/* ===========================================================
   MARP IA — Next-Gen Login Page
   Inspired by modern AI platforms (mesh gradients, glass, depth)
   =========================================================== */

:root {
  --bg-deep: #030712;
  --bg-surface: #0f172a;
  --primary: #6366f1;
  --primary-light: #818cf8;
  --accent: #06b6d4;
  --accent-warm: #f59e0b;
  --success: #10b981;
  --text: #f8fafc;
  --text-secondary: #94a3b8;
  --text-dim: #64748b;
  --glass-bg: rgba(15, 23, 42, 0.65);
  --glass-border: rgba(99, 102, 241, 0.2);
  --glass-border-hover: rgba(99, 102, 241, 0.5);
  --radius: 24px;
  --radius-sm: 14px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  height: 100%;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-deep);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===========================================================
   Animated Mesh Background
   =========================================================== */
.mesh-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 120%, rgba(99, 102, 241, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 0% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    var(--bg-deep);
}

.mesh-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  will-change: transform;
}

.mesh-orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.4), transparent 70%);
  top: -10%; left: -10%;
  animation: orbit1 20s ease-in-out infinite;
}
.mesh-orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.35), transparent 70%);
  bottom: -15%; right: -5%;
  animation: orbit2 25s ease-in-out infinite;
}
.mesh-orb--3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3), transparent 70%);
  top: 40%; left: 50%;
  animation: orbit3 18s ease-in-out infinite;
}
.mesh-orb--4 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.2), transparent 70%);
  top: 20%; right: 25%;
  animation: orbit4 22s ease-in-out infinite;
}

@keyframes orbit1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(80px, 50px) scale(1.1); }
  66% { transform: translate(-30px, 80px) scale(0.95); }
}
@keyframes orbit2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-60px, -40px) scale(1.05); }
  66% { transform: translate(40px, -60px) scale(0.9); }
}
@keyframes orbit3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-100px, 60px) scale(1.15); }
}
@keyframes orbit4 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, -50px) scale(1.1); }
}

/* ===========================================================
   Canvas (neural particles)
   =========================================================== */
#neural-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
}

/* ===========================================================
   Grid pattern overlay
   =========================================================== */
.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ===========================================================
   Stars
   =========================================================== */
.stars {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.star {
  position: absolute;
  width: 2px; height: 2px;
  background: #fff;
  border-radius: 50%;
  animation: twinkle var(--dur, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
  opacity: 0;
}
@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 0.9; transform: scale(1.2); }
}

/* ===========================================================
   Layout
   =========================================================== */
.page {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  min-height: 100dvh;
}

/* Left side — hero / branding */
.hero-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px;
  position: relative;
}

.hero-content {
  max-width: 480px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 32px;
  animation: fade-in 0.8s var(--transition) 0.2s both;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fade-up 0.8s var(--transition) 0.4s both;
}
.hero-title .gradient {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 50%, var(--accent-warm) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 6s ease-in-out infinite;
}

.hero-description {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 40px;
  animation: fade-up 0.8s var(--transition) 0.6s both;
}

/* Feature chips */
.features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  animation: fade-up 0.8s var(--transition) 0.8s both;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  font-size: 12px;
  color: var(--text-secondary);
  transition: all 0.3s var(--transition);
}
.chip:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--glass-border-hover);
  color: var(--text);
  transform: translateY(-2px);
}
.chip svg {
  width: 14px; height: 14px;
  color: var(--primary-light);
}

/* ===========================================================
   Right side — Login Card
   =========================================================== */
.login-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  position: relative;
}

.login-card {
  position: relative;
  width: min(440px, 100%);
  padding: 44px 40px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 32px 64px -12px rgba(0, 0, 0, 0.6),
    0 0 80px -20px rgba(99, 102, 241, 0.15);
  animation: card-appear 1s var(--transition) 0.3s both;
  overflow: hidden;
}

/* Glow border effect */
.login-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(135deg,
    rgba(99, 102, 241, 0.4),
    transparent 40%,
    transparent 60%,
    rgba(6, 182, 212, 0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  animation: border-rotate 8s linear infinite;
}

