/*
=========================================================
Project      : UPI QR Studio
Website      : https://rsbusinesses0.github.io/UPI_QR_Studio/
Created By   : Sumit Kumar Shakya
Developer    : Solo Creator & Developer
Developed For: RS Businesses
GitHub       : https://github.com/sksumitkumarshakya
Contact      : sksumitkumarshakya@gmail.com

Description  : Stylesheet for the UPI QR Studio website.
               Supports the website's layout, responsive
               design, components, and visual presentation.

Year         : 2026
=========================================================
*/

/* =========================================
   UPI QR GENERATOR WIDGET
   All widget styles are locally scoped.
========================================= */

#upi-qr-widget {
  --qr-ink: #183153;
  --qr-muted: #697991;
  --qr-blue: #1769f6;
  --qr-blue-dark: #1055d7;
  --qr-border: #dce6f4;
  --qr-green-bg: #eaf8f1;
  --qr-green-text: #145c43;

  display: block;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px;
  color: var(--qr-ink);
  font-family: Inter, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  isolation: isolate;
}

#upi-qr-widget,
#upi-qr-widget *,
#upi-qr-widget *::before,
#upi-qr-widget *::after {
  box-sizing: border-box;
}

#upi-qr-widget button,
#upi-qr-widget input {
  font-family: inherit;
}

#upi-qr-widget [hidden] {
  display: none !important;
}

/* Two adjacent panels on desktop */

#upi-qr-widget .qr-widget-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: 22px;
  align-items: stretch;
  width: 100%;
}

#upi-qr-widget .qr-widget-form-panel,
#upi-qr-widget .qr-widget-result-panel {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--qr-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 28px rgba(37, 74, 125, 0.07);
}

/* Heading */

#upi-qr-widget .qr-widget-heading {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 28px;
}

#upi-qr-widget .qr-widget-logo {
  display: grid;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(145deg, #2d7bff, #1457dd);
}

#upi-qr-widget .qr-widget-logo svg {
  display: block;
  width: 30px;
  height: 30px;
}

#upi-qr-widget .qr-widget-heading-text {
  min-width: 0;
}

#upi-qr-widget .qr-widget-heading h1 {
  margin: 0 0 5px;
  color: var(--qr-ink);
  font-size: clamp(23px, 2.4vw, 30px);
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -0.7px;
}

#upi-qr-widget .qr-widget-heading p {
  margin: 0;
  color: var(--qr-muted);
  font-size: 13px;
  line-height: 1.5;
}

/* Input fields */

#upi-qr-widget .qr-widget-form {
  width: 100%;
  margin: 0;
  padding: 0;
}

#upi-qr-widget .qr-widget-label {
  display: block;
  margin: 0 0 9px;
  color: var(--qr-ink);
  font-size: 14px;
  font-weight: 750;
}

#upi-qr-widget .qr-widget-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr);
  align-items: stretch;
  gap: 8px;
  width: 100%;
}

#upi-qr-widget .qr-widget-username,
#upi-qr-widget .qr-widget-provider {
  display: block;
  width: 100%;
  min-width: 0;
  height: 49px;
  margin: 0;
  padding: 0 11px;
  border: 1px solid #d7e2f1;
  border-radius: 10px;
  outline: none;
  color: var(--qr-ink);
  background: #fff;
  box-shadow: none;
  font-size: 13px;
  line-height: normal;
}

#upi-qr-widget .qr-widget-username::placeholder,
#upi-qr-widget .qr-widget-provider::placeholder {
  color: #8795aa;
  opacity: 1;
}

#upi-qr-widget .qr-widget-username:focus,
#upi-qr-widget .qr-widget-provider:focus {
  border-color: #5a94ff;
  outline: 2px solid rgba(23, 105, 246, 0.13);
  outline-offset: 1px;
}

#upi-qr-widget .qr-widget-at {
  display: grid;
  width: 36px;
  height: 49px;
  place-items: center;
  border-radius: 10px;
  color: #24416c;
  background: #edf3fc;
  font-size: 22px;
  font-weight: 800;
  user-select: none;
}

