@keyframes sched-spin { to { transform: rotate(360deg); } }
@keyframes sched-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: #FAF7F2; font-family: Figtree, system-ui, sans-serif; min-height: 100vh; }

.app-grid {
  display: grid;
  grid-template-areas: "hdr hdr" "form res";
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  align-items: start;
  padding: 22px;
  min-height: 100vh;
}

/* Header */
.hdr { grid-area: hdr; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.hdr-title { margin: 0; font: 800 23px Figtree; color: #2B2722; letter-spacing: -.015em; }
.hdr-sub { margin: 4px 0 0; font: 500 13.5px Figtree; color: #8C8275; }
.hdr-actions { display: flex; align-items: center; gap: 12px; }
.hdr-badge { font: 600 12px Figtree; color: #9A9084; display: inline-flex; align-items: center; gap: 7px; cursor: pointer; border: none; background: none; padding: 0; }
.hdr-badge-dot { width: 7px; height: 7px; border-radius: 50%; background: #E07A5F; flex: none; }
.btn-solve-hdr {
  display: inline-flex; align-items: center; gap: 8px;
  background: #E07A5F; color: #fff; border: none; border-radius: 12px;
  padding: 12px 22px; font: 700 14px Figtree; cursor: pointer;
  box-shadow: 0 2px 8px rgba(176,80,58,.28);
}
.btn-solve-hdr:disabled { opacity: .6; cursor: default; }

/* Form panel */
.form-panel { grid-area: form; background: #fff; border: 1px solid #ECE6DC; border-radius: 16px; padding: 14px 18px 18px; box-shadow: 0 1px 3px rgba(60,50,40,.04); }

/* Step nav */
.step-nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.step-counter { font: 600 12px Figtree; color: #A89E90; }
.btn-back { background: #fff; border: 1px solid #E4DDD0; border-radius: 10px; padding: 10px 16px; font: 700 13px Figtree; cursor: pointer; color: #6F665B; }
.btn-back:disabled { color: #C9C0B2; cursor: default; }
.btn-next {
  display: inline-flex; align-items: center; gap: 7px;
  background: #E07A5F; color: #fff; border: none; border-radius: 10px;
  padding: 10px 18px; font: 700 13px Figtree; cursor: pointer;
  box-shadow: 0 2px 6px rgba(176,80,58,.22);
}
.btn-next:disabled { opacity: .6; cursor: default; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid #F0EBE1; overflow-x: auto; }
.tab-btn { display: inline-flex; align-items: center; gap: 8px; border: none; background: transparent; cursor: pointer; white-space: nowrap; padding: 13px 8px; font: 700 13.5px Figtree; }
.tab-num { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px; font: 700 12px Figtree; flex: none; }
.tab-count { font: 700 11px Figtree; color: #A89E90; background: #F3EEE4; border-radius: 999px; padding: 1px 7px; }
.tab-content { padding-top: 18px; min-height: 240px; }
.tab-pane { animation: sched-fade .25s ease both; }

/* Section */
.section-hdr { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.section-title { margin: 0; font: 700 17px Figtree; color: #2B2722; }
.section-sub { font: 500 12px Figtree; color: #A89E90; }
.section-desc { margin: 7px 0 16px; font: 400 13px Figtree; color: #8C8275; }

/* Item cards */
.item-card { border: 1px solid #EFEAE0; border-radius: 12px; background: #FCFAF6; padding: 11px 12px; display: flex; flex-direction: column; gap: 9px; }
.item-row { display: flex; align-items: center; gap: 9px; }
.item-dot { width: 8px; height: 8px; border-radius: 50%; background: #E07A5F; flex: none; }

/* Inputs */
input[type=text], input[type=number] { font-family: Figtree, system-ui, sans-serif; }
.inp { font: 600 14px Figtree; color: #2B2722; background: #fff; border: 1px solid #E4DDD0; border-radius: 8px; padding: 7px 10px; outline: none; }
.inp:focus { border-color: #E07A5F; }
.inp-values { width: 100%; font: 500 13px Figtree; color: #5C5347; background: #fff; border: 1px solid #E4DDD0; border-radius: 8px; padding: 7px 10px; outline: none; font-family: Figtree, system-ui, sans-serif; }
.inp-values:focus { border-color: #E07A5F; }

