/* CSS VARIABLES & SYSTEM THEME */
:root {
  --bg-dark: #060709;
  --bg-card: rgba(10, 12, 18, 0.4);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(0, 242, 254, 0.25);
  
  --color-primary: #00f2fe;    /* Cyber Cyan */
  --color-secondary: #4facfe;  /* Tech Blue */
  --color-accent: #8a2be2;     /* Neon Purple */
  --color-text-main: #f3f4f6;
  --color-text-muted: #9ca3af;
  
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-clock: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--color-text-main);
  font-family: var(--font-main);
  overflow: hidden;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  position: relative;
  user-select: none;
}

/* BACKGROUND GLOWS */
.bg-glow-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.12;
  mix-blend-mode: screen;
  animation: float-slow 25s infinite alternate ease-in-out;
}

.blob-1 {
  top: -15%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
}

.blob-2 {
  bottom: -15%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  animation-delay: -7s;
}

.blob-3 {
  top: 30%;
  left: 35%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
  animation-delay: -14s;
}

@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  100% { transform: translate(6%, 6%) scale(1.1) rotate(180deg); }
}

/* INTERACTIVE STARS CANVAS */
#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* MAIN CONTAINER & CARD */
main {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-grow: 1;
  width: 100%;
  max-width: 1200px;
  padding: 20px;
}

.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 60px 80px;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 650px;
  width: 100%;
  transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

.dashboard-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 35px 70px rgba(0, 242, 254, 0.04), 0 30px 60px rgba(0, 0, 0, 0.4);
}

.dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
}

/* LOGO ROTATION */
.logo-box {
  position: relative;
  width: 54px;
  height: 54px;
  margin-bottom: 24px;
}

.logo-outer {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  border-top-color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  border-radius: 50%;
  animation: rotate-cw 5s linear infinite;
}

.logo-inner {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 38px;
  height: 38px;
  border: 2px solid transparent;
  border-left-color: var(--color-secondary);
  border-right-color: var(--color-primary);
  border-radius: 50%;
  animation: rotate-ccw 4s linear infinite;
}

.logo-core {
  position: absolute;
  top: 22px;
  left: 22px;
  width: 10px;
  height: 10px;
  background-color: #fff;
  border-radius: 50%;
  box-shadow: 0 0 15px var(--color-primary);
}

@keyframes rotate-cw {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes rotate-ccw {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

/* TYPOGRAPHY */
h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 30px;
  line-height: 1.3;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 70%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* DIGITAL CLOCK */
.clock-box {
  margin-bottom: 8px;
}

.time-text {
  font-family: var(--font-clock);
  font-size: 4.8rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: #ffffff;
  text-shadow: 0 0 30px rgba(0, 242, 254, 0.25);
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
}

.seconds-text {
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--color-primary);
  margin-left: 6px;
  text-shadow: 0 0 20px rgba(0, 242, 254, 0.25);
}

.date-text {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 2px;
  margin-top: 10px;
}

/* CORNER DECORATIONS */
.corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid transparent;
  pointer-events: none;
}

.top-left {
  top: 16px;
  left: 16px;
  border-top-color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.top-right {
  top: 16px;
  right: 16px;
  border-top-color: var(--color-primary);
  border-right-color: var(--color-primary);
}

.bottom-left {
  bottom: 16px;
  left: 16px;
  border-bottom-color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.bottom-right {
  bottom: 16px;
  right: 16px;
  border-bottom-color: var(--color-primary);
  border-right-color: var(--color-primary);
}

/* FOOTER */
footer {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1200px;
  padding: 30px 40px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .dashboard-card {
    padding: 40px 30px;
  }
  
  h1 {
    font-size: 1.7rem;
    margin-bottom: 24px;
  }
  
  .time-text {
    font-size: 3.6rem;
  }
  
  .seconds-text {
    font-size: 1.7rem;
  }
  
  .date-text {
    font-size: 0.95rem;
  }
}