/* Example */

#upi-qr-widget .qr-widget-example {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px;
  margin: 10px 0 23px;
  color: var(--qr-muted);
  font-size: 12px;
  line-height: 1.6;
}

#upi-qr-widget .qr-widget-example strong {
  color: var(--qr-ink);
  font-weight: 750;
}

#upi-qr-widget .qr-widget-example .qr-example-at {
  color: var(--qr-blue);
  font-weight: 800;
}

#upi-qr-widget .qr-widget-example .qr-example-full {
  color: #536985;
}

/* Validation message */

#upi-qr-widget .qr-widget-error {
  margin: 0 0 13px;
  color: #b42318;
  font-size: 13px;
  line-height: 1.45;
}

/* Buttons */

#upi-qr-widget .qr-widget-generate,
#upi-qr-widget .qr-widget-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 49px;
  margin: 0;
  padding: 12px 15px;
  border: 0;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(100deg, #2477ff, #155de8);
  box-shadow: 0 4px 10px rgba(23, 105, 246, 0.13);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.15s ease;
}

#upi-qr-widget .qr-widget-generate:hover,
#upi-qr-widget .qr-widget-download:not(:disabled):hover {
  filter: brightness(0.97);
  transform: translateY(-1px);
}

#upi-qr-widget .qr-widget-generate:focus-visible,
#upi-qr-widget .qr-widget-download:focus-visible {
  outline: 3px solid rgba(23, 105, 246, 0.3);
  outline-offset: 3px;
}

#upi-qr-widget .qr-widget-generate svg,
#upi-qr-widget .qr-widget-download svg {
  display: block;
  flex: 0 0 21px;
  width: 21px;
  height: 21px;
}

/* QR result panel */

#upi-qr-widget .qr-widget-result-panel {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

#upi-qr-widget .qr-widget-result-panel h2 {
  margin: 0 0 16px;
  color: var(--qr-ink);
  font-size: 19px;
  font-weight: 750;
  line-height: 1.3;
  text-align: center;
}

#upi-qr-widget .qr-widget-qr-frame {
  display: grid;
  width: min(100%, 290px);
  aspect-ratio: 1 / 1;
  place-items: center;
  margin: 0 auto 16px;
  padding: 10px;
  overflow: hidden;
  border: 1px solid #dfe8f7;
  border-radius: 13px;
  background: #fff;
}

#upi-qr-widget .qr-widget-qr-code {
  display: none;
  width: 100%;
  height: 100%;
  place-items: center;
}

#upi-qr-widget .qr-widget-qr-code canvas,
#upi-qr-widget .qr-widget-qr-code img {
  display: block;
  width: 100% !important;
  height: 100% !important;
  max-width: 100%;
  max-height: 100%;
  margin: 0 !important;
  object-fit: contain;
  image-rendering: pixelated;
}

#upi-qr-widget .qr-widget-placeholder {
  display: flex;
  width: 100%;
  height: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  color: #93a5c0;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}

#upi-qr-widget .qr-widget-placeholder svg {
  display: block;
  width: 44%;
  max-width: 100px;
  height: auto;
}

/* UPI ID shown under QR */

#upi-qr-widget .qr-widget-upi-display {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  margin: 0 0 14px;
  padding: 12px;
  border: 1px solid #ccefe0;
  border-radius: 11px;
  background: var(--qr-green-bg);
}

#upi-qr-widget .qr-widget-user-icon {
  display: block;
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  color: #36a273;
}

#upi-qr-widget .qr-widget-user-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

#upi-qr-widget .qr-widget-upi-text {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 3px;
}

#upi-qr-widget .qr-widget-upi-text > span {
  color: #527b6c;
  font-size: 11px;
}

#upi-qr-widget .qr-widget-generated-id {
  overflow-wrap: anywhere;
  color: var(--qr-green-text);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.45;
}

