/* =============================================
   Due Date Calculator Pro — WordPress Plugin
   Benchmarked: calculator.net style
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;500;600;700&family=Roboto+Mono:wght@400;500&display=swap');

:root {
  --ddp-primary:       #7b1fa2;
  --ddp-primary-dark:  #4a148c;
  --ddp-primary-light: #f3e5f5;
  --ddp-pink:          #e91e8c;
  --ddp-pink-light:    #fce4ec;
  --ddp-green:         #2e7d32;
  --ddp-blue:          #1565c0;
  --ddp-orange:        #e65100;
  --ddp-bg:            #f8f9fa;
  --ddp-card:          #ffffff;
  --ddp-border:        #dadce0;
  --ddp-text:          #202124;
  --ddp-muted:         #5f6368;
  --ddp-radius:        8px;
  --ddp-shadow:        0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --ddp-font:          'Source Sans 3', sans-serif;
  --ddp-mono:          'Roboto Mono', monospace;
}

/* WRAPPER */
.ddp-wrapper {
  font-family: var(--ddp-font);
  color: var(--ddp-text);
  background: var(--ddp-bg);
  border: 1px solid var(--ddp-border);
  border-radius: var(--ddp-radius);
  overflow: hidden;
  max-width: 980px;
  margin: 20px auto;
  box-shadow: var(--ddp-shadow);
}

/* HEADER */
.ddp-header {
  background: linear-gradient(135deg, var(--ddp-primary) 0%, var(--ddp-pink) 100%);
  padding: 18px 24px;
  border-bottom: 3px solid var(--ddp-primary-dark);
}
.ddp-title {
  margin: 0 0 3px !important;
  font-size: 22px !important;
  font-weight: 700 !important;
  color: #fff !important;
  line-height: 1.2 !important;
}
.ddp-subtitle {
  margin: 0 !important;
  font-size: 13px !important;
  color: rgba(255,255,255,.85) !important;
}

/* BODY */
.ddp-body {
  display: flex;
  align-items: flex-start;
}
.ddp-inputs {
  width: 290px;
  min-width: 260px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--ddp-border);
}
.ddp-results {
  flex: 1;
  padding: 16px;
  background: var(--ddp-bg);
}

/* TABS */
.ddp-tabs {
  display: flex;
  border-bottom: 2px solid var(--ddp-border);
}
.ddp-tab {
  flex: 1;
  padding: 10px 4px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--ddp-font);
  text-transform: uppercase;
  letter-spacing: .4px;
  border: none;
  background: #fff;
  color: var(--ddp-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color .15s, border-color .15s;
}
.ddp-tab:hover  { color: var(--ddp-primary); }
.ddp-tab.active { color: var(--ddp-primary); border-bottom-color: var(--ddp-primary); }

/* PANELS */
.ddp-panel { padding: 14px; }

/* CARD */
.ddp-card {
  background: var(--ddp-card);
  border: 1px solid var(--ddp-border);
  border-radius: var(--ddp-radius);
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: var(--ddp-shadow);
}
.ddp-section-title {
  font-size: 12px !important;
  font-weight: 700 !important;
  color: var(--ddp-text) !important;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin: 0 0 12px !important;
  padding-bottom: 7px !important;
  border-bottom: 2px solid var(--ddp-primary-light);
}

/* FIELDS */
.ddp-field { margin-bottom: 10px; }
.ddp-field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--ddp-muted);
  text-transform: uppercase;
  letter-spacing: .4px;
  margin-bottom: 4px;
}
.ddp-field input[type="date"],
.ddp-field input[type="number"],
.ddp-field select {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--ddp-border);
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--ddp-font);
  color: var(--ddp-text);
  background: #fff;
  box-sizing: border-box;
  transition: border-color .2s, box-shadow .2s;
}
.ddp-field input:focus,
.ddp-field select:focus {
  outline: none;
  border-color: var(--ddp-primary);
  box-shadow: 0 0 0 3px rgba(123,31,162,.14);
}
.ddp-igroup {
  display: flex;
  border: 1px solid var(--ddp-border);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.ddp-igroup:focus-within {
  border-color: var(--ddp-primary);
  box-shadow: 0 0 0 3px rgba(123,31,162,.14);
}
.ddp-igroup input {
  border: none !important;
  box-shadow: none !important;
  flex: 1;
}
.ddp-suf {
  padding: 7px 9px;
  background: #f1f3f4;
  font-size: 13px;
  font-weight: 600;
  color: var(--ddp-muted);
  border-left: 1px solid var(--ddp-border);
  user-select: none;
}
.ddp-hint {
  font-size: 11px !important;
  color: var(--ddp-muted) !important;
  margin: 6px 0 10px !important;
  line-height: 1.5 !important;
  background: var(--ddp-primary-light);
  padding: 7px 9px;
  border-radius: 4px;
  border-left: 3px solid var(--ddp-primary);
}

