:root {
  --app-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --red-50:#FEF2F2; --red-100:#FEE2E2; --red-200:#FECACA; --red-300:#FCA5A5; --red-400:#F87171; --red-500:#EF4444; --red-600:#DC2626; --red-700:#B91C1C; --red-800:#991B1B; --red-900:#7F1D1D; --red-950:#450A0A;
  --gray-50:#FAFAFA; --gray-100:#F5F5F5; --gray-200:#E5E5E5; --gray-300:#D4D4D4; --gray-400:#A3A3A3; --gray-500:#737373; --gray-600:#525252; --gray-700:#404040; --gray-800:#262626; --gray-900:#171717; --gray-950:#0A0A0A;
  --border-1-color: color-mix(in srgb, var(--red-500) 40%, transparent);
  --border-2-color: color-mix(in srgb, var(--gray-500) 60%, transparent);
  --btn-1-bg-color: color-mix(in srgb, var(--red-500) 60%, transparent);
  --btn-1-bg-hover-color: color-mix(in srgb, var(--red-500) 70%, transparent);
  --btn-2-bg-color: color-mix(in srgb, var(--gray-700) 60%, transparent);
  --btn-2-bg-hover-color: color-mix(in srgb, var(--gray-700) 70%, transparent);
}

/* SCROLLBAR STYLING */
* {
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: var(--gray-700) transparent;
}
*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background-color: var(--gray-700);
}
*::-webkit-scrollbar-thumb:hover {
  background-color: var(--gray-600);
}
*::-webkit-scrollbar-corner {
  background: transparent;
}

body {
  margin: 0; padding: 0;
  font-size: 1rem;
  font-family: var(--app-font);
  color: var(--gray-100);
  background-color: var(--gray-950);
}

header {
  gap: 32px;
  width: 100%;
  padding: 16px 24px;
  display: flex;
  text-align: left;
  align-items: center;
  flex-direction: row;
  justify-content: space-between;
  box-shadow: 0 0 0 0.5px var(--border-2-color);
}

main {
  margin: 40px auto;
  max-width: 900px;
  padding: 0 24px;
}

img { user-select: none }

button {
  gap: 8px;
  padding: 5px 9px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  user-select: none;
  align-items: center;
  flex-direction: row;
  justify-content: center;
  font-weight: 500;
  font-family: inherit;
  color: var(--gray-100);
  border: 1px solid var(--gray-700);
  background-color: var(--btn-2-bg-color);
  transition: background-color 200ms ease;
}
button:hover { background-color: var(--btn-2-bg-hover-color) }
button:active { background-color: var(--gray-700) }

input, textarea {
  border: none;
  width: 100%;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-family: var(--app-font);
  color: var(--gray-100);
  caret-color: var(--gray-100);
  box-shadow: 0 0 0 0.5px var(--border-2-color);
  background-color: var(--gray-950);
  transition: box-shadow 200ms ease;
}

textarea {
  max-height: 9rem;
  min-height: 1.8rem;
  resize: none;
  field-sizing: content;
}

input::placeholder, textarea::placeholder { color: var(--gray-500) }
input:focus, textarea:focus {
  outline: none;
  box-shadow: 0 0 0 1.5px var(--red-500);
}

input[type="number"] { padding-right: 4px }
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  margin: 0;
  height: 26px;
  cursor: pointer;
  background-color: transparent;
  filter: invert(100%);
}
input[type="number"]::-webkit-inner-spin-button:hover,
input[type="number"]::-webkit-outer-spin-button:hover {
  background-color: var(--gray-800);
}

input[list] {
  padding-right: 24px;
  cursor: pointer;
}
input[list]::-webkit-calendar-picker-indicator {
  opacity: 0;
  width: 20px;
  height: 100%;
  cursor: pointer;
}
input[list]:hover {
  background-size: 14px 10px;
  background-repeat: no-repeat;
  background-position: right 8px top 55%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23737373' d='M3 1.5 L5.5 4.5 C5.8 4.9 6.2 4.9 6.5 4.5 L9 1.5 L8.5 1 L3.5 1 Z' stroke='%23737373' stroke-width='1' stroke-linejoin='round' stroke-linecap='round'/%3E%3C/svg%3E");
}

input[type="color"] {
  cursor: pointer;
  height: 40px;
  padding: 4px;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0 }
input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

input[type="file"] {
  cursor: pointer;
  padding: 8px;
  font-size: 0.875rem;
  color: var(--gray-300);
}
input[type="file"]::file-selector-button {
  cursor: pointer;
  padding: 5px 9px;
  margin-right: 14px;
  border-radius: 6px;
  font-weight: 500;
  font-family: inherit;
  color: var(--gray-100);
  border: 1px solid color-mix(in srgb, var(--border-2-color) 60%, transparent);
  background-color: var(--btn-2-bg-color);
  transition: background-color 200ms ease;
}
input[type="file"]::file-selector-button:hover { background-color: var(--btn-2-bg-hover-color) }


