/* ===========================
   CSS VARIABLES & RESET
=========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: rgba(0, 0, 0, 0.35);
  --accent: #a78bfa;
  --accent2: #60a5fa;
  --accent3: #f472b6;
  --text-main: #f1f5f9;
  --text-sub: #94a3b8;
  --input-bg: rgba(255, 255, 255, 0.07);
  --input-border: rgba(255, 255, 255, 0.12);
  --input-focus: rgba(167, 139, 250, 0.5);
  --error: #f87171;
  --success: #34d399;
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
}

html,
body {
  height: 100%;
  width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  background: #0a0a1a;
  color: var(--text-main);
  overflow-x: hidden;
  position: relative;
}

/* ===========================
   ANIMATED BACKGROUND BLOBS
=========================== */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  animation: floatBlob 12s ease-in-out infinite alternate;
  z-index: 0;
  pointer-events: none;
}

.blob1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #7c3aed, #4f46e5);
  top: -120px;
  left: -100px;
  animation-delay: 0s;
}

.blob2 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, #ec4899, #f43f5e);
  bottom: -100px;
  right: -80px;
  animation-delay: 3s;
}

.blob3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #0ea5e9, #06b6d4);
  bottom: 50px;
  left: 30%;
  animation-delay: 6s;
}

@keyframes floatBlob {
  0% {
    transform: scale(1) translate(0, 0);
  }
  50% {
    transform: scale(1.1) translate(20px, -30px);
  }
  100% {
    transform: scale(0.95) translate(-20px, 20px);
  }
}

/* ===========================
   MAIN WRAPPER
=========================== */
.wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(960px, 95vw);
  min-height: 580px;
  border-radius: 28px;
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid var(--glass-border);
  box-shadow:
    0 32px 80px var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  animation: fadeSlideUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ===========================
   LEFT PANEL
=========================== */
.left-panel {
  width: 38%;
  padding: 48px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(
    145deg,
    rgba(124, 58, 237, 0.3),
    rgba(59, 130, 246, 0.15)
  );
  border-right: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.left-panel::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  background: radial-gradient(
    circle,
    rgba(167, 139, 250, 0.25),
    transparent 70%
  );
  top: -60px;
  right: -60px;
  border-radius: 50%;
  pointer-events: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  font-size: 28px;
  color: var(--accent);
  background: rgba(167, 139, 250, 0.15);
  padding: 6px;
  border-radius: 10px;
  border: 1px solid rgba(167, 139, 250, 0.3);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.left-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 0;
}

.left-content h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.left-content h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.left-content p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 28px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 10px 14px;
  backdrop-filter: blur(6px);
  transition: background 0.3s;
}

.feature-item:hover {
  background: rgba(167, 139, 250, 0.12);
  border-color: rgba(167, 139, 250, 0.3);
}

.feature-item .material-icons-round {
  font-size: 18px;
  color: var(--accent);
}

.already-member {
  font-size: 13px;
  color: var(--text-sub);
  text-align: center;
}

.already-member a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

.already-member a:hover {
  color: var(--accent3);
}

/* ===========================
   FORM PANEL
=========================== */
.form-panel {
  flex: 1;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
}

.form-panel h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.form-sub {
  font-size: 13.5px;
  color: var(--text-sub);
  margin-bottom: 28px;
}

/* ===========================
   FORM ROWS & GROUPS
=========================== */
form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row.single {
  grid-template-columns: 1fr;
}

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

label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-sub);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ===========================
   INPUT BOX
=========================== */
.input-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 12px;
  padding: 0 14px;
  height: 48px;
  transition:
    border-color 0.3s,
    box-shadow 0.3s,
    background 0.3s;
}

.input-box:focus-within {
  border-color: var(--input-focus);
  background: rgba(167, 139, 250, 0.08);
  box-shadow:
    0 0 0 3px rgba(167, 139, 250, 0.12),
    0 4px 20px rgba(167, 139, 250, 0.1);
}

.input-box .material-icons-round {
  font-size: 18px;
  color: var(--text-sub);
  flex-shrink: 0;
  transition: color 0.3s;
}

.input-box:focus-within .material-icons-round:first-child {
  color: var(--accent);
}

.input-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-main);
  font-weight: 400;
}

.input-box input::placeholder {
  color: rgba(148, 163, 184, 0.45);
}

.toggle-pass {
  cursor: pointer;
  font-size: 18px !important;
  color: var(--text-sub) !important;
  transition: color 0.2s;
  user-select: none;
}

.toggle-pass:hover {
  color: var(--accent) !important;
}

/* ===========================
   ERROR MESSAGES
=========================== */
.error-msg {
  font-size: 11.5px;
  color: var(--error);
  min-height: 16px;
  padding-left: 4px;
  display: block;
  animation: fadeIn 0.2s ease;
}

.input-box.error-state {
  border-color: rgba(248, 113, 113, 0.5);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1);
}

.input-box.success-state {
  border-color: rgba(52, 211, 153, 0.4);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===========================
   TERMS CHECKBOX
=========================== */
.terms-group {
  margin-top: -4px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-sub);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  line-height: 1.5;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.custom-check {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--input-border);
  background: var(--input-bg);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked + .custom-check {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.5);
}

.checkbox-label input[type="checkbox"]:checked + .custom-check::after {
  content: "";
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}

.checkbox-label a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.checkbox-label a:hover {
  color: var(--accent3);
}

/* ===========================
   SUBMIT BUTTON
=========================== */
.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 52px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  color: #fff;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition:
    transform 0.2s,
    box-shadow 0.3s;
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.4);
  margin-top: 4px;
}

.submit-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #9f67fa, #6366f1);
  opacity: 0;
  transition: opacity 0.3s;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.55);
}

.submit-btn:hover::before {
  opacity: 1;
}

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

.submit-btn span,
.submit-btn .material-icons-round {
  position: relative;
  z-index: 1;
}

.submit-btn .material-icons-round {
  font-size: 20px;
  transition: transform 0.3s;
}

.submit-btn:hover .material-icons-round {
  transform: translateX(4px);
}

/* ===========================
   SUCCESS STATE
=========================== */
.submit-btn.success-state {
  background: linear-gradient(135deg, #059669, #10b981);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 680px) {
  .wrapper {
    flex-direction: column;
    width: 96vw;
    min-height: unset;
    border-radius: 20px;
  }

  .left-panel {
    width: 100%;
    padding: 32px 28px;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
  }

  .left-content h1 {
    font-size: 28px;
  }
  .feature-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }
  .feature-item {
    font-size: 12px;
    padding: 8px 10px;
  }

  .form-panel {
    padding: 32px 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 400px) {
  .form-panel {
    padding: 24px 18px;
  }
  .left-panel {
    padding: 24px 18px;
  }
}