/* login.css — flyonzbot login/register page styles */
:root {
  --dp-bg: #f0f2f7;
  --dp-surface: #ffffff;
  --dp-border: #e2e5ec;
  --dp-text: #1a1d26;
  --dp-muted: #6f7488;
  --dp-primary: #5b4bff;
  --dp-primary-hover: #4a3de6;
  --dp-primary-soft: #f0eeff;
  --dp-loss: #dc2626;
  --dp-loss-soft: #fef2f2;
  --dp-profit: #16a34a;
  --dp-profit-soft: #f0fdf4;
  --dp-radius: 14px;
  --dp-shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 24px rgba(0,0,0,.07);
  --dp-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: linear-gradient(135deg, #eef0f8 0%, #f5f3ff 40%, #ede9fe 100%);
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; color: var(--dp-text); padding: 16px;
}

/* Animated background shapes */
body::before, body::after {
  content: ""; position: fixed; border-radius: 50%;
  background: var(--dp-primary); opacity: .04; z-index: 0;
  animation: float 20s ease-in-out infinite;
}
body::before {
  width: 500px; height: 500px; top: -180px; left: -100px;
  animation-delay: 0s;
}
body::after {
  width: 400px; height: 400px; bottom: -120px; right: -80px;
  animation-delay: -10s; opacity: .06;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.login-card {
  position: relative; z-index: 1;
  background: var(--dp-surface);
  border: 1px solid var(--dp-border);
  border-radius: 20px;
  padding: 44px 40px;
  width: 100%; max-width: 420px;
  box-shadow: var(--dp-shadow);
  transition: transform var(--dp-transition);
}

/* Brand header */
.login-brand {
  display: flex; align-items: center; gap: 12px; margin-bottom: 6px;
}
.login-brand-mark {
  width: 44px; height: 44px; border-radius: 13px;
  background: linear-gradient(135deg, var(--dp-primary) 0%, #7c6fff 100%);
  color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(91,75,255,.3);
  transition: transform var(--dp-transition);
}
.login-brand-mark:hover { transform: scale(1.05); }
.login-brand h1 {
  font-size: 1.35rem; font-weight: 750; color: var(--dp-text);
  letter-spacing: -.02em;
}
.login-brand small {
  display: block; font-size: .72rem; color: var(--dp-muted);
  font-weight: 500; margin-top: 1px;
}

/* Tabs */
.tabs {
  display: flex; gap: 0; margin: 24px 0 28px;
  background: #f4f5f9; border-radius: 10px; padding: 4px;
}
.tab-btn {
  flex: 1; padding: 9px 0; border: none; background: transparent;
  font-size: .85rem; font-weight: 650; cursor: pointer;
  color: var(--dp-muted); border-radius: 8px;
  transition: all var(--dp-transition);
}
.tab-btn.active {
  background: #fff; color: var(--dp-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.tab-btn:hover:not(.active) { color: var(--dp-text); }

/* Form */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: .78rem; font-weight: 650;
  margin-bottom: 6px; color: var(--dp-text); letter-spacing: .01em;
}
.form-group .input-wrap {
  position: relative; display: flex; align-items: center;
}
.form-group input {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--dp-border);
  border-radius: 10px; font-size: .9rem; color: var(--dp-text);
  background: #fafbfc; transition: all var(--dp-transition);
  outline: none;
}
.form-group input:focus {
  border-color: var(--dp-primary);
  box-shadow: 0 0 0 4px rgba(91,75,255,.08);
  background: #fff;
}
.form-group input::placeholder { color: #b0b5c2; }
.form-group .input-icon {
  position: absolute; right: 12px; font-size: .95rem;
  pointer-events: none; opacity: .4;
}
.name-field { display: none; overflow: hidden; max-height: 0; transition: max-height .3s ease; }
.name-field.visible { display: block; max-height: 80px; }

/* Message banner */
.message {
  border-radius: 10px; padding: 11px 15px; font-size: .82rem; font-weight: 550;
  margin-bottom: 18px; display: none; align-items: center; gap: 8px;
  animation: slideIn .25s ease;
}
@keyframes slideIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
.message.error { background: var(--dp-loss-soft); color: var(--dp-loss); display: flex; }
.message.success { background: var(--dp-profit-soft); color: var(--dp-profit); display: flex; }

/* Submit button */
.submit-btn {
  width: 100%; padding: 12px; border: none;
  background: linear-gradient(135deg, var(--dp-primary) 0%, #6e5fff 100%);
  color: #fff; border-radius: 11px; font-size: .9rem; font-weight: 700;
  cursor: pointer; transition: all var(--dp-transition);
  box-shadow: 0 4px 14px rgba(91,75,255,.25);
  letter-spacing: .01em; position: relative; overflow: hidden;
}
.submit-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(91,75,255,.35); }
.submit-btn:active { transform: translateY(0); }
.submit-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; box-shadow: none; }

/* Loading spinner */
.spinner {
  display: none; width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.3);
  border-top-color: #fff; border-radius: 50%; animation: spin .6s linear infinite;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.submit-btn.loading .spinner { display: inline-block; }
.submit-btn.loading .btn-text { display: none; }

/* Footer */
.login-footer {
  text-align: center; margin-top: 22px; font-size: .72rem;
  color: var(--dp-muted); letter-spacing: .01em;
}
.login-footer span { opacity: .6; }

/* Password strength indicator */
.pw-strength { height: 3px; border-radius: 3px; margin-top: 6px; transition: all var(--dp-transition); background: #e5e7eb; }
.pw-strength-bar { height: 100%; border-radius: 3px; transition: width .3s, background .3s; }
.pw-strength-bar.weak { width: 25%; background: var(--dp-loss); }
.pw-strength-bar.fair { width: 50%; background: #f59e0b; }
.pw-strength-bar.good { width: 75%; background: #8b5cf6; }
.pw-strength-bar.strong { width: 100%; background: var(--dp-profit); }

@media (max-width: 480px) {
  .login-card { padding: 32px 24px; border-radius: 16px; }
}