* {
  box-sizing: border-box;
}

/* начальные значения */
:root {
  --card-bg: #c9d4ff;
  --env-main: #8dacff;
  --card-text: #506bff;
  --card-line: rgba(255, 255, 255, 0);
  --card-font: Arial, sans-serif;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #222;
}

.screen {
  min-height: 100vh;

  display: flex;
  justify-content: center;
  align-items: center;

  flex-direction: column;

  max-width: none;   /* ВАЖНО */
  margin: 0;
  padding: 24px;
}

.hidden {
  display: none !important;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}


label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

input,
textarea,
select,
button {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  font-size: 16px;
}

.color-field input[type="color"] {
  -webkit-appearance: none;
  appearance: none;

  width: 100%;
  height: 44px;

  padding: 0;
  cursor: pointer;
}

/* убираем лишние отступы */
.color-field input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

/* сам цвет внутри */
.color-field input[type="color"]::-webkit-color-swatch {
  border: none;
}

/* Firefox */
.color-field input[type="color"]::-moz-color-swatch {
  border: none;
}


textarea {
  min-height: 90px;
  resize: vertical;
}

button {
  cursor: pointer;
  margin-top: 24px;
}


.gift-text {
  text-align: center;
  font-size: 22px;
  margin-bottom: 24px;
}

.color-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 10px;
}


/* Сцена с конвертом */
.scene {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 340px;
  overflow: visible;

  perspective: 1400px;
}

.envelope {
  position: relative;
  width: 460px;
  height: 260px;

  transform-style: preserve-3d;
  overflow: visible;
}

/* Корпус конверта */
.envelope-back {
  position: absolute;
  inset: 0;
  bottom: 0;
  width: 100%;
  height: 260px;
  background: var(--env-main);
  z-index: 1;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
}


/* Карта внутри конверта */
.gift-sheet {
  position: absolute;
  left: 50%;
  bottom: 190px;
  width: 200px;
  height: 120px;
  transform: translateX(-50%) translateY(175px) scale(1);
  border-radius: 10px;
  background: var(--card-bg); 

  z-index: 2;
  transition:
    transform 1.8s cubic-bezier(.22, 1, .36, 1),
    box-shadow 1.8s cubic-bezier(.22, 1, .36, 1),
    opacity 0.9s ease;
  overflow: hidden;
}

.envelope-front {
  position: absolute;
  left: 0;
  bottom: 10px;
  width: 100%;
  height: 250px;
  background:var(--env-main); 
  clip-path: polygon(
    0 0,
    50% 48%,
    100% 0,
    100% 100%,
    0 100%
  );
  z-index: 4;
}

/* Тень */
.envelope-shadow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 144px;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.16),
    rgba(0, 0, 0, 0.08),
    transparent
  );
  clip-path: polygon(0 0, 100% 0, 50% 84%);
  opacity: 0;
  z-index: 4;
  pointer-events: none;
    transition: 
      opacity 1.4s ease,
      transform 1.4s cubic-bezier(.22, 1, .36, 1);
}

/* Клапан */
.envelope-flap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 144px;

  background: var(--env-main);
  clip-path: polygon(0 0, 100% 0, 50% 84%);

  transform-origin: top center;
  transform: translateY(0) scaleY(1);
  transition: 
    opacity 1.4s ease,
    transform 1.4s cubic-bezier(.22, 1, .36, 1);
  z-index: 3;
  backface-visibility: hidden;

  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.16),
    rgba(0, 0, 0, 0.08),
    transparent
  );
}

.envelope-flap::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(0 0, 100% 0, 50% 84%);
  box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.08);
  pointer-events: none;
    background: var(--env-main);

}

.envelope-flap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--env-main);

    background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.16),
    rgba(0, 0, 0, 0.08),
    transparent
  );
  clip-path: polygon(0 0, 100% 0, 50% 84%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

/* ЭТАП 1 - КЛАПАН ОТКРЫЛСЯ */
.envelope.flap-open .envelope-flap {
  transform: translateY(0) scaleY(-1);
  z-index: 1;
}

.envelope.flap-open .envelope-shadow {
  opacity: 1;
}

/* ЭТАП 2 - КАРТА ВЫШЛА ИЗ КОНВЕРТА */
.envelope.card-out .gift-sheet {
  z-index: 4; 
  transform: translateX(-50%) translateY(-18px) scale(1);
  transition-delay: 0s;
}

/* ЭТАП 3 - КАРТА ПОШЛА К ЦЕНТРУ */
.envelope.card-zoom .gift-sheet {
  z-index: 5;
  transform: translateX(-50%) translateY(145px) scale(2.5); /*scale - пропорционально увеличивает карту*/
  box-shadow: 0 20px 36px rgba(0, 0, 0, 0.10);
  transition-delay: 0s;
}

.envelope.fade-out .envelope-back,
.envelope.fade-out .envelope-front,
.envelope.fade-out .envelope-shadow,
.envelope.fade-out .envelope-flap, 
.envelope.fade-out .envelope-flap::after,
.envelope.fade-out .envelope-flap::before {
  opacity: 0;
}

/* по отдельности будем убирать части конверта */
.envelope-back,
.envelope-front,
.envelope-shadow,
.envelope-flap,
.envelope-flap::after,
.envelope-flap::before {
  transition:
    opacity 1.8s ease,
    transform 1.8s cubic-bezier(.22, 1, .36, 1);
}