/* Attribute pills */
.attrs-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding-left: 17px; }
.attr-pill { display: inline-flex; align-items: center; gap: 2px; background: #F3EEE4; border: 1px solid #E8E1D4; border-radius: 999px; padding: 3px 5px 3px 10px; }
.attr-inp { border: none; background: transparent; font: 600 12px Figtree; color: #6F665B; outline: none; }
.attr-inp.key { width: 60px; }
.attr-inp.val { width: 74px; color: #2B2722; }
.attr-sep { color: #B7AD9D; font: 600 12px Figtree; }
.attr-rm { border: none; background: transparent; color: #BCB2A2; font: 600 13px Figtree; cursor: pointer; padding: 0 3px; }
.btn-add-attr { border: 1px dashed #D8CFBE; background: transparent; color: #9A8F7E; border-radius: 999px; padding: 4px 11px; font: 600 12px Figtree; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }

/* Value chips */
.value-chips { display: flex; flex-wrap: wrap; gap: 6px; min-height: 10px; }
.value-chip { font: 600 12px Figtree; color: #6F665B; background: #F3EEE4; border: 1px solid #E8E1D4; border-radius: 999px; padding: 3px 11px; }

/* Rule cards */
.rule-card { border: 1px solid #ECE6DC; border-radius: 12px; padding: 12px 13px; background: #fff; display: flex; flex-direction: column; gap: 11px; }
.rule-card-hdr { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.rule-meta { display: flex; flex-direction: column; gap: 6px; }
.rule-summary { font: 700 13.5px Figtree; color: #2B2722; line-height: 1.35; }
.rule-badge { align-self: flex-start; font: 700 10px Figtree; color: #B5503A; background: #FBEDE7; text-transform: uppercase; letter-spacing: .06em; padding: 3px 8px; border-radius: 6px; }
.rule-fields { display: flex; flex-wrap: wrap; gap: 10px; }
.rule-field { display: flex; flex-direction: column; gap: 5px; min-width: 130px; flex: 1 1 130px; }
.field-label { font: 600 10px Figtree; color: #A89E90; text-transform: uppercase; letter-spacing: .05em; }
.field-select { font: 600 13px Figtree; color: #2B2722; background: #FBF8F3; border: 1px solid #E4DDD0; border-radius: 8px; padding: 7px 9px; outline: none; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }
.field-number { font: 600 13px Figtree; color: #2B2722; background: #FBF8F3; border: 1px solid #E4DDD0; border-radius: 8px; padding: 7px 9px; outline: none; width: 96px; font-family: Figtree, system-ui, sans-serif; }

/* Add rule picker */
.add-picker { border: 1px dashed #E07A5F; border-radius: 12px; padding: 12px; background: #FBEDE7; display: flex; align-items: center; gap: 10px; }
.picker-sel { flex: 1; font: 600 13px Figtree; color: #2B2722; background: #fff; border: 1px solid #E4DDD0; border-radius: 8px; padding: 9px; outline: none; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }
.btn-cancel { background: #fff; border: 1px solid #E4DDD0; color: #8C8275; border-radius: 8px; padding: 9px 13px; font: 600 12px Figtree; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }

/* Weight */
.weight-wrap { display: flex; align-items: center; gap: 6px; }
.weight-label { font: 600 10px Figtree; color: #A89E90; text-transform: uppercase; letter-spacing: .05em; }
.weight-inp { width: 50px; font: 700 13px Figtree; color: #2B2722; background: #FBF8F3; border: 1px solid #E4DDD0; border-radius: 8px; padding: 6px 7px; outline: none; text-align: center; font-family: Figtree, system-ui, sans-serif; }

