@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&family=Poppins:wght@400;500;600&family=JetBrains+Mono:wght@400;600&display=swap');

/* ============================================
   RSD Calculator - by Yaseen
   ============================================ */

.rsd-wrapper {
  width: 100%; max-width: 1240px;
  margin: 0 auto; padding: 20px;
  font-family: 'Poppins', sans-serif;
  background: #ffffff; box-sizing: border-box;
}

.rsd-card {
  background: #ffffff; border: 1px solid #e2e8f0;
  border-radius: 20px; padding: 28px; margin-bottom: 20px;
  box-shadow: 0 2px 20px rgba(14,165,233,0.07); box-sizing: border-box;
}

/* Quick */
.rsd-quick-section {
  border: 1.5px dashed #cbd5e1; border-radius: 14px;
  padding: 18px 20px; margin-bottom: 24px; background: #fafcff;
}

.rsd-quick-label {
  font-size: 0.75rem; font-weight: 600; color: #0EA5E9;
  margin: 0 0 12px 0 !important; font-family: 'Poppins', sans-serif;
  text-transform: uppercase; letter-spacing: 1px;
}

.rsd-quick-btns { display: flex; flex-wrap: wrap; gap: 9px; }

.rsd-quick-btn {
  padding: 8px 18px; border-radius: 8px;
  border: 1.5px solid #0EA5E9; background: #0EA5E9;
  color: #ffffff; font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s; font-family: 'Poppins', sans-serif;
}

.rsd-quick-btn:hover { background: #0284c7; transform: translateY(-1px); }

/* Fields */
.rsd-field { margin-bottom: 20px; }

.rsd-label {
  display: block; font-size: 0.8rem; font-weight: 600;
  color: #1e293b; margin-bottom: 8px !important; font-family: 'Poppins', sans-serif;
}

.rsd-label-hint { font-weight: 400; color: #94a3b8; font-size: 0.75rem; margin-left: 6px; }

.rsd-textarea {
  width: 100%; min-height: 150px; padding: 14px 16px;
  border: 2px solid #e2e8f0; border-radius: 12px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.88rem;
  color: #334155; resize: vertical; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #f8fafc; box-sizing: border-box; line-height: 1.8;
}

.rsd-textarea:focus {
  border-color: #0EA5E9; box-shadow: 0 0 0 4px rgba(14,165,233,0.1); background: #fff;
}

.rsd-textarea::placeholder { color: #cbd5e1; font-family: 'Poppins', sans-serif; font-size: 0.82rem; }

.rsd-input-footer {
  display: flex; justify-content: space-between; align-items: center; margin-top: 7px;
}

.rsd-detected { font-size: 0.75rem; color: #94a3b8; font-family: 'Poppins', sans-serif; }
.rsd-detected strong { color: #0EA5E9; font-weight: 700; }

.rsd-clear-btn {
  font-size: 0.75rem; color: #94a3b8; font-family: 'Poppins', sans-serif;
  background: none; border: none; cursor: pointer; font-weight: 600;
  padding: 2px 8px; border-radius: 4px; transition: color 0.2s;
}
.rsd-clear-btn:hover { color: #ef4444; }

/* Options */
.rsd-options-row { display: grid; grid-template-columns: 1fr 260px; gap: 20px; margin-bottom: 18px; }
.rsd-field-opt { margin-bottom: 0; }

.rsd-radio-group { display: flex; flex-direction: column; gap: 10px; }
.rsd-radio-label { cursor: pointer; }
.rsd-radio-label input[type="radio"] { display: none; }

.rsd-radio-box {
  display: block; padding: 12px 16px;
  border: 2px solid #e2e8f0; border-radius: 10px;
  background: #f8fafc; transition: all 0.2s; cursor: pointer;
}

.rsd-radio-label input:checked + .rsd-radio-box {
  border-color: #0EA5E9; background: #f0f9ff;
  box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}

.rsd-radio-title { font-size: 0.85rem; font-weight: 700; color: #334155; font-family: 'Poppins', sans-serif; margin-bottom: 2px; }
.rsd-radio-sub   { font-size: 0.72rem; color: #94a3b8; font-family: 'Poppins', sans-serif; }
.rsd-radio-label input:checked + .rsd-radio-box .rsd-radio-title { color: #0EA5E9; }

