/* ============================================================
   QRaft – style.css
   Sections:
   1. Tokens (CSS variables)
   2. Reset & Base
   3. Background Orbs
   4. Header
   5. Main Layout
   6. Hero
   7. URL Bar
   8. Grid
   9. Card
   10. QR Preview
   11. Action Buttons
   12. Settings Card
   13. Ad Slots
   14. Toast
   15. Animations & Keyframes
   16. Responsive
   ============================================================ */


/* ── 1. Tokens ── */
:root {
  --red:        #e34949;
  --red-dim:    #c93c3c;
  --red-glow:   rgba(227, 73, 73, 0.25);

  /* Light theme */
  --bg:           #f5f5f7;
  --surface:      #ffffff;
  --surface-2:    #fafafa;
  --border:       rgba(0, 0, 0, 0.08);
  --text:         #1d1d1f;
  --text-2:       #6e6e73;
  --text-3:       #aeaeb2;
  --shadow-sm:    0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md:    0 8px 32px rgba(0, 0, 0, 0.10);
  --shadow-lg:    0 24px 64px rgba(0, 0, 0, 0.12);
  --glass:        rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] {
  --bg:           #000000;
  --surface:      #1c1c1e;
  --surface-2:    #2c2c2e;
  --border:       rgba(255, 255, 255, 0.08);
  --text:         #f5f5f7;
  --text-2:       #aeaeb2;
  --text-3:       #636366;
  --shadow-sm:    0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md:    0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-lg:    0 24px 64px rgba(0, 0, 0, 0.6);
  --glass:        rgba(28, 28, 30, 0.8);
  --glass-border: rgba(255, 255, 255, 0.08);
}


/* ── 2. Reset & Base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}


/* ── 3. Background Orbs ── */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: orb-drift 18s ease-in-out infinite alternate;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--red);
  top: -120px;
  right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 350px;
  height: 350px;
  background: #1d1d1f;
  bottom: 100px;
  left: -80px;
  animation-delay: -6s;
}

[data-theme="dark"] .orb-2 {
  background: #555;
}


/* ── 4. Header ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 60px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: var(--glass);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.35s ease, border-color 0.35s ease;
}

/* Logo */
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  animation: fade-down 0.5s ease both;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--red);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px var(--red-glow);
  transition: transform 0.2s ease;
  cursor: pointer;
}

.logo-icon:hover {
  transform: rotate(-6deg) scale(1.08);
}

.logo-icon svg {
  width: 18px;
  height: 18px;
  fill: #fff;
}

.logo-name {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo-name span {
  color: var(--red);
}

/* Theme toggle switch */
.toggle-icons i {
  font-size: 14px;   /* adjust as needed */
  margin: 0 3px;     /* spacing between icons */
}
.theme-toggle {
  position: relative;
  width: 44px;
  height: 26px;
  border-radius: 13px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease;
  animation: fade-down 0.5s 0.1s ease both;
}

.theme-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-2);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.3s ease;
}

[data-theme="dark"] .theme-toggle::after {
  transform: translateX(18px);
  background: var(--red);
}

.toggle-icons {
  position: absolute;
  /* inset: 0; */
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* padding: 0 5px; */
  pointer-events: none;
  /* font-size: 9px; */
}


/* ── 5. Main Layout ── */
main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 32px;
}


/* ── 6. Hero ── */
.hero {
  text-align: center;
  margin-bottom: 40px;
  animation: fade-up 0.6s ease both;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text);
}

.hero h1 em {
  font-style: normal;
  color: var(--red);
}

.hero p {
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--text-2);
  font-weight: 400;
}


/* ── 7. URL Bar ── */
.url-bar-wrap {
  margin-bottom: 36px;
  animation: fade-up 0.6s 0.08s ease both;
}

.url-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 10px 14px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.url-bar:focus-within {
  border-color: var(--red);
  box-shadow: 0 0 0 4px var(--red-glow), var(--shadow-sm);
}

.url-icon {
  color: var(--text-3);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.url-bar input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  color: var(--text);
  font-weight: 400;
}

.url-bar input::placeholder {
  color: var(--text-3);
}

.btn-generate {
  flex-shrink: 0;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 22px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-generate:hover {
  background: var(--red-dim);
  transform: scale(1.02);
  box-shadow: 0 4px 16px var(--red-glow);
}

.btn-generate:active {
  transform: scale(0.97);
}


/* ── 8. Grid ── */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  animation: fade-up 0.6s 0.16s ease both;
}


/* ── 9. Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
}


/* ── 10. QR Preview ── */
.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-stage {
  width: 100%;
  aspect-ratio: 1;
  max-width: 280px;
  background: #fff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: box-shadow 0.3s ease;
}

