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

:root {
  --pink:   #f472b6;
  --purple: #a855f7;
  --blue:   #60a5fa;
  --grad: linear-gradient(135deg, var(--pink), var(--purple), var(--blue));
  --grad-alt: linear-gradient(135deg, var(--blue), var(--purple), var(--pink));
  --glass-bg: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.12);
}

html, body {
  height: 100%;
  font-family: 'DM Sans', sans-serif;
  background: #050508;
  color: #fff;
  overflow-x: hidden;
}

/* ─── BLURS ─── */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}
.blob-1 { width: 420px; height: 420px; background: var(--purple); top: -100px; left: -120px; }
.blob-2 { width: 320px; height: 320px; background: var(--pink);   top: 40%;   right: -80px; }
.blob-3 { width: 260px; height: 260px; background: var(--blue);   bottom: -60px; left: 25%; }

/* ─── PAGE WRAPPER ─── */
#page-landing,
#page-login {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  padding: clamp(24px, 5vw, 48px);
  z-index: 1;
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}

#page-login {
  opacity: 0;
  pointer-events: none;
  transform: translateY(30px);
}
#page-login.active {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
#page-landing.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
}

/* ─── LANDING ─── */
.nav {
  display: flex;
  justify-content: flex-end;
  margin-bottom: auto;
}

.btn-entrar {
  background: #000;
  border: 1.5px solid transparent;
  background-clip: padding-box;
  border-radius: 50px;
  padding: 12px 28px;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-entrar::before {
  content: '';
  position: absolute;
  inset: -1.5px;
  border-radius: 50px;
  background: var(--grad);
  z-index: -1;
}
.btn-entrar:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(168,85,247,0.35);
}
.btn-entrar:active { transform: translateY(0); }

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 20px;
}

.hello {
  font-family: 'Syne', sans-serif;
  font-size: clamp(64px, 18vw, 140px);
  font-weight: 800;
  line-height: 0.95;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.tagline {
  font-size: clamp(15px, 3.8vw, 22px);
  font-weight: 300;
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.01em;
  font-style: italic;
}

.deco-line {
  width: 64px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
  margin-top: 32px;
  opacity: 0.6;
}

/* ─── LOGIN PAGE ─── */
.login-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
}

.login-heading {
  font-family: 'Syne', sans-serif;
  font-size: clamp(30px, 8vw, 46px);
  font-weight: 800;
  line-height: 1.05;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.login-sub {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.42);
  font-weight: 300;
  margin-bottom: 36px;
  letter-spacing: 0.03em;
}

.glass-card {
  width: 100%;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 32px 28px;
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 20px 60px rgba(0,0,0,0.45),
    0 4px 16px rgba(168,85,247,0.08);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.field label {
  font-size: 0.74rem;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.field input {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 13px 16px;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  width: 100%;
}
.field input::placeholder { color: rgba(255,255,255,0.22); }
.field input:focus {
  border-color: rgba(168,85,247,0.55);
  background: rgba(255,255,255,0.09);
  box-shadow: 0 0 0 3px rgba(168,85,247,0.12);
}

.remember {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.remember-box {
  width: 18px; height: 18px;
  border-radius: 5px;
  border: 1.5px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.06);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  position: relative;
  transition: border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.remember-box:checked {
  background: var(--purple);
  border-color: var(--purple);
}
.remember-box:checked::after {
  content: '';
  position: absolute;
  left: 4px; top: 1.5px;
  width: 6px; height: 10px;
  border: 2px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
.remember span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  font-weight: 400;
}

.btn-login {
  width: 100%;
  padding: 15px;
  border-radius: 14px;
  border: none;
  background: var(--grad);
  background-size: 200% 200%;
  animation: gradShift 4s ease infinite;
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(168,85,247,0.35);
}
.btn-login::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s;
}
.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(168,85,247,0.5);
}
.btn-login:hover::after { background: rgba(255,255,255,0.07); }
.btn-login:active { transform: translateY(0); }

@keyframes gradShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.back-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: color 0.2s;
  background: none;
  border: none;
  font-family: 'DM Sans', sans-serif;
}
.back-link:hover { color: rgba(255,255,255,0.65); }

/* ─── ERROR MESSAGE ─── */
.error-msg {
  font-size: 0.78rem;
  color: #f87171;
  text-align: center;
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(248,113,113,0.08);
  border: 1px solid rgba(248,113,113,0.2);
  border-radius: 10px;
}

/* loading spinner on login btn */
.btn-login.loading {
  pointer-events: none;
  opacity: 0.8;
}
.btn-login.loading span { opacity: 0; }
.btn-login.loading::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation: spin 0.6s linear infinite;
  z-index: 1;
}
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

/* htmx indicator */
.htmx-request .btn-login { pointer-events: none; opacity: 0.8; }
.htmx-request .btn-login span { opacity: 0; }
.htmx-request .btn-login::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation: spin 0.6s linear infinite;
  z-index: 1;
}