@keyframes border-rotate {
  0% { background: linear-gradient(0deg, rgba(99,102,241,0.4), transparent 40%, transparent 60%, rgba(6,182,212,0.3)); }
  25% { background: linear-gradient(90deg, rgba(99,102,241,0.4), transparent 40%, transparent 60%, rgba(6,182,212,0.3)); }
  50% { background: linear-gradient(180deg, rgba(99,102,241,0.4), transparent 40%, transparent 60%, rgba(6,182,212,0.3)); }
  75% { background: linear-gradient(270deg, rgba(99,102,241,0.4), transparent 40%, transparent 60%, rgba(6,182,212,0.3)); }
  100% { background: linear-gradient(360deg, rgba(99,102,241,0.4), transparent 40%, transparent 60%, rgba(6,182,212,0.3)); }
}

/* Shine sweep */
.login-card::after {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
  animation: shine-sweep 5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shine-sweep {
  0%, 100% { left: -100%; }
  50% { left: 100%; }
}

@keyframes card-appear {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Logo */
.card-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 32px;
}
.card-logo img {
  width: 240px;
  max-width: 100%;
  height: auto;
  filter: brightness(2.2) drop-shadow(0 0 20px rgba(99, 102, 241, 0.3));
  transition: filter 0.3s;
}
.card-logo img:hover {
  filter: brightness(2.5) drop-shadow(0 0 30px rgba(99, 102, 241, 0.5));
}

/* AI status line */
.ai-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--text-dim);
}
.ai-status .pulse {
  width: 8px; height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}
.typewriter {
  min-height: 16px;
  color: var(--text-secondary);
}
.typewriter::after {
  content: "▎";
  animation: blink 0.8s step-end infinite;
  color: var(--primary-light);
}
@keyframes blink { 50% { opacity: 0; } }

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

.field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.field input {
  width: 100%;
  padding: 14px 16px;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all 0.3s var(--transition);
}
.field input::placeholder { color: var(--text-dim); }
.field input:focus {
  background: rgba(99, 102, 241, 0.06);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12), 0 0 20px -4px rgba(99, 102, 241, 0.2);
}
.field input:hover:not(:focus) {
  border-color: rgba(255, 255, 255, 0.2);
}

/* Input icon */
.field .icon {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 18px; height: 18px;
  color: var(--text-dim);
  pointer-events: none;
  transition: color 0.3s;
}
.field input:focus ~ .icon { color: var(--primary-light); }

/* Options row */
.options-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.remember {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}
.remember input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--primary);
  border-radius: 4px;
  cursor: pointer;
}
.forgot {
  font-size: 13px;
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.2s;
}
.forgot:hover { color: var(--accent); }

/* Submit button */
.btn-login {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-body);
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 50%, var(--accent) 100%);
  background-size: 200% 200%;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s var(--transition);
  animation: gradient-shift 4s ease-in-out infinite;
  margin-top: 8px;
}
.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -8px rgba(99, 102, 241, 0.5);
}
.btn-login:active {
  transform: translateY(0);
}
.btn-login::after {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.btn-login:hover::after { left: 100%; }

.btn-login svg {
  width: 18px; height: 18px;
  transition: transform 0.3s;
}
.btn-login:hover svg { transform: translateX(4px); }

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}
.divider span {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* SSO buttons */
.sso-row {
  display: flex;
  gap: 10px;
}
.btn-sso {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s;
}
.btn-sso:hover {
  background: rgba(99, 102, 241, 0.08);
  border-color: var(--glass-border-hover);
  color: var(--text);
}
.btn-sso svg { width: 16px; height: 16px; }

/* Footer */
.page-footer {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  z-index: 10;
  text-align: center;
  padding: 16px;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

/* ===========================================================
   Floating messages
   =========================================================== */
.floating-messages {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
}
.float-msg {
  position: absolute;
  bottom: -40px;
  padding: 8px 16px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 11px;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
  white-space: nowrap;
  animation: float-up 8s linear forwards;
}
@keyframes float-up {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-110vh) translateX(var(--drift, 30px)); opacity: 0; }
}

/* ===========================================================
   Animations
   =========================================================== */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 900px) {
  .page {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .hero-side {
    padding: 32px 24px 0;
  }
  .hero-content { max-width: 100%; }
  .hero-title { font-size: 28px; }
  .features { display: none; }
  .lo