.rsd-select {
  width: 100%; padding: 13px 16px;
  border: 2px solid #e2e8f0; border-radius: 12px;
  font-family: 'Poppins', sans-serif; font-size: 0.9rem;
  font-weight: 600; color: #334155; background: #f8fafc;
  outline: none; cursor: pointer; transition: border-color 0.2s;
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px;
  box-sizing: border-box;
}
.rsd-select:focus { border-color: #0EA5E9; box-shadow: 0 0 0 4px rgba(14,165,233,0.1); }

.rsd-tip {
  background: #eff6ff; border-left: 3px solid #0EA5E9;
  border-radius: 0 10px 10px 0; padding: 12px 16px;
  font-size: 0.8rem; color: #1e40af; font-family: 'Poppins', sans-serif;
  margin-bottom: 20px; line-height: 1.6;
}

.rsd-calc-btn {
  width: 100%; padding: 17px; border-radius: 14px; border: none;
  background: #0EA5E9; color: #ffffff;
  font-family: 'Montserrat', sans-serif; font-size: 1rem;
  font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
  cursor: pointer; transition: all 0.25s;
  box-shadow: 0 6px 22px rgba(14,165,233,0.35); box-sizing: border-box;
}

.rsd-calc-btn:hover { background: #0284c7; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(14,165,233,0.4); }
.rsd-calc-btn:active { transform: translateY(0); }

/* Results */
.rsd-results { box-sizing: border-box; }

/* Hero Grid */
.rsd-hero-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 14px; margin-bottom: 16px;
}

.rsd-hero-card {
  background: #334155; border-radius: 18px; padding: 22px 18px;
  text-align: center;
  animation: rsdPop 0.45s cubic-bezier(0.34,1.56,0.64,1) forwards;
  opacity: 0; transform: scale(0.85);
}

.rsd-hero-main { background: #0EA5E9; }

.rsd-hero-label {
  font-size: 0.62rem; font-weight: 600; color: rgba(255,255,255,0.7);
  letter-spacing: 2px; text-transform: uppercase;
  font-family: 'Poppins', sans-serif; margin-bottom: 10px;
}

.rsd-hero-val {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem; font-weight: 900; color: #ffffff;
  line-height: 1; margin-bottom: 6px; word-break: break-all;
}

.rsd-blue { color: #38bdf8; }

.rsd-hero-sub {
  font-size: 0.65rem; color: rgba(255,255,255,0.5);
  font-family: 'Poppins', sans-serif; text-transform: uppercase; letter-spacing: 1px;
}

/* Quality Card */
.rsd-quality-card {
  display: flex; align-items: center; gap: 24px;
  background: #ffffff; border: 1px solid #e2e8f0;
  border-radius: 16px; padding: 20px 24px; margin-bottom: 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  animation: rsdFade 0.5s ease forwards;
}

.rsd-quality-left { flex-shrink: 0; text-align: center; }

.rsd-quality-badge {
  display: inline-block; padding: 8px 20px; border-radius: 100px;
  font-family: 'Montserrat', sans-serif; font-size: 0.85rem;
  font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 6px;
}

.rsd-quality-title {
  font-size: 0.65rem; color: #94a3b8; font-family: 'Poppins', sans-serif;
  text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600;
}

.rsd-quality-right { flex: 1; }

.rsd-quality-desc {
  font-size: 0.85rem; color: #64748b; font-family: 'Poppins', sans-serif;
  line-height: 1.6; margin-bottom: 12px;
}

.rsd-quality-bar-wrap {
  display: flex; align-items: center; gap: 12px;
}

.rsd-quality-bar-track {
  flex: 1; height: 8px; background: #f1f5f9; border-radius: 4px; overflow: hidden;
}

.rsd-quality-bar-fill {
  height: 100%; border-radius: 4px;
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
}

.rsd-quality-pct {
  font-family: 'Montserrat', sans-serif; font-size: 0.85rem;
  font-weight: 800; color: #334155; white-space: nowrap;
}

/* Section title */
.rsd-section-title {
  font-family: 'Montserrat', sans-serif; font-size: 0.78rem;
  font-weight: 800; color: #0EA5E9; letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 14px;
}

/* Stats Grid */
.rsd-stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 12px; margin-bottom: 4px;
}

