@font-face { font-family: "MyCustomWMFont"; src: url("font.ttf") format("truetype"); font-display: swap; }

.watermark-app {
  --wm-bg: #071c14;
  --wm-panel: #0d291e;
  --wm-ink: #f7f1e4;
  --wm-muted: #a5b8ac;
  --wm-line: rgba(178, 211, 191, .18);
  --wm-gold: #f4bd55;
  --wm-mint: #78d6aa;
  min-width: 0;
  overflow: hidden;
  padding: clamp(24px, 4vw, 62px);
  color: var(--wm-ink);
  background: radial-gradient(780px 460px at 93% 0, rgba(58, 151, 109, .18), transparent 65%), radial-gradient(rgba(244, 189, 85, .055) 1px, transparent 1.5px), var(--wm-bg);
  background-size: auto, 20px 20px, auto;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.watermark-app *, .watermark-app *::before, .watermark-app *::after { box-sizing: border-box; }
.watermark-app button, .watermark-app input { font: inherit; }
.watermark-app [hidden] { display: none !important; }
.watermark-app .hide { display: none !important; }

.watermark-intro { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: clamp(28px, 6vw, 88px); align-items: end; max-width: 1480px; margin: 0 auto clamp(32px, 5vw, 58px); }
.watermark-eyebrow { margin: 0 0 15px; color: var(--wm-gold); font-size: .74rem; font-weight: 850; letter-spacing: .19em; text-transform: uppercase; }
.watermark-intro h1 { margin: 0; color: var(--wm-ink); font: 600 clamp(2.8rem, 5.8vw, 6.1rem)/.96 Georgia, "Times New Roman", serif; letter-spacing: -.055em; }
.watermark-intro h1 em { color: var(--wm-gold); font-weight: 500; }
.watermark-intro-side > p { margin: 0 0 24px; color: #c1cec6; font-size: clamp(.96rem, 1.35vw, 1.13rem); line-height: 1.7; }
.watermark-intro-side ul { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; list-style: none; border-block: 1px solid var(--wm-line); }
.watermark-intro-side li { display: grid; gap: 4px; min-width: 0; padding: 13px 12px; border-right: 1px solid var(--wm-line); }
.watermark-intro-side li:first-child { padding-left: 0; }
.watermark-intro-side li:last-child { border-right: 0; }
.watermark-intro-side strong { color: var(--wm-ink); font-size: .73rem; }
.watermark-intro-side span { color: var(--wm-muted); font-size: .58rem; line-height: 1.35; }

.watermark-workspace { display: grid; grid-template-columns: minmax(340px, .5fr) minmax(0, 1.5fr); gap: clamp(18px, 2.5vw, 32px); align-items: start; max-width: 1480px; margin: 0 auto; }
.watermark-controls, .watermark-preview { min-width: 0; padding: clamp(19px, 2.7vw, 34px); background: linear-gradient(150deg, rgba(17, 51, 37, .97), rgba(8, 31, 22, .99)); border: 1px solid var(--wm-line); border-radius: clamp(18px, 2vw, 28px); box-shadow: 0 28px 60px -46px #000; }
.watermark-section-heading { display: flex; gap: 13px; align-items: flex-start; }
.watermark-section-heading > span { display: grid; place-items: center; flex: 0 0 38px; width: 38px; height: 38px; color: #382904; background: linear-gradient(145deg, #ffd77e, var(--wm-gold)); border-radius: 50%; font-size: .69rem; font-weight: 900; }
.watermark-section-heading h2 { margin: 0; color: var(--wm-ink); font: 600 clamp(1.3rem, 2vw, 1.72rem)/1.15 Georgia, serif; letter-spacing: -.02em; }
.watermark-section-heading p { margin: 5px 0 0; color: var(--wm-muted); font-size: .74rem; line-height: 1.48; }
.watermark-section-heading p.is-error { color: #ffaaa0; }

