/* ============================================================
   OTP Auth Plugin — Stylesheet
   Design: Deep space dark theme with glass morphism
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --oa-bg:          #0d0f1a;
  --oa-card-bg:     rgba(255,255,255,0.04);
  --oa-card-border: rgba(255,255,255,0.09);
  --oa-glass:       rgba(255,255,255,0.06);
  --oa-accent:      #6C63FF;
  --oa-accent-2:    #3ECFCF;
  --oa-accent-grad: linear-gradient(135deg, #6C63FF 0%, #3ECFCF 100%);
  --oa-text:        #e8eaf0;
  --oa-muted:       #8890a8;
  --oa-border:      rgba(255,255,255,0.12);
  --oa-input-bg:    rgba(255,255,255,0.06);
  --oa-input-focus: rgba(108,99,255,0.25);
  --oa-success:     #00d68f;
  --oa-error:       #ff6b6b;
  --oa-warning:     #ffd166;
  --oa-font:        'Sora', sans-serif;
  --oa-mono:        'Space Mono', monospace;
  --oa-radius:      16px;
  --oa-radius-sm:   10px;
  --oa-shadow:      0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
  --oa-transition:  0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ---------- Reset & Wrapper ---------- */
.otp-auth-wrapper *,
.otp-auth-wrapper *::before,
.otp-auth-wrapper *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.otp-auth-wrapper {
  font-family: var(--oa-font);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--oa-bg);
  padding: 32px 16px;
  position: relative;
  overflow: hidden;
}

/* ---------- Background Orbs ---------- */
.otp-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: otp-float 10s ease-in-out infinite alternate;
}
.otp-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(108,99,255,0.18) 0%, transparent 70%);
  top: -100px; left: -100px;
  animation-duration: 12s;
}
.otp-orb-2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(62,207,207,0.14) 0%, transparent 70%);
  bottom: -80px; right: -80px;
  animation-duration: 9s; animation-delay: 2s;
}
.otp-orb-3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(255,107,107,0.08) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
  animation-duration: 15s; animation-delay: 4s;
}

@keyframes otp-float {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(20px,20px) scale(1.05); }
}

/* ---------- Card ---------- */
.otp-auth-card {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 460px;
  background: var(--oa-card-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--oa-card-border);
  border-radius: var(--oa-radius);
  box-shadow: var(--oa-shadow);
  padding: 40px 36px 32px;
  animation: otp-card-in 0.5s cubic-bezier(0.34,1.4,0.64,1) both;
}

@keyframes otp-card-in {
  from { opacity: 0; transform: translateY(28px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- Brand ---------- */
.otp-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}
.otp-brand-icon svg {
  width: 40px; height: 40px; display: block;
}
.otp-brand-text {
  display: flex;
  flex-direction: column;
}
.otp-brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--oa-text);
  letter-spacing: -0.01em;
}
.otp-brand-tagline {
  font-size: 0.7rem;
  color: var(--oa-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Tabs ---------- */
.otp-tabs {
  display: flex;
  position: relative;
  background: rgba(255,255,255,0.05);
  border-radius: var(--oa-radius-sm);
  padding: 4px;
  margin-bottom: 28px;
  border: 1px solid var(--oa-border);
}
.otp-tab {
  flex: 1;
  padding: 10px 0;
  background: none;
  border: none;
  color: var(--oa-muted);
  font-family: var(--oa-font);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 8px;
  transition: color var(--oa-transition);
  position: relative;
  z-index: 2;
}
.otp-tab.active {
  color: var(--oa-text);
}
.otp-tab-indicator {
  position: absolute;
  top: 4px; bottom: 4px; left: 4px;
  width: calc(50% - 4px);
  background: var(--oa-accent-grad);
  border-radius: 7px;
  transition: transform var(--oa-transition);
  z-index: 1;
  box-shadow: 0 4px 16px rgba(108,99,255,0.4);
}
.otp-tabs.register-active .otp-tab-indicator {
  transform: translateX(100%);
}

