/* ============================================
   BRIEF WIZARD - Liquid Glass Design System
   ============================================ */

/* Wrapper */
.brief-wrapper {
  max-width: 820px;
  margin: 0 auto;
  padding: 20px 20px 120px;
  min-height: 60vh;
}

/* Progress Bar */
.brief-progress {
  position: sticky;
  top: 80px;
  z-index: 50;
  background: var(--glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  display: none;
}

.brief-progress.visible {
  display: block;
}

.brief-progress__bar {
  width: 100%;
  height: 6px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.brief-progress__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #818cf8);
  border-radius: 3px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
}

.brief-progress__text {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* Container */
.brief-container {
  position: relative;
}

/* Screens */
.brief-screen {
  display: none;
  animation: briefFadeIn 0.4s ease;
}

.brief-screen.active {
  display: block;
}

@keyframes briefFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes briefSlideOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(-40px); }
}

/* Screen Header */
.brief-screen__header {
  margin-bottom: 32px;
}

.brief-screen__group {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  background: var(--accent-light);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.brief-screen__header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 8px;
}

.brief-screen__header p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Welcome Screen */
.brief-welcome {
  text-align: center;
  padding: 40px 20px;
}

.brief-welcome__icon {
  margin-bottom: 24px;
}

.brief-welcome h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.brief-welcome__subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 40px;
  line-height: 1.5;
}

.brief-welcome__benefits {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 420px;
  margin: 0 auto 40px;
  text-align: left;
}

.brief-benefit {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.brief-benefit__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 18px;
}

.brief-benefit strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.brief-benefit span {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

.brief-welcome__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.brief-btn-start,
.brief-btn-continue {
  font-size: 16px;
  padding: 16px 32px;
}

/* Fields */
.brief-fields {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brief-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brief-field label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.brief-field label .required {
  color: #ef4444;
}

.brief-field input[type="text"],
.brief-field input[type="tel"],
.brief-field input[type="email"],
.brief-field input[type="url"],
.brief-field textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text);
  transition: all var(--transition-smooth);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.brief-field input:focus,
.brief-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 0 8px 24px var(--accent-light);
  transform: translateY(-1px);
}

.brief-field input::placeholder,
.brief-field textarea::placeholder {
  color: var(--text-muted);
}

.brief-field textarea {
  resize: vertical;
  min-height: 80px;
}

.brief-field input.error,
.brief-field textarea.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.brief-field-row {
  display: flex;
  gap: 16px;
}

.brief-field-row > .brief-field {
  flex: 1;
}

/* Field Hints */
.brief-field__hint {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  padding: 10px 14px;
  background: rgba(99, 102, 241, 0.04);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-light);
}

.brief-field__hint i {
  color: var(--accent);
  margin-right: 6px;
}

.brief-field__hint strong {
  color: var(--text-secondary);
}

/* Chips */
.brief-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.brief-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  user-select: none;
}

.brief-chip:hover {
  background: var(--glass-hover);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--text);
  transform: translateY(-1px);
}

.brief-chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.brief-chip.active:hover {
  background: #5558e6;
  border-color: #5558e6;
}

.brief-chip i {
  font-size: 14px;
}

.brief-field-custom-chip {
  margin-top: 4px;
}

.brief-field-conditional {
  margin-top: 4px;
}

/* Dynamic Lists */
.brief-dynamic-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brief-dynamic-item {
  padding: 20px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.brief-dynamic-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brief-dynamic-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: 50%;
}

.brief-dynamic-item__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 18px;
  color: var(--text-muted);
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.brief-dynamic-item__remove:hover {
  color: #ef4444;
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
}

.brief-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px dashed rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
  align-self: flex-start;
}

.brief-add-btn:hover {
  background: rgba(99, 102, 241, 0.18);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Upload Zone */
.brief-upload-zone {
  border: 2px dashed rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: all var(--transition-smooth);
  background: rgba(99, 102, 241, 0.02);
}

.brief-upload-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.brief-upload-zone__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.brief-upload-zone__content i {
  font-size: 28px;
  color: var(--accent);
  opacity: 0.6;
}

.brief-upload-zone__link {
  color: var(--accent);
  cursor: pointer;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-style: dotted;
}

.brief-upload-zone__files {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.brief-upload-zone__files:empty {
  display: none;
}

.brief-upload-file {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.brief-upload-file i {
  color: var(--accent);
}

.brief-upload-file__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-size: 12px;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.brief-upload-file__remove:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.brief-upload-file__progress {
  width: 40px;
  height: 4px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 2px;
  overflow: hidden;
}

.brief-upload-file__progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s;
  width: 0;
}

/* Review Screen */
.brief-review {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.brief-review__group {
  padding: 20px 24px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.brief-review__group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.brief-review__group-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.brief-review__edit {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.brief-review__edit:hover {
  background: var(--accent-light);
}

.brief-review__items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.brief-review__item {
  display: flex;
  gap: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.brief-review__label {
  color: var(--text-muted);
  min-width: 140px;
  flex-shrink: 0;
}

