/* ============================================================
   FANSMI PORTAL — CSS Principal
   Design: Tecnológico Premium / Dark-first
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── Variáveis ─────────────────────────────────────────────── */
:root {
  /* Cores principais */
  --blue-neon:    #00b4d8;
  --blue-mid:     #0077b6;
  --blue-deep:    #023e8a;
  --cyan:         #48cae4;
  --cyan-light:   #90e0ef;
  --black:        #050a0f;
  --dark:         #080f18;
  --dark-surface: #0d1a26;
  --dark-border:  #142232;
  --dark-card:    #0b1520;
  --yellow:       #ffd60a;
  --white:        #f0f8ff;
  --muted:        #5c7a96;
  --text:         #c8dff0;

  /* Light mode */
  --lm-bg:        #f0f6ff;
  --lm-card:      #ffffff;
  --lm-border:    #d0e4f7;
  --lm-text:      #0d1a26;
  --lm-muted:     #5c7a96;

  /* Shadows / Glows */
  --glow-blue:    0 0 30px rgba(0,180,216,.35), 0 0 60px rgba(0,180,216,.15);
  --glow-card:    0 4px 32px rgba(0,120,200,.12);
  --shadow-sm:    0 2px 8px rgba(0,0,0,.4);
  --shadow-md:    0 8px 32px rgba(0,0,0,.5);
  --shadow-lg:    0 16px 64px rgba(0,0,0,.6);

  /* Tipografia */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Espaçamentos */
  --radius:       14px;
  --radius-lg:    22px;
  --radius-full:  999px;

  /* Transições */
  --transition:   .25s cubic-bezier(.4,0,.2,1);
}

/* Light mode override */
[data-theme="light"] {
  --black:        var(--lm-bg);
  --dark:         #e8f2fc;
  --dark-surface: var(--lm-card);
  --dark-border:  var(--lm-border);
  --dark-card:    var(--lm-card);
  --text:         var(--lm-text);
  --muted:        var(--lm-muted);
  --white:        var(--lm-text);
  --glow-card:    0 4px 24px rgba(0,120,200,.1);
  --shadow-sm:    0 2px 8px rgba(0,60,130,.08);
  --shadow-md:    0 8px 32px rgba(0,60,130,.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── Loader ─────────────────────────────────────────────────── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity .5s ease, visibility .5s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-logo {
  width: 64px;
  height: 64px;
  animation: loader-pulse 1.2s ease-in-out infinite;
}
.loader-bar {
  width: 180px;
  height: 3px;
  background: var(--dark-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.loader-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, var(--blue-neon), var(--cyan));
  border-radius: var(--radius-full);
  animation: loader-slide 1.2s ease-in-out infinite;
}
@keyframes loader-pulse { 0%,100%{opacity:.6;transform:scale(.95)} 50%{opacity:1;transform:scale(1)} }
@keyframes loader-slide  { 0%{transform:translateX(-100%)} 100%{transform:translateX(350%)} }

/* ── Header ─────────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 70px;
  display: flex;
  align-items: center;
  background: rgba(5,10,15,.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
  transition: background var(--transition);
}
[data-theme="light"] .header { background: rgba(240,246,255,.85); }

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-img { width: 56px; height: 56px; object-fit: contain; }
.logo-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: .04em;
  background: linear-gradient(135deg, var(--blue-neon), var(--cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
  list-style: none;
}
.nav a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--blue-neon);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav a:hover { color: var(--white); }
.nav a:hover::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  font-size: .9rem;
}
.btn-icon:hover { border-color: var(--blue-neon); color: var(--blue-neon); background: rgba(0,180,216,.08); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.2rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .02em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-neon), var(--blue-mid));
  color: #fff;
  box-shadow: 0 0 20px rgba(0,180,216,.3);
}
.btn-primary:hover { box-shadow: 0 0 30px rgba(0,180,216,.5); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--dark-border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--blue-neon); color: var(--blue-neon); }

.hamburger {
  display: none;
  width: 38px; height: 38px;
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Mobile nav ─────────────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--dark-surface);
  border-bottom: 1px solid var(--dark-border);
  padding: 1.5rem 2rem;
  z-index: 999;
  flex-direction: column;
  gap: 1rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1rem; color: var(--text); font-weight: 500; padding: .5rem 0; border-bottom: 1px solid var(--dark-border); }
.mobile-nav a:last-child { border: none; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 2rem 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Grid tecnológico animado */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,180,216,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,180,216,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-move 20s linear infinite;
}
@keyframes grid-move { from{transform:translateY(0)} to{transform:translateY(60px)} }

/* Blobs de luz */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px; height: 600px;
  top: -200px; left: -100px;
  background: radial-gradient(circle, rgba(0,119,182,.3), transparent 70%);
  animation: glow-float 8s ease-in-out infinite;
}
.hero-glow-2 {
  width: 500px; height: 500px;
  top: 50px; right: -100px;
  background: radial-gradient(circle, rgba(0,180,216,.2), transparent 70%);
  animation: glow-float 10s ease-in-out infinite reverse;
}
.hero-glow-3 {
  width: 400px; height: 400px;
  bottom: -100px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(2,62,138,.4), transparent 70%);
}
@keyframes glow-float {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(30px,-30px) scale(1.05); }
}