/* ---------- Panels ---------- */
.otp-panel {
  display: none;
  animation: otp-fade-up 0.3s ease both;
}
.otp-panel.active {
  display: block;
}
@keyframes otp-fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Method Tabs (inside Login) ---------- */
.otp-method-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.otp-method-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px;
  background: var(--oa-input-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius-sm);
  color: var(--oa-muted);
  font-family: var(--oa-font);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--oa-transition);
}
.otp-method-tab svg { width: 16px; height: 16px; }
.otp-method-tab.active {
  background: var(--oa-input-focus);
  border-color: var(--oa-accent);
  color: var(--oa-text);
}
.otp-method-tab:hover:not(.active) {
  border-color: rgba(255,255,255,0.2);
  color: var(--oa-text);
}

/* ---------- Method Panels ---------- */
.otp-method-panel { display: none; }
.otp-method-panel.active { display: block; animation: otp-fade-up 0.3s ease both; }

/* ---------- Subtitle ---------- */
.otp-subtitle {
  font-size: 0.82rem;
  color: var(--oa-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* ---------- Field Groups ---------- */
.otp-field-group {
  margin-bottom: 18px;
}
.otp-field-group.hidden { display: none !important; }

.otp-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--oa-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 8px;
}

/* ---------- Inputs ---------- */
.otp-input {
  width: 100%;
  background: var(--oa-input-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius-sm);
  padding: 12px 14px;
  font-family: var(--oa-font);
  font-size: 0.9rem;
  color: var(--oa-text);
  outline: none;
  transition: all var(--oa-transition);
}
.otp-input::placeholder { color: var(--oa-muted); opacity: 0.6; }
.otp-input:focus {
  border-color: var(--oa-accent);
  background: var(--oa-input-focus);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}

/* Input with icon */
.otp-input-wrap { position: relative; }
.otp-input-icon {
  position: absolute;
  left: 13px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--oa-muted);
  pointer-events: none;
}
.otp-input-icon-pad { padding-left: 38px; }

/* Password toggle */
.otp-pw-toggle {
  position: absolute;
  right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  color: var(--oa-muted);
  display: flex; align-items: center;
  transition: color var(--oa-transition);
}
.otp-pw-toggle:hover { color: var(--oa-text); }
.otp-pw-toggle svg { width: 16px; height: 16px; }

/* ---------- Phone Row ---------- */
.otp-phone-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.otp-country-code {
  background: var(--oa-input-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius-sm);
  padding: 12px 8px;
  font-family: var(--oa-font);
  font-size: 0.85rem;
  color: var(--oa-text);
  outline: none;
  cursor: pointer;
  width: 110px;
  flex-shrink: 0;
  transition: border-color var(--oa-transition);
}
.otp-country-code:focus { border-color: var(--oa-accent); }
.otp-country-code option { background: #1a1c2e; }

/* ---------- OTP Digits Row ---------- */
.otp-digits-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.otp-digit {
  flex: 1;
  background: var(--oa-input-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius-sm);
  padding: 14px 0;
  text-align: center;
  font-family: var(--oa-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--oa-text);
  outline: none;
  transition: all var(--oa-transition);
}
.otp-digit:focus {
  border-color: var(--oa-accent);
  background: var(--oa-input-focus);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
  transform: scale(1.05);
}
.otp-digit.filled {
  border-color: var(--oa-accent-2);
  color: var(--oa-accent-2);
}
.otp-digit.shake {
  animation: otp-shake 0.4s ease;
  border-color: var(--oa-error);
}
@keyframes otp-shake {
  0%,100% { transform: translateX(0); }
  20%,60%  { transform: translateX(-4px); }
  40%,80%  { transform: translateX(4px); }
}

/* ---------- Resend Row ---------- */
.otp-resend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.otp-timer {
  font-size: 0.78rem;
  color: var(--oa-muted);
}
.otp-timer b { color: var(--oa-accent-2); }
.otp-resend {
  background: none;
  border: none;
  font-family: var(--oa-font);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--oa-accent);
  cursor: pointer;
  text-decoration: underline;
  transition: opacity var(--oa-transition);
}
.otp-resend:hover { opacity: 0.8; }