.rsd-stat-card {
  background: #f8fafc; border: 1px solid #e2e8f0;
  border-radius: 12px; padding: 14px 12px; text-align: center;
  animation: rsdSlide 0.3s ease forwards; opacity: 0; transform: translateY(8px);
}

.rsd-stat-label {
  font-size: 0.62rem; font-weight: 600; color: #94a3b8;
  letter-spacing: 1.5px; text-transform: uppercase;
  font-family: 'Poppins', sans-serif; margin-bottom: 7px;
}

.rsd-stat-val {
  font-family: 'Montserrat', sans-serif; font-size: 1rem;
  font-weight: 800; color: #334155; word-break: break-all;
}

.rsd-stat-val.hl { color: #0EA5E9; }

/* Steps */
.rsd-steps { display: flex; flex-direction: column; gap: 10px; margin-bottom: 4px; }

.rsd-step {
  background: #ffffff; border: 1px solid #e2e8f0;
  border-left: 4px solid #0EA5E9; border-radius: 0 14px 14px 0;
  overflow: hidden; animation: rsdSlide2 0.35s ease forwards;
  opacity: 0; transform: translateX(-8px);
}

.rsd-step-head {
  background: #f8fafc; padding: 11px 16px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid #f1f5f9;
}

.rsd-step-num {
  width: 24px; height: 24px; background: #0EA5E9; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif; font-size: 0.7rem;
  font-weight: 800; color: #ffffff; flex-shrink: 0;
}

.rsd-step-title {
  font-family: 'Montserrat', sans-serif; font-size: 0.8rem;
  font-weight: 800; color: #334155; letter-spacing: 0.5px;
}

.rsd-step-body { padding: 14px 16px; }

.rsd-formula {
  background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px;
  padding: 12px 16px; font-family: 'JetBrains Mono', monospace;
  font-size: 0.86rem; color: #334155; font-weight: 600; line-height: 1.9;
  overflow-x: auto;
}

/* Data Table */
.rsd-table-wrap { overflow-x: auto; margin-bottom: 4px; }

.rsd-table {
  width: 100%; border-collapse: collapse;
  font-family: 'Poppins', sans-serif; font-size: 0.82rem;
}

.rsd-table thead tr { background: #334155; }

.rsd-table th {
  padding: 11px 14px; color: #94a3b8;
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; text-align: left;
}

.rsd-table td {
  padding: 10px 14px; border-bottom: 1px solid #f1f5f9;
  font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; color: #334155;
}

.rsd-table tr:last-child td { border-bottom: none; }
.rsd-table tr:nth-child(even) td { background: #fafcff; }
.rsd-table td.pos { color: #22c55e; font-weight: 700; }
.rsd-table td.neg { color: #f87171; font-weight: 700; }
.rsd-table td.hl  { color: #0EA5E9; font-weight: 700; }

/* Chart */
.rsd-chart-card {
  background: #ffffff; border: 1px solid #e2e8f0;
  border-radius: 16px; padding: 22px; margin-bottom: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04); overflow: hidden;
}

/* Reset */
.rsd-reset-btn {
  display: block; margin: 0 auto; padding: 12px 32px;
  border-radius: 10px; border: 2px solid #0EA5E9; background: transparent;
  color: #0EA5E9; font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; cursor: pointer; transition: all 0.2s;
}
.rsd-reset-btn:hover { background: #0EA5E9; color: #ffffff; }

/* Animations */
@keyframes rsdPop   { to { opacity:1; transform:scale(1); } }
@keyframes rsdFade  { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }
@keyframes rsdSlide { to { opacity:1; transform:translateY(0); } }
@keyframes rsdSlide2{ to { opacity:1; transform:translateX(0); } }

/* Responsive */
@media (max-width: 900px) {
  .rsd-hero-grid  { grid-template-columns: 1fr 1fr; }
  .rsd-stats-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .rsd-options-row { grid-template-columns: 1fr; }
  .rsd-hero-grid   { grid-template-columns: 1fr 1fr; }
  .rsd-stats-grid  { grid-template-columns: repeat(2, 1fr); }
  .rsd-quality-card{ flex-direction: column; align-items: flex-start; }
  .rsd-card        { padding: 18px; }
}