/* Partículas */
.particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--blue-neon);
  border-radius: 50%;
  opacity: 0;
  animation: particle-rise linear infinite;
}
@keyframes particle-rise {
  0%  { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: .8; }
  90% { opacity: .3; }
  100%{ transform: translateY(-10vh) scale(1.5); opacity: 0; }
}

/* Linhas neon decorativas */
.neon-lines { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.neon-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-neon), transparent);
  opacity: .4;
  animation: neon-scan 6s ease-in-out infinite;
}
.neon-line:nth-child(2) { animation-delay: 2s; animation-duration: 8s; }
.neon-line:nth-child(3) { animation-delay: 4s; animation-duration: 7s; }
@keyframes neon-scan { 0%{top:-2%;opacity:0} 20%{opacity:.4} 80%{opacity:.2} 100%{top:102%;opacity:0} }

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 100%;
  margin: 0 auto;
  animation: fade-up .8s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem 1rem;
  background: rgba(0,180,216,.1);
  border: 1px solid rgba(0,180,216,.25);
  border-radius: var(--radius-full);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-neon);
  margin-bottom: 2rem;
  animation: fade-up .8s .1s ease both;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--blue-neon);
  border-radius: 50%;
  animation: blink 1.5s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.6rem);
  white-space: nowrap;
  text-align: center;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: fade-up .8s .2s ease both;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--blue-neon) 0%, var(--cyan-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@media (max-width: 768px) {
  .hero h1 { white-space: normal; font-size: clamp(1.5rem, 7vw, 2.2rem); }
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  animation: fade-up .8s .3s ease both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fade-up .8s .4s ease both;
}

.btn-hero {
  padding: .85rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-full);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: var(--muted);
  font-size: .75rem;
  animation: fade-up .8s .8s ease both;
  z-index: 1;
}
.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid var(--muted);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-dot {
  width: 4px; height: 8px;
  background: var(--blue-neon);
  border-radius: 2px;
  animation: scroll-down 1.5s ease-in-out infinite;
}
@keyframes scroll-down { 0%,100%{transform:translateY(0);opacity:1} 60%{transform:translateY(8px);opacity:.3} }

/* ── Sections ───────────────────────────────────────────────── */
.section {
  padding: 100px 2rem;
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue-neon);
  margin-bottom: .75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 1rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ── Cards grid ─────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.cards-grid.center-last:last-child { justify-self: center; }

/* System card */
.sys-card {
  position: relative;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
  animation: fade-up .6s ease both;
}
.sys-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-color, var(--blue-neon)), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.sys-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(var(--card-rgb, 0,180,216),.08), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.sys-card:hover {
  border-color: var(--card-color, var(--blue-neon));
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 0 30px rgba(var(--card-rgb, 0,180,216),.15);
}
.sys-card:hover::before, .sys-card:hover::after { opacity: 1; }

.card-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: rgba(var(--card-rgb, 0,180,216),.12);
  border: 1px solid rgba(var(--card-rgb, 0,180,216),.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--card-color, var(--blue-neon));
  transition: all var(--transition);
}
.sys-card:hover .card-icon-wrap {
  background: rgba(var(--card-rgb, 0,180,216),.2);
  box-shadow: 0 0 20px rgba(var(--card-rgb, 0,180,216),.3);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}
.card-desc {
  font-size: .875rem;
  color: var(--muted);
  flex: 1;
  line-height: 1.6;
}
.card-action {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--card-color, var(--blue-neon));
  margin-top: .5rem;
  transition: gap var(--transition);
}
.sys-card:hover .card-action { gap: .6rem; }

/* ── Stats (admin quick stats) ──────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.stat-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.stat-label { font-size: .8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--white); }
.stat-change { font-size: .8rem; color: #4ade80; }

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--dark-surface);
  border-top: 1px solid var(--dark-border);
  padding: 60px 2rem 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--dark-border);
}
.footer-brand .logo-name { font-size: 1.5rem; }
.footer-brand p { margin-top: .75rem; font-size: .875rem; color: var(--muted); max-width: 280px; }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
}
.footer-col a {
  display: block;
  font-size: .875rem;
  color: var(--muted);
  margin-bottom: .6rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--blue-neon); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .8rem;
  color: var(--muted);
}
.footer-status {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.status-dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: blink 2s infinite;
}
.footer-version {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-full);
  padding: .25rem .75rem;
  font-size: .75rem;
  color: var(--muted);
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: none;
}

/* ── Toast ───────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  pointer-events: none;
}
.toast {
  min-width: 240px;
  max-width: 340px;
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: .875rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  box-shadow: var(--shadow-lg);
  animation: toast-in .3s ease both;
  pointer-events: all;
}
.toast.success { border-color: #4ade80; }
.toast.error   { border-color: #f87171; }
.toast.info    { border-color: var(--blue-neon); }
.toast .ti { font-size: 1.1rem; }
.toast.success .ti { color: #4ade80; }
.toast.error   .ti { color: #f87171; }
.toast.info    .ti { color: var(--blue-neon); }
@keyframes toast-in { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:none} }

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--dark-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .footer-top { grid-template-columns: 1fr; }
  .header { padding: 0 1.25rem; }
}
@media (max-width: 600px) {
  .section { padding: 70px 1.25rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-hero { justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
}