#openBtn {
  width: 460px;
  display: block;

  margin: 30px auto 0;
}


#continueBtn,
#autoPaletteBtn,
#randomColorsBtn,
#openBtn,
#frontBackBtn,
#frontToggleSideBtn,
#frontShareBtn,
#frontDownloadBtn,
#backBackBtn,
#backToggleSideBtn,
#backShareBtn,
#backDownloadBtn
{
  color: #ffffff;

  border-radius: 10px;
  border: 0.8px solid rgb(0, 0, 0);

  background: linear-gradient(180deg, #c5d4ff 0%, #a0b9ff 100%);

  box-shadow:
    0 10px 25px rgba(148, 148, 148, 0.35),
    inset 0 1px 0 rgba(115, 115, 115, 0.3);
}

#continueBtn:hover,
#openBtn:hover,
#autoPaletteBtn:hover,
#randomColorsBtn:hover,
#frontBackBtn:hover,
#frontToggleSideBtn:hover,
#frontShareBtn:hover,
#frontDownloadBtn:hover,
#backBackBtn:hover,
#backToggleSideBtn:hover,
#backShareBtn:hover,
#backDownloadBtn:hover
{
  background: linear-gradient(180deg, #cccccc 0%, #c1c1c1 100%);
}


/* Финальная карта */
.card {
  position: relative;
  overflow: hidden;
  border-radius: 25px;
  width: 500px;
  height: 300px;
  margin: 0 auto;
  margin-top: 68px;
  padding: 0;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
  background: var(--card-bg);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.02) 50%, transparent 100%);
  opacity: 0.3;
  pointer-events: none;
  z-index: 1;
}


.card-logo-wrap {
  position: absolute;
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
}

.card-logo-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.logo-top-left {
  top: 35px;
  left: 35px;
}

.logo-top-right {
  top: 35px;
  right: 35px;
}


/*размер изображения*/
.card-content.shift-right {
  padding-left: 150px;
}

.card-content.shift-left {
  padding-right: 150px;
}

.card-content.shift-down {
  padding-top: 55px;
}

.card.has-user-background {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}


.card-logo-wrap.logo-small {
  width: 62px;
  height: 62px;
}

.card-logo-wrap.logo-medium {
  width: 82px;
  height: 82px;
}

.card-logo-wrap.logo-large {
  width: 96px;
  height: 96px;
}

.card-user-bg.bg-small {
  background-size: contain;
}

.card-user-bg.bg-medium {
  background-size: cover;
}

.card-user-bg.bg-large {
  background-size: 130%;
}

.card.has-user-background .card-content,
.card.has-user-background .card-logo-wrap,
.card.has-user-background .card-overlay {
  position: relative;
  z-index: 2;
}

/*заполнение карты*/
.card-content {
  position: relative;
  z-index: 2;
  height: 100%;
  padding: 24px 24px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-type {
  margin: 0 0 24px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--card-text);
  position: relative;
  font-family: var(--card-font);
}

.card-type::before,
.card-type::after {
  content: "";
  display: inline-block;
  width: 44px;
  height: 1px;
  vertical-align: middle;
  margin: 0 14px;
  background: var(--card-line);
}

.title {
  margin: 0 0 20px;
  font-size: 24px;
  line-height: 1.12;
  font-weight: 600;
  color: var(--card-text);
  font-family: var(--card-font);
}


.message {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--card-text);
  font-family: var(--card-font);
}

#fontPreviewText {
  margin-top: -4px;
  margin-bottom: 12px;
  font-size: 16px;
  color: #474747;
}

.amount-wrap {
  margin-top: 0;
  padding-top: 18px;
  width: 100%;
  max-width: 220px;
  border-top: none;
}

.amount-wrap.with-divider {
  padding-top: 18px;
  border-top: 1px solid var(--card-line);
}

.amount {
  margin: 0;
  font-size: 22px;
  line-height: 1.1;
  font-weight: 500;
  color: var(--card-text);
  font-family: var(--card-font);
}

.extra-info {
  margin-top: auto;
  width: 100%;
  padding-top: 16px;
}

.address,
.contacts {
  margin: 0;
  font-size: 12px;
  line-height: 1.4;
  color: var(--card-text);
  opacity: 0.9;
  font-family: var(--card-font);
}

.contacts {
  margin-top: 6px;
}



.result-actions {
  width: 100%;
  width: 500px;
  margin: 25px auto 0;
  display: flex;
  gap: 12px;
}

.result-actions button {
  flex: 1;
  margin: 0;
}


/*линии*/
.title.with-divider {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--card-line);
}

.amount-wrap.with-divider {
  padding-top: 18px;
  border-top: 1px solid var(--card-line);
}

.range-wrap {
  position: relative;
  width: 100%;
  margin-bottom: 12px;
  margin-top: 35px;
}


/*Прозрачность фронт*/
#imageOpacity {
  width: 100%;
  margin: 0;
  padding: 0;
  accent-color: #6ea8ff;
  box-sizing: border-box;
}

#imageOpacityValue {
  position: absolute;
  top: -24px;
  left: 100%;
  transform: translateX(-50%);
  font-size: 13px;
  color: #555;
  white-space: nowrap;
  pointer-events: none;
}

