/* ==========================================================================
   Ring Concierge — app layer on top of the design handoff.
   Load order: ds/styles.css → studio.css → this file.
   Contains: DS stand-ins (button / input / select), header language switch,
   AI image viewer, loading + error states, dialog, toast.
   ========================================================================== */

/* ---------- DS stand-ins (Button / Input / Select) ---------- */
.rm-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;font-family:var(--font-sans);font-size:var(--text-body-md);font-weight:var(--weight-body-medium);border-radius:var(--radius-md,4px);cursor:pointer;transition:background 160ms,border-color 160ms;text-decoration:none}
.rm-btn.is-lg{height:56px;padding:0 34px;font-size:var(--text-body-lg)}
.rm-btn.is-solid{background:var(--brand);color:var(--text-on-brand);border:1px solid var(--brand)}
.rm-btn.is-solid:hover{background:var(--brand-hover);border-color:var(--brand-hover)}
.rm-btn.is-outline{background:transparent;color:var(--text-brand);border:1px solid var(--brand)}
.rm-btn.is-outline:hover{background:var(--surface-brand-soft)}
.rm-btn[disabled]{opacity:.5;cursor:not-allowed}
.rm-btn.is-full{width:100%}
.rm-field,.rm-selectwrap{display:flex;flex-direction:column;gap:6px}
.rm-field > label,.rm-selectwrap > label{font-family:var(--font-sans);font-size:var(--text-body-sm);font-weight:var(--weight-body-medium);color:var(--text-strong)}
.rm-field input,.rm-select{height:48px;padding:0 14px;background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--radius-md,4px);font-family:var(--font-sans);font-size:var(--text-body-md);color:var(--text-strong);width:100%;box-sizing:border-box}
.rm-field input:focus,.rm-select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--surface-brand-soft)}
.rm-select{appearance:none;padding-right:38px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237f8384' stroke-width='2'><path d='m6 9 6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 12px center}
.rm-select:disabled{opacity:.6}

/* Visible focus ring everywhere (spec §13) */
.rmd-root button:focus-visible,.rmd-root a:focus-visible,.rmd-root input:focus-visible,.rmd-root textarea:focus-visible,.rmd-root select:focus-visible{outline:none;box-shadow:0 0 0 3px var(--surface-brand-soft,#ccebed)}

/* Grid children must be allowed to shrink (prevents horizontal page scroll) */
.rmd-cg-cols > *{min-width:0}
.rmd-root{overflow-x:clip}

/* ---------- Header ---------- */
.rmd-header .rmd-wordmark strong{font-size:17px}
.rc-lang{display:flex;gap:2px;margin-left:auto}
.rmd-sublabel .rmd-cg-hint{margin-left:8px}
.rc-lang button{white-space:nowrap;border:1px solid transparent;background:none;border-radius:999px;padding:5px 9px;font-size:12px;letter-spacing:.06em;color:#7F8384;cursor:pointer;min-height:32px}
.rc-lang button:hover{color:var(--color-brand-140,#006A73)}
.rc-lang button[aria-pressed="true"]{border-color:var(--color-brand,#009BA4);color:var(--color-brand-140,#006A73);background:#fff}

/* ---------- Pre-selection / button spinner ---------- */
.rc-spin{width:16px;height:16px;border-radius:999px;border:2px solid currentColor;border-right-color:transparent;animation:rcSpin .8s linear infinite;display:inline-block;flex:none}
.rc-spin.is-lg{width:30px;height:30px;border-width:2.5px;color:var(--color-brand,#009BA4)}
@keyframes rcSpin{to{transform:rotate(360deg)}}
.rc-wait{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;padding:36px 12px;color:#7F8384;font-size:13.5px}
.rc-wait strong{color:#293132;font-weight:500;font-size:14.5px}
.rc-error{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;padding:28px 12px;font-size:13.5px;color:#555A5B}
.rc-error strong{color:#8A2F3F;font-weight:600}
.rc-inline-error{font-size:13px;color:#8A2F3F;margin:0}
.rc-skel{background:linear-gradient(90deg,#F2F3F3 0%,#FAFAFA 40%,#F2F3F3 80%);background-size:200% 100%;animation:rcSkel 1.4s ease-in-out infinite;border-radius:8px}
@keyframes rcSkel{to{background-position:-200% 0}}
.rc-skel-card{height:92px}