.brief-review__value {
  color: var(--text);
  word-break: break-word;
}

.brief-review__value--empty {
  color: var(--text-muted);
  font-style: italic;
}

/* Submit Area */
.brief-submit-area {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.brief-submit-area .checkbox-group {
  width: 100%;
}

.brief-btn-submit {
  font-size: 16px;
  padding: 16px 40px;
}

/* Success Screen */
.brief-success {
  text-align: center;
  padding: 40px 20px;
}

.brief-success__icon {
  margin-bottom: 24px;
  animation: briefSuccessIcon 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes briefSuccessIcon {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.brief-success h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.brief-success p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.brief-success__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.brief-success__contact {
  padding: 24px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  max-width: 500px;
  margin: 0 auto;
}

.brief-success__contact p {
  font-size: 14px;
  margin-bottom: 16px;
}

.brief-success__links {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.brief-success__links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.brief-success__links a:hover {
  color: #5558e6;
}

/* Navigation */
.brief-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  padding: 16px 24px;
  background: var(--glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.06);
  z-index: 100;
}

.brief-nav.hidden {
  display: none;
}

.brief-nav__spacer {
  flex: 1;
}

.brief-nav__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.brief-nav__skip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 12px;
  color: var(--text-muted);
}

.brief-nav__skip:hover {
  color: var(--text-secondary);
}

.brief-nav__next {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  padding: 12px 28px;
}

/* Phone input in brief (reuse existing styles) */
.brief-field .phone-input-wrapper {
  display: flex;
  position: relative;
}

.brief-field .phone-input-wrapper .country-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px;
  font-size: 14px;
  font-family: inherit;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-right: none;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition-smooth);
  white-space: nowrap;
}

.brief-field .phone-input-wrapper input[type="tel"] {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  flex: 1;
}

.brief-field .phone-input-wrapper .country-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  padding: 8px;
  background: var(--glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  display: none;
  min-width: 220px;
}

.brief-field .phone-input-wrapper .country-dropdown.open {
  display: block;
}

.brief-field .phone-input-wrapper .country-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  border-radius: 8px;
  transition: background var(--transition-fast);
  font-size: 14px;
}

.brief-field .phone-input-wrapper .country-option:hover {
  background: var(--accent-light);
}

.brief-field .phone-input-wrapper .country-flag {
  display: inline-block;
  width: 1.33em;
  line-height: 1em;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.1);
}

.brief-field .phone-input-wrapper .country-name {
  flex: 1;
}

.brief-field .phone-input-wrapper .country-code {
  color: var(--text-muted);
  font-weight: 500;
}

/* Checkbox */
.brief-submit-area .checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.brief-submit-area .checkbox-label input[type="checkbox"] {
  display: none;
}

.brief-submit-area .checkmark {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid rgba(0, 0, 0, 0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  margin-top: 1px;
}

.brief-submit-area .checkbox-label:hover .checkmark {
  border-color: var(--accent);
}

.brief-submit-area .checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--accent);
  border-color: var(--accent);
}

.brief-submit-area .checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -1px;
}

.brief-submit-area .checkbox-label a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-style: dotted;
}

/* Error Message */
.brief-error-msg {
  font-size: 12px;
  color: #ef4444;
  margin-top: 4px;
  display: none;
}

.brief-error-msg.visible {
  display: block;
}

/* Responsive */
@media (max-width: 768px) {
  .brief-wrapper {
    padding: 16px 16px 100px;
  }
  
  .brief-progress {
    top: 70px;
    padding: 12px 16px;
    margin-bottom: 24px;
  }
  
  .brief-welcome h1 {
    font-size: 26px;
  }
  
  .brief-welcome__subtitle {
    font-size: 16px;
  }
  
  .brief-screen__header h2 {
    font-size: 22px;
  }
  
  .brief-field-row {
    flex-direction: column;
    gap: 16px;
  }
  
  .brief-dynamic-item .brief-field-row {
    flex-direction: column;
    gap: 12px;
  }
  
  .brief-review__item {
    flex-direction: column;
    gap: 2px;
  }
  
  .brief-review__label {
    min-width: auto;
    font-size: 12px;
  }
  
  .brief-nav {
    padding: 12px 16px;
  }
  
  .brief-nav__next {
    padding: 10px 20px;
    font-size: 14px;
  }
  
  .brief-chips {
    gap: 6px;
  }
  
  .brief-chip {
    padding: 8px 14px;
    font-size: 13px;
  }
  
  .brief-success__links {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .brief-welcome {
    padding: 20px 0;
  }
  
  .brief-welcome__benefits {
    margin-bottom: 32px;
  }
  
  .brief-benefit {
    padding: 12px 16px;
  }
  
  .brief-welcome__actions {
    flex-direction: column;
  }
  
  .brief-btn-start,
  .brief-btn-continue {
    width: 100%;
  }
}