/*Прозрачность бэк*/
#backImageOpacity {
  width: 100%;
  margin: 0;
  padding: 0;
  accent-color: #6ea8ff;
  box-sizing: border-box;
}

#backImageOpacityValue {
  position: absolute;
  top: -24px;
  left: 100%;
  transform: translateX(-50%);
  font-size: 13px;
  color: #555;
  white-space: nowrap;
  pointer-events: none;
}


#logoHint {
  margin-top: -4px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.4;
  color: #666;
}

#templateHint {
  margin-top: -4px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.4;
  color: #666;
}

#backSideEditor h3 {
  margin-top: 8px;
  margin-bottom: 12px;
  font-size: 18px;
}

.card-user-bg {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

/*Разделитель сторон*/
.side-editor {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid #e3e3e3;
  border-radius: 14px;
  background: #fafafa;
}

.side-title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 600;
}

.hint-popup.show {
  display: flex;
}

.hint-content {
  background: #ffffff;
  padding: 18px 20px;
  border-radius: 14px;
  max-width: 320px;
  font-size: 14px;
  line-height: 1.4;
  color: #333;

  box-shadow: 0 10px 30px rgba(0,0,0,0.12);
  text-align: left;
}


/* иконка */
.label-with-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
/* контейнер для ? и плашки */
.hint-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
/* сам ? */
.hint-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;

  display: flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;

  background: #f0f0f0;
  color: #555;

  margin-top: -5px;
}

.hint-icon:hover {
  background: #e2e2e2;
}
/* плашка */
.hint-popup {
  position: absolute;
  top: 28px;
  left: 1px;

  min-width: auto;
  width: 260px;
  min-height: auto;
  height: auto;

  background: #ffffff;
  padding: 12px 14px;
  border-radius: 12px;

  font-size: 13px;
  line-height: 1.4;
  color: #333;

  box-shadow: 0 12px 30px rgba(0,0,0,0.12);

  display: none;
  z-index: 100;
}
/* стрелочка */
.hint-popup::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;

  width: 20px;
  height: 20px;
  background: white;

  transform: rotate(45deg);
}
/* показать */
.hint-popup.show {
  display: block;
}


/*плашка сторон*/
.side-notice {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #f4f7ff;
  border: 1px solid #d2dbf6;
  color: #4a597a;
  font-size: 14px;
  line-height: 1.45;
}

#backSideNotice2 {
  background: #fff4f4;
  border: 1px solid #f6d2d2;
  color: #7a4a4a;
}

#backSideNotice2 p {
  margin: 0;
}

/*палитры*/
.palette-section {
  margin-bottom: 16px;
}

.palette-list {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.palette-list::-webkit-scrollbar {
  height: 8px;
}

.palette-list::-webkit-scrollbar-thumb {
  background: rgba(120, 130, 180, 0.25);
  border-radius: 999px;
}

/*.palette-section::before {
  content: "→";
  position: absolute;
  top: 23%;

  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 600;
  color: rgba(0, 5, 33, 0.75);

  pointer-events: none;

  animation: paletteArrow 1.5s ease-in-out infinite;
}*/


.palette-card {
  flex: 0 0 auto;
  width: 130px;
  min-height: 80px;

  border: 1px solid #e3e3e3;
  border-radius: 14px;
  background: #fff;
  padding: 10px;
  text-align: left;
  cursor: pointer;
  margin-top: 0;

  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.palette-card:hover {
  border-color: #cfcfcf;
}

.palette-card.active {
  border-color: #8dacff;
  box-shadow: 0 0 0 2px rgba(141, 172, 255, 0.18);
}

.palette-preview {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;

  align-items: center;
  min-height: 28px;
}

.palette-color {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.08);
  display: inline-block;
}

.palette-name {
  display: block;
  font-size: 13px;
  line-height: 1.3;
  color: #333;
}


/*кнопки*/
.palette-actions {
  display: flex;
  gap: 10px;
  margin-top: -20px;
}

.palette-actions button {
  flex: 1;
  padding: 10px;
  border-radius: 14px;

  border: 0.5px solid #000000;
  background: #e9e9e9;
  color: #000000;
  font-size: 14px;

  cursor: pointer;
}

.palette-actions button:hover {
  background: #ffffff;
}


.palette-hint {
  margin-bottom: 35px;

  font-size: 13px;
  line-height: 1.4;

  color: #6d6d6d;
}




/*превью*/
.preview-screen {
  position: relative;
  overflow: hidden;
  max-width: 100%;
  min-height: 100vh;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 20%, rgba(111, 141, 255, 0.26), transparent 28%),
    radial-gradient(circle at 80% 18%, rgba(182, 201, 255, 0.22), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(141, 172, 255, 0.16), transparent 34%),
    linear-gradient(180deg, #fbfcff 0%, #eef3ff 100%);
  justify-content: center;
  align-items: center;
}

.preview-card {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 28px;
  border-radius: 28px;

  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.6);

  text-align: center;
  position: relative;
}

.preview-badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: #eef3ff;
  color: #4d63d9;
  font-size: 13px;
  font-weight: 600;
  
  top: 55px;
}

.preview-title {
  margin: 0 0 16px;
  font-size: 30px;
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #1f1f1f;
}

