:root {
  --color-primary-blue: #2563eb;
  --color-secondary-blue: #1d4ed8;
  --color-primary-white: #f8fafc;
  --color-secondary-white: #e0e7ef;
  --color-shadow: rgba(0, 0, 0, 0.4);
  --color-bg-white: #f1f5f9;
}


form.loading,
.styled-form.loading,
.result-form.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

form.loading::after,
.styled-form.loading::after,
.result-form.loading::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.7);
  z-index: 2;
  pointer-events: all;
  border-radius: 16px;
}

form.loading::before,
.styled-form.loading::before,
.result-form.loading::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2.5rem;
  height: 2.5rem;
  margin-top: -1.25rem;
  margin-left: -1.25rem;
  border-radius: 50%;
  border: 4px solid #2563eb;
  border-top: 4px solid #e0e7ef;
  animation: spinner-rotate 0.8s linear infinite;
  z-index: 3;
  pointer-events: none;
}

form.loading::after,
.styled-form.loading::after,
.result-form.loading::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.6);
  z-index: 2;
  pointer-events: all;
}

form.loading::before,
.styled-form.loading::before,
.result-form.loading::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2.5rem;
  height: 2.5rem;
  margin-top: -1.25rem;
  margin-left: -1.25rem;
  border-radius: 50%;
  border: 4px solid #2563eb;
  border-top: 4px solid #e0e7ef;
  animation: spinner-rotate 0.8s linear infinite;
  z-index: 3;
  pointer-events: none;
}

@keyframes spinner-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.transition-out {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.transition-in {
  opacity: 0;
  transform: translateX(40px);
  animation: fadeInSlideIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeInSlideIn {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.error-info .passphrase-reset {
  width: 100%;
  margin-top: 1rem;
  font-size: 1.2rem;
  padding: 0.5rem 0;
  border-radius: 0.5rem;
}
body {
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
  background: #f6f8fa;
  color: #222;
}

.main {
  display: flex;
  flex-direction: column;
  align-items: center;
  /* margin-top: 2rem; */
  /* padding: 1rem; */
}

.background-accent {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(120deg, var(--color-secondary-white) 0%, var(--color-primary-white) 100%);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

.main-title {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 2.3rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--color-primary-blue);
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
}

.hidden {
  opacity: 0;
  max-height: 0;
}

/* .main-form .passphrase-row {
  transition: all 0.3s ease-in-out;
}

.main-form .passphrase-row.invalid {
  border-color: #f87171;
} */

.passphrase-row > * {
  flex: 1 1 0;
  width: 100%;
  max-width: 22rem;
  margin: 0.5rem;
  transition: all 0.3s ease-in-out;
}

.passphrase-row > .invalid {
  color: #b91c1c;
  background-color: #fee2e2;
  border-color: #f87171;
  font-weight: 500;
  font-size: 1.1rem;
}

.transition-container {
  position: relative;
  width: 100%;
  max-width: 22rem;
  min-height: 18rem;
}
.transition-container > * {
  max-height: 1000px;
  opacity: 1;
  transform: translateX(0);
  transition:
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    max-height 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.transition-container .hidden {
  opacity: 0;
  transform: translateX(40px);
  max-height: 0;
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.display-view {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(37,99,235,0.08);
  padding: 1rem;
}

.download-info {
  width: 100%;
  max-width: 22rem;
  margin: 0;
  padding: 1rem;
  background: #f1f5f9;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  box-sizing: border-box;
}
.download-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.7rem;
}
.download-label {
  font-weight: 500;
  color: #2563eb;
}
.download-filename,
.download-size,
.download-type {
  font-weight: 400;
  color: #222;
}
.download-row:last-child {
  display: flex;
}
.download-action {
  flex: 1 1 0;
  width: 100%;
  font-size: 1.2rem;
  padding: 0.5rem 0;
  background: #10b981;
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(16,185,129,0.15);
  transition: background 0.2s;
}
.download-action:hover {
  background: #059669;
}

.error-info {
  width: 100%;
  max-width: 22rem;
  margin: 1.5rem auto 0 auto;
  padding: 1rem;
  background: #fee2e2;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(239,68,68,0.10);
  text-align: center;
}
.error-message {
  color: #b91c1c;
  font-weight: 500;
  font-size: 1.1rem;
}

.passphrase-row {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.passphrase-input {
  letter-spacing: 0.2em;
  font-size: 2rem;
  width: 20rem;
  max-width: 90vw;
  padding: 0.5rem 1rem;
  border: 2px solid #d1d5db;
  border-radius: 0.5rem;
  background: #fff;
  text-align: center;
  outline: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.passphrase-input:focus {
  border-color: #2563eb;
}
.passphrase-input.invalid:focus {
  border-color: #f87171;
}


.passphrase-buttons {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  max-width: 22rem;
  margin-bottom: 1rem;
}

.passphrase-submit,
.passphrase-reset {
  flex: 1 1 0;
  font-size: 1.2rem;
  padding: 0.5rem 0;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  width: 100%;
}

.passphrase-submit {
  background: #2563eb;
  color: #fff;
  transition: background 0.2s;
}

.passphrase-list {
  width: 100%;
  max-width: 22rem;
  margin: 0 0 0.5rem 0;
  padding: 0;
  overflow-x: auto;
  overflow-y: hidden;
  box-sizing: border-box;
  background: transparent;
  box-shadow: none;
  border: 2px solid transparent;
  border-radius: 0.5rem;
  transition:
    background 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    border 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.passphrase-list.valid {
  background: #d1fae5;
  border: 2px solid #10b981;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(16,185,129,0.15);
  transition: background 0.8s cubic-bezier(0.4, 0, 0.2, 1), border 0.8s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.passphrase-list-row {
  margin-bottom: 0.5rem;
}

.passphrase-cell {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  line-height: 2rem;
  font-size: 1.5rem;
  text-align: center;
  background: #e5e7eb;
  border-radius: 0.3rem;
  margin-right: 0.2rem;
  color: #222;
  font-weight: 500;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

/* Ensure passphrase-list-row is always transitionable */
.passphrase-list-row {
  opacity: 1;
  transform: translateX(0);
  transition:
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.passphrase-cell.empty {
  background: transparent;
  border: 1px dashed #d1d5db;
  color: transparent;
}

@media (max-width: 600px) {
  .passphrase-input {
    font-size: 1.3rem;
    width: 95vw;
    padding: 0.5rem;
  }
  .passphrase-list {
    max-width: 95vw;
  }
  .passphrase-cell {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 1rem;
  }
  .passphrase-buttons {
    max-width: 95vw;
  }
  .passphrase-list-row {
    margin-bottom: 0.5rem;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 0.5rem;
    box-shadow: none;
    transition: background 0.8s cubic-bezier(0.4, 0, 0.2, 1), border 0.8s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .passphrase-list.valid {
    background: #d1fae5;
    border: 2px solid #10b981;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(16,185,129,0.15);
    transition: background 0.8s cubic-bezier(0.4, 0, 0.2, 1), border 0.8s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .passphrase-submit,
  .passphrase-reset {
    font-size: 1rem;
    padding: 0.5rem;
    width: 100%;
    /* border: 2px solid #d1d5db; */
    border: none;
    border-radius: 0.5rem;
    background: #fff;
    text-align: center;
    outline: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  }

  .passphrase-submit {
    background: #2563eb;
    color: #fff;
    transition: background 0.2s;
  }
}