/* ============================================================================
   CLIENT CSS — Propulse WEB
   Styles spécifiques au formulaire client (brief)
   ============================================================================ */

/* ============================================================================
   1. LOGIN PAGE
   ============================================================================ */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-4);
  background: linear-gradient(135deg, var(--color-bg-light), var(--color-bg-base));
}

.login-page__card {
  width: 100%;
  max-width: 440px;
  padding: var(--spacing-8);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.login-page__logo {
  display: block;
  height: auto;
  max-height: 48px;
  margin: 0 auto var(--spacing-6);
}

.login-page__mascotte {
  display: block;
  height: auto;
  max-height: 200px;
  width: 100%;
  object-fit: contain;
  margin: 0 auto var(--spacing-6);
}

.login-page__title {
  text-align: center;
  margin-bottom: var(--spacing-6);
  color: var(--color-text-primary);
}

.login-page__form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.login-page__input {
  width: 100%;
}

.login-page__button {
  width: 100%;
}

/* ============================================================================
   2. HEADER FIXE
   ============================================================================ */

.brief-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  padding: 0 var(--spacing-6);
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.brief-header__logo {
  height: auto;
  max-height: 32px;
  display: block;
}

.brief-header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.brief-header__save {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--text-sm);
}

/* ============================================================================
   3. STEPS BAR
   ============================================================================ */

.brief-steps {
  margin-top: 64px;
  padding: var(--spacing-6);
  background: var(--color-card-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
}

.brief-steps__container {
  width: 100%;
  max-width: 720px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
}

.brief-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  flex: 1;
  position: relative;
}

.brief-step__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-light);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.brief-step--active .brief-step__number {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.brief-step--completed .brief-step__number {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.brief-step__label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-align: center;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.brief-step--active .brief-step__label {
  color: var(--color-text-primary);
  font-weight: 600;
}

.brief-step__line {
  position: absolute;
  top: 20px;
  left: 50%;
  width: calc(100% - 40px);
  height: 2px;
  background: var(--color-border);
  z-index: -1;
}

.brief-step--completed .brief-step__line {
  background: var(--color-success);
}

.brief-step:first-child .brief-step__line {
  display: none;
}

/* ============================================================================
   4. FORM CONTAINER
   ============================================================================ */

.brief-form {
  margin: var(--spacing-8) auto;
  max-width: 720px;
  padding: 0 var(--spacing-4);
}

.brief-form__card {
  padding: var(--spacing-8);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.brief-form__section {
  margin-bottom: var(--spacing-8);
}

.brief-form__section:last-child {
  margin-bottom: 0;
}

.brief-form__question {
  margin-bottom: var(--spacing-6);
}

.brief-form__question:last-child {
  margin-bottom: 0;
}

.brief-form__label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: 600;
  color: var(--color-text-primary);
}

.brief-form__label-required {
  color: var(--color-error);
}

.brief-form__helper {
  display: block;
  margin-top: var(--spacing-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ============================================================================
   5. NAVIGATION ÉTAPES
   ============================================================================ */

.brief-nav {
  margin-top: var(--spacing-8);
  margin-bottom: var(--spacing-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
}

.brief-nav__prev {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--text-sm);
}

.brief-nav__prev:disabled {
  visibility: hidden;
}

.brief-nav__next {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--text-sm);
}

.brief-nav__next--submit {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  position: relative;
  overflow: hidden;
}

.brief-nav__next--submit::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-base), height var(--transition-base);
}

.brief-nav__next--submit:hover::before {
  width: 300px;
  height: 300px;
}

.brief-nav__next--submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================================
   6. STEP INTRO
   ============================================================================ */

.step-intro {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
  padding-bottom: var(--spacing-8);
  border-bottom: 1px solid var(--color-border);
}

.step-intro__mascotte {
  flex-shrink: 0;
  height: auto;
  max-height: 120px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
}

.step-intro__content {
  flex: 1;
}

.step-intro__title {
  margin-bottom: var(--spacing-2);
  color: var(--color-text-primary);
}

.step-intro__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================================================
   7. UPLOAD SECTION
   ============================================================================ */

.upload-section {
  margin-bottom: var(--spacing-8);
}

.upload-section__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.upload-item {
  background: var(--color-bg-light);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  transition: all var(--transition-base);
}

.upload-item:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-lighter);
}

.upload-item--has-image {
  border-style: solid;
  border-color: var(--color-success);
  background: transparent;
}