.preview-title span {
  color: #5b74eb;
}

.preview-text {
  max-width: 620px;
  margin: 0 auto 28px;
  font-size: 17px;
  line-height: 1.6;
  color: #5a5a5a;

  top: 55px;
}


.preview-card {
  z-index: 0;
}
.preview-bg-decor {
  z-index: 1;
}
.preview-badge,
.preview-title,
.preview-text,
.preview-visual,
.preview-features,
.preview-start-btn {
  z-index: 3;
}


.preview-visual {
  display: flex;
  justify-content: center;
  margin-bottom: 26px;
}

.preview-envelope {
  position: relative;
  width: 320px;
  height: 190px;
}

.preview-envelope-back {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #5e87f9 0%, #84a4ff 100%);
  border: 0.5px solid #8dacff;

  top: 75px;
}

.preview-envelope-front {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 190px;
  background: #8dacff;
  clip-path: polygon(0 0, 50% 48%, 100% 0, 100% 100%, 0 100%);

  top: 75px;
}

.preview-envelope-flap {
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
  height: 95px;
  background: linear-gradient(180deg, #5e87f9 0%, #84a4ff 100%);
  clip-path: polygon(0 0, 100% 0, 50% 84%); 
  transform: translateY(0) scaleY(-1);
}


.preview-sheet {
  position: absolute;
  left: 50%;
  top: 70px;
  width: 150px;
  height: 95px;
  transform: translateX(-50%);
  border-radius: 10px;
  background: linear-gradient(180deg, #ffffff 0%, #eef2ff 100%);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);

  top: 88px;
}

.preview-sheet::before,
.preview-sheet::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  height: 6px;
  border-radius: 999px;
  background: rgba(93, 109, 196, 0.18);

}

.preview-sheet::before {
  top: 18px;
}

.preview-sheet::after {
  top: 38px;
}



.preview-divider {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 30px 0 18px;
  color: #7a7f8c;
  font-size: 13px;
  font-weight: 600;
}

.preview-divider::before,
.preview-divider::after {
  content: "";
  flex: 1;
  height: 3px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(120, 140, 255, 0.35),
    transparent
  );
}


.preview-divider-other {
  align-items: center;
  color: #7a7f8c;
  font-size: 13px;
  font-weight: 600;
}





.preview-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 102px;
  margin-bottom: 58px;
  position: relative;
}

.preview-features span {
  padding: 8px 12px;
  border-radius: 999px;
  background: #f3f5fb;
  color: #525252;
  font-size: 13px;
}


/*мини конверты как примеры*/
.preview-example-envelope {
  flex: 0 0 auto;
  width: 165px;
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
}

.preview-examples-wrap {
  width: 100%;
  margin-top: 10px;
  margin-bottom: 30px;
  position: relative;
  z-index: 3;
}

.preview-examples-scroll {
  display: flex;
  flex-direction: row;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 4px 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  white-space: nowrap;

}

.preview-examples-scroll::-webkit-scrollbar {
  height: 8px;
}

.preview-examples-scroll::-webkit-scrollbar-thumb {
  background: rgba(120, 130, 180, 0.25);
  border-radius: 999px;
}



.mini-preview-envelope {
  position: relative;
  width: 145px;
  height: 95px;
}

.mini-preview-back {
  position: absolute;
  inset: 0;
}


.mini-preview-card {
  position: absolute;
  left: 50%;
  bottom: 60px;
  width: 90px;
  height: 58px;
  transform: translateX(-50%) translateY(42px);
  border-radius: 8px;
  z-index: 2;
  transition: transform 0.7s ease, box-shadow 0.7s ease;
  overflow: hidden;
}

mini-preview-card::before {
  display: none;
}

.mini-preview-card::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  top: 14px;
  height: 4px;
  border-radius: 999px;
  background: var(--demo-line-color, rgba(255,255,255,0.42));
  box-shadow:
    0 10px 0 var(--demo-line-color, rgba(255,255,255,0.28)),
    0 20px 0 var(--demo-line-color, rgba(255,255,255,0.18));
  opacity: 0.75;
  pointer-events: none;
}


.mini-preview-front {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 95px;
  clip-path: polygon(0 0, 50% 46%, 100% 0, 100% 100%, 0 100%);
  z-index: 4;
}

.mini-preview-flap {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 52px;
  clip-path: polygon(0 0, 100% 0, 50% 85%);
  transform-origin: top center;
  transition: transform 0.6s ease;
  z-index: 3;
}



.mini-preview-flap,
.mini-preview-card {
  transition: transform 1s cubic-bezier(.22, 1, .36, 1);
}

/* базовое состояние - карта внутри, клапан закрыт */
.mini-preview-flap {
  transform: scaleY(1);
}

.mini-preview-card {
  transform: translateX(-50%) translateY(42px);
}

/* ЭТАП 1 ОТКРЫТИЯ - только клапан */
.preview-example-envelope.opening .mini-preview-flap {
  transform: scaleY(-1);
  z-index: 1;
}

/* ЭТАП 2 ОТКРЫТИЯ - карта выезжает */
.preview-example-envelope.open .mini-preview-card {
  transform: translateX(-50%) translateY(-18px);
}

/* ЭТАП 1 ЗАКРЫТИЯ - карта уезжает назад */
.preview-example-envelope.closing-card .mini-preview-card {
  transform: translateX(-50%) translateY(42px);
}