#upi-qr-widget .qr-widget-download:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  box-shadow: none;
  transform: none;
}

#upi-qr-widget .qr-widget-status {
  margin: 10px 0 0;
  color: var(--qr-muted);
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
}

/* Tablet and mobile */

@media (max-width: 760px) {
  #upi-qr-widget {
    padding: 12px;
  }

  #upi-qr-widget .qr-widget-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
  }

  #upi-qr-widget .qr-widget-result-panel {
    grid-row: 1;
    padding: 14px;
  }

  #upi-qr-widget .qr-widget-form-panel {
    grid-row: 2;
    padding: 16px;
  }

  #upi-qr-widget .qr-widget-result-panel h2 {
    margin-bottom: 9px;
    font-size: 16px;
  }

  #upi-qr-widget .qr-widget-qr-frame {
    width: min(44vw, 180px);
    min-width: 125px;
    margin-bottom: 9px;
    padding: 6px;
    border-radius: 10px;
  }

  #upi-qr-widget .qr-widget-upi-display {
    gap: 8px;
    margin-bottom: 9px;
    padding: 8px 10px;
  }

  #upi-qr-widget .qr-widget-user-icon {
    flex-basis: 22px;
    width: 22px;
    height: 22px;
  }

  #upi-qr-widget .qr-widget-generated-id {
    font-size: 13px;
  }

  #upi-qr-widget .qr-widget-download {
    min-height: 40px;
    padding: 9px 12px;
    font-size: 13px;
  }

  #upi-qr-widget .qr-widget-download svg {
    flex-basis: 18px;
    width: 18px;
    height: 18px;
  }

  #upi-qr-widget .qr-widget-status {
    margin-top: 6px;
    font-size: 10px;
  }

  #upi-qr-widget .qr-widget-heading {
    gap: 10px;
    margin-bottom: 15px;
  }

  #upi-qr-widget .qr-widget-logo {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
  }

  #upi-qr-widget .qr-widget-logo svg {
    width: 25px;
    height: 25px;
  }

  #upi-qr-widget .qr-widget-heading h1 {
    margin-bottom: 3px;
    font-size: 20px;
  }

  #upi-qr-widget .qr-widget-heading p {
    font-size: 12px;
  }

  #upi-qr-widget .qr-widget-label {
    margin-bottom: 7px;
    font-size: 13px;
  }

  #upi-qr-widget .qr-widget-input-row {
    grid-template-columns: minmax(0, 1fr) 27px minmax(0, 1fr);
    gap: 5px;
  }

  #upi-qr-widget .qr-widget-username,
  #upi-qr-widget .qr-widget-provider {
    height: 42px;
    padding: 0 7px;
    font-size: 11px;
  }

  #upi-qr-widget .qr-widget-at {
    width: 27px;
    height: 42px;
    font-size: 18px;
  }

  #upi-qr-widget .qr-widget-example {
    gap: 3px;
    margin: 8px 0 14px;
    font-size: 11px;
  }

  #upi-qr-widget .qr-widget-generate {
    min-height: 43px;
    padding: 10px 12px;
    font-size: 13px;
  }

  #upi-qr-widget .qr-widget-generate svg {
    flex-basis: 18px;
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 360px) {
  #upi-qr-widget {
    padding: 6px;
  }

  #upi-qr-widget .qr-widget-form-panel,
  #upi-qr-widget .qr-widget-result-panel {
    padding: 11px;
  }

  #upi-qr-widget .qr-widget-input-row {
    grid-template-columns: minmax(0, 1fr) 24px minmax(0, 1fr);
    gap: 4px;
  }

  #upi-qr-widget .qr-widget-username,
  #upi-qr-widget .qr-widget-provider {
    padding: 0 5px;
    font-size: 10px;
  }

  #upi-qr-widget .qr-widget-qr-frame {
    width: 126px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #upi-qr-widget *,
  #upi-qr-widget *::before,
  #upi-qr-widget *::after {
    scroll-behavior: auto;
    transition: none;
  }
}