/* =========================================================================
 * Solverra Chat Widget styles.
 * ASCII only. Tokens align with each brand's design-system colors_and_type.css.
 * Brand selectors: [data-brand="solverra" | "cap-stem" | "ecs"].
 * Mobile: drawer becomes a bottom-sheet.
 * Theme: respects prefers-color-scheme; brand can force via theme.js.
 * ========================================================================= */

#solverra-chat-root {
  /* ----- shared spatial tokens (kept local to the widget) ----- */
  --sc-z: 2147483000;
  --sc-radius: 18px;
  --sc-radius-sm: 10px;
  --sc-pad: 16px;
  --sc-gap: 10px;
  --sc-font: system-ui, -apple-system, "Segoe UI", Manrope, sans-serif;
  --sc-shadow: 0 18px 48px rgba(0,0,0,0.18), 0 2px 6px rgba(0,0,0,0.08);
  --sc-w: 380px;
  --sc-h: 560px;

  /* ----- default theme (Solverra forest + lime) ----- */
  --sc-bg: #FBFAF4;
  --sc-fg: #1F2C17;
  --sc-fg-2: #606061;
  --sc-bubble-user-bg: #314426;
  --sc-bubble-user-fg: #F6F4EC;
  --sc-bubble-bot-bg: #E7F4D2;
  --sc-bubble-bot-fg: #1F2C17;
  --sc-brand: #8CC63F;
  --sc-brand-ink: #314426;
  --sc-border: rgba(31,44,23,0.12);
  --sc-input-bg: #FFFFFF;
}

/* ----- Cap & Stem: dark navy + mint accent ----- */
#solverra-chat-root[data-brand="cap-stem"] {
  --sc-bg: #07091C;
  --sc-fg: #F6F2E8;
  --sc-fg-2: #C9E9E5;
  --sc-bubble-user-bg: #A8DDD8;
  --sc-bubble-user-fg: #07091C;
  --sc-bubble-bot-bg: #171C3D;
  --sc-bubble-bot-fg: #F6F2E8;
  --sc-brand: #7FE0D2;
  --sc-brand-ink: #07091C;
  --sc-border: rgba(168,221,216,0.18);
  --sc-input-bg: #0E1230;
  --sc-font: "DM Sans", system-ui, sans-serif;
}

/* ----- ECS: earth-green ----- */
#solverra-chat-root[data-brand="ecs"] {
  --sc-bg: #FFFBF1;
  --sc-fg: #14201B;
  --sc-fg-2: #3D453F;
  --sc-bubble-user-bg: #0B4E3D;
  --sc-bubble-user-fg: #FEF5E7;
  --sc-bubble-bot-bg: #EBF3D9;
  --sc-bubble-bot-fg: #14201B;
  --sc-brand: #86B647;
  --sc-brand-ink: #0B4E3D;
  --sc-border: rgba(20,32,27,0.12);
  --sc-input-bg: #FFFFFF;
  --sc-font: "Manrope", system-ui, sans-serif;
}

/* =========================================================================
 * Launcher
 * ========================================================================= */
#solverra-chat-root .sc-launcher {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: var(--sc-z);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 14px;
  border: 0;
  border-radius: 999px;
  background: var(--sc-brand);
  color: var(--sc-brand-ink);
  font-family: var(--sc-font);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: var(--sc-shadow);
  transition: transform 160ms ease-out;
}
#solverra-chat-root .sc-launcher:hover { transform: translateY(-2px); }
#solverra-chat-root .sc-launcher-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--sc-brand-ink);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
}

/* =========================================================================
 * Drawer
 * ========================================================================= */
#solverra-chat-root .sc-drawer {
  position: fixed;
  right: 22px;
  bottom: 84px;
  z-index: var(--sc-z);
  width: var(--sc-w);
  max-width: calc(100vw - 28px);
  height: var(--sc-h);
  max-height: calc(100vh - 110px);
  background: var(--sc-bg);
  color: var(--sc-fg);
  font-family: var(--sc-font);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius);
  box-shadow: var(--sc-shadow);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  pointer-events: none;
  transition: opacity 180ms ease-out, transform 180ms ease-out;
}
#solverra-chat-root .sc-drawer.sc-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

#solverra-chat-root .sc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--sc-border);
}
#solverra-chat-root .sc-head-title { display: flex; flex-direction: column; }
#solverra-chat-root .sc-head-brand { font-weight: 700; font-size: 16px; }
#solverra-chat-root .sc-head-sub { font-size: 12px; color: var(--sc-fg-2); }
#solverra-chat-root .sc-close {
  border: 0; background: transparent; color: var(--sc-fg-2);
  font-size: 18px; cursor: pointer; padding: 4px 8px;
}