/* ЭТАП 2 ЗАКРЫТИЯ - клапан закрывается */
.preview-example-envelope.closing-flap .mini-preview-flap {
  transform: scaleY(1);
}


.preview-start-btn {
  width: auto;
  min-width: 180px;
  padding: 14px 22px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(180deg, #6f8dff 0%, #5b74eb 100%);
  box-shadow:
    0 10px 25px rgba(78,108,240,0.35),
    inset 0 1px 0 rgba(255,255,255,0.3);

  color: #fff;
  font-size: 16px;
  font-weight: 600;

  position: relative;
  pointer-events: auto;
}

.preview-start-btn:hover {
  filter: brightness(1.03);
}



/*фон разноцветный*/
.preview-bg {
  position: absolute;
  top: 0;
  left: 0;
  inset: 0;

  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 18%, rgba(120, 140, 255, 0.16), transparent 24%),
    radial-gradient(circle at 88% 22%, rgba(120, 255, 210, 0.14), transparent 22%),
    radial-gradient(circle at 82% 72%, rgba(255, 170, 120, 0.12), transparent 20%),
    radial-gradient(circle at 18% 82%, rgba(210, 150, 255, 0.12), transparent 20%);
}

.bg-grid {
  position: absolute;
  width: 170%;
  height: 120%;

  top: -20%;
  left: -20%;

  display: grid;
  grid-template-columns: repeat(6, 1fr);

  transform: none;
}

.preview-bg::before {
  content: "";
  position: absolute;

  top: -20%;
  left: -10%;
  width: 140%;
  height: 60%;

  background: linear-gradient(
    120deg,
    rgba(120, 140, 255, 0.12),
    rgba(255, 150, 200, 0.10)
  );

  filter: blur(60px);
  transform: rotate(-6deg);

  z-index: 0;
}

.preview-bg::after {
  content: "";
  position: absolute;

  bottom: -20%;
  left: -10%;
  width: 140%;
  height: 60%;

  background: linear-gradient(
    120deg,
    rgba(120, 255, 200, 0.10),
    rgba(180, 140, 255, 0.12)
  );

  filter: blur(60px);
  transform: rotate(6deg);

  z-index: 0;
}

.bg-card {
  height: 180px;
  border-radius: 16px;

  opacity: 0.5;
  filter: blur(8px);

  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}


#createScreen {
  position: relative;
  max-width: 100%;
  overflow: hidden;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

#createScreen > *:not(.preview-bg) {
  position: relative;
  z-index: 1;
}

.create-screen {
  position: relative;
  overflow: hidden;
  max-width: 100%;
  min-height: 100vh;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.create-card {
  position: relative;
  z-index: 1;

  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 28px;
  border-radius: 28px;

  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.6);
}

.screen-card {
  width: 100%;
  max-width: 1100px;

  padding: 90px 26px;
  border-radius: 32px;

  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);

  box-shadow: 0 25px 70px rgba(0,0,0,0.10);

  margin: 0 auto;
}





.bg-diagonal {
  position: absolute;
  width: 220%;
  height: 34%;
  left: -60%;
  border-radius: 999px;
  filter: blur(70px);
  z-index: 0;
  pointer-events: none;
}

.bg-diagonal.thin {
  height: 18%;
  filter: blur(50px);
}

.bg-diagonal.d1 {
  top: -8%;
  transform: rotate(-7deg);
  background: linear-gradient(120deg,
    rgba(120, 140, 255, 0.10),
    rgba(255, 160, 210, 0.07)
  );
}

.bg-diagonal.d2 {
  top: 8%;
  transform: rotate(-4deg);
  background: linear-gradient(120deg,
    rgba(255, 200, 140, 0.08),
    rgba(120, 200, 255, 0.06)
  );
}

.bg-diagonal.d3 {
  top: 24%;
  transform: rotate(5deg);
  background: linear-gradient(120deg,
    rgba(170, 140, 255, 0.08),
    rgba(120, 255, 210, 0.06)
  );
}

.bg-diagonal.d4 {
  top: 42%;
  transform: rotate(-6deg);
  background: linear-gradient(120deg,
    rgba(255, 170, 120, 0.07),
    rgba(255, 120, 190, 0.06)
  );
}

.bg-diagonal.d5 {
  top: 58%;
  transform: rotate(4deg);
  background: linear-gradient(120deg,
    rgba(120, 255, 200, 0.07),
    rgba(180, 140, 255, 0.07)
  );
}

.bg-diagonal.d6 {
  top: 74%;
  transform: rotate(-5deg);
  background: linear-gradient(120deg,
    rgba(140, 190, 255, 0.08),
    rgba(255, 210, 140, 0.06)
  );
}

.bg-diagonal.d7 {
  top: 14%;
  transform: rotate(3deg);
  background: linear-gradient(120deg,
    rgba(255, 120, 160, 0.06),
    rgba(120, 140, 255, 0.05)
  );
}

.bg-diagonal.d8 {
  top: 52%;
  transform: rotate(-3deg);
  background: linear-gradient(120deg,
    rgba(120, 255, 200, 0.05),
    rgba(255, 200, 120, 0.05)
  );
}

.bg-diagonal.d9 {
  top: 86%;
  transform: rotate(7deg);
  background: linear-gradient(120deg,
    rgba(180, 140, 255, 0.07),
    rgba(120, 200, 255, 0.05)
  );
}





