/* -------------------------
   1. Base Styles
-------------------------- */
:root {
  font-family: Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

html, body {
  height: 100%;
}

body {
  margin: 24px;
  background: #f7f7fb;
  color: #111;
  max-width: 100%;       /* Prevent overflow */
  overflow-x: hidden;    /* Disable horizontal scroll */
}

header h3 {
  margin: 0 0 12px;
}

/* Accessibility helper */
.sr-only {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px,1px,1px,1px);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

/* -------------------------
   2. Table Layout
-------------------------- */
.table-wrap {
  overflow-x: auto;
  background: #fff;
  padding: 12px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(16,24,40,.06);
  margin-bottom: 12px;
  max-width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 320px;   /* Smaller min-width for phones */
}

thead {
  background: #0f172a;
  color: #fff;
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid #e6e9ef;
  text-align: left;
}

tbody tr:nth-child(even) {
  background: #f4f6fb;
}

/* Sticky table headers */
thead th {
  position: sticky;
  top: 0;
  z-index: 2;
}

/* -------------------------
   3. Form Layout
-------------------------- */
#add-score-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

#add-score-form label {
  display: flex;
  flex-direction: column;
  font-size: 13px;
}

#add-score-form input,
#add-score-form button {
  font-size: 13px;
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid #ccd0da;
}

#add-score-form button {
  background: #0f172a;
  color: #fff;
  border: 0;
  cursor: pointer;
}

#add-score-form button:hover {
  opacity: 0.95;
}

/* -------------------------
   4. Responsive Styles
-------------------------- */

/* Tablet & Small Screens (≤768px) */
@media (max-width: 768px) {
  body { margin: 12px; }
  table { font-size: 14px; }
  th, td { padding: 8px 10px; }
}

/* Mobile Card Table (≤560px) */
@media (max-width: 560px) {
  .table-wrap { padding: 8px; }

  table, thead, tbody, th, td, tr {
    display: block;
  }

  thead {
    position: relative;
    clip: auto;
    height: auto;
  }

  tr {
    margin-bottom: 12px;
    border-radius: 8px;
    background: #fff;
    padding: 10px;
    box-shadow: 0 1px 2px rgba(16,24,40,.04);
  }

  th { display: none; }

  td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    border-bottom: 0;
  }

  td::before {
    content: attr(data-label);
    font-weight: 600;
    margin-right: 8px;
    color: #334155;
  }
}

/* iPhone SE / Small Phones (≤375px) */
@media (max-width: 375px) {
  body {
    margin: 5px;
    font-size: 14px;
  }

  header h3 {
    font-size: 16px;
    text-align: center;
  }

  #add-score-form {
    flex-direction: column;
    gap: 6px;
  }

  #add-score-form input,
  #add-score-form button {
    font-size: 14px;
    padding: 6px;
    width: 100%;
  }

  .table-wrap { padding: 6px; }

  table {
    min-width: 100%;
    font-size: 13px;
  }

  tr {
    margin-bottom: 10px;
    padding: 5px;
  }

  td {
    font-size: 13px;
    padding: 6px 8px;
  }
}

/* Specific device viewport: 375×667 (e.g. iPhone 8 portrait)
   This targets exact viewport dimensions and applies small adjustments
   without overriding broader mobile rules. */
@media (width: 375px) and (height: 667px) and (orientation: portrait) {
  body {
    margin: 6px;
    font-size: 15px;
    line-height: 1.3;
  }

  header h3 {
    font-size: 17px;
    text-align: center;
  }

  #add-score-form {
    gap: 6px;
  }

  #add-score-form input,
  #add-score-form button {
    font-size: 15px;
    padding: 8px;
    width: 100%;
  }

  .table-wrap {
    padding: 8px;
  }

  table {
    font-size: 14px;
  }

  th, td {
    padding: 8px 10px;
  }

  tr {
    padding: 8px;
    margin-bottom: 10px;
  }
}

/* Safe-area and iOS scrolling improvements for notched devices (iPhone X, etc.) */


body {
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

.table-wrap {
  -webkit-overflow-scrolling: touch; /* smooth momentum scrolling on iOS */
  padding-left: max(12px, env(safe-area-inset-left));
  padding-right: max(12px, env(safe-area-inset-right));
}