/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#starfield {
  position: fixed;
  top: 0; 
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none; 
  z-index: 0; 
  background: transparent;
  display: block;
}

/* Corpo da página */
body {
  background: linear-gradient(
    to bottom,
    #0B0C10 0%,
    #1F2833 95%,
    #121619 95%,
    #121619 100%
  );
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: 100% 100vh;
  margin: 0;
  height: 100vh;
  overflow: hidden;
}

/* Texto piscando no topo */
.blinking-text {
    position: fixed;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 18px;
    font-weight: bold;
    color: #EAF6FF;
    animation: blink 1s infinite;
    z-index: 1000;
    text-shadow: 0 0 6px #00bfff;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Container central */
.container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding-top: 8vh;
}

/* Sol */
.sun {
    position: absolute;
    width: 18vw;
    height: 18vw;
    border-radius: 50%;
    background-color: #f4ff7a;
    box-shadow: 0 0 30px rgba(255, 255, 100, 0.6);
    z-index: 1;
}

/* Planetas */
.planet {
    position: absolute;
    border-radius: 50%;
    opacity: 0.9;
    cursor: pointer;
    transition: transform 0.3s ease;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.1);
}


.orbit1 {
  /* Mercúrio - cinza metálico com textura */
  background:
    radial-gradient(circle at 30% 30%, #9e9e9e 0%, #4a4a4a 70%);
  box-shadow:
    inset 2px 2px 5px #6b6b6b,
    inset -2px -2px 4px #bfbfbf;
  animation: orbit1 8s infinite linear;
  width: 3vw;
  height: 3vw;
  filter: contrast(1.1);
}

.orbit2 {
  /* Vênus - amarelo amarronzado com nuvens sutis */
  background:
    radial-gradient(circle at 40% 40%, #d4c17d 0%, #8f7a2a 60%),
    radial-gradient(circle at 70% 70%, rgba(255,255,255,0.25) 20%, transparent 80%);
  animation: orbit2 12s infinite linear;
  width: 5vw;
  height: 5vw;
  filter: brightness(1.1);
  box-shadow: inset 1px 1px 4px #aa9c5e;
}

.orbit3 {
  width: 6vw;
  height: 6vw;
  animation: orbit3 16s infinite linear;
  background:
    radial-gradient(circle at 35% 40%, #2d6b32 25%, transparent 26%), /* mancha verde 1 */
    radial-gradient(circle at 65% 60%, #3b7e3f 20%, transparent 21%), /* mancha verde 2 */
    radial-gradient(circle at 50% 75%, #2a6632 15%, transparent 16%), /* mancha verde 3 */
    radial-gradient(circle at 70% 30%, #376d38 18%, transparent 19%), /* mancha verde 4 */
    radial-gradient(circle at 50% 50%, #2a56c6 60%, transparent 61%); /* água azul */
  background-repeat: no-repeat;
}

.orbit4 {
  /* Marte - vermelho vibrante com manchas escuras */
  background:
    radial-gradient(circle at 40% 40%, #d5422a 0%, #6e1300 75%),
    radial-gradient(circle at 65% 60%, rgba(130,40,30,0.7) 15%, transparent 65%),
    radial-gradient(circle at 20% 75%, rgba(170,70,50,0.6) 10%, transparent 55%);
  box-shadow:
    inset 1px 1px 5px #9f2e23,
    inset -1px -1px 4px #e65948;
  animation: orbit4 20s infinite linear;
  width: 4vw;
  height: 4vw;
}

.orbit5 {
  /* Júpiter - já ficou top, mantenho igual */
  background:
    repeating-linear-gradient(
      20deg,
      #f6e4a1 0,
      #f6e4a1 10%,
      #b6932c 10%,
      #b6932c 20%
    );
  box-shadow:
    inset 0 0 15px #bca45f;
  animation: orbit5 25s infinite linear;
  width: 10vw;
  height: 10vw;
  border-radius: 50%;
}

.orbit6 {
  /* Saturno - amarelo dourado + anel opaco */
  background: radial-gradient(circle at 50% 50%, #ffdb57 0%, #a07b00 70%);
  box-shadow:
    inset 0 0 15px #c7b04a,
    0 0 20px 5px rgba(255, 219, 87, 1);
  animation: orbit6 30s infinite linear;
  width: 9vw;
  height: 9vw;
  border-radius: 50%;
  position: relative;
  z-index: 10;
  opacity: 1; /* sem transparência */
}