/*страницы с конвертом и финальная не скролятся*/
body.no-scroll {
  overflow: hidden;
}

#envelopeScreen,
#frontCardScreen,
#backCardScreen {
  overflow: hidden;
  height: 100vh;
}




/*поделится*/
.share-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.share-box {
  width: min(420px, 90vw);
  padding: 24px;
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 20px 60px rgba(0,0,0,0.18);
  text-align: center;
}

.share-box h3 {
  margin-bottom: 8px;
}

.share-box p {
  margin-bottom: 16px;
  color: #666;
}

#shareLinkInput {
  width: 100%;
  margin-bottom: 14px;
  border: 1px solid #ddd;
  border-radius: 14px;
  background: #f7f7f7;
}

.share-actions {
  display: flex;
  gap: 10px;
}

.share-actions button,
.share-close {
  border: none;
  border-radius: 14px;
  background: #8dacff;
  color: white;
}

.share-close {
  background: #e9e9e9;
  color: #222;
}








body {
  min-height: 100vh;
}

#container {
  margin: 0 auto;
}

body:has(#container:not(.hidden)) {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}


h1 {
  font-size: 25px;
}


a {
    color: #333;
    font-size: 14px;
    text-decoration: none;
    margin: 15px 0;
}


.container {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 14px 28px rgba(0, 0, 0, .2), 0 10px 10px rgba(0, 0, 0, .2);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 480px;
}

.form-container form {
    background: #fff;
    display: flex;
    flex-direction: column;
    padding:  0 50px;
    height: 100%;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.social-container {
    margin: 20px 0;
}

.social-container a {
    border: 1px solid #ddd;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin: 0 5px;
    height: 40px;
    width: 40px;
}

.form-container input {
    background: #eeeeee;
    border: none;
    padding: 12px 15px;
    margin: 8px 0;
    width: 100%;
}

button {
    border-radius: 20px;
    border: 1px solid #2b4bff;
    background: #4d62ff;
    color: #fff;
}

button:active {
    transform: scale(.95);
}

button:focus {
    outline: none;
}

button.ghost {
    background: transparent;
    border-color: #fff;
}


.form-container {
    position: absolute;
    top: 0;
    height: 100%;
    transition: all .6s ease-in-out;
}

.sign-in-container {
    left: 0;
    width: 50%;
    z-index: 2;
}

.sign-up-container {
    left: 0;
    width: 50%;
    z-index: 1;
    opacity: 0;
}

.overlay-container {
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: transform .6s ease-in-out;
    z-index: 100;
}

.overlay {
    background: #4141ff;
    background: linear-gradient(to right, #322bff, #4141ff) no-repeat 0 0 / cover;
    color: #fff;
    position: relative;
    left: -100%;
    height: 100%;
    width: 200%;
    transform: translateY(0);
    transition: transform .6s ease-in-out;
}

.overlay-panel {
    position: absolute;
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 40px;
    height: 100%;
    width: 50%;
    text-align: center;
    transform: translateY(0);
    transition: transform .6s ease-in-out;
}


#signUp {
  margin-bottom: -22px;
}

#signIn {
  margin-bottom: -34px;
}

.overlay-right {
    right: 0;
    transform: translateY(0);
}

.overlay-left {
    transform: translateY(-20%);
}

/* Move signin to right */
.container.right-panel-active .sign-in-container {
    transform: translateY(100%);
}

/* Move overlay to left */
.container.right-panel-active .overlay-container {
    transform: translateX(-100%);
}


/* Bring signup over signin */
.container.right-panel-active .sign-up-container {
    transform: translateX(100%);
    opacity: 1;
    z-index: 5;
}

/* Move overlay back to right */
.container.right-panel-active .overlay {
    transform: translateX(50%);
}

/* Bring back the text to center */
.container.right-panel-active .overlay-left {
    transform: translateY(0);
}

/* Same effect for right */
.container.right-panel-active .overlay-right {
    transform: translateY(20%);
}

.footer {
  margin-top: 25px;
  text-align: center;
}


.icons {
  display: flex;
  width: 30px;
  height: 30px;
  letter-spacing: 15px;
  align-items: center;
}



.skip-btn {
    border-radius: 20px;
    border: 1px solid #848484;
    background: #dedede;
    color: #545454;
}

.skip-btn:hover {
  background-color: #a4bbff;
}

.skip-btn:active {
  transform: scale(.95);
}

.create-card h1 {
  padding-left: 48px;
}

.container,
.create-card {
  position: relative;
}

.back-btn {

  position: absolute;
  top: 0;
  left: 20px;

  width: 36px;
  height: 36px;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 18px;
  font-weight: bold;

  background: rgba(255,255,255,0.9);
  border-radius: 10px;
  border: none;
  color: #000000;

  box-shadow: 0 6px 14px rgba(0,0,0,0.08);

  cursor: pointer;
  z-index: 10;

  transition: all 0.2s ease;
}

.back-btn:hover {
  background: #f2f2f2;
}

.back-btn:active {
  transform: scale(0.96);
}




.forgot-password-btn {
  width: auto;
  margin: 8px 0 18px;
  padding: 0;

  border: none;
  background: transparent;
  color: #333;

  font-size: 14px;
  cursor: pointer;
}

.forgot-password-btn:hover {
  color: #506bff;
  text-decoration: underline;
}


.password-wrap {
  position: relative;
  width: 100%;
}

.password-wrap input {
  width: 100%;
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 12px;

  transform: translateY(-50%);

  width: 32px;
  height: 32px;

  margin: 0;
  padding: 0;

  border: none;
  background: transparent;
  color: #666;

  font-size: 16px;
  cursor: pointer;
}

.password-toggle:active {
  transform: translateY(-50%) scale(0.95);
}









/*
.template-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.template-card {
  margin: 0;
  padding: 12px;
  border: 2px solid #e6e6e6;
  border-radius: 16px;
  background: #fff;
  cursor: pointer;
}