.watermark-dropzone { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 12px; align-items: center; margin-top: 26px; padding: 16px; background: rgba(4, 21, 14, .55); border: 1px dashed rgba(120, 214, 170, .5); border-radius: 15px; cursor: pointer; outline: 0; transition: border-color .2s, background .2s, transform .2s; }
.watermark-dropzone:hover, .watermark-dropzone.is-dragging { background: rgba(54, 133, 96, .16); border-color: var(--wm-mint); transform: translateY(-1px); }
.watermark-dropzone:focus-visible { box-shadow: 0 0 0 3px rgba(244, 189, 85, .25); }
.dropzone-mark { grid-row: 1 / 3; display: grid; place-items: center; width: 43px; height: 43px; color: #352704; background: linear-gradient(145deg, #ffd77e, var(--wm-gold)); border-radius: 12px; font-size: 1.35rem; }
.watermark-dropzone > div { display: grid; gap: 3px; min-width: 0; }
.watermark-dropzone strong { color: var(--wm-ink); font-size: .75rem; }
.watermark-dropzone small { color: var(--wm-muted); font-size: .61rem; }
.file-name { overflow: hidden; margin: 0; color: #789184; font-size: .56rem; line-height: 1.4; text-overflow: ellipsis; white-space: nowrap; }
.watermark-dropzone .file-name { grid-column: 2; }

.watermark-type-section { margin: 22px 0 0; padding: 0; border: 0; }
.watermark-type-section legend { margin-bottom: 8px; padding: 0; color: var(--wm-muted); font-size: .63rem; font-weight: 750; }
.watermark-type-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.watermark-type-options label { position: relative; cursor: pointer; }
.watermark-type-options input { position: absolute; opacity: 0; pointer-events: none; }
.watermark-type-options span { display: grid; gap: 3px; min-height: 61px; padding: 11px 12px; color: var(--wm-muted); background: rgba(4, 21, 14, .48); border: 1px solid var(--wm-line); border-radius: 11px; }
.watermark-type-options b { color: var(--wm-ink); font-size: .69rem; }
.watermark-type-options small { font-size: .57rem; }
.watermark-type-options input:checked + span { color: #cde9da; background: rgba(58, 139, 101, .18); border-color: var(--wm-mint); box-shadow: inset 3px 0 var(--wm-mint); }
.watermark-type-options input:focus-visible + span { outline: 3px solid rgba(244, 189, 85, .25); }

.watermark-option-panel { margin-top: 21px; padding-top: 19px; border-top: 1px solid var(--wm-line); }
.watermark-option-panel > header { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.watermark-option-panel > header span { color: var(--wm-gold); font-size: .58rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.watermark-option-panel h3 { margin: 0; color: var(--wm-ink); font-size: .78rem; }
.field-group { min-width: 0; margin-bottom: 13px; }
.field-group > label, .range-label label { display: block; margin-bottom: 7px; color: var(--wm-muted); font-size: .63rem; font-weight: 750; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.watermark-app input[type="text"], .watermark-app input[type="number"] { width: 100%; min-width: 0; padding: 10px 11px; color: #eef6f1; background: rgba(4, 21, 14, .65); border: 1px solid var(--wm-line); border-radius: 10px; outline: 0; }
.watermark-app input::placeholder { color: #71887b; }
.watermark-app input[type="text"]:focus, .watermark-app input[type="number"]:focus { border-color: var(--wm-mint); box-shadow: 0 0 0 3px rgba(120, 214, 170, .1); }
.input-suffix { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; background: rgba(4, 21, 14, .65); border: 1px solid var(--wm-line); border-radius: 10px; }
.input-suffix input { background: transparent !important; border: 0 !important; box-shadow: none !important; }
.input-suffix span { padding-right: 10px; color: var(--wm-muted); font-size: .61rem; }
.range-label { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.range-label label { margin: 0; }
.range-label output { color: var(--wm-gold); font-size: .62rem; font-weight: 800; }
.field-group input[type="range"] { width: 100%; accent-color: var(--wm-gold); cursor: pointer; }
.color-box { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 8px; align-items: center; width: 100%; min-height: 42px; padding: 4px 9px 4px 4px; color: var(--wm-muted); background: rgba(4, 21, 14, .65); border: 1px solid var(--wm-line); border-radius: 10px; cursor: pointer; font-size: .61rem; text-align: left; }
.color-box i { width: 34px; height: 32px; background: #000; border: 1px solid rgba(255,255,255,.22); border-radius: 7px; }
.file-picker-label { display: inline-flex !important; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 11px; color: #342604 !important; background: var(--wm-gold); border-radius: 10px; cursor: pointer; font-size: .68rem !important; font-weight: 850 !important; }
.file-picker-label span { font-size: .95rem; }
.watermark-option-panel .file-name { margin-top: 8px; }