/* Add-full button */
.btn-add-full { width: 100%; border: 1px dashed #D8CFBE; background: #FCFAF6; color: #B5503A; border-radius: 10px; padding: 10px; font: 700 13px Figtree; cursor: pointer; margin-top: 12px; font-family: Figtree, system-ui, sans-serif; }
.btn-icon { flex: none; width: 30px; height: 30px; border-radius: 8px; border: 1px solid #EAE3D6; background: #fff; color: #B0A698; font: 600 16px Figtree; cursor: pointer; display: grid; place-items: center; }
.items-col { display: flex; flex-direction: column; gap: 10px; }

/* Result panel */
.result-panel { grid-area: res; position: sticky; top: 22px; }
.result-card { background: #fff; border: 1px solid #ECE6DC; border-radius: 16px; overflow: hidden; box-shadow: 0 1px 3px rgba(60,50,40,.04); }
.result-hdr { display: flex; align-items: center; justify-content: space-between; padding: 15px 16px; border-bottom: 1px solid #F0EBE1; background: #FCFAF6; }
.result-hdr-text { display: flex; flex-direction: column; gap: 1px; }
.result-title { font: 800 15px Figtree; color: #2B2722; }
.result-subtitle { font: 500 12px Figtree; color: #A89E90; }
.result-dot { width: 9px; height: 9px; border-radius: 50%; background: #E07A5F; }
.result-body { padding: 16px 16px 18px; }
.result-inner { animation: sched-fade .35s ease both; }

.spinner { display: flex; align-items: center; gap: 12px; padding: 22px 4px; }
.spinner-ring { width: 22px; height: 22px; border: 3px solid #EDE6D9; border-top-color: #E07A5F; border-radius: 50%; display: inline-block; animation: sched-spin .8s linear infinite; }
.spinner-text { font: 600 14px Figtree; color: #6F665B; }

.feasible-banner { display: flex; align-items: center; gap: 11px; background: #E7F1EC; border: 1px solid #CDE5D7; border-radius: 12px; padding: 13px 14px; }
.feasible-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #3E8067; color: #fff; font: 700 16px Figtree; flex: none; }
.feasible-text { display: flex; flex-direction: column; gap: 1px; }
.feasible-label { font: 700 14px Figtree; color: #2A5F4A; }
.feasible-score { font: 500 12px Figtree; color: #4E7C66; }

.infeasible-banner { display: flex; align-items: center; gap: 11px; background: #FBEAE6; border: 1px solid #F0CFC6; border-radius: 12px; padding: 13px 14px; }
.infeasible-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #C8503A; color: #fff; font: 800 17px Figtree; flex: none; }
.infeasible-text { display: flex; flex-direction: column; gap: 1px; }
.infeasible-label { font: 700 14px Figtree; color: #9E3A28; }
.infeasible-desc { font: 500 12px Figtree; color: #B0584A; }

.error-banner { background: #FBEAE6; border: 1px solid #F0CFC6; border-radius: 12px; padding: 13px 14px; font: 600 13px Figtree; color: #9E3A28; word-break: break-word; }

.idle-msg { text-align: center; padding: 26px 8px; color: #A89E90; font: 500 13px Figtree; line-height: 1.5; }

.stats-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 12px; }
.stat-chip { display: flex; flex-direction: column; gap: 1px; background: #FAF7F2; border: 1px solid #ECE6DC; border-radius: 9px; padding: 7px 11px; }
.stat-label { font: 600 10px Figtree; color: #A89E90; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font: 700 14px Figtree; color: #2B2722; }

.groups-label { font: 600 10px Figtree; color: #A89E90; text-transform: uppercase; letter-spacing: .05em; }
.groups-list { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.group-card { border: 1px solid #ECE6DC; border-radius: 12px; overflow: hidden; }
.group-hdr { display: flex; align-items: center; gap: 7px; padding: 10px 12px; background: #FAF7F2; border-bottom: 1px solid #ECE6DC; }
.group-count { margin-left: auto; font: 600 11px Figtree; color: #A89E90; }
.group-subjects { padding: 11px 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.subject-pill { font: 600 13px Figtree; color: #3A352E; background: #fff; border: 1px solid #E4DDD0; border-radius: 999px; padding: 4px 12px; }
.groups-note { margin: 11px 2px 0; font: 500 12px Figtree; color: #A89E90; }

