* {
    box-sizing: border-box;
    font-family: system-ui;
}

body {
    margin: 0;
    background: #0f0f0f;
    color: #fff;
}

.app {
    max-width: 420px;
    margin: auto;
    padding: 12px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gear, .back {
    color: white;
    font-size: 22px;
    text-decoration: none;
}

/* SOC circle */
.soc-container {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.soc-circle {
    position: relative;
    width: 180px;
    height: 180px;
}
/*
.soc-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 42px;
    font-weight: bold;
}
*/
/* ตัวเลข SOC ใหญ่ */
.soc-value {
    position: absolute;
    top: 48%; /* ⬅ กลางวง */
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 42px;
    font-weight: 700;
    z-index: 2;
}

/* ข้อความ SOC */
.soc-label {
    position: absolute;
    top: 63%; /* ⬅ เลื่อนลง */
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    color: #aaa;
    z-index: 1;
}

.soc-green {
    color: #3cff5a;
}

.soc-yellow {
    color: #ffd000;
}

.soc-red {
    color: #ff4c4c;
}

svg {
    width: 180px;
    height: 180px;
    /*transform: rotate(90deg)*/
    transform: rotate(-90deg);
}

circle {
    fill: none;
    stroke-width: 12;
}

.bg {
    stroke: #333;
}

/*
.fg {
    stroke: #3cff5a;
    stroke-dasharray: 502;
    stroke-dashoffset: 502;
    transition: .4s;
}
*/

.fg {
    fill: none;
    stroke: #3cff5a;
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 502;
    stroke-dashoffset: 502;
    transition: stroke 0.3s ease;
}


.soc-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.soc-text span {
    font-size: 36px;
    color: #3cff5a;
}

/* info */
.info-row {
  display: flex;
  justify-content: space-between;
  margin: 10px 0;
}

.info span {
  font-size: 20px;
  /* ตัวหนา */
  /*font-weight: 600;*/
  font-weight: bold;
}

.voltage span { color: #4cc3ff; }
/*
.current span { color: #ffd000; }
*/

/* max min cell and temp */
.card-row {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.card {
  flex: 1;
  background: #1c1c1c;
  padding: 10px;
  border-radius: 12px;
  font-size: 16px;
}


.blue {
    color: #4cc3ff;
}

.red {
    color: #ff4c4c;
}

.yellow {
    color: #ffd000;
}

.value-strong {
    font-weight: 700;
    font-size: 1.05em;
}


/* battery */
.battery {
    background: #1c1c1c;
    border-radius: 14px;
    padding: 10px;
    margin-top: 8px;
    cursor: pointer;
}

.soc-bar-bg {
    background: #333;
    border-radius: 10px;
    height: 10px;
    overflow: hidden;
}

.soc-bar {
    height: 100%;
}

/* setting */
.card {
    background: #1c1c1c;
    border-radius: 14px;
    padding: 14px;
    margin-top: 14px;
}

button {
    margin-top: 12px;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: #3aaaff;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

input {
    width: 100%;
    padding: 10px;
    margin: 6px 0 10px;
    border-radius: 8px;
    border: none;
}

.progress-bg {
    background: #333;
    border-radius: 10px;
    height: 14px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: #3cff5a;
    width: 0%;
}

/* เพิ่มสี soc bar */
.soc-bar-bg {
    width: 100%;
    height: 8px;
    background: #222;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}

.soc-bar {
    height: 100%;
    transition: width 0.4s linear, background-color 0.3s;
}

.soc-high {
    background: #00ff6a;
}

.soc-mid {
    background: #ffd000;
}

.soc-low {
    background: #ff9f00;
}

.soc-critical {
    background: #ff3b3b;
}

/* battery info page */
.batt-info div {
  background:#1c1c1c;
  padding:8px;
  border-radius:8px;
  margin-bottom:6px;
}

.cell {
  background:#1c1c1c;
  color: #4cff7a; /* green */
  padding:6px;
  border-radius:6px;
  margin-bottom:4px;
}

.cell.max {
    color: #4cc3ff;
    font-weight: bold;
}

.cell.min {
    color: #ff4c4c;
    font-weight: bold;
}

.current-pos {
    color: #3cff5a;   /* เขียว */
    font-weight: bold;
}

.current-neg {
    color: #ff4c4c;   /* แดง */
    font-weight: bold;
}

.current-idle {
    color: #aaa;      /* เทา */
    font-weight: bold;
}

#current {
    transition: color 0.2s ease;
}