.template-card.active {
  border-color: #506bff;
  box-shadow: 0 0 0 4px rgba(80, 107, 255, 0.14);
}

.template-preview {
  position: relative;
  height: 120px;
  border-radius: 14px;
  background: #f7f1ec;
  overflow: hidden;
}

.tp-logo {
  position: absolute;
  width: 34px;
  height: 18px;
  border-radius: 6px;
  background: #c9b39e;
}

.tp-line {
  position: absolute;
  height: 8px;
  border-radius: 20px;
  background: #8b6a55;
}

.tp-line-title {
  width: 70px;
}

.tp-line-long {
  width: 110px;
}

.tp-line-short {
  width: 82px;
}

/* классик */
/*
.template-preview-classic .tp-logo {
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
}

.template-preview-classic .tp-line-title {
  top: 46px;
  left: 50%;
  transform: translateX(-50%);
}

.template-preview-classic .tp-line-long {
  top: 66px;
  left: 50%;
  transform: translateX(-50%);
}

.template-preview-classic .tp-line-short {
  top: 86px;
  left: 50%;
  transform: translateX(-50%);
}

/* левый угол */
/*
.template-preview-left .tp-logo {
  top: 14px;
  right: 14px;
}

.template-preview-left .tp-line-title {
  top: 42px;
  left: 16px;
}

.template-preview-left .tp-line-long {
  top: 62px;
  left: 16px;
}

.template-preview-left .tp-line-short {
  top: 82px;
  left: 16px;
}

/* правый угол */
/*
.template-preview-right .tp-logo {
  top: 14px;
  left: 14px;
}

.template-preview-right .tp-line-title {
  top: 42px;
  right: 16px;
}

.template-preview-right .tp-line-long {
  top: 62px;
  right: 16px;
}

.template-preview-right .tp-line-short {
  top: 82px;
  right: 16px;
}

*/


/*
.card.layout-classic .card-logo-wrap {
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
}

.card.layout-classic .card-content {
  align-items: center;
  text-align: center;
  justify-content: center;
}

.card.layout-left .card-logo-wrap {
  top: 22px;
  right: 28px;
}

.card.layout-left .card-content {
  align-items: flex-start;
  text-align: left;
  justify-content: center;
  padding: 42px 56px;
}

.card.layout-right .card-logo-wrap {
  top: 22px;
  left: 28px;
}

.card.layout-right .card-content {
  align-items: flex-end;
  text-align: right;
  justify-content: center;
  padding: 42px 56px;
}









.live-preview-card {
  width: 520px;
  height: 310px;
  margin: 20px auto;
}

.layout-center .card-content {
  text-align: center;
  align-items: center;
  justify-content: center;
}

.layout-left .card-content {
  text-align: left;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 56px;
}

.layout-beauty .card-content {
  text-align: center;
  align-items: center;
  justify-content: center;
  padding: 36px 64px;
}

.layout-beauty .title {
  letter-spacing: 8px;
  text-transform: uppercase;
}

.layout-card.active {
  border: 2px solid #506bff;
}
  */



.account-menu-btn {
  width: auto;
  padding: 8px 14px;
  margin: 0 0 18px auto;

  display: block;

  border: 1px solid #d7e1ff;
  border-radius: 999px;

  background: #f7f9ff;
  color: #4a597a;

  font-size: 14px;
}

.account-card {
  position: relative;
}

.account-panel {
  margin-bottom: 22px;
  padding: 14px 16px;

  border-radius: 14px;
  background: #f7f9ff;
  border: 1px solid #d7e1ff;
}

.account-panel p {
  margin: 0 0 6px;
  font-size: 14px;
  color: #4a597a;
}

.account-panel p:last-child {
  margin-bottom: 0;
}





.payment-subtitle {
  margin-bottom: 24px;
  color: #5a5a5a;
  line-height: 1.5;
}

.payment-packs {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.payment-pack {
  padding: 18px;
  border-radius: 18px;

  border: 1px solid #d7e1ff;
  background: #f7f9ff;

  text-align: left;

  transition: 0.2s ease;
}

.payment-pack:hover {
  transform: translateY(-2px);
  border-color: #8dacff;
}

.payment-pack strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.payment-pack span {
  color: #506bff;
  font-weight: 600;
}







/*адаптивные размеры. 430px (решить какой размер поставить и еще раз проверить на телефоне и планшете)*/ 
@media (max-width: 668px) {
:root {
  --mobile-panel-width: 360px;
  --mobile-panel-height: 560px;
  --mobile-main-width: 306px;

  --mobile-envelope-top: 56px;
  --mobile-card-top: 74px;