.qr-stage:hover {
  box-shadow: var(--shadow-lg);
}

#qr-render {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 16px;
}

/* QRCode.js outputs a canvas or img — force it to fill the render div */
#qr-render canvas,
#qr-render img {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* Placeholder state */
.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-3);
  text-align: center;
  padding: 20px;
}

.qr-placeholder svg {
  width: 56px;
  height: 56px;
  opacity: 0.3;
}

.qr-placeholder p {
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Centred logo overlay on top of the QR */
.qr-logo-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  width: 44px;
  height: 44px;
  background: #ffffff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 4px;
}

.qr-logo-overlay.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.qr-logo-overlay svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

/* Your actual logo image inside the overlay */
#qrLogoImg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
  display: block;
}

/* Pulse ring burst on generate */
.pulse-ring {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  pointer-events: none;
  animation: pulse-out 0.6s ease forwards;
}


/* ── 11. Action Buttons ── */
.qr-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  width: 100%;
  max-width: 280px;
  /* Disabled state until QR is generated */
  opacity: 0.3;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.qr-actions.enabled {
  opacity: 1;
  pointer-events: auto;
}

.btn-action {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease, color 0.2s ease;
}

.btn-action:hover {
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-1px);
}

.btn-action:active {
  transform: translateY(0);
}

.btn-action.primary {
  background: var(--red);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px var(--red-glow);
}

.btn-action.primary:hover {
  background: var(--red-dim);
  color: #fff;
}


/* ── 12. Settings Card ── */
.setting-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.setting-row:last-child {
  margin-bottom: 0;
}

.setting-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.setting-label span {
  color: var(--text-3);
  font-size: 0.75rem;
}

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 2px 8px var(--red-glow);
  transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Color pickers */
.color-row {
  display: flex;
  gap: 10px;
}

.color-option {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.color-option label {
  font-size: 0.72rem;
  color: var(--text-3);
}

.color-swatch {
  width: 100%;
  height: 36px;
  border-radius: 10px;
  border: 2px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.color-swatch:hover {
  border-color: var(--red);
  transform: scale(1.03);
}

.color-swatch input[type="color"] {
  width: 130%;
  height: 130%;
  border: none;
  outline: none;
  cursor: pointer;
  margin: -15% 0 0 -15%;
  background: none;
}

/* Segmented control */
.seg-control {
  display: flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}

.seg-btn {
  flex: 1;
  text-align: center;
  padding: 7px 4px;
  border-radius: 7px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  transition: background 0.2s ease, color 0.2s ease;
}

.seg-btn.active {
  background: var(--red);
  color: #fff;
  box-shadow: 0 2px 8px var(--red-glow);
}

/* Quick links row */
.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.quick-links .btn-action {
  flex: none;
  padding: 7px 12px;
  font-size: 0.75rem;
}
/* Logo upload button */
.logo-upload-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1.5px dashed var(--border);
  background: var(--surface-2);
  color: var(--text-2);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.logo-upload-label:hover {
  border-color: var(--red);
  color: var(--red);
  background: var(--surface);
}

.logo-upload-label.has-logo {
  border-color: var(--red);
  border-style: solid;
  color: var(--red);
  background: var(--surface);
}
/* Divider */
.divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0 20px;
}


/* ── 13. Ad Slots ── */
.ads-row {
  margin-top: 28px;
  display: flex;
  gap: 16px;
  animation: fade-up 0.6s 0.24s ease both;
}

.ad-slot {
  flex: 1;
  height: 90px;
  border-radius: 14px;
  border: 1.5px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
  background: var(--surface);
}


/* ── 14. Toast ── */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text);
  color: var(--bg);
  padding: 12px 22px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  z-index: 999;
  white-space: nowrap;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}


/* ── 15. Animations & Keyframes ── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0);     }
}

@keyframes fade-down {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0);     }
}

@keyframes orb-drift {
  from { transform: translate(0, 0)      scale(1);   }
  to   { transform: translate(30px, 40px) scale(1.1); }
}

@keyframes qr-pop {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1);    }
}

@keyframes pulse-out {
  0%   { box-shadow: 0 0 0 0   var(--red-glow); opacity: 1; }
  100% { box-shadow: 0 0 0 20px transparent;    opacity: 0; }
}

.qr-reveal {
  animation: qr-pop 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}


/* ── 16. Responsive ── */
@media (max-width: 720px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  header {
    padding: 0 16px;
  }

  main {
    padding: 32px 16px 24px;
  }

  .ads-row {
    flex-direction: column;
  }

  .ad-slot {
    height: 60px;
  }

  .btn-generate {
    padding: 10px 10px;
    font-size: 0.82rem;
  }
}