.theme-copy-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.theme-copy-tools button { font-size: .75rem; color: var(--gold-dark); min-height: 44px; text-align: left; }
.media-position-setting { margin: 0 0 26px; }
.studio-app .media-position-setting select { width: 100%; min-height: 48px; border-color: #8d7b66; }
.studio-app .field-pair { align-items: start; }
.recipient-prefix-field { padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.design-control-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin: 24px 0; }
.design-control-grid > .field { display: flex; flex-direction: column; gap: 8px; min-width: 0; margin: 0; }
.design-control-grid label { line-height: 1.5; }
.design-control-grid select { width: 100%; min-width: 0; min-height: 48px; margin: 0; }
.design-control-grid .field-hint { margin: 0; }
.letter-kicker, .print-to { overflow-wrap: anywhere; }
.studio-app .design-nuance.typography-panel { padding: 0; margin-bottom: 0; }
.studio-app .design-nuance .typography-fields > .field-hint:first-child { margin-bottom: 20px; }
.visual-choice-fieldset { border: 0; padding: 0; margin: 0 0 26px; min-width: 0; }
.visual-choice-fieldset legend { font-size: .75rem; font-weight: 600; margin-bottom: 12px; }
.palette-options { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.palette-option, .effect-option { min-width: 0; cursor: pointer; position: relative; }
.palette-choice { position: relative; display: flex; flex-direction: column; gap: 5px; height: 100%; padding: 7px 7px 11px; border: 1px solid var(--input-border); border-radius: 9px; background: var(--surface); transition: border-color .2s,background .2s; }
.palette-choice strong, .effect-choice strong { font-size: .75rem; line-height: 1.5; font-weight: 550; }
.palette-choice small { font-size: .6875rem; color: var(--muted); line-height: 1.6; }
.palette-specimen { display: grid; place-items: center; position: relative; height: 76px; border-radius: 5px; background: var(--swatch-paper); color: var(--swatch-ink); margin-bottom: 4px; border: 1px solid #806b4b20; }
.palette-specimen > span { font: 500 2.1rem/1 var(--serif); }
.palette-specimen > i { width: 22px; height: 2px; position: absolute; bottom: 12px; background: var(--swatch-accent); }
.choice-check { display: none; position: absolute; top: 11px; right: 11px; width: 18px; height: 18px; border-radius: 50%; background: var(--gold-dark); color: white; padding: 3px; }
.palette-option input:checked + .palette-choice, .effect-option input:checked + .effect-choice { border-color: var(--gold-dark); box-shadow: inset 0 0 0 1px var(--gold-dark); }
.palette-option input:checked + .palette-choice > .choice-check, .effect-option input:checked + .effect-choice > .choice-check { display: block; }
.palette-option:hover .palette-choice, .effect-option:hover .effect-choice { border-color: var(--gold-dark); background: var(--bg); }
.palette-option input:focus-visible + .palette-choice, .effect-option input:focus-visible + .effect-choice { outline: 2px solid var(--gold-dark); outline-offset: 3px; }
.palette-option:has(input:disabled), .effect-option:has(input:disabled) { cursor: not-allowed; opacity: .65; }
.effect-options { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-bottom: 12px; }
.effect-choice { display: flex; align-items: center; flex-direction: column; position: relative; gap: 5px; height: 100%; min-height: 134px; border: 1px solid var(--input-border); border-radius: 9px; padding: 7px 7px 10px; background: var(--surface); text-align: center; }
.effect-choice .choice-check { top: 6px; right: 6px; width: 15px; height: 15px; }
.effect-choice small { font-size: .625rem; line-height: 1.6; color: var(--muted); }
.effect-preview-hint { margin: -3px 0 12px; }
.effect-specimen { position: relative; display: grid; place-items: center; width: 100%; height: 68px; flex-shrink: 0; overflow: clip; contain: paint; border-radius: 5px; background: var(--bg); pointer-events: none; }
.effect-mini-card { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: 32px; height: 44px; border: 1px solid var(--sample-accent, #83632e); border-radius: 2px; background: var(--sample-paper, #f9f5ed); color: var(--sample-ink, #403329); box-shadow: 2px 3px 0 #806b4b12; }
.effect-mini-card b { font: italic 500 11px/1 var(--serif); margin-bottom: 2px; }
.effect-mini-card > i { width: 16px; height: 1px; background: currentColor; opacity: .5; }
.effect-mini-card > i:last-child { width: 11px; }
.effect-mini-pieces { display: none; position: absolute; inset: 0; }
.effect-specimen:is([data-preview-effect="confetti"],[data-preview-effect="particles"],[data-preview-effect="petals"],[data-preview-effect="bubbles"]) .effect-mini-pieces { display: block; }