  --mobile-actions-bottom: 54px;
}

#envelopeScreen .scene,
#frontCardScreen .scene,
#backCardScreen .scene {
  width: 100%;
  height: 250px;
  margin: 0;

  position: absolute;
  left: 50%;
  transform: translateX(-50%);

  display: flex;
  justify-content: center;
  align-items: center;
}

#envelopeScreen .scene {
  top: var(--mobile-envelope-top);
}

#frontCardScreen .scene,
#backCardScreen .scene {
  top: var(--mobile-card-top);
}

  #envelopeScreen .screen-card,
  #frontCardScreen .screen-card,
  #backCardScreen .screen-card {
    width: min(100%, var(--mobile-panel-width));
    height: var(--mobile-panel-height);
    min-height: var(--mobile-panel-height);
    max-height: var(--mobile-panel-height);

    padding: 0 14px;
    border-radius: 24px;
    overflow: hidden;

    position: relative;
    display: block;
  }

  /* главный объект в одной и той же точке */
  #envelopeScreen .scene,
  #frontCardScreen .scene,
  #backCardScreen .scene {
    width: 100%;
    height: 250px;
    margin: 0;

    position: absolute;
    top: var(--mobile-object-top);
    left: 50%;
    transform: translateX(-50%);

    display: flex;
    justify-content: center;
    align-items: center;
  }

  /* конверт */
  #envelopeScreen .envelope {
    width: var(--mobile-main-width);
    height: 172px;
  }

  #envelopeScreen .envelope-back {
    height: 172px;
  }

  #envelopeScreen .envelope-front {
    height: 165px;
    bottom: 0;
  }

  #envelopeScreen .envelope-flap,
  #envelopeScreen .envelope-shadow {
    height: 96px;
  }

  #envelopeScreen .gift-sheet {
    width: 96px;
    aspect-ratio: 5 / 3;
    height: auto;
    bottom: 76%;
    border-radius: 6px;
    transform: translateX(-50%) translateY(118px) scale(1);
  }

  #envelopeScreen .envelope.card-out .gift-sheet {
    transform: translateX(-50%) translateY(-2px) scale(1);
  }

  #envelopeScreen .envelope.card-zoom .gift-sheet {
    transform: translateX(-50%) translateY(98px) scale(3.18);
  }

  /* финальная карта */
  #frontCardScreen .card,
  #backCardScreen .card {
    width: var(--mobile-main-width);
    max-width: var(--mobile-main-width);
    aspect-ratio: 5 / 3;
    height: auto;
    margin: 0;
    border-radius: 18px;
    margin-top: 100px;
  }

  /* кнопка открыть и кнопки финала в одной нижней линии */
  #openBtn,
  #frontCardScreen .result-actions,
  #backCardScreen .result-actions {
    width: var(--mobile-main-width);
    max-width: var(--mobile-main-width);
    margin: 0;

    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: var(--mobile-actions-bottom);
  }






    #container {
    width: 100%;
    min-height: auto;
    height: auto;
    display: flex;
    flex-direction: column;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
  }

  #container .form-container {
    position: static;
    width: 100%;
    height: auto;
    transform: none;
    opacity: 1;
    z-index: 1;
  }

  #container .sign-up-container,
  #container .sign-in-container {
    display: none;
  }

  #container.right-panel-active .sign-up-container {
    display: block;
  }

  #container:not(.right-panel-active) .sign-in-container {
    display: block;
  }

  #container form {
    width: 100%;
    min-height: auto;
    height: auto;
    padding: 80px 24px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  #container form h1 {
    font-size: 32px;
    margin-bottom: 28px;
    text-align: center;
  }

  #container input {
    width: 100%;
    height: 54px;
    font-size: 16px;
  }

  #container button {
    width: 100%;
    height: 52px;
    font-size: 18px;
  }

  #container .overlay-container {
    position: static;
    width: 100%;
    height: auto;
  }

  .overlay-container::before {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  margin: 12px 24px 18px;
  background: rgba(0, 0, 0, 0.454);
}

  

  #container .overlay {
    position: static;
    width: 100%;
    height: auto;
    transform: none;
    background: transparent;
  }

  #container .overlay-panel {
    position: static;
    width: 100%;
    height: auto;
    padding: 0 24px 40px;
    transform: none;
    background: transparent;
    color: #222;
  }

  #container .overlay-panel h1,
  #container .overlay-panel p {
    display: none;
  }

  #container .ghost {
    border: 1px solid #506bff;
    background: transparent;
    color: #506bff;
  }

  #container .overlay-left,
  #container .overlay-right {
    display: none;
  }

  #container.right-panel-active .overlay-left {
    display: block;
  }

  #container:not(.right-panel-active) .overlay-right {
    display: block;
  }

  #container.right-panel-active .overlay-right {
  display: none !important;
}

#container:not(.right-panel-active) .overlay-left {
  display: none !important;
}

  /*
  .back-btn {
    top: 16px;
    left: 16px;
    z-index: 50;
  }


  #createScreen .back-btn {
    left: 18px;
  }
*/

  #container .back-btn {
    width: 34px;
    height: 34px;
    padding: 0;
    font-size: 18px;
    top: 80px;
    left: 45px;
  }

  /* Move signin to right */
  .container.right-panel-active .sign-in-container {
      transform: none;
  }

  /* Move overlay to left */
  .container.right-panel-active .overlay-container {
      transform: none;
  }
}