/* ================================================================
   AUTH PAGES - LOGIN & REGISTER
   ================================================================ */

body {
  display: flex;
  flex-direction: column;
}

/* ================================================================
   MAIN - CENTERED CARD
   ================================================================ */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  position: relative;
  overflow: hidden;
}

main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 45% at 50% 0%, rgba(92,124,250,.08) 0%, transparent 65%);
  pointer-events: none;
}

/* ================================================================
   LOGIN/REGISTER CARD
   ================================================================ */
.login-card,
.register-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 1;
}

.register-card {
  max-width: 480px;
  padding: 36px 36px 32px;
}

.card-header {
  text-align: center;
  margin-bottom: 32px;
}

.register-card .card-header {
  margin-bottom: 28px;
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-dim);
  border: 1px solid rgba(92,124,250,.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 16px;
}

.register-card .card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  font-size: 24px;
  margin-bottom: 14px;
}

.card-header h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.4px;
  margin-bottom: 6px;
}

.register-card .card-header h1 {
  font-size: 21px;
  margin-bottom: 5px;
}

.card-header p {
  font-size: 14px;
  color: var(--text2);
}

.register-card .card-header p {
  font-size: 13px;
}

/* ================================================================
   HEADER FOR AUTH PAGES
   ================================================================ */
.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.header-right span {
  color: var(--text2);
}

.header-right a {
  color: var(--accent);
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--r);
  border: 1px solid rgba(92,124,250,.3);
  transition: background .15s, border-color .15s;
}

.header-right a:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* ================================================================
   FORM
   ================================================================ */
.form-group {
  margin-bottom: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group.full {
  grid-column: 1 / -1;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 7px;
  letter-spacing: .2px;
}

.register-card label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: .3px;
  text-transform: uppercase;
}

label .optional {
  font-size: 10px;
  font-weight: 500;
  color: var(--text2);
  opacity: .6;
  text-transform: none;
  letter-spacing: 0;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

input::placeholder {
  color: var(--text2);
  opacity: .7;
}

input.invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-dim);
}

input.valid {
  border-color: rgba(78,194,122,.5);
}

.form-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.remember {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text2);
  cursor: pointer;
}

input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
}

.register-card input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
}

.forgot-link {
  font-size: 13px;
  color: var(--accent);
  transition: color .15s;
}

.forgot-link:hover {
  color: var(--accent-hover);
}

.btn-submit {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .1px;
  transition: background .15s, transform .1s, box-shadow .15s;
  box-shadow: 0 4px 16px rgba(92,124,250,.25);
  font-family: inherit;
}

.register-card .btn-submit {
  padding: 13px;
  position: relative;
}

.btn-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(92,124,250,.35);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.btn-submit:hover:disabled {
  transform: none;
}

/* ================================================================
   ERROR / SUCCESS ALERT
   ================================================================ */
.alert {
  display: none;
  padding: 11px 14px;
  border-radius: var(--r);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 18px;
  align-items: center;
  gap: 8px;
}

.register-card .alert {
  align-items: flex-start;
  margin-bottom: 20px;
  line-height: 1.5;
}

.alert.error {
  background: var(--danger-dim);
  border: 1px solid rgba(240,62,62,.2);
  color: var(--danger);
}

.alert.success {
  background: var(--success-dim);
  border: 1px solid rgba(55,178,77,.2);
  color: var(--success);
}

.alert.visible {
  display: flex;
}

/* ================================================================
   DIVIDER + REGISTER/TERMS
   ================================================================ */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  color: var(--text2);
  font-size: 12px;
}

.register-card .divider {
  gap: 10px;
  margin: 4px 0 16px;
  font-size: 11px;
  letter-spacing: .3px;
  text-transform: uppercase;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.register-hint {
  text-align: center;
  font-size: 13px;
  color: var(--text2);
}

.register-hint a {
  color: var(--accent);
  font-weight: 600;
  transition: color .15s;
}

.register-hint a:hover {
  color: var(--accent-hover);
}

.terms {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 12px;
  color: var(--text2);
  margin-bottom: 20px;
  cursor: pointer;
  line-height: 1.5;
}

.terms a {
  color: var(--accent);
}

.terms a:hover {
  color: var(--accent-hover);
}

/* ================================================================
   PASSWORD FIELD WITH TOGGLE
   ================================================================ */
.pwd-wrap {
  position: relative;
}

.pwd-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text2);
  font-size: 15px;
  padding: 0;
  line-height: 1;
  transition: color .15s;
}

.pwd-toggle:hover {
  color: var(--text);
}

/* ================================================================
   FIELD ERROR
   ================================================================ */
.field-error {
  font-size: 11px;
  color: var(--danger);
  margin-top: 5px;
  min-height: 16px;
}

/* ================================================================
   PASSWORD STRENGTH INDICATOR
   ================================================================ */
.strength-bar {
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  margin-top: 7px;
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width .3s, background .3s;
}

.strength-label {
  font-size: 11px;
  color: var(--text2);
  margin-top: 4px;
  min-height: 16px;
}

/* ================================================================
   SPINNER IN BUTTON
   ================================================================ */
.btn-submit .spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin: 0 auto;
}

.btn-submit.loading .btn-label {
  display: none;
}

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

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

/* ================================================================
   SUCCESS STATE
   ================================================================ */
.success-panel {
  display: none;
  text-align: center;
  padding: 20px 0 8px;
}

.success-panel .check {
  font-size: 48px;
  margin-bottom: 16px;
}

.success-panel h2 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}

.success-panel p {
  color: var(--text2);
  font-size: 14px;
  margin-bottom: 24px;
}

.success-panel .btn-login-now {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r);
  font-weight: 700;
  font-size: 15px;
  transition: background .15s;
}

.success-panel .btn-login-now:hover {
  background: var(--accent-hover);
}

/* ================================================================
   FOOTER FOR AUTH PAGES
   ================================================================ */
footer {
  padding: 18px 32px;
  text-align: center;
  flex-shrink: 0;
}

footer p {
  font-size: 12px;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 480px) {
  .login-card {
    padding: 28px 20px;
  }
}

@media (max-width: 520px) {
  .register-card {
    padding: 24px 18px 22px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}