/* =============================================================================
   SRN Prompt Box — style.css  (Clean Premium Redesign)
   All styles are scoped under .srn-pb-wrapper.
   ============================================================================= */

/* ── CSS Variables — Light Mode (default) ── */
.srn-pb-wrapper {
  --srn-bg:           #FFFFFF;
  --srn-prompt-bg:    #F6F8FC;
  --srn-border:       #E5E7EB;
  --srn-text:         #111827;
  --srn-text-muted:   #6B7280;
  --srn-accent:       #2563EB;
  --srn-radius-box:   18px;
  --srn-radius-btn:   12px;
  --srn-transition:   0.2s ease;
}

/* ── CSS Variables — Dark Mode ── */
.srn-pb-wrapper[data-theme="dark"] {
  --srn-bg:           #081224;
  --srn-prompt-bg:    #111C33;
  --srn-border:       #1E3A5F;
  --srn-text:         #FFFFFF;
  --srn-text-muted:   #94A3B8;
}

/* ── Scoped Reset ── */
.srn-pb-wrapper *,
.srn-pb-wrapper *::before,
.srn-pb-wrapper *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Wrapper ── */
.srn-pb-wrapper {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--srn-bg);
  color: var(--srn-text);
  border: 1px solid var(--srn-border);
  border-radius: var(--srn-radius-box);
  padding: 28px 28px 24px;
  width: 100%;
  transition: background var(--srn-transition),
              color var(--srn-transition),
              border-color var(--srn-transition);
  line-height: 1;
}

/* Hide legacy orbs */
.srn-pb-orb { display: none; }

/* Card is the full-width wrapper — no inner narrow card */
.srn-pb-card { width: 100%; }

/* ── Header ── */
.srn-pb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.srn-pb-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.srn-pb-brand-icon {
  width: 36px;
  height: 36px;
  background: var(--srn-accent);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.srn-pb-brand-icon svg {
  width: 18px;
  height: 18px;
  color: #fff;
}
.srn-pb-brand-text { line-height: 1.25; }
.srn-pb-brand-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--srn-text);
  letter-spacing: -0.01em;
}
.srn-pb-brand-text span {
  font-size: 0.68rem;
  color: var(--srn-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Theme Toggle ── */
.srn-pb-theme-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--srn-prompt-bg);
  border: 1px solid var(--srn-border);
  border-radius: 50px;
  padding: 7px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--srn-text);
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
  transition: background var(--srn-transition), border-color var(--srn-transition);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}
.srn-pb-theme-toggle:hover {
  border-color: var(--srn-accent);
}
.srn-pb-theme-toggle:focus-visible {
  outline: 2px solid var(--srn-accent);
  outline-offset: 2px;
}
.srn-pb-theme-toggle svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── Prompt Section ── */
.srn-pb-prompt-wrap {
  position: relative;
  margin-bottom: 20px;
}

.srn-pb-prompt-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--srn-accent);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
  text-transform: none;
}
.srn-pb-prompt-label svg {
  width: 16px;
  height: 16px;
}

/* Prompt box — collapsed by default */
.srn-pb-prompt-box {
  position: relative;
  background: var(--srn-prompt-bg);
  border: 1px solid var(--srn-border);
  border-radius: var(--srn-radius-box);
  padding: 20px 20px 52px;
  max-height: 320px;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              border-color var(--srn-transition);
}
.srn-pb-prompt-box:hover {
  border-color: var(--srn-accent);
}
.srn-pb-prompt-box.srn-pb-expanded {
  max-height: 2000px;
  overflow-y: auto;
}

/* Custom Scrollbar */
.srn-pb-prompt-box::-webkit-scrollbar              { width: 5px; }
.srn-pb-prompt-box::-webkit-scrollbar-track        { background: var(--srn-border); border-radius: 10px; }
.srn-pb-prompt-box::-webkit-scrollbar-thumb        { background: var(--srn-accent); border-radius: 10px; opacity: 0.5; }
.srn-pb-prompt-box::-webkit-scrollbar-thumb:hover  { opacity: 0.8; }

/* Prompt text — monospace */
.srn-pb-prompt-content {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--srn-text);
  white-space: pre-wrap;
  word-break: break-word;
  user-select: text;
}

/* Fade gradient — hidden when expanded */
.srn-pb-prompt-fade {
  position: absolute;
  left: 0; right: 0; bottom: 44px;
  height: 52px;
  background: linear-gradient(to bottom, transparent, var(--srn-prompt-bg));
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.srn-pb-prompt-box.srn-pb-expanded .srn-pb-prompt-fade {
  opacity: 0;
}