.upload-item__preview {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-3);
  display: none;
}

.upload-item--has-image .upload-item__preview {
  display: block;
}

.upload-item__input {
  display: none;
}

.upload-item__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
}

.upload-item--has-image .upload-item__placeholder {
  display: none;
}

.upload-item__icon {
  width: 32px;
  height: 32px;
  margin-bottom: var(--spacing-2);
  opacity: 0.5;
}

.upload-item__note {
  width: 100%;
  margin-bottom: var(--spacing-2);
  padding: var(--spacing-2);
  font-size: var(--text-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  resize: vertical;
  min-height: 60px;
  background: var(--color-card-bg);
  color: var(--color-text-primary);
}

.upload-item__delete {
  width: 100%;
  padding: var(--spacing-2);
  font-size: var(--text-xs);
  background: transparent;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.upload-item__delete:hover {
  background: var(--color-error);
  color: white;
}

/* ============================================================================
   8. RÉCAPITULATIF
   ============================================================================ */

.recap-section {
  margin-bottom: var(--spacing-6);
}

.recap-section:last-child {
  margin-bottom: 0;
}

.recap-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px solid var(--color-border);
}

.recap-section__title {
  font-weight: 600;
  color: var(--color-text-primary);
}

.recap-section__edit {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--text-xs);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.recap-section__edit:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.recap-section__items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.recap-item {
  padding: var(--spacing-3);
  background: var(--color-bg-light);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
}

.recap-item__question {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.recap-item__answer {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.6;
}

/* ============================================================================
   9. SUCCESS SCREEN
   ============================================================================ */

.success-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-4);
  text-align: center;
}

.success-screen__mascotte {
  height: auto;
  max-height: 250px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--spacing-6);
  animation: pulse-zoom 2s ease-in-out infinite;
}

.success-screen__title {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: var(--color-success);
  animation: pulse 2s ease-in-out infinite;
}

.success-screen__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
  max-width: 560px;
}

.success-screen__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.success-screen__button {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--text-sm);
  min-width: 200px;
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes pulse-zoom {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* ============================================================================
   RESPONSIVE — TABLET (640px - 1023px)
   ============================================================================ */

@media (max-width: 1023px) {
  .upload-section__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .brief-form {
    padding: 0 var(--spacing-3);
  }

  .brief-form__card {
    padding: var(--spacing-6);
  }

  .step-intro__mascotte {
    max-height: 100px;
    max-width: 100px;
  }
}

/* ============================================================================
   RESPONSIVE — MOBILE (< 640px)
   ============================================================================ */

@media (max-width: 639px) {
  .brief-header {
    padding: 0 var(--spacing-4);
    height: 56px;
  }

  .brief-header__logo {
    max-height: 24px;
  }

  .brief-steps {
    margin-top: 56px;
    padding: var(--spacing-4);
  }

  .brief-steps__container {
    gap: var(--spacing-2);
  }

  .brief-step__label {
    font-size: var(--text-2xs);
  }

  .brief-form {
    margin: var(--spacing-4) auto;
    padding: 0 var(--spacing-3);
  }

  .brief-form__card {
    padding: var(--spacing-4);
  }

  .brief-nav {
    flex-direction: column;
    margin-bottom: var(--spacing-4);
  }

  .brief-nav__prev,
  .brief-nav__next {
    width: 100%;
  }

  .step-intro {
    flex-direction: column;
    gap: var(--spacing-4);
  }

  .step-intro__mascotte {
    display: none;
  }

  .step-intro__content {
    text-align: center;
  }

  .upload-section__grid {
    grid-template-columns: 1fr;
  }

  .success-screen__mascotte {
    max-height: 180px;
  }

  .success-screen__title {
    font-size: var(--text-2xl);
  }

  .success-screen__description {
    font-size: var(--text-base);
  }

  .login-page__card {
    padding: var(--spacing-6);
  }

  .login-page__mascotte {
    max-height: 160px;
  }

  .brief-header__save {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--text-xs);
  }
}

/* ============================================================================
   TRÈS PETIT MOBILE (< 480px)
   ============================================================================ */

@media (max-width: 479px) {
  .brief-form__card {
    padding: var(--spacing-3);
  }

  .brief-form__section {
    margin-bottom: var(--spacing-6);
  }

  .login-page__card {
    padding: var(--spacing-4);
  }

  .success-screen__button {
    min-width: auto;
  }
}