/* BUTTONS */
.ddp-btn {
  width: 100%;
  padding: 9px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--ddp-font);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 7px;
  transition: background .15s, box-shadow .15s, transform .1s;
}
.ddp-btn:not(.ddp-btn-reset) {
  background: var(--ddp-primary);
  color: #fff;
}
.ddp-btn:not(.ddp-btn-reset):hover {
  background: var(--ddp-primary-dark);
  box-shadow: 0 2px 8px rgba(123,31,162,.35);
}
.ddp-btn:active { transform: scale(.98); }
.ddp-btn-reset {
  background: #fff !important;
  color: var(--ddp-muted) !important;
  border: 1px solid var(--ddp-border) !important;
}
.ddp-btn-reset:hover { background: #f1f3f4 !important; }

/* STAT GRID */
.ddp-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 9px;
  margin-bottom: 12px;
}
.ddp-stat {
  background: var(--ddp-card);
  border: 1px solid var(--ddp-border);
  border-radius: var(--ddp-radius);
  padding: 12px 14px;
  box-shadow: var(--ddp-shadow);
}
.ddp-stat .s-lbl {
  font-size: 10px;
  font-weight: 700;
  color: var(--ddp-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 5px;
}
.ddp-stat .s-val {
  font-size: 15px;
  font-weight: 700;
  font-family: var(--ddp-mono);
  color: var(--ddp-primary);
  line-height: 1.2;
}
.ddp-stat .s-sub {
  font-size: 11px;
  color: var(--ddp-muted);
  margin-top: 3px;
}
.ddp-stat.highlight {
  background: linear-gradient(135deg, var(--ddp-primary) 0%, var(--ddp-pink) 100%);
  border-color: var(--ddp-primary-dark);
}
.ddp-stat.highlight .s-lbl { color: rgba(255,255,255,.8); }
.ddp-stat.highlight .s-val { color: #fff; font-size: 18px; }
.ddp-stat.highlight .s-sub { color: rgba(255,255,255,.7); }
.ddp-stat.green .s-val { color: var(--ddp-green); }
.ddp-stat.blue  .s-val { color: var(--ddp-blue); }
.ddp-stat.orange .s-val { color: var(--ddp-orange); }

/* TIMELINE */
.ddp-timeline {
  position: relative;
  padding: 10px 0 4px;
}
.ddp-timeline-bar {
  height: 14px;
  border-radius: 7px;
  background: #e0e0e0;
  position: relative;
  overflow: hidden;
  margin-bottom: 8px;
}
.ddp-timeline-fill {
  height: 100%;
  border-radius: 7px;
  background: linear-gradient(90deg, var(--ddp-primary), var(--ddp-pink));
  transition: width .6s ease;
}
.ddp-timeline-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ddp-muted);
  margin-bottom: 10px;
}
.ddp-tri-labels {
  display: flex;
  font-size: 11px;
  font-weight: 600;
}
.ddp-tri-label {
  flex: 1;
  text-align: center;
  padding: 4px 2px;
  border-radius: 3px;
  font-size: 10px;
}
.ddp-tri-1 { background: #e8f5e9; color: #2e7d32; }
.ddp-tri-2 { background: #e3f2fd; color: #1565c0; margin: 0 4px; }
.ddp-tri-3 { background: #fce4ec; color: #880e4f; }
.ddp-progress-text {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--ddp-primary);
  margin-top: 6px;
}

/* TABLE */
.ddp-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.ddp-table thead tr {
  background: linear-gradient(90deg, var(--ddp-primary), var(--ddp-pink));
}
.ddp-table thead th {
  padding: 8px 11px;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  text-align: left;
  white-space: nowrap;
}
.ddp-table tbody tr:nth-child(odd)  { background: #fafafa; }
.ddp-table tbody tr:nth-child(even) { background: #fff; }
.ddp-table tbody tr:hover { background: var(--ddp-primary-light); }
.ddp-table td {
  padding: 8px 11px;
  border-bottom: 1px solid var(--ddp-border);
  font-size: 12px;
}
.ddp-table td:first-child { font-weight: 700; color: var(--ddp-text); }
.ddp-table .td-date { font-family: var(--ddp-mono); color: var(--ddp-primary); }
.ddp-table .td-milestone { color: var(--ddp-muted); font-size: 11px; }
.ddp-table tr.ddp-row-t1 td:first-child { color: var(--ddp-green); }
.ddp-table tr.ddp-row-t2 td:first-child { color: var(--ddp-blue); }
.ddp-table tr.ddp-row-t3 td:first-child { color: #880e4f; }
.ddp-table tr.ddp-milestone-highlight td { background: var(--ddp-primary-light) !important; font-weight: 600; }

/* INFO */
.ddp-info-card { font-size: 12px; color: var(--ddp-muted); }
.ddp-info-card p { margin: 0 0 6px !important; font-size: 12px !important; line-height: 1.5 !important; }

/* RESPONSIVE */
@media (max-width: 680px) {
  .ddp-body { flex-direction: column; }
  .ddp-inputs { width: 100%; border-right: none; border-bottom: 1px solid var(--ddp-border); }
  .ddp-stat-grid { grid-template-columns: 1fr 1fr; }
  .ddp-stat.highlight .s-val { font-size: 15px; }
}