/* ---------- Concept + AI viewer ---------- */
.rc-viewer .rmd-viewer-stage{min-height:360px;padding:40px 14px 10px;display:grid;place-items:center;position:relative}
.rc-viewer .rc-main-img{width:100%;max-height:440px;object-fit:contain;border-radius:6px;background:#fff;cursor:zoom-in}
.rc-viewer.is-loading .rmd-cg-concept-img{filter:blur(3px) saturate(.7);opacity:.55}
.rc-viewer-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px;font-size:13px;color:#555A5B}
.rc-viewer-overlay strong{font-size:14.5px;color:#293132;font-weight:500}
.rc-angles{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;padding:4px 12px 10px}
.rc-angle{display:flex;flex-direction:column;align-items:center;gap:3px;border:1px solid var(--border-subtle,#E9EAEA);background:#fff;border-radius:6px;padding:4px;cursor:pointer;width:72px;min-height:44px;font-size:10.5px;color:#7F8384}
.rc-angle img{width:62px;height:48px;object-fit:cover;border-radius:4px;background:#F4F4F4}
.rc-angle .rc-angle-ph{width:62px;height:48px;border-radius:4px;background:#F4F4F4;display:grid;place-items:center;color:#AAACAD}
.rc-angle[aria-pressed="true"]{border-color:var(--color-brand,#009BA4);box-shadow:0 0 0 1px var(--color-brand,#009BA4) inset;color:var(--color-brand-140,#006A73)}
.rc-angle:disabled{cursor:progress;opacity:.7}

/* ---------- Stone card extras ---------- */
.rmd-diamond-card{min-height:44px}
.rc-diff{display:block;font-size:10.5px;color:#9A6B1E;margin-top:2px}
.rc-more{margin-top:10px;display:flex;justify-content:center}
.rc-cert-link{color:var(--color-brand-140,#006A73);font-weight:600;text-decoration:underline;text-underline-offset:2px}

/* ---------- Size circle ---------- */
.rc-size-row{display:grid;grid-template-columns:minmax(0,220px) 1fr;gap:16px;align-items:end}
.rc-size-row .rmd-sizecircle{margin-top:0}
@media (max-width:640px){.rc-size-row{grid-template-columns:1fr}}

/* ---------- Pills: touch targets ---------- */
.rmd-fine-pill{min-height:44px}
.rmd-cg-shape{min-height:44px}
.rc-engrave-grid{display:grid;gap:10px}
.rc-engrave-grid .rm-field input{text-transform:none}
.rc-counter{font-size:11.5px;color:#AAACAD;text-align:right;margin-top:-4px}

/* ---------- Dialog ---------- */
.rc-dialog-bg{position:fixed;inset:0;z-index:300;background:rgba(41,49,50,.42);display:grid;place-items:center;padding:16px;animation:rcFade 140ms ease-out}
.rc-dialog{width:min(430px,100%);background:#fff;border:1px solid #E9EAEA;border-radius:8px;padding:20px 22px;position:relative;max-height:90vh;overflow:auto}
.rc-dialog h2{font-family:var(--font-display,'Cormorant Garamond',serif);font-size:21px;font-weight:600;margin:0 34px 10px 0}
.rc-dialog-x{position:absolute;top:10px;right:10px;width:36px;height:36px;border:0;background:none;border-radius:999px;cursor:pointer;color:#7F8384;display:grid;place-items:center}
.rc-dialog-x:hover{background:#F4F4F4;color:#293132}
.rc-lightbox{width:min(900px,100%);padding:10px}
.rc-lightbox img{width:100%;height:auto;display:block;border-radius:6px}
@keyframes rcFade{from{opacity:0}to{opacity:1}}

/* ---------- Toast ---------- */
.rc-toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:320;background:#293132;color:#fff;font-size:13px;padding:10px 16px;border-radius:999px;box-shadow:0 8px 24px rgba(41,49,50,.25);animation:rcFade 140ms ease-out;max-width:calc(100% - 32px)}

/* ---------- Page footer ---------- */
.rc-foot{text-align:center;font-size:11.5px;color:#AAACAD;padding:0 16px 26px}

/* ---------- Small screens ---------- */
@media (max-width:860px){
  .rmd-cg-cols.is-wide{grid-template-columns:1fr} /* studio.css only collapses the base variant */
  .rmd-cg-concept .rmd-viewer-stage{min-height:0;padding:40px 14px 6px}
  .rmd-cg-concept .rmd-cg-concept-img{max-height:220px;object-fit:contain}
  .rc-viewer .rc-main-img{max-height:340px}
}
@media (max-width:640px){
  .rmd-checkout{padding:18px 16px 40px}
  .rmd-cg-section{padding:16px 14px 14px}
  .rmd-h1{font-size:28px}
  .rc-lang button{padding:5px 6px}
  .rmd-header{padding:8px 12px}
  .rc-viewer .rmd-viewer-stage{min-height:280px}
}
@media (prefers-reduced-motion: reduce){
  .rc-spin,.rc-skel{animation-duration:3s}
  .rmd-cg-path,.rmd-tile{transition:none}
}