/* FluencyFlow component styles. Class-based so real :hover/:active/:focus and
   :disabled states exist; the JSX components only pick class names. */

/* ---------- Button ---------- */
.ff-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-family:var(--font-sans);font-weight:var(--fw-semibold);letter-spacing:var(--ls-normal);border:1px solid transparent;border-radius:var(--radius-pill);cursor:pointer;text-decoration:none;white-space:nowrap;transition:var(--transition-control)}
.ff-btn:focus-visible{outline:none;box-shadow:var(--shadow-focus)}
.ff-btn--sm{height:32px;padding:0 var(--space-4);font-size:var(--fs-xs)}
.ff-btn--md{height:40px;padding:0 var(--space-5);font-size:var(--fs-sm)}
.ff-btn--lg{height:48px;padding:0 var(--space-6);font-size:var(--fs-base)}
.ff-btn--block{width:100%}
.ff-btn--primary{background:var(--action-primary);color:var(--text-on-accent)}
.ff-btn--primary:hover{background:var(--action-primary-hover)}
.ff-btn--primary:active{background:var(--action-primary-active);transform:scale(.98)}
.ff-btn--secondary{background:var(--action-secondary);color:var(--ff-purple)}
.ff-btn--secondary:hover{background:var(--action-secondary-hover)}
.ff-btn--secondary:active{transform:scale(.98)}
.ff-btn--outline{background:transparent;color:var(--ff-purple);border-color:var(--ff-purple)}
.ff-btn--outline:hover{background:var(--purple-50)}
.ff-btn--outline:active{transform:scale(.98)}
.ff-btn--ghost{background:transparent;color:var(--ff-purple)}
.ff-btn--ghost:hover{background:var(--purple-50)}
.ff-btn--teal{background:var(--action-teal);color:var(--ff-ink-deep)}
.ff-btn--teal:hover{background:var(--action-teal-hover)}
.ff-btn--teal:active{transform:scale(.98)}
.ff-btn--on-dark{background:var(--white);color:var(--ff-purple)}
.ff-btn--on-dark:hover{background:var(--purple-50)}
.ff-btn--danger{background:var(--status-danger);color:var(--white)}
.ff-btn--danger:hover{filter:brightness(.94)}
.ff-btn:disabled,.ff-btn[aria-disabled="true"]{background:var(--action-disabled-bg);color:var(--action-disabled-text);border-color:transparent;cursor:not-allowed;transform:none}

/* ---------- IconButton ---------- */
.ff-iconbtn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:var(--radius-pill);cursor:pointer;color:var(--ff-purple);background:transparent;transition:var(--transition-control)}
.ff-iconbtn--sm{width:32px;height:32px}
.ff-iconbtn--md{width:40px;height:40px}
.ff-iconbtn--lg{width:48px;height:48px}
.ff-iconbtn--ghost:hover{background:var(--purple-50)}
.ff-iconbtn--soft{background:var(--purple-50)}
.ff-iconbtn--soft:hover{background:var(--purple-100)}
.ff-iconbtn--solid{background:var(--action-primary);color:var(--white)}
.ff-iconbtn--solid:hover{background:var(--action-primary-hover)}
.ff-iconbtn--outline{border-color:var(--border-default);color:var(--text-body)}
.ff-iconbtn--outline:hover{border-color:var(--ff-purple);color:var(--ff-purple)}
.ff-iconbtn:active{transform:scale(.94)}
.ff-iconbtn:focus-visible{outline:none;box-shadow:var(--shadow-focus)}
.ff-iconbtn:disabled{color:var(--action-disabled-text);background:transparent;cursor:not-allowed;transform:none}

/* ---------- Icon ---------- */
.ff-icon{display:inline-flex;align-items:center;justify-content:center;flex:none;line-height:0}
.ff-icon>svg{width:100%;height:100%;display:block;stroke:currentColor;fill:none}

/* ---------- Logo ---------- */
.ff-logo{display:inline-flex;align-items:center}
.ff-logo img{display:block;height:100%;width:auto}

