/* =============================================
   GPA Calculator Pro — WordPress Plugin Styles
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500&display=swap');

.gpac-wrap {
  --gpac-bg:       #0f0f13;
  --gpac-card:     #18181f;
  --gpac-border:   #2a2a35;
  --gpac-accent:   #6c63ff;
  --gpac-accent2:  #ff6584;
  --gpac-green:    #43e97b;
  --gpac-text:     #e8e8f0;
  --gpac-muted:    #7b7b99;
  --gpac-radius:   14px;
  --gpac-font:     'DM Sans', sans-serif;
  --gpac-head:     'Syne', sans-serif;

  font-family: var(--gpac-font);
  background: var(--gpac-bg);
  color: var(--gpac-text);
  border-radius: 20px;
  padding: 40px 36px;
  max-width: 780px;
  margin: 32px auto;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px var(--gpac-border);
  position: relative;
  overflow: hidden;
}

.gpac-wrap::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(108,99,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* Header */
.gpac-header {
  text-align: center;
  margin-bottom: 32px;
}

.gpac-logo {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--gpac-accent), var(--gpac-accent2));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}

.gpac-logo svg {
  width: 26px; height: 26px;
  color: #fff;
}

.gpac-header h2 {
  font-family: var(--gpac-head);
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 6px;
  background: linear-gradient(135deg, #fff 40%, var(--gpac-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gpac-header p {
  color: var(--gpac-muted);
  font-size: 14px;
  margin: 0;
}

/* Scale Toggle */
.gpac-scale-toggle {
  display: flex;
  gap: 8px;
  background: var(--gpac-card);
  border: 1px solid var(--gpac-border);
  border-radius: 10px;
  padding: 5px;
  width: fit-content;
  margin: 0 auto 28px;
}

.gpac-scale-btn {
  padding: 7px 22px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--gpac-muted);
  font-family: var(--gpac-font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.gpac-scale-btn.active {
  background: var(--gpac-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(108,99,255,0.4);
}

/* Course Rows */
.gpac-courses {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.gpac-row {
  display: grid;
  grid-template-columns: 1fr 90px 130px 36px;
  gap: 10px;
  align-items: end;
  background: var(--gpac-card);
  border: 1px solid var(--gpac-border);
  border-radius: var(--gpac-radius);
  padding: 14px 16px;
  animation: gpac-slide-in 0.25s ease;
  transition: border-color 0.2s;
}

.gpac-row:hover { border-color: var(--gpac-accent); }

@keyframes gpac-slide-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.gpac-removing {
  animation: gpac-slide-out 0.25s ease forwards;
}

@keyframes gpac-slide-out {
  to { opacity: 0; transform: translateX(20px); }
}

.gpac-field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--gpac-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 5px;
}

.gpac-input {
  width: 100%;
  background: var(--gpac-bg);
  border: 1px solid var(--gpac-border);
  border-radius: 8px;
  padding: 8px 11px;
  color: var(--gpac-text);
  font-family: var(--gpac-font);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.gpac-input:focus {
  border-color: var(--gpac-accent);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}

select.gpac-input { cursor: pointer; }

.gpac-row-remove {
  width: 34px; height: 34px;
  background: transparent;
  border: 1px solid var(--gpac-border);
  border-radius: 8px;
  color: var(--gpac-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  transition: all 0.2s;
  align-self: end;
}

.gpac-row-remove svg { width: 14px; height: 14px; }
.gpac-row-remove:hover { background: rgba(255,101,132,0.1); border-color: var(--gpac-accent2); color: var(--gpac-accent2); }

/* Actions */
.gpac-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.gpac-btn-add {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 20px;
  background: transparent;
  border: 1px dashed var(--gpac-border);
  border-radius: var(--gpac-radius);
  color: var(--gpac-muted);
  font-family: var(--gpac-font);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.gpac-btn-add svg { width: 15px; height: 15px; }
.gpac-btn-add:hover { border-color: var(--gpac-accent); color: var(--gpac-accent); background: rgba(108,99,255,0.05); }

.gpac-btn-calc {
  flex: 1;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--gpac-accent), #8b5cf6);
  border: none;
  border-radius: var(--gpac-radius);
  color: #fff;
  font-family: var(--gpac-head);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: all 0.2s;
  box-shadow: 0 8px 24px rgba(108,99,255,0.35);
}

.gpac-btn-calc:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(108,99,255,0.5);
}

/* Result */
.gpac-result {
  margin-bottom: 28px;
  animation: gpac-fade-in 0.4s ease;
}

@keyframes gpac-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.gpac-result-inner {
  background: linear-gradient(135deg, rgba(108,99,255,0.1), rgba(139,92,246,0.05));
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 16px;
  padding: 28px;
}

.gpac-gpa-display {
  text-align: center;
  margin-bottom: 24px;
}

.gpac-gpa-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gpac-muted);
  margin-bottom: 4px;
}

.gpac-gpa-value {
  font-family: var(--gpac-head);
  font-size: 72px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #fff, var(--gpac-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gpac-gpa-scale {
  font-size: 22px;
  color: var(--gpac-muted);
  margin-left: 4px;
}

/* Stats */
.gpac-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.gpac-stat {
  background: var(--gpac-card);
  border: 1px solid var(--gpac-border);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}

.gpac-stat-val {
  display: block;
  font-family: var(--gpac-head);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.gpac-stat-lbl {
  font-size: 11px;
  color: var(--gpac-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Progress Bar */
.gpac-bar-wrap {
  background: var(--gpac-bg);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 14px;
}

.gpac-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--gpac-accent), var(--gpac-green));
  border-radius: 999px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
}

/* Standing */
.gpac-standing {
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  display: inline-block;
  width: 100%;
  box-sizing: border-box;
}

.gpac-standing-gold   { background: rgba(255,215,0,0.1);  color: #ffd700; }
.gpac-standing-silver { background: rgba(192,192,192,0.1); color: #c0c0c0; }
.gpac-standing-bronze { background: rgba(205,127,50,0.1);  color: #cd7f32; }
.gpac-standing-good   { background: rgba(67,233,123,0.1);  color: var(--gpac-green); }
.gpac-standing-ok     { background: rgba(255,193,7,0.1);   color: #ffc107; }
.gpac-standing-low    { background: rgba(255,101,132,0.1); color: var(--gpac-accent2); }

/* Reference */
.gpac-reference {
  background: var(--gpac-card);
  border: 1px solid var(--gpac-border);
  border-radius: var(--gpac-radius);
  padding: 20px;
}

.gpac-reference h4 {
  font-family: var(--gpac-head);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gpac-muted);
  margin: 0 0 14px;
}

.gpac-ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  gap: 8px;
}

.gpac-ref-item {
  background: var(--gpac-bg);
  border: 1px solid var(--gpac-border);
  border-radius: 8px;
  padding: 8px 6px;
  text-align: center;
}

.gpac-ref-letter {
  display: block;
  font-family: var(--gpac-head);
  font-weight: 700;
  font-size: 14px;
  color: var(--gpac-accent);
}

.gpac-ref-points {
  font-size: 11px;
  color: var(--gpac-muted);
}

/* Responsive */
@media (max-width: 580px) {
  .gpac-wrap { padding: 24px 18px; }
  .gpac-row { grid-template-columns: 1fr 70px; grid-template-rows: auto auto; }
  .gpac-field-name { grid-column: 1 / -1; }
  .gpac-row-remove { grid-row: 2; justify-self: end; }
  .gpac-gpa-value { font-size: 52px; }
  .gpac-stats { grid-template-columns: repeat(3,1fr); }
}