/* ===========================
   Spark Incubator – Global UI
   =========================== */

:root{
  --spark-bg-start:#1100ff;
  --spark-bg-end:#8800aa;
  --spark-primary:#6c4df5;           /* accent if needed */
  --spark-text:#0f172a;
  --spark-muted:#64748b;
  --spark-border:#e6eaf1;
  --spark-card:#ffffff;
}

/* Outer gradient canvas */
.spark-screen{
  min-height: 100vh;
  background: linear-gradient(160deg,var(--spark-bg-start),var(--spark-bg-end));
  padding: clamp(24px, 4vw, 48px);
  box-sizing: border-box;
}

/* Inner container */
.spark-stage{
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: clamp(16px, 2vw, 24px);
}

/* The white cards that make text readable on gradient */
.spark-card{
  background: var(--spark-card);
  color: var(--spark-text);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(13, 23, 42, .15);
  padding: clamp(18px, 3vw, 28px);
}

/* Welcome card style */
.spark-card--welcome{
  padding: clamp(22px, 3.5vw, 34px);
}
.spark-h1{
  margin: 0 0 8px;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.15;
}
.spark-welcome-id{
  font-weight: 600;
  color: var(--spark-muted);
}

/* 3-up grid under the welcome card */
.spark-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2vw, 24px);
}
@media (min-width: 900px){
  .spark-grid{ grid-template-columns: 1fr 1fr 1fr; }
}

/* Headings in cards */
.spark-h2{
  margin: 0 0 16px;
  font-size: clamp(20px, 2.4vw, 26px);
}

/* Links */
.spark-link{
  color: var(--spark-bg-start);
  text-decoration: none;
  font-weight: 600;
}
.spark-link:hover{ text-decoration: underline; }

/* Hint text */
.spark-hint{ color: var(--spark-muted); font-size: .92rem; }

/* ===========================
   Progress meters
   =========================== */
.spark-meter{
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
}
.spark-meter__label{ color: var(--spark-muted); }
.spark-meter__pct   { color: var(--spark-muted); font-size: .9rem; }

.spark-progress{
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: #eef1f7;
  overflow: hidden;
}
.spark-progress > div{
  position: absolute;
  inset: 0 100% 0 0;
  width: calc(var(--pct,0) * 1%);
  background: linear-gradient(90deg,var(--spark-bg-start),var(--spark-bg-end));
  border-radius: 999px;
}

/* ===========================
   Buttons
   =========================== */
.spark-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5ch;
  line-height:1;
  border-radius: 12px;
  padding: 12px 18px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  transition: box-shadow .2s ease, transform .04s ease;
}
.spark-btn:active{ transform: translateY(1px); }

.spark-btn--primary{
  color:#fff;
  background: linear-gradient(135deg,var(--spark-bg-start),var(--spark-bg-end));
  box-shadow: 0 10px 24px rgba(17,0,255,.25), 0 6px 16px rgba(136,0,170,.25);
}
.spark-btn--primary:hover{
  box-shadow: 0 14px 32px rgba(17,0,255,.32), 0 8px 20px rgba(136,0,170,.32);
}

/* ===========================
   Form (Apply)
   =========================== */
.spark-card__header{ margin-bottom: 12px; }
.spark-card__title{
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 800;
  margin: 0 0 6px;
}
.spark-card__sub{ color: var(--spark-muted); }

.spark-form{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 8px;
}
@media (min-width: 820px){
  .spark-form{
    grid-template-columns: 1fr 1fr;
  }
}
.spark-form__row{ display:flex; flex-direction:column; gap:6px; }
.spark-form__row--full{ grid-column: 1 / -1; }

.spark-form label{ font-weight: 600; color: var(--spark-text); }
.spark-radio{ margin-right: 16px; }

.spark-form input[type="text"],
.spark-form input[type="email"],
.spark-form input[type="url"],
.spark-form input[type="file"],
.spark-form select,
.spark-form textarea{
  appearance: none;
  width: 100%;
  font: inherit;
  background: #fff;
  color: var(--spark-text);
  border: 1px solid var(--spark-border);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.spark-form textarea{ resize: vertical; }

.spark-form input:focus,
.spark-form select:focus,
.spark-form textarea:focus{
  border-color: transparent;
  box-shadow: 0 0 0 3px rgba(17,0,255,.18), 0 0 0 6px rgba(136,0,170,.10);
}

/* Footer actions (submit) */
.spark-actions{
  grid-column: 1 / -1;
  margin-top: 6px;
  display:flex;
  gap:10px;
}

/* Make small text legible inside cards */
.spark-card small{ color: var(--spark-muted); }

/* Keep card spacing comfy on tiny screens */
@media (max-width: 420px){
  .spark-actions{ flex-direction: column; }
}