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

:root {
  --violet-50:  #f5f3ff;
  --violet-100: #ede9fe;
  --violet-200: #ddd6fe;
  --violet-400: #a78bfa;
  --violet-500: #8b5cf6;
  --violet-600: #7c3aed;
  --violet-700: #6d28d9;
  --violet-900: #4c1d95;
  --fuchsia:    #c026d3;
  --gray-50:    #f9fafb;
  --gray-100:   #f3f4f6;
  --gray-200:   #e5e7eb;
  --gray-300:   #d1d5db;
  --gray-400:   #9ca3af;
  --gray-500:   #6b7280;
  --gray-600:   #4b5563;
  --gray-700:   #374151;
  --gray-800:   #1f2937;
  --gray-900:   #111827;
  --green-500:  #22c55e;
  --green-600:  #16a34a;
  --amber-500:  #f59e0b;
  --red-500:    #ef4444;
  --red-50:     #fef2f2;
  --white:      #ffffff;
  --grad: linear-gradient(135deg, var(--violet-600) 0%, var(--fuchsia) 100%);
}

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  background: var(--gray-50);
}

/* ── Layout ── */
.signin-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* ── Left panel ── */
.signin-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  padding: 48px 28px;
}

.signin-panel__inner {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Logo */
.signin-logo {
  display: inline-flex; align-items: center;
  text-decoration: none; margin-bottom: 44px;
}
.wordmark {
  font-family: 'Inter', sans-serif; font-size: 19px; font-weight: 800;
  color: var(--gray-900); letter-spacing: -0.5px;
}
.wordmark__guard {
  background: linear-gradient(135deg, var(--violet-600), var(--fuchsia));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* Heading */
.signin-heading {
  margin-bottom: 36px;
}
.signin-heading h1 {
  
  font-size: 32px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -1px;
  margin-bottom: 6px;
}
.signin-heading p {
  font-size: 15px;
  color: var(--gray-500);
}

/* Form */
.signin-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gray-700);
}

.forgot-link {
  font-size: 13px;
  color: var(--violet-600);
  text-decoration: none;
  font-weight: 500;
}
.forgot-link:hover { text-decoration: underline; }

.input-wrap {
  position: relative;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 10px;
  font-size: 15px;
  color: var(--gray-900);
  background: var(--white);
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.input-wrap input {
  padding-right: 44px;
}

input:focus {
  border-color: var(--violet-500);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

input::placeholder { color: var(--gray-300); }

.toggle-pw {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: -4px;
}
.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--violet-600);
  cursor: pointer;
}
.form-check label {
  font-size: 13.5px;
  color: var(--gray-600);
  font-weight: 400;
  cursor: pointer;
}

.form-error {
  display: none;
  font-size: 13.5px;
  color: var(--red-500);
  background: var(--red-50);
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 500;
}
.form-error.show { display: block; }

.signin-btn {
  width: 100%;
  padding: 13px;
  background: var(--grad);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  
  cursor: pointer;
  transition: opacity 0.18s, transform 0.18s, box-shadow 0.18s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}
.signin-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(124,58,237,0.35);
}
.signin-btn:disabled { opacity: 0.65; cursor: default; transform: none; }

.spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.signin-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0;
  color: var(--gray-300);
  font-size: 13px;
}
.signin-divider::before,
.signin-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-100);
}

.signin-no-account {
  text-align: center;
  font-size: 14px;
  color: var(--gray-500);
}
.signin-no-account a {
  color: var(--violet-600);
  font-weight: 600;
  text-decoration: none;
}
.signin-no-account a:hover { text-decoration: underline; }

/* ── Right visual panel ── */
.signin-visual {
  background: #09050f;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 48px;
  position: relative;
  overflow: hidden;
}

/* Grid texture */
.vis-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
}

.visual-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(90px);
  opacity: 0.28;
}
.visual-glow--1 {
  width: 560px; height: 560px;
  background: var(--violet-600);
  top: -180px; right: -120px;
}
.visual-glow--2 {
  width: 340px; height: 340px;
  background: var(--fuchsia);
  bottom: -80px; left: -60px;
}

.visual-content {
  position: relative;
  max-width: 400px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
}

/* Wordmark */
.vis-brand { margin-bottom: 28px; }
.wordmark--vis {
  font-size: 26px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.5px;
}

/* Headline */
.vis-headline {
  font-size: 42px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.vis-sub {
  font-size: 15px;
  color: rgba(255,255,255,.4);
  line-height: 1.65;
  margin-bottom: 44px;
  max-width: 320px;
}

/* Floating pills */
@keyframes float-a { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-9px)} }
@keyframes float-b { 0%,100%{transform:translateY(0)} 50%{transform:translateY(7px)} }
@keyframes float-c { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }
@keyframes float-d { 0%,100%{transform:translateY(0)} 50%{transform:translateY(10px)} }

.vis-pills {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.vis-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 100px;
  padding: 11px 20px 11px 11px;
  color: rgba(255,255,255,.8);
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(8px);
  transition: background .2s, border-color .2s;
}
.vis-pill:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.18);
}

.vis-pill--a { animation: float-a 4.2s ease-in-out infinite; }
.vis-pill--b { animation: float-b 5.1s ease-in-out infinite 0.4s; }
.vis-pill--c { animation: float-c 3.8s ease-in-out infinite 0.9s; }
.vis-pill--d { animation: float-d 4.7s ease-in-out infinite 0.2s; }

.vis-pill__icon {
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.vis-pill__icon--violet { background: rgba(124,58,237,.25); color: #a78bfa; }
.vis-pill__icon--fuchsia { background: rgba(192,38,211,.22); color: #e879f9; }
.vis-pill__icon--green   { background: rgba(34,197,94,.2); color: #4ade80; }
.vis-pill__icon--amber   { background: rgba(245,158,11,.2); color: #fbbf24; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .signin-layout { grid-template-columns: 1fr; }
  .signin-visual { display: none; }
  .signin-panel { padding: 40px 20px; }
}