/* ---------- Card ---------- */
.ff-card{background:var(--surface-card);border-radius:var(--radius-card);padding:var(--space-6);box-shadow:var(--shadow-sm);border:1px solid transparent}
.ff-card--flat{box-shadow:none;border-color:var(--border-default)}
.ff-card--tint{background:var(--surface-card-tint);box-shadow:none}
.ff-card--dark{background:var(--surface-dark);color:var(--text-on-dark);box-shadow:none}
.ff-card--dark h1,.ff-card--dark h2,.ff-card--dark h3,.ff-card--dark h4{color:var(--text-on-dark)}
.ff-card--accent{background:var(--surface-accent);color:var(--text-on-accent);box-shadow:none}
.ff-card--raised{box-shadow:var(--shadow-md)}
.ff-card--interactive{cursor:pointer;transition:box-shadow var(--dur-base) var(--ease-standard),transform var(--dur-base) var(--ease-standard)}
.ff-card--interactive:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.ff-card--interactive:active{transform:translateY(0)}

/* ---------- Badge ---------- */
.ff-badge{display:inline-flex;align-items:center;gap:var(--space-1);height:22px;padding:0 var(--space-2);border-radius:var(--radius-pill);font-size:var(--fs-2xs);font-weight:var(--fw-semibold);letter-spacing:var(--ls-wide);text-transform:none;white-space:nowrap}
.ff-badge--purple{background:var(--purple-50);color:var(--purple-700)}
.ff-badge--teal{background:var(--teal-50);color:var(--teal-800)}
.ff-badge--neutral{background:var(--neutral-100);color:var(--neutral-700)}
.ff-badge--solid{background:var(--ff-purple);color:var(--white)}
.ff-badge--success{background:var(--teal-50);color:var(--teal-800)}
.ff-badge--warning{background:var(--status-warning-soft);color:#8A5A05}
.ff-badge--danger{background:var(--status-danger-soft);color:#A81F1F}
.ff-badge--dot::before{content:"";width:6px;height:6px;border-radius:var(--radius-pill);background:currentColor}

/* ---------- Tag ---------- */
.ff-tag{display:inline-flex;align-items:center;gap:var(--space-2);height:28px;padding:0 var(--space-3);border-radius:var(--radius-pill);font-size:var(--fs-xs);font-weight:var(--fw-medium);background:var(--white);border:1px solid var(--border-default);color:var(--text-body);transition:var(--transition-control)}
.ff-tag--selected{background:var(--purple-50);border-color:var(--ff-purple);color:var(--purple-700)}
.ff-tag--interactive{cursor:pointer}
.ff-tag--interactive:hover{border-color:var(--ff-purple);color:var(--ff-purple)}
.ff-tag__remove{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border:0;background:transparent;color:inherit;cursor:pointer;opacity:.6;padding:0}
.ff-tag__remove:hover{opacity:1}

/* ---------- Field shell (Input / Textarea / Select) ---------- */
.ff-field{display:flex;flex-direction:column;gap:var(--space-2)}
.ff-field__label{font-size:var(--fs-xs);font-weight:var(--fw-semibold);color:var(--text-body)}
.ff-field__hint{font-size:var(--fs-xs);color:var(--text-muted)}
.ff-field__error{font-size:var(--fs-xs);color:var(--status-danger)}
.ff-input,.ff-textarea,.ff-select{font-family:var(--font-sans);font-size:var(--fs-sm);color:var(--text-body);background:var(--white);border:1px solid var(--border-default);border-radius:var(--radius-field);transition:var(--transition-control);width:100%;box-sizing:border-box}
.ff-input{height:44px;padding:0 var(--space-4)}
.ff-textarea{padding:var(--space-3) var(--space-4);min-height:112px;line-height:var(--lh-body);resize:vertical}
.ff-select{height:44px;padding:0 var(--space-10) 0 var(--space-4);appearance:none;cursor:pointer}
.ff-input::placeholder,.ff-textarea::placeholder{color:var(--text-subtle)}
.ff-input:hover,.ff-textarea:hover,.ff-select:hover{border-color:var(--neutral-300)}
.ff-input:focus,.ff-textarea:focus,.ff-select:focus{outline:none;border-color:var(--ff-purple);box-shadow:var(--shadow-focus)}
.ff-input:disabled,.ff-textarea:disabled,.ff-select:disabled{background:var(--neutral-50);color:var(--text-subtle);cursor:not-allowed}
.ff-input--invalid,.ff-textarea--invalid,.ff-select--invalid{border-color:var(--status-danger)}
.ff-input--invalid:focus{box-shadow:0 0 0 3px rgba(226,58,58,.22)}
.ff-input-wrap{position:relative;display:flex;align-items:center}
.ff-input-wrap .ff-icon{position:absolute;pointer-events:none;color:var(--text-subtle)}
.ff-input-wrap--lead .ff-input{padding-left:var(--space-10)}
.ff-input-wrap--lead .ff-icon{left:var(--space-4)}
.ff-select-wrap{position:relative;display:flex;align-items:center}
.ff-select-wrap .ff-icon{position:absolute;right:var(--space-4);pointer-events:none;color:var(--text-muted)}

