/*this is a css common for the theme of the website - used in sample_size_calculator folder and its files*/

/* =========================
   GLOBAL PAGE STYLES
   ========================= */


body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #e8eef5 0%, #f5f7fa 100%);
  margin: 0;
  padding: 20px;
  color: #1f2937;
}

h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

p {
  margin-top: 4px;
  margin-bottom: 12px;
  color: #4b5563;
}

/* =========================
   CONTAINER & CARDS
   ========================= */

.page-container,
.container {
  max-width: 1600px;
  margin: 0 auto;
}


.card,
.section {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 36px;              /* increased */
  margin-bottom: 24px;
  border: 1px solid #e1e8ed;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06); /* slightly stronger */
}


/* =========================
   FORM ELEMENTS
   ========================= */

label {
  font-weight: 600;
  font-size: 14px;
  display: block;
  margin-bottom: 4px;
}

input,
select {
  width: 100%;
  padding: 8px 10px;
  font-size: 14px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  box-sizing: border-box;
}

input:disabled {
  background-color: #f1f5f9;
  color: #6b7280;
}

.form-group {
  margin-bottom: 16px;
}

.helper-text {
  font-size: 12px;
  color: #6b7280;
  margin-top: 4px;
}

/* =========================
   BUTTONS
   ========================= */

button,
.primary-btn {
  background-color: #2563eb;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
}

button:hover,
.primary-btn:hover {
  background-color: #1d4ed8;
}

/* =========================
   GRID & ROW HELPERS
   ========================= */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.allocation-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* =========================
   TOOLTIP
   ========================= */

.tooltip {
  display: inline-block;
  margin-left: 6px;
  cursor: pointer;
  color: #6b7280;
  position: relative;
  font-weight: 600;
}

.tooltip-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  margin-left: 1px;
  border-radius: 50%;
  border: 1px solid #9ca3af;
  font-size: 11px;
  font-weight: 600;
  color: #6b7280;
  cursor: pointer;
}


.tooltip-text {
  display: none;
  position: absolute;
  background-color: #111827;
  color: #ffffff;
  padding: 8px;
  border-radius: 6px;
  width: 260px;
  font-size: 12px;
  top: 22px;
  left: 0;
  z-index: 20;
}

.tooltip-icon:hover .tooltip-text {
  display: block;
}


/* =========================
   UTILITIES
   ========================= */

.hidden {
  display: none;
}


/* =========================
   OUTPUT SECTIONS
   ========================= */

#outputSection > div {
  margin-bottom: 28px;
}

/* =========================
   TABLES (Sensitivity)
   ========================= */

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
  font-size: 14px;
}

th {
  background-color: #f8fafc;
  font-weight: 600;
}

/* =========================
   DESIGN INTEGRITY BADGE
   ========================= */

.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.badge-efficient {
  background-color: #dcfce7;
  color: #166534;
}

.badge-costly {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-impractical {
  background-color: #fee2e2;
  color: #991b1b;
}


/* =========================
   HOME PAGE GRID
   ========================= */

.home-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

/* Card behavior */
.home-card {
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}

.home-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

/* Blue underline like calculator sections */
.section-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #2563eb;
}

/* Make card content breathe */
.home-card p {
  font-size: 14.5px;
  line-height: 1.55;
}

/* =========================
   RESPONSIVE BEHAVIOR
   ========================= */

@media (max-width: 900px) {
  .home-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================
   HOME PAGE TITLE (ANCHOR CARD — FRAMED)
   ========================= */

.home-title-card {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 36px 40px;
  margin-bottom: 48px;

  /* full frame */
  border: 2px solid #0b0b0c;

  /* controlled elevation */
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.home-title-card h1 {
  font-size: 32px;
  font-weight: 650;
  margin: 0 0 10px 0;
  letter-spacing: -0.4px;
}

.home-subtitle {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: #475569;
  max-width: 900px;
}


/* =========================
   WIDE HOME TITLE WRAPPER
   ========================= */

.home-title-wrapper {
  max-width: 2400px;          /* wider than tool grid */
  margin: 24px auto 0 auto;   /* center on page */
  padding: 0 20px;            /* side breathing room */
}

.home-title-card {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 1px 1px;
  margin-bottom: 48px;

  /* full frame */
  border: 2px solid #2563eb;

  /* elevation */
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.home-title-card h1 {
  font-size: 32px;
  font-weight: 650;
  margin: 0 0 10px 0;
  letter-spacing: -0.4px;
}

.home-subtitle {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: #475569;
  max-width: 1000px;
}

.home-title-inner {
  display: flex;
  align-items: center;
  position: relative;
}

.home-logo {
  height: 220px;
  width: auto;
  flex-shrink: 0;
}

.home-title-text {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  max-width: 1100px;
}

.home-title-card {
  padding: 1px !important;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-emoji {
  font-size: 18px;
  line-height: 1;
}

/* =========================
   HOME TITLE FEEDBACK (anchored)
   ========================= */

.home-feedback {
  margin-left: auto;
  margin-right: 12px;
  padding-left: 14px;
  border-left: 1px solid #1d1d22;

  text-align: right;
  font-size: 13px;
  color: #6b7280;
  line-height: 1.45;

  opacity: 0.9;
}

.home-feedback a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
}

.home-feedback a:hover {
  text-decoration: underline;
}