.apply-watermark { display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; width: 100%; margin-top: 8px; padding: 12px 15px; color: #332504; background: linear-gradient(145deg, #ffd77e, var(--wm-gold)); border: 0; border-radius: 999px; cursor: pointer; font-size: .72rem; font-weight: 850; }
.apply-watermark b { font-size: 1rem; }
.apply-watermark:disabled { opacity: .35; cursor: not-allowed; }
.watermark-help { display: flex; gap: 9px; margin: 15px 2px 0; color: var(--wm-muted); font-size: .61rem; line-height: 1.5; }
.watermark-help span { color: var(--wm-mint); }

.watermark-preview { position: sticky; top: 18px; }
.watermark-preview-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.download-watermark { display: inline-flex; align-items: center; justify-content: center; gap: 8px; flex: 0 0 auto; padding: 10px 15px; color: #332504; background: linear-gradient(145deg, #ffd77e, var(--wm-gold)); border-radius: 999px; text-decoration: none; font-size: .69rem; font-weight: 850; }
.download-watermark span { font-size: .95rem; }
.preview-stage { display: grid; place-items: center; min-width: 0; min-height: clamp(430px, 55vw, 740px); overflow: hidden; padding: clamp(12px, 2vw, 25px); background-color: #06160f; background-image: linear-gradient(45deg, rgba(255,255,255,.025) 25%, transparent 25%), linear-gradient(-45deg, rgba(255,255,255,.025) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, rgba(255,255,255,.025) 75%), linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.025) 75%); background-size: 24px 24px; background-position: 0 0, 0 12px, 12px -12px, -12px 0; border: 1px solid var(--wm-line); border-radius: 18px; }
.preview-placeholder { display: grid; justify-items: center; max-width: 330px; text-align: center; }
.preview-placeholder > span { display: grid; place-items: center; width: 72px; height: 72px; margin-bottom: 18px; color: var(--wm-gold); background: rgba(244, 189, 85, .08); border: 1px solid rgba(244, 189, 85, .22); border-radius: 20px; transform: rotate(-4deg); }
.preview-placeholder i { font: 500 2.35rem Georgia, serif; }
.preview-placeholder strong { color: var(--wm-ink); font: 600 1.15rem Georgia, serif; }
.preview-placeholder p { margin: 8px 0 0; color: var(--wm-muted); font-size: .69rem; line-height: 1.55; }
#previewCanvas { display: block; max-width: 100%; max-height: min(70vh, 720px); width: auto; height: auto; background: #fff; box-shadow: 0 22px 55px rgba(0, 0, 0, .4); }
.preview-note { display: flex; gap: 9px; margin: 13px 2px 0; color: var(--wm-muted); font-size: .62rem; line-height: 1.5; }
.preview-note span { color: var(--wm-mint); }

@media (max-width: 1020px) {
  .watermark-intro { grid-template-columns: 1fr; gap: 24px; }
  .watermark-workspace { grid-template-columns: 1fr; }
  .watermark-preview { position: static; }
  .preview-stage { min-height: min(74vw, 680px); }
}
@media (max-width: 620px) {
  .watermark-app { padding: 23px 13px 30px; }
  .watermark-intro { margin-bottom: 24px; }
  .watermark-intro h1 { font-size: clamp(2.55rem, 13.7vw, 4.2rem); }
  .watermark-intro-side ul { grid-template-columns: 1fr; }
  .watermark-intro-side li, .watermark-intro-side li:first-child { padding: 9px 0; border-right: 0; border-bottom: 1px solid var(--wm-line); }
  .watermark-intro-side li:last-child { border-bottom: 0; }
  .watermark-controls, .watermark-preview { padding: 17px 13px; border-radius: 18px; }
  .watermark-preview-head { gap: 10px; }
  .watermark-preview-head .watermark-section-heading > span { display: none; }
  .download-watermark { padding-inline: 11px; }
  .preview-stage { min-height: 72vw; padding: 8px; border-radius: 13px; }
}
@media (max-width: 390px) {
  .field-grid, .watermark-type-options { grid-template-columns: 1fr; }
}