/* Character counter bar */
.srn-pb-counter-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 8px 16px;
  background: var(--srn-prompt-bg);
  border-top: 1px solid var(--srn-border);
  border-radius: 0 0 calc(var(--srn-radius-box) - 1px) calc(var(--srn-radius-box) - 1px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.srn-pb-char-count {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--srn-accent);
  letter-spacing: 0.02em;
  transition: color var(--srn-transition);
}
.srn-pb-char-count.srn-warn   { color: #F59E0B; }
.srn-pb-char-count.srn-danger { color: #EF4444; }
.srn-pb-counter-icon {
  font-size: 0.67rem;
  color: var(--srn-text-muted);
}

/* ── Read More / Show Less ── */
.srn-pb-read-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}
.srn-pb-read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 22px;
  border: 1px solid var(--srn-accent);
  border-radius: 50px;
  background: transparent;
  color: var(--srn-accent);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
  transition: background var(--srn-transition),
              transform 0.18s ease;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}
.srn-pb-read-more-btn:hover {
  background: rgba(37, 99, 235, 0.07);
  transform: translateY(-1px);
}
.srn-pb-read-more-btn:active {
  transform: scale(0.97);
}
.srn-pb-read-more-btn:focus-visible {
  outline: 2px solid var(--srn-accent);
  outline-offset: 3px;
}
.srn-pb-read-more-btn svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.srn-pb-read-more-btn.srn-pb-open svg {
  transform: rotate(180deg);
}

/* ── Button Grid ──
   4-across on desktop, 2-across on mobile.
   Copy spans full width at the bottom.
   ── */
.srn-pb-btn-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

/* Base button */
.srn-pb-btn {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  height: 52px;
  border: none;
  border-radius: var(--srn-radius-btn);
  font-size: 0.86rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}
.srn-pb-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.srn-pb-btn:hover  { transform: translateY(-2px) scale(1.02); box-shadow: 0 6px 20px rgba(0,0,0,0.18); }
.srn-pb-btn:active { transform: scale(0.97); box-shadow: none; }
.srn-pb-btn:focus-visible { outline: 2px solid rgba(255,255,255,0.55); outline-offset: 3px; }

/* Ripple */
.srn-pb-ripple {
  position: absolute;
  border-radius: 50%;
  width: 10px; height: 10px;
  background: rgba(255,255,255,0.35);
  transform: scale(0);
  animation: srnRipple 0.55s linear;
  pointer-events: none;
}
@keyframes srnRipple { to { transform: scale(28); opacity: 0; } }

/* ── Button colours — flat, no gradients ── */
.srn-pb-btn--chatgpt  { background: #10A37F; }
.srn-pb-btn--chatgpt:hover  { box-shadow: 0 6px 20px rgba(16, 163, 127, 0.35); }

.srn-pb-btn--gemini   { background: #4F46E5; }
.srn-pb-btn--gemini:hover   { box-shadow: 0 6px 20px rgba(79,  70, 229, 0.35); }

.srn-pb-btn--whatsapp { background: #25D366; }
.srn-pb-btn--whatsapp:hover { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35); }

.srn-pb-btn--telegram { background: #229ED9; }
.srn-pb-btn--telegram:hover { box-shadow: 0 6px 20px rgba(34, 158, 217, 0.35); }

/* Copy — yellow, black text, spans full width */
.srn-pb-btn--copy {
  background: #FACC15;
  color: #111827;
  grid-column: 1 / -1;
  margin-top: 2px;
}
.srn-pb-btn--copy:hover { box-shadow: 0 6px 20px rgba(250, 204, 21, 0.4); }

/* Copy button states */
.srn-pb-btn--copy .srn-pb-btn-state-default { display: flex; align-items: center; gap: 8px; }
.srn-pb-btn--copy .srn-pb-btn-state-copied  { display: none;  align-items: center; gap: 8px; }
.srn-pb-btn--copy.srn-pb-copied .srn-pb-btn-state-default { display: none; }
.srn-pb-btn--copy.srn-pb-copied .srn-pb-btn-state-copied  { display: flex; }

/* ── Toast ── */
.srn-pb-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #111827;
  color: #fff;
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.84rem;
  font-weight: 600;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 32px rgba(0,0,0,0.28);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 999999;
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1),
              opacity 0.35s ease;
  pointer-events: none;
  white-space: nowrap;
}
.srn-pb-toast.srn-pb-toast-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.srn-pb-toast svg { width: 15px; height: 15px; }

/* ── Responsive ── */
@media (max-width: 700px) {
  .srn-pb-wrapper   { padding: 20px 16px; }
  .srn-pb-btn-grid  { grid-template-columns: repeat(2, 1fr); }
  .srn-pb-btn       { font-size: 0.82rem; }
}
@media (max-width: 380px) {
  .srn-pb-btn-grid  { grid-template-columns: 1fr; }
  .srn-pb-btn--copy { grid-column: 1; }
}