cursor: pointer;
}

.headding-padding {
  color: var(--primary);
  padding-left: 1vw;
  padding-right: 1vw;
}

.preview-text-padding {
  color: var(--primary);
  padding-left: 0.25vw;
  padding-right: 0.25vw;
}

.card {
  background-color: var(--bg-card);
  border: 0.1vw solid var(--border-color);
  box-shadow: 0 0.4vw 0.6vw -0.1vw var(--shadow-color), 0 0.2vw 0.4vw -0.2vw var(--shadow-color);
  backdrop-filter: blur(1vw);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 1vw 1.5vw -0.3vw var(--shadow-color), 0 0.4vw 0.6vw -0.4vw var(--shadow-color);
}

input {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border: 0.08vw solid var(--border-color);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2vw rgba(99, 102, 241, 0.2);
}

input:hover {
  border-color: var(--primary);
}

button {
  background: linear-gradient(135deg, var(--btn), var(--btn-hover));
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 0.2vw 0.4vw rgba(0, 0, 0, 0.15);
}

button:hover {
  background-color: var(--btn-hover);
  transform: translateY(-0.1vw);
  box-shadow: 0 0.4vw 0.6vw rgba(0, 0, 0, 0.2);
}

button:active {
  transform: translateY(0);
}

svg {
  fill: var(--text-primary);
  transition: fill 0.3s ease;
}

.error {
  background-color: rgba(239, 68, 68, 0.1);
  border-left: 0.4vw solid #ef4444;
  padding: 0.75vw;
  border-radius: 0.375vw;
  animation: slideIn 0.3s ease;
}

.preview-box {
  border: 0.2vw solid var(--border-color);
  border-radius: 0.5vw;
  transition: border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

#preview,
#preview-input {
  margin-left: 0.5vw;
  width: calc(100% - 1vw);
  height: 5rem;
  border-radius: 1rem;
}

.preview-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: 2vw 2vw;
  background-position: 0 0, 0 1vw, 1vw -1vw, -1vw 0;
  pointer-events: none;
  opacity: 1;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-1vh);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.preview-section {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

label {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
}

::-webkit-scrollbar {
  width: 0.8vw;
  height: 0.8vw;
}

::-webkit-scrollbar-track {
  background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 0.4vw;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-hover);
}

::selection {
  background-color: var(--primary);
  color: white;
}

#notifications {
  z-index: 9999;
  min-height: 25vh;
  width: 40vw;
  pointer-events: none;
}

#notifications > * {
  pointer-events: all;
}

.noselect {
  user-select: none !important;
  -moz-user-select: none !important;
  -webkit-user-select: none !important;
}

footer {
  background-color: var(--bg-main);
  color: var(--text-secondary);
  border-radius: 1.2vw;
  width: max-content;
  padding: 0.8vw 1.2vw;
  font-size: 0.875rem;
  transition: box-shadow 0.2s ease;
  box-shadow: 0 0.4vw 0.6vw -0.1vw var(--bg-main), 0 0.2vw 0.4vw -0.2vw var(--bg-main);
}

footer:hover {
  box-shadow: 0 1vw 1.5vw -0.3vw var(--bg-main), 0 0.4vw 0.6vw -0.4vw var(--bg-main);
}

@media screen and (max-width: 600px) {
  .headding-padding,
  .source {
    display: none !important;
  }
}

@media screen and (max-width: 400px) {
  #mdi-invert {
    position: absolute;
    top: 4px;
    right: 50%;
    transform: translateX(50%);
  }
  #main {
    padding-top: 64px;
  }
}