/* ---------- Checkbox / Radio / Switch ---------- */
.ff-choice{display:inline-flex;align-items:flex-start;gap:var(--space-3);cursor:pointer;font-size:var(--fs-sm);color:var(--text-body)}
.ff-choice input{position:absolute;opacity:0;width:0;height:0}
.ff-choice__box{flex:none;width:20px;height:20px;border:1.5px solid var(--border-strong);background:var(--white);display:inline-flex;align-items:center;justify-content:center;transition:var(--transition-control)}
.ff-checkbox .ff-choice__box{border-radius:var(--radius-sm)}
.ff-radio .ff-choice__box{border-radius:var(--radius-pill)}
.ff-choice:hover .ff-choice__box{border-color:var(--ff-purple)}
.ff-choice input:checked+.ff-choice__box{background:var(--ff-purple);border-color:var(--ff-purple)}
.ff-choice input:focus-visible+.ff-choice__box{box-shadow:var(--shadow-focus)}
.ff-choice input:disabled+.ff-choice__box{background:var(--neutral-100);border-color:var(--border-default)}
.ff-choice--disabled{color:var(--text-subtle);cursor:not-allowed}
.ff-choice__tick{width:12px;height:12px;color:var(--white);opacity:0;transition:opacity var(--dur-fast) var(--ease-standard)}
.ff-choice input:checked+.ff-choice__box .ff-choice__tick{opacity:1}
.ff-radio__dot{width:8px;height:8px;border-radius:var(--radius-pill);background:var(--white);transform:scale(0);transition:transform var(--dur-fast) var(--ease-standard)}
.ff-choice input:checked+.ff-choice__box .ff-radio__dot{transform:scale(1)}
.ff-choice__text{display:flex;flex-direction:column;gap:2px;line-height:1.35}
.ff-choice__desc{font-size:var(--fs-xs);color:var(--text-muted)}

.ff-switch{display:inline-flex;align-items:center;gap:var(--space-3);cursor:pointer;font-size:var(--fs-sm)}
.ff-switch input{position:absolute;opacity:0;width:0;height:0}
.ff-switch__track{flex:none;width:44px;height:26px;border-radius:var(--radius-pill);background:var(--neutral-300);padding:3px;display:flex;align-items:center;transition:background-color var(--dur-base) var(--ease-standard)}
.ff-switch__knob{width:20px;height:20px;border-radius:var(--radius-pill);background:var(--white);box-shadow:var(--shadow-xs);transform:translateX(0);transition:transform var(--dur-base) var(--ease-standard)}
.ff-switch input:checked+.ff-switch__track{background:var(--ff-purple)}
.ff-switch input:checked+.ff-switch__track .ff-switch__knob{transform:translateX(18px)}
.ff-switch input:focus-visible+.ff-switch__track{box-shadow:var(--shadow-focus)}
.ff-switch input:disabled+.ff-switch__track{background:var(--neutral-200);cursor:not-allowed}
.ff-switch--sm .ff-switch__track{width:36px;height:22px}
.ff-switch--sm .ff-switch__knob{width:16px;height:16px}
.ff-switch--sm input:checked+.ff-switch__track .ff-switch__knob{transform:translateX(14px)}

/* ---------- Tabs ---------- */
.ff-tabs{display:flex;gap:var(--space-1);border-bottom:1px solid var(--border-default)}
.ff-tab{appearance:none;border:0;background:transparent;font-family:var(--font-sans);font-size:var(--fs-sm);font-weight:var(--fw-medium);color:var(--text-muted);padding:var(--space-3) var(--space-4);cursor:pointer;position:relative;transition:var(--transition-control)}
.ff-tab:hover{color:var(--text-body)}
.ff-tab--active{color:var(--ff-purple);font-weight:var(--fw-semibold)}
.ff-tab--active::after{content:"";position:absolute;left:var(--space-3);right:var(--space-3);bottom:-1px;height:2px;border-radius:var(--radius-pill);background:var(--ff-purple)}
.ff-tab:disabled{color:var(--text-subtle);cursor:not-allowed}
.ff-tabs--pill{border:0;background:var(--neutral-100);border-radius:var(--radius-pill);padding:4px;gap:0;display:inline-flex}
.ff-tabs--pill .ff-tab{border-radius:var(--radius-pill);padding:var(--space-2) var(--space-5)}
.ff-tabs--pill .ff-tab--active{background:var(--white);box-shadow:var(--shadow-xs);color:var(--ff-purple)}
.ff-tabs--pill .ff-tab--active::after{display:none}