/* ---------- Verify Badge ---------- */
.otp-verify-badge {
  display: none;
  background: rgba(0,214,143,0.15);
  color: var(--oa-success);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid rgba(0,214,143,0.3);
  letter-spacing: 0.03em;
  text-transform: none;
}
.otp-verify-badge.visible { display: inline-flex; }

/* ---------- Buttons ---------- */
.otp-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--oa-radius-sm);
  font-family: var(--oa-font);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--oa-transition);
  position: relative;
  overflow: hidden;
  margin-top: 4px;
}
.otp-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--oa-transition);
}
.otp-btn:hover::after { background: rgba(255,255,255,0.07); }
.otp-btn:active { transform: scale(0.98); }

.otp-btn-primary {
  background: var(--oa-accent-grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(108,99,255,0.35);
}
.otp-btn-primary:hover { box-shadow: 0 12px 32px rgba(108,99,255,0.5); }
.otp-btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.otp-btn-outline {
  background: transparent;
  border: 1px solid var(--oa-accent);
  color: var(--oa-accent);
}
.otp-btn-outline:hover { background: rgba(108,99,255,0.1); }

.otp-btn-verify {
  border-color: var(--oa-accent-2);
  color: var(--oa-accent-2);
}
.otp-btn-verify:hover { background: rgba(62,207,207,0.1); }

.otp-btn-link {
  background: none;
  border: none;
  font-family: var(--oa-font);
  font-size: 0.8rem;
  color: var(--oa-muted);
  cursor: pointer;
  text-align: center;
  width: 100%;
  margin-top: 8px;
  padding: 4px;
  transition: color var(--oa-transition);
}
.otp-btn-link:hover { color: var(--oa-text); }

/* Loader spinner inside button */
.btn-loader {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: otp-spin 0.7s linear infinite;
}
@keyframes otp-spin {
  to { transform: rotate(360deg); }
}

/* ---------- Two-column ---------- */
.otp-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* ---------- Misc ---------- */
.otp-forgot-row {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 14px;
  margin-top: -6px;
}
.otp-forgot-link {
  font-size: 0.78rem;
  color: var(--oa-muted);
  text-decoration: none;
  transition: color var(--oa-transition);
}
.otp-forgot-link:hover { color: var(--oa-accent); }

.otp-terms {
  font-size: 0.72rem;
  color: var(--oa-muted);
  text-align: center;
  margin-top: 14px;
  line-height: 1.6;
}
.otp-terms a {
  color: var(--oa-accent);
  text-decoration: none;
}

/* ---------- Message ---------- */
.otp-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--oa-radius-sm);
  font-size: 0.83rem;
  font-weight: 500;
  display: none;
  animation: otp-fade-up 0.3s ease;
}
.otp-message.success {
  display: block;
  background: rgba(0,214,143,0.1);
  border: 1px solid rgba(0,214,143,0.3);
  color: var(--oa-success);
}
.otp-message.error {
  display: block;
  background: rgba(255,107,107,0.1);
  border: 1px solid rgba(255,107,107,0.3);
  color: var(--oa-error);
}
.otp-message.info {
  display: block;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.3);
  color: #a9a3ff;
}

/* ---------- Already logged in ---------- */
.otp-auth-already-in {
  padding: 24px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--oa-radius);
  border: 1px solid var(--oa-border);
  text-align: center;
  font-family: var(--oa-font);
  color: var(--oa-text);
}
.otp-auth-already-in a { color: var(--oa-accent); }

/* ---------- Utility ---------- */
.hidden { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 520px) {
  .otp-auth-card { padding: 28px 20px 24px; }
  .otp-two-col { grid-template-columns: 1fr; gap: 0; }
  .otp-digits-row { gap: 5px; }
  .otp-digit { padding: 12px 0; font-size: 1rem; }
}