/* ═══════════════════════════════════
   SIGNUP.CSS — style aligné sur login.css / upload.css
═══════════════════════════════════ */
:root {
    --bg:        #121218;
    --bg-elev:   #1a1b22;
    --bg-soft:   #20212b;
    --surface:   #232431;
    --surface-2: #2b2d3c;
    --border:    #35374a;
    --divider:   #3c3f54;
    --text:      #e9e9f1;
    --text-dim:  #b8bbcc;
    --text-mute: #8f94a7;
    --accent:    #7c5cfc;
    --accent-2:  #9c86ff;
    --accent-3:  #c7bfff;
    --ok:        #3ccf91;
    --warn:      #f4bf4f;
    --err:       #ff6262;
    --radius:    12px;
    --radius-sm: 8px;
    --shadow-1:  0 6px 20px rgba(0,0,0,.25);
    --shadow-2:  0 12px 32px rgba(0,0,0,.35);
    --font-sans: 'Bricolage Grotesque', sans-serif;
    --font-mono: 'DM Mono', monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(124,92,252,.12), transparent 50%),
    radial-gradient(900px 600px at 15% 110%, rgba(60,207,145,.06), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

/* ═══════════════════════════════════
   PAGE
═══════════════════════════════════ */
.page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(24px, 4vw, 60px) clamp(16px, 4vw, 40px);
}

.signup-wrapper {
  width: 100%;
  max-width: 660px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: fadeUp .4s cubic-bezier(.4,0,.2,1) both;
}

/* Header */
.page-header {
  text-align: center;
  margin-bottom: 4px;
}

.page-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-2);
  background: rgba(124,92,252,.1);
  border: 1px solid rgba(124,92,252,.25);
  border-radius: 20px;
  padding: 4px 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-2);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.page-title {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 6px;
}

.page-sub {
  font-size: 13px;
  color: var(--text-dim);
}

/* ═══════════════════════════════════
   SIGNUP CARD
═══════════════════════════════════ */
.signup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  position: relative;
  padding: 24px;
}

.signup-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent) 25%,
    var(--accent-2) 50%,
    var(--accent) 75%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer-line 3s ease-in-out infinite;
}

/* Alert */
.alert-error {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  background: rgba(255,98,98,.09);
  border: 1px solid rgba(255,98,98,.22);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 16px;
  color: var(--err);
  animation: shake .35s ease;
}

.alert-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255,98,98,.1);
  border: 1px solid rgba(255,98,98,.18);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.alert-error strong {
  display: block;
  font-size: 13px;
  margin-bottom: 1px;
}

.alert-error span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: #ff9b9b;
  line-height: 1.6;
}

/* Hint */
.secure-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-mute);
  padding: 10px 12px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.secure-hint svg {
  color: var(--ok);
  flex-shrink: 0;
}

/* Form */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: .8px;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all .2s ease;
}

.input-wrap:hover {
  border-color: var(--divider);
}

.input-wrap:focus-within {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(124,92,252,.18);
}

.input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-mute);
  display: flex;
  align-items: center;
  pointer-events: none;
  transition: color .2s;
}

.input-wrap:focus-within .input-icon {
  color: var(--accent-2);
}

#id_username,
#id_email,
#id_password1,
#id_password2,
#id_access_code,
.signup-input {
  width: 100%;
  min-height: 44px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  padding: 11px 42px 11px 38px;
  font-family: var(--font-sans);
  font-size: 14px;
}

#id_username::placeholder,
#id_email::placeholder,
#id_password1::placeholder,
#id_password2::placeholder,
#id_access_code::placeholder,
.signup-input::placeholder {
  color: var(--text-mute);
}

#id_username:-webkit-autofill,
#id_email:-webkit-autofill,
#id_password1:-webkit-autofill,
#id_password2:-webkit-autofill,
#id_access_code:-webkit-autofill {
  -webkit-text-fill-color: var(--text);
  box-shadow: 0 0 0 1000px var(--bg-soft) inset;
  transition: background-color 9999s ease-in-out 0s;
}

.input-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  cursor: pointer;
  border-radius: 6px;
  transition: all .15s;
}

.input-toggle:hover {
  color: var(--accent-3);
  background: rgba(124,92,252,.08);
}

/* Field errors */
.field-error {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.5;
  color: var(--err);
}

/* Django default ul.errorlist fallback */
.errorlist {
  list-style: none;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.5;
  color: var(--err);
}

.errorlist li + li {
  margin-top: 3px;
}

/* Caps lock */
.caps-warn {
  display: none;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--warn);
}

.caps-warn.show {
  display: flex;
}

/* Captcha */
.captcha-wrap {
  margin: 2px 0 16px;
  padding: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.h-captcha {
  max-width: 100%;
  overflow: hidden;
}

/* Submit */
.submit-wrap {
  padding-top: 2px;
}

.btn-submit {
  width: 100%;
  padding: 13px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.2px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(124,92,252,.4);
  transition: all .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.1), transparent);
  opacity: 0;
  transition: opacity .2s;
}

.btn-submit:hover:not(:disabled) {
  box-shadow: 0 8px 28px rgba(124,92,252,.55);
  transform: translateY(-1px);
}

.btn-submit:hover:not(:disabled)::after {
  opacity: 1;
}

.btn-submit:active:not(:disabled) {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: .75;
  cursor: not-allowed;
}

.btn-spinner {
  display: none;
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

.btn-submit.loading .btn-spinner {
  display: block;
}

.btn-submit.loading .btn-text {
  opacity: .7;
}

/* Disclaimer */
.disclaimer {
  padding: 14px 0 0;
  margin-top: 12px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-mute);
  line-height: 1.7;
  display: flex;
  align-items: flex-start;
  gap: 7px;
}

.disclaimer svg {
  flex-shrink: 0;
  margin-top: 1px;
}

.disclaimer a {
  color: var(--accent-2);
  text-decoration: none;
}

.disclaimer a:hover {
  text-decoration: underline;
}

/* Footer */
.login-footer {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}

.login-footer a {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 500;
}

.login-footer a:hover {
  color: var(--accent-3);
  text-decoration: underline;
}

/* Compat si anciens blocs encore présents */
.login-container,
.login-card,
.login-header,
.login-badge,
.login-title,
.login-subtitle,
.twofa-hint,
.brand-footer {
  all: unset;
}

/* ═══════════════════════════════════
   ANIMATIONS
═══════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%,100% { opacity: 1; }
  50%     { opacity: .3; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer-line {
  0%,100% { background-position: 0% 0; opacity: .6; }
  50%     { background-position: 100% 0; opacity: 1; }
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  25%     { transform: translateX(-5px); }
  75%     { transform: translateX(5px); }
}

/* ═══════════════════════════════════
   RESPONSIVE
═══════════════════════════════════ */
@media (max-width: 640px) {
  .page {
    padding: 16px;
  }

  .signup-card {
    padding: 20px;
  }
}

@media (max-width: 420px) {
  .page-title {
    font-size: 25px;
  }

  .page-sub {
    font-size: 12px;
  }

  .secure-hint,
  .disclaimer {
    font-size: 9.5px;
  }

  .captcha-wrap {
    padding: 8px;
  }
}