#dl-btn {
  gap: 10px;
  padding: 7px 12px;
  font-size: 1rem;
  white-space: nowrap;
  border: 1px solid color-mix(in srgb, var(--border-1-color) 60%, transparent);
  background-color: var(--btn-1-bg-color);

  img {
    width: 16px;
    height: 16px;
    filter: brightness(0) invert(1);
  }
}
#dl-btn:hover { background-color: var(--btn-1-bg-hover-color) }
#dl-btn:active { background-color: var(--btn-1-bg-color) }
#dl-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#banner-preview {
  width: 100%;
  margin: 1px;
  border-radius: 12px;
  overflow: clip;
  position: relative;
  box-shadow: 0 0 0 0.5px var(--border-2-color);
  background-color: var(--gray-900);
}

#preview-txt {
  opacity: 0.8;
  position: relative;
  user-select: none;
  pointer-events: none;
  mix-blend-mode: multiply;
  font-size: 3.5rem;
  font-weight: 900;
  font-family: "interstate", sans-serif;
  font-style: normal;
  text-shadow:
    0 -2px 5px color-mix(in srgb, var(--txt-shadow-color) 25%, transparent),
    0 -1px 0.5px color-mix(in srgb, var(--txt-shadow-color) 20%, black 14%),
    0 1px 2px color-mix(in srgb, var(--txt-shadow-color) 20%, white 80%);
}

#preview-card {
  z-index: 1;
  top: 50%;
  left: 50%;
  padding: 20px 30px;
  border-radius: 20px;
  max-width: calc(100% - 40px);
  max-height: calc(100% - 40px);
  transform: translate(-50%, -50%);
  width: max-content;
  overflow: hidden;
  position: absolute;
  text-align: center;
  user-select: none;
  pointer-events: none;
  box-shadow:
    0 2px 4px 0 color-mix(in srgb, var(--gray-950) 10%, transparent),
    0 8px 16px 0 color-mix(in srgb, var(--gray-950) 20%, transparent),
    0 16px 48px 0 color-mix(in srgb, var(--gray-950) 30%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--gray-50) 6%, transparent),
    inset 2px 4px 4px 0 color-mix(in srgb, var(--gray-50) 12%, transparent);
  backdrop-filter: blur(12px) saturate(180%);
}
/* NOISE TEXTURE OVERLAY */
#preview-card::after {
  content: '';
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.25;
  position: absolute;
  border-radius: inherit;
  pointer-events: none;
  mix-blend-mode: overlay;
  background-image: var(--noise-texture);
}

#preview-img {
  width: 100%;
  height: 100%;
  display: none;
  object-fit: cover;
}
#preview-img.loaded { display: block }

#preview-too-small-txt {
  z-index: 1;
  width: 100%;
  height: 100%;
  padding: 20px;
  font-size: 1.25rem;
  display: none;
  text-align: center;
  align-items: center;
  user-select: none;
  pointer-events: none;
  flex-direction: column;
  justify-content: center;
  color: var(--gray-500);
}

#preview-drag-hint {
  gap: 8px;
  top: 12px;
  left: 12px;
  z-index: 2;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 8px;
  display: none;
  position: absolute;
  user-select: none;
  align-items: center;
  flex-direction: row;
  pointer-events: none;
  color: var(--gray-100);
  background-color: color-mix(in srgb, var(--gray-950) 75%, transparent);
  box-shadow:
    0 2px 8px color-mix(in srgb, var(--gray-950) 40%, transparent),
    0 0 0 0.5px var(--border-2-color);
  backdrop-filter: blur(8px);
}
#preview-drag-hint.visible { display: flex }
#preview-drag-hint img {
  width: 16px;
  height: 16px;
  filter: brightness(0) invert(80%);
}


.header-title {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  font-family: "interstate", sans-serif;
  font-style: italic;
}

.input-section {
  gap: 16px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;

  .input-group {
    gap: 12px;
    display: flex;
    flex-direction: row;
    align-items: center;

    label {
      width: 20px;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;

      img {
        height: 20px;
        filter: brightness(0) invert(40%);
      }
    }
  }
}

.preview-container {
  width: 100%;
  overflow: auto;
}


@media (max-width: 340px) {
  header {
    gap: 10px;
    text-align: center;
    flex-direction: column;
    justify-content: center;
  }
}

@media (max-width: 300px) {
  #preview-too-small-txt { display: flex !important }
  #preview-drag-hint { display: none !important }
  #preview-txt { display: none !important }
  #preview-card { display: none !important }
  #preview-img { display: none !important }
}