.orbit6::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14vw;
  height: 5vw;
  margin-left: -7vw;
  margin-top: -2.5vw;
  border-radius: 50% / 100%;
  border: 2px solid #ffdb57;
  box-shadow: 0 0 8px 2px #ffdb57;
  pointer-events: none;
  z-index: -1;
  transform: rotateX(60deg);
  opacity: 1; /* sem transparência */
}

.orbit7 {
  /* Urano - azul claro com brilho */
  background:
    radial-gradient(circle at 50% 50%, #70cfe5 0%, #176a7f 80%);
  box-shadow: inset 0 0 9px #66d0f4;
  animation: orbit7 35s infinite linear;
  width: 6vw;
  height: 6vw;
}

.orbit8 {
  /* Netuno - azul escuro profundo */
  background:
    radial-gradient(circle at 40% 40%, #386ebf 0%, #122e59 90%);
  box-shadow: inset 0 0 9px #3258a1;
  animation: orbit8 40s infinite linear;
  width: 6vw;
  height: 6vw;
}

.orbit9 {
  /* Plutão - cinza claro com variações */
  background:
    radial-gradient(circle at 50% 50%, #dcdcdc 0%, #787878 80%);
  box-shadow:
    inset 1px 1px 4px #9f9f9f,
    inset -1px -1px 5px #e3e3e3;
  animation: orbit9 45s infinite linear;
  width: 3vw;
  height: 3vw;
}


/* Animações de órbita */
@keyframes orbit1 { 0% { transform: rotate(0deg) translateX(12vw) rotate(0); } 100% { transform: rotate(360deg) translateX(12vw) rotate(-360deg); } }
@keyframes orbit2 { 0% { transform: rotate(0deg) translateX(19vw) rotate(0); } 100% { transform: rotate(360deg) translateX(19vw) rotate(-360deg); } }
@keyframes orbit3 { 0% { transform: rotate(0deg) translateX(26vw) rotate(0); } 100% { transform: rotate(360deg) translateX(26vw) rotate(-360deg); } }
@keyframes orbit4 { 0% { transform: rotate(0deg) translateX(33vw) rotate(0); } 100% { transform: rotate(360deg) translateX(33vw) rotate(-360deg); } }
@keyframes orbit5 { 0% { transform: rotate(0deg) translateX(40vw) rotate(0); } 100% { transform: rotate(360deg) translateX(40vw) rotate(-360deg); } }
@keyframes orbit6 { 0% { transform: rotate(0deg) translateX(47vw) rotate(0); } 100% { transform: rotate(360deg) translateX(47vw) rotate(-360deg); } }
@keyframes orbit7 { 0% { transform: rotate(0deg) translateX(54vw) rotate(0); } 100% { transform: rotate(360deg) translateX(54vw) rotate(-360deg); } }
@keyframes orbit8 { 0% { transform: rotate(0deg) translateX(61vw) rotate(0); } 100% { transform: rotate(360deg) translateX(61vw) rotate(-360deg); } }
@keyframes orbit9 { 0% { transform: rotate(0deg) translateX(68vw) rotate(0); } 100% { transform: rotate(360deg) translateX(68vw) rotate(-360deg); } }

/* Nome dos planetas */
.planet-name {
    position: absolute;
    top: -20px;
    left: -12px;
    font-size: 12px;
    color: #EAF6FF;
    font-weight: bold;
    text-shadow: 0 0 5px #00bfff;
}

/* Painel de informações deslizante */
.info-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 85%;
    height: 90vh;
    background: rgba(12, 20, 30, 0.95);
    color: #EAF6FF;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.8);
    transition: transform 0.4s ease;
    transform: translateY(100%);
    padding: 6px;
    z-index: 2000;
    overflow-y: auto;
    border-top: 2px solid #00bfff;
}

.info-panel.active {
    transform: translateY(0);
}

.close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    color: #EAF6FF;
    border: none;
    font-size: 22px;
    cursor: pointer;
}

.close-btn:hover {
    color: #00bfff;
}

/* Texto extra dos planetas */
#planet-temperature,
#planet-size,
#planet-composition,
#planet-funFact {
    margin-top: 10px;
    font-style: italic;
    color: #B0C4DE;
}