lini 0.8.0

Pretty diagrams from plain text, with fine-grained control. Compiles to clean, themeable SVG.
Documentation 
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// A cute, unreal little PCB: a central MCU, peripherals, dark passives, and lots
// of parallel copper traces. Not functional — a pretty demo of parallel routing.
{
  fill: gradient(--green-ink, --teal-ink);
  // the board
  layout: grid; columns: repeat(5, 80); rows: repeat(5, 60); gap: 30; padding: 34; font-size: 12; font-weight: normal;

  |chip::box| {
    width: 60; height: 60; stroke: none; radius: 5; color: white; padding: 0;
  }
  |pad::box| {
    width: 150; height: 56; stroke: none; fill: --amber-soft; color: --amber-ink;
  }
  |passive::box| {
    width: 54; height: 42; stroke: none; fill: #222428; color: #c9ced6; radius: 2; padding: 0;
  }

  link: --amber; link-width: 2; clearance: 10;
}

// the hero: a big gradient MCU spanning the centre
mcu |chip| {
  cell: 2 2; span: 3 3; width: 180; height: 180; fill: gradient(--blue, --purple); font-size: 24;
} "MCU"

// peripherals + passives around the ring
c1  |passive| { cell: 1 1; } "C"
usb |pad| { cell: 2 1; span: 2 1; } "USB-C"
r1  |passive| { cell: 4 1; } "R"
rf  |chip| { cell: 5 1; fill: --purple; } "RF"

flash |chip| { cell: 1 2; fill: --indigo; } "FLASH"
pwr   |chip| { cell: 1 3; fill: --rose; } "PWR"
c2    |passive| { cell: 1 4; } "C"

osc   |passive| { cell: 5 2; } "OSC"
motor |chip| { cell: 5 3; fill: --sky; } "MOTOR"
r2    |passive| { cell: 5 4; } "R"

c3   |passive| { cell: 1 5; } "C"
adc  |chip| { cell: 2 5; fill: --green; } "ADC"
sens |chip| { cell: 3 5; fill: --teal; } "SENS"
r3   |passive| { cell: 4 5; } "R"
imu  |chip| { cell: 5 5; fill: --amber; color: --amber-ink; } "IMU"

// ── copper traces ──
// USB data bus (top)
usb.bottom -> mcu.top
usb.bottom -> mcu.top
usb.bottom -> mcu.top
usb.bottom -> mcu.top
mcu.top -> rf.bottom
mcu.top -> rf.bottom

// power rails + flash bus (left)
pwr.right -> mcu.left
pwr.right -> mcu.left
pwr.right -> mcu.left
pwr.right -> mcu.left
flash.right -> mcu.left
flash.right -> mcu.left
flash.right -> mcu.left

// motor control bus (right)
mcu.right -> motor.left
mcu.right -> motor.left
mcu.right -> motor.left
mcu.right -> motor.left
osc.bottom -> motor.top

// sensor + adc buses (bottom)
mcu.bottom -> sens.top
mcu.bottom -> sens.top
mcu.bottom -> adc.top
mcu.bottom -> adc.top

// passives — short decoupling hops
usb.left -> c1.right
pwr.bottom -> c2.top
motor.bottom -> r2.top
imu.top -> r2.bottom
adc.left -> c3.right
sens -> r3.top