#solverra-chat-root .sc-stream {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--sc-pad);
  display: flex;
  flex-direction: column;
  gap: var(--sc-gap);
}
#solverra-chat-root .sc-msg {
  padding: 10px 14px;
  border-radius: var(--sc-radius-sm);
  font-size: 14px;
  line-height: 1.45;
  max-width: 86%;
  word-wrap: break-word;
}
#solverra-chat-root .sc-msg-user {
  align-self: flex-end;
  background: var(--sc-bubble-user-bg);
  color: var(--sc-bubble-user-fg);
  border-bottom-right-radius: 4px;
}
#solverra-chat-root .sc-msg-assistant {
  align-self: flex-start;
  background: var(--sc-bubble-bot-bg);
  color: var(--sc-bubble-bot-fg);
  border-bottom-left-radius: 4px;
}
#solverra-chat-root .sc-product-card {
  display: inline-block;
  margin-top: 6px;
  padding: 6px 12px;
  background: var(--sc-brand);
  color: var(--sc-brand-ink);
  text-decoration: none;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: capitalize;
}

#solverra-chat-root .sc-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 0 var(--sc-pad) 8px;
}
#solverra-chat-root .sc-chip {
  font-family: inherit; font-size: 12px;
  background: transparent;
  color: var(--sc-fg);
  border: 1px solid var(--sc-border);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
}
#solverra-chat-root .sc-chip:hover { background: var(--sc-bubble-bot-bg); }

#solverra-chat-root .sc-form {
  display: flex; gap: 8px;
  padding: 10px var(--sc-pad);
  border-top: 1px solid var(--sc-border);
}
#solverra-chat-root .sc-input {
  flex: 1; resize: none;
  font-family: inherit; font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-sm);
  background: var(--sc-input-bg);
  color: var(--sc-fg);
  min-height: 40px; max-height: 120px;
}
#solverra-chat-root .sc-input:focus {
  outline: 2px solid var(--sc-brand);
  outline-offset: 1px;
}
#solverra-chat-root .sc-send {
  border: 0; background: var(--sc-brand); color: var(--sc-brand-ink);
  font-family: inherit; font-weight: 700;
  padding: 0 16px; border-radius: var(--sc-radius-sm);
  cursor: pointer;
}

#solverra-chat-root .sc-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--sc-pad) 12px;
  font-size: 11px; color: var(--sc-fg-2);
}
#solverra-chat-root .sc-escalate-toggle {
  background: transparent; border: 0; color: var(--sc-fg-2);
  text-decoration: underline; cursor: pointer; font-size: 12px;
  font-family: inherit;
}
#solverra-chat-root .sc-disclaimer { font-style: italic; }

#solverra-chat-root .sc-escalate {
  display: flex; gap: 6px; padding: 0 var(--sc-pad) 12px;
}
#solverra-chat-root .sc-escalate input {
  flex: 1; padding: 8px 10px;
  border: 1px solid var(--sc-border); border-radius: var(--sc-radius-sm);
  background: var(--sc-input-bg); color: var(--sc-fg);
  font-family: inherit; font-size: 12px;
}
#solverra-chat-root .sc-esc-send {
  border: 0; background: var(--sc-brand-ink); color: var(--sc-bg);
  border-radius: var(--sc-radius-sm); padding: 0 12px;
  font-family: inherit; font-weight: 700; font-size: 12px; cursor: pointer;
}

/* =========================================================================
 * Mobile: bottom-sheet
 * ========================================================================= */
@media (max-width: 540px) {
  #solverra-chat-root .sc-drawer {
    right: 0; left: 0; bottom: 0;
    width: 100vw; max-width: 100vw;
    height: 86vh; max-height: 86vh;
    border-radius: var(--sc-radius) var(--sc-radius) 0 0;
  }
  #solverra-chat-root .sc-launcher { right: 14px; bottom: 14px; }
}

/* Dark-mode fallback when site has no theme.js override */
@media (prefers-color-scheme: dark) {
  #solverra-chat-root[data-brand="solverra"],
  #solverra-chat-root[data-brand="ecs"] {
    --sc-bg: #14201B;
    --sc-fg: #ECEFEC;
    --sc-fg-2: #8B948F;
    --sc-bubble-bot-bg: #1E6850;
    --sc-bubble-bot-fg: #ECEFEC;
    --sc-input-bg: #0B4E3D;
    --sc-border: rgba(236,239,236,0.12);
  }
}