.effect-mini-pieces > i { position: absolute; left: var(--sample-x); width: 3px; height: 6px; top: var(--sample-y); background: var(--sample-accent, #83632e); transform: rotate(var(--sample-turn)); }
.effect-mini-pieces > i:nth-child(3n) { background: var(--sample-ink, #403329); }
.effect-specimen[data-preview-effect="particles"] .effect-mini-pieces > i { width: 3px; height: 3px; border-radius: 50%; opacity: .7; }
.effect-specimen[data-preview-effect="particles"] .effect-mini-pieces > i:nth-child(2n) { width: 2px; height: 2px; }
.effect-specimen.is-playing[data-preview-effect="confetti"] .effect-mini-pieces > i { animation: sample-confetti 2.8s cubic-bezier(.2,.65,.3,1) var(--sample-delay) both; }
.effect-specimen.is-playing[data-preview-effect="particles"] .effect-mini-pieces > i { animation: sample-particles 3.4s ease-out var(--sample-delay) both; }
.effect-specimen.is-playing[data-preview-effect="motion"] .effect-mini-card { animation: sample-gentle-arrival .95s cubic-bezier(.16,1,.3,1) both; }
.effect-specimen[data-preview-effect="petals"] .effect-mini-pieces > i { width: 5px; height: 8px; border-radius: 75% 0 75% 0; opacity: .7; }
.effect-specimen[data-preview-effect="bubbles"] .effect-mini-pieces > i { width: 7px; height: 7px; border: 1px solid var(--sample-accent, #83632e); border-radius: 50%; background: transparent; opacity: .7; }
.effect-specimen[data-preview-effect="bubbles"] .effect-mini-pieces > i:nth-child(3n) { width: 10px; height: 10px; }
.effect-specimen.is-playing[data-preview-effect="petals"] .effect-mini-pieces > i { animation: sample-petals 3.6s ease-in-out var(--sample-delay) both; }
.effect-specimen.is-playing[data-preview-effect="bubbles"] .effect-mini-pieces > i { animation: sample-bubbles 3.8s ease-out var(--sample-delay) both; }
.effect-specimen.is-playing[data-preview-effect="unfold"] .effect-mini-card { transform-origin: left center; animation: sample-unfold 1.35s cubic-bezier(.16,1,.3,1) both; }
@keyframes sample-confetti { 0% { top: -8px; opacity: 0; transform: translateX(0) rotate(0); } 12% { opacity: .85; } 100% { top: -8px; opacity: .7; transform: translate(var(--sample-drift),calc(var(--sample-y) + 8px)) rotate(var(--sample-turn)); } }
@keyframes sample-particles { 0% { top: 65px; opacity: 0; transform: translate(0,0) scale(.6); } 24% { opacity: .6; } 100% { top: 65px; opacity: .7; transform: translate(var(--sample-drift),calc(var(--sample-y) - 65px)) scale(1); } }
@keyframes sample-gentle-arrival { from { opacity: 0; transform: translateY(12px) rotateX(3deg); } to { opacity: 1; transform: none; } }
@keyframes sample-petals { 0% { top: -10px; opacity: 0; transform: translateX(-5px) rotate(-25deg); } 20% { opacity: .7; } 50% { transform: translate(10px,25px) rotate(55deg); } 100% { top: -10px; opacity: .7; transform: translate(var(--sample-drift),calc(var(--sample-y) + 10px)) rotate(var(--sample-turn)); } }
@keyframes sample-bubbles { 0% { top: 70px; opacity: 0; transform: translateY(0) scale(.6); } 20% { opacity: .6; } 100% { top: 70px; opacity: .7; transform: translate(var(--sample-drift),calc(var(--sample-y) - 70px)) scale(1); } }
@keyframes sample-unfold { from { opacity: .3; transform: perspective(140px) rotateY(-65deg); } to { opacity: 1; transform: perspective(140px) rotateY(0); } }
.material-specimen { height: 45px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 5px; background: #f7f0e4; }
.material-specimen > span { font: .625rem/1.5 var(--sans); color: #645542; }
.material-specimen[data-material="linen"] { background-image: repeating-linear-gradient(0deg,#806f4c0d 0,#806f4c0d 1px,transparent 1px,transparent 4px),repeating-linear-gradient(90deg,#ffffff70 0,#ffffff70 1px,transparent 1px,transparent 3px); }
.material-specimen[data-material="cotton"] { background-image: repeating-radial-gradient(circle at 0 0,#84775512 0,#84775512 .7px,transparent 1.3px,transparent 5px); }
.material-specimen[data-material="vellum"] { box-shadow: inset 6px 4px 0 #ffffff99,inset -6px -4px 0 #e9dcc6; }
@media (max-width:480px) { .palette-options { gap: 6px; } .palette-choice { padding-inline: 5px; } .palette-specimen { height: 65px; } .effect-options { grid-template-columns: repeat(2,minmax(0,1fr)); } .effect-choice { min-height: 128px; padding-inline: 5px; } .effect-choice small { font-size: .625rem; } }
@media (max-width:600px) { .design-control-grid { grid-template-columns: 1fr; gap: 20px; } }
@media (prefers-reduced-motion: reduce) { .effect-specimen .effect-mini-card, .effect-specimen .effect-mini-pieces > i { animation: none !important; } }