/* ---------- ProgressBar ---------- */
.ff-progress{width:100%}
.ff-progress__track{height:8px;border-radius:var(--radius-pill);background:var(--neutral-100);overflow:hidden}
.ff-progress__fill{height:100%;border-radius:var(--radius-pill);background:var(--status-progress);transition:width var(--dur-slow) var(--ease-out)}
.ff-progress--teal .ff-progress__fill{background:var(--ff-teal)}
.ff-progress--on-dark .ff-progress__track{background:rgba(255,255,255,.18)}
.ff-progress--on-dark .ff-progress__fill{background:var(--ff-teal)}
.ff-progress--lg .ff-progress__track{height:12px}
.ff-progress__meta{display:flex;justify-content:space-between;font-size:var(--fs-2xs);color:var(--text-muted);margin-bottom:var(--space-2)}

/* ---------- Tooltip ---------- */
.ff-tooltip{position:relative;display:inline-flex}
.ff-tooltip__bubble{position:absolute;z-index:20;background:var(--ff-ink-deep);color:var(--white);font-size:var(--fs-2xs);line-height:1.4;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);white-space:nowrap;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:opacity var(--dur-fast) var(--ease-standard),transform var(--dur-fast) var(--ease-standard)}
.ff-tooltip__bubble--top{bottom:calc(100% + 8px);left:50%;transform:translate(-50%,4px)}
.ff-tooltip__bubble--bottom{top:calc(100% + 8px);left:50%;transform:translate(-50%,-4px)}
.ff-tooltip__bubble--right{left:calc(100% + 8px);top:50%;transform:translate(-4px,-50%)}
.ff-tooltip__bubble--left{right:calc(100% + 8px);top:50%;transform:translate(4px,-50%)}
.ff-tooltip:hover .ff-tooltip__bubble,.ff-tooltip:focus-within .ff-tooltip__bubble,.ff-tooltip__bubble--open{opacity:1}
.ff-tooltip:hover .ff-tooltip__bubble--top,.ff-tooltip__bubble--open.ff-tooltip__bubble--top{transform:translate(-50%,0)}
.ff-tooltip:hover .ff-tooltip__bubble--bottom{transform:translate(-50%,0)}
.ff-tooltip:hover .ff-tooltip__bubble--right{transform:translate(0,-50%)}
.ff-tooltip:hover .ff-tooltip__bubble--left{transform:translate(0,-50%)}

/* ---------- Toast ---------- */
.ff-toast{display:flex;align-items:flex-start;gap:var(--space-3);background:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:var(--space-4);min-width:288px;max-width:400px;border-left:0}
.ff-toast__icon{flex:none;width:32px;height:32px;border-radius:var(--radius-pill);display:flex;align-items:center;justify-content:center}
.ff-toast--success .ff-toast__icon{background:var(--teal-50);color:var(--teal-700)}
.ff-toast--info .ff-toast__icon{background:var(--purple-50);color:var(--ff-purple)}
.ff-toast--warning .ff-toast__icon{background:var(--status-warning-soft);color:#8A5A05}
.ff-toast--danger .ff-toast__icon{background:var(--status-danger-soft);color:var(--status-danger)}
.ff-toast__body{flex:1;display:flex;flex-direction:column;gap:2px}
.ff-toast__title{font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--text-strong)}
.ff-toast__msg{font-size:var(--fs-xs);color:var(--text-muted)}

/* ---------- Dialog ---------- */
.ff-dialog__scrim{position:fixed;inset:0;background:rgba(15,0,36,.56);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:var(--space-6);z-index:50}
.ff-dialog{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:100%;max-width:480px;padding:var(--space-8);box-sizing:border-box}
.ff-dialog--sm{max-width:384px}
.ff-dialog--lg{max-width:640px}
.ff-dialog__head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-3)}
.ff-dialog__title{font-size:var(--fs-lg);font-weight:var(--fw-bold);color:var(--text-strong);letter-spacing:var(--ls-tight);margin:0}
.ff-dialog__desc{font-size:var(--fs-sm);color:var(--text-muted);margin:0 0 var(--space-6)}
.ff-dialog__foot{display:flex;justify-content:flex-end;gap:var(--space-3)}

