* {
  box-sizing: border-box;
}

html
{
  min-height: 100%;
}

body
{
  min-height: 100vh;
  margin: 0;
  padding: 28px 16px;
  display: grid;
  place-items: center;
  background: #79716B;
  color: #1f2933;
  font-family: "Roboto", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

form
{
  width: min(100%, 540px);
}

.container {
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
}

.baslik {
  width: 100%;
  padding: 20px 24px;
  border: none;
  background: linear-gradient(135deg, #0f766e 0%, #155e75 100%);
  color: #fff;
  font-family: "Roboto", Arial, sans-serif;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0;
}

.baslik div + div {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  font-weight: 400;
}

.bosluk {
  padding: 28px 32px 32px;
}

.cssboslukalt0_4 {
  padding-bottom: 7px;
  color: #334155;
  font-size: 14px;
  font-weight: 500;
}

.cssboslukalt1 {
  padding-bottom: 18px;
}

.csstextbox100,
.cssdropdown100,
.csstextarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background-color: #fff;
  color: #111827;
  font-family: "Roboto", Arial, sans-serif;
  font-size: 16px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.csstextbox100,
.cssdropdown100 {
  min-height: 46px;
  padding: 10px 13px;
}

.csstextarea {
  min-height: 112px;
  padding: 12px 13px;
  resize: vertical;
}

.csstextbox100:hover,
.cssdropdown100:hover,
.csstextarea:hover {
  border-color: #94a3b8;
  background-color: #fbfdff;
}

.csstextbox100:focus,
.cssdropdown100:focus,
.csstextarea:focus {
  border-color: #0f766e;
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.14);
  background-color: #fff;
}

.cssdropdown100 {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #64748b 50%),
    linear-gradient(135deg, #64748b 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 38px;
}

#tcdogruicon {
  display: inline-flex;
  min-width: 18px;
  margin-left: 6px;
  font-weight: 700;
}

#kabul {
  width: 17px;
  height: 17px;
  margin: 1px 9px 0 0;
  accent-color: #0f766e;
  vertical-align: top;
}

#kabul + span {
  display: inline-block;
  width: calc(100% - 34px);
  color: #475569;
  font-size: 13px;
  line-height: 1.4;
}

.cssbutontumu {
  width: 100%;
  min-height: 48px;
  margin-top: 6px;
  padding: 12px 18px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  box-shadow: 0 12px 24px rgba(185, 28, 28, 0.22);
  color: #fff;
  cursor: pointer;
  font-family: "Roboto", Arial, sans-serif;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
}

.cssbutontumu:hover {
  box-shadow: 0 16px 30px rgba(185, 28, 28, 0.28);
  filter: brightness(1.03);
  transform: translateY(-1px);
}

.cssbutontumu:active {
  box-shadow: 0 8px 18px rgba(185, 28, 28, 0.22);
  transform: translateY(0);
}

.cssbutontumu:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

@media (max-width: 480px) {
  body {
    padding: 12px;
    font-size: 14px;
  }

  .container {
    border-radius: 14px;
  }

  .baslik {
    padding: 16px 14px;
    font-size: 17px;
  }

  .baslik div + div {
    font-size: 13px;
  }

  .bosluk {
    padding: 20px 16px 22px;
  }

  .cssboslukalt1 {
    padding-bottom: 14px;
  }

  .csstextbox100,
  .cssdropdown100,
  .csstextarea {
    font-size: 15px;
  }
}