/* ---------- Stepper ---------- */
.ff-stepper{display:flex;flex-direction:column}
.ff-stepper__item{position:relative;display:flex;align-items:flex-start;gap:var(--space-3);padding-bottom:var(--space-6)}
.ff-stepper__item:last-child{padding-bottom:0}
.ff-stepper__line{position:absolute;left:15px;top:32px;bottom:0;width:1px;background:var(--border-default)}
.ff-stepper__dot{flex:none;width:32px;height:32px;border-radius:var(--radius-pill);display:flex;align-items:center;justify-content:center;font-size:var(--fs-xs);font-weight:var(--fw-semibold);z-index:1;background:var(--neutral-100);color:var(--text-subtle)}
.ff-stepper__item--done .ff-stepper__dot{background:var(--ff-purple);color:var(--white)}
.ff-stepper__item--active .ff-stepper__dot{background:var(--purple-50);color:var(--ff-purple);box-shadow:inset 0 0 0 2px var(--ff-purple)}
.ff-stepper__label{padding-top:6px;font-size:var(--fs-xs);font-weight:var(--fw-medium);letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--text-subtle)}
.ff-stepper__item--done .ff-stepper__label,.ff-stepper__item--active .ff-stepper__label{color:var(--text-strong);font-weight:var(--fw-semibold)}
.ff-stepper--on-dark .ff-stepper__line{background:rgba(255,255,255,.16)}
.ff-stepper--on-dark .ff-stepper__dot{background:rgba(255,255,255,.12);color:var(--text-on-dark-muted)}
.ff-stepper--on-dark .ff-stepper__item--done .ff-stepper__dot{background:var(--white);color:var(--ff-purple)}
.ff-stepper--on-dark .ff-stepper__item--active .ff-stepper__dot{background:rgba(255,255,255,.18);color:var(--white);box-shadow:inset 0 0 0 2px rgba(255,255,255,.6)}
.ff-stepper--on-dark .ff-stepper__label{color:var(--text-on-dark-muted)}
.ff-stepper--on-dark .ff-stepper__item--done .ff-stepper__label,.ff-stepper--on-dark .ff-stepper__item--active .ff-stepper__label{color:var(--white)}

/* ---------- RadialGauge ---------- */
.ff-gauge{position:relative;display:inline-flex;flex:none;border-radius:var(--radius-pill)}
.ff-gauge__ring{position:absolute;inset:0;border-radius:var(--radius-pill);background:conic-gradient(var(--gauge-color,var(--ff-purple)) calc(var(--gauge-pct,0) * 1%),var(--neutral-100) 0);transition:background var(--dur-slow) var(--ease-out)}
.ff-gauge__hole{position:absolute;border-radius:var(--radius-pill);background:var(--white);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.ff-gauge__value{font-weight:var(--fw-bold);letter-spacing:var(--ls-tight);color:var(--text-strong);line-height:1}
.ff-gauge__caption{margin-top:2px;font-size:var(--fs-3xs);font-weight:var(--fw-semibold);letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--text-muted)}
.ff-gauge--on-dark .ff-gauge__hole{background:var(--surface-dark)}
.ff-gauge--on-dark .ff-gauge__value{color:var(--white)}
.ff-gauge--on-dark .ff-gauge__caption{color:var(--text-on-dark-muted)}

/* ---------- VoiceMessage ---------- */
.ff-voice{display:inline-flex;align-items:center;gap:var(--space-3);background:var(--white);border-radius:var(--radius-pill);box-shadow:var(--shadow-xs);padding:var(--space-2);min-width:220px;box-sizing:border-box}
.ff-voice--self{background:var(--purple-50)}
.ff-voice__wave{flex:1;display:flex;align-items:center;gap:2px;height:28px}
.ff-voice__bar{width:3px;flex:none;border-radius:999px;background:var(--purple-200)}
.ff-voice__bar--played{background:var(--ff-purple)}
.ff-voice__time{flex:none;width:34px;font-size:var(--fs-3xs);color:var(--text-muted);font-variant-numeric:tabular-nums}
.ff-voice__avatar{flex:none;width:28px;height:28px;border-radius:999px;object-fit:cover;background:var(--purple-100)}
.ff-voice--recording{gap:var(--space-2)}
.ff-voice__rec-dot{flex:none;width:8px;height:8px;margin-left:var(--space-2);border-radius:999px;background:var(--status-danger);animation:ff-rec-pulse 1.1s ease-in-out infinite}
.ff-voice__rec-label{flex:1;font-size:var(--fs-xs);font-weight:var(--fw-medium);color:var(--text-body)}
@keyframes ff-rec-pulse{0%,100%{opacity:1}50%{opacity:.35}}