.expl-list { margin-top: 13px; display: flex; flex-direction: column; gap: 9px; }
.expl-item { display: flex; gap: 9px; font: 500 13px Figtree; color: #6F665B; line-height: 1.5; }
.expl-arrow { color: #C8503A; flex: none; font-weight: 700; }
.conflicts-wrap { margin-top: 14px; }
.conflicts-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.conflict-chip { font: 600 11.5px Figtree; color: #8C6A60; background: #F7EEEA; border: 1px solid #EAD7D0; border-radius: 999px; padding: 4px 10px; }

.btn-solve-result { margin-top: 14px; width: 100%; background: #E07A5F; color: #fff; border: none; border-radius: 11px; padding: 12px; font: 700 14px Figtree; cursor: pointer; box-shadow: 0 2px 6px rgba(176,80,58,.22); font-family: Figtree, system-ui, sans-serif; }
.btn-solve-result:disabled { opacity: .6; cursor: default; }

/* Secondary header buttons */
.btn-secondary-hdr { display: inline-flex; align-items: center; background: #fff; color: #6F665B; border: 1px solid #E4DDD0; border-radius: 12px; padding: 12px 18px; font: 700 14px Figtree; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }
.btn-save-hdr { display: inline-flex; align-items: center; background: #FAF0EC; color: #B5503A; border: 1px solid #F0CFC6; border-radius: 12px; padding: 12px 18px; font: 700 14px Figtree; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(43,39,34,.45); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-card { background: #fff; border-radius: 16px; padding: 24px; width: min(400px, 90vw); box-shadow: 0 8px 32px rgba(43,39,34,.18); display: flex; flex-direction: column; gap: 16px; }
.modal-card-wide { width: min(480px, 90vw); }
.modal-title { margin: 0; font: 800 18px Figtree; color: #2B2722; }
.modal-field { display: flex; flex-direction: column; gap: 6px; }
.modal-label { font: 600 11px Figtree; color: #A89E90; text-transform: uppercase; letter-spacing: .05em; }
.modal-inp { font: 500 14px Figtree; color: #2B2722; background: #fff; border: 1px solid #E4DDD0; border-radius: 8px; padding: 9px 11px; outline: none; font-family: Figtree, system-ui, sans-serif; }
.modal-inp:focus { border-color: #E07A5F; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.btn-modal-cancel { background: #fff; border: 1px solid #E4DDD0; color: #6F665B; border-radius: 9px; padding: 9px 16px; font: 700 13px Figtree; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }
.btn-modal-confirm { background: #E07A5F; color: #fff; border: none; border-radius: 9px; padding: 9px 16px; font: 700 13px Figtree; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }
.btn-modal-confirm:disabled { opacity: .6; cursor: default; }

/* Saved problems list */
.load-panel-list { display: flex; flex-direction: column; gap: 8px; max-height: 380px; overflow-y: auto; }
.saved-item { display: flex; align-items: center; gap: 10px; padding: 11px 13px; border: 1px solid #EFEAE0; border-radius: 12px; background: #FCFAF6; cursor: pointer; }
.saved-item:hover { border-color: #E07A5F; background: #FDF4F0; }
.saved-item-info { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.saved-item-name { font: 700 14px Figtree; color: #2B2722; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.saved-item-desc { font: 400 12px Figtree; color: #8C8275; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.saved-item-meta { font: 500 11px Figtree; color: #A89E90; }
.btn-delete-saved { flex: none; border: none; background: transparent; color: #C8B0A0; font: 600 17px Figtree; cursor: pointer; padding: 4px 7px; border-radius: 6px; line-height: 1; }
.btn-delete-saved:hover { color: #C8503A; background: #FBEDE7; }
.load-empty { text-align: center; padding: 32px 8px; color: #A89E90; font: 500 13px Figtree; line-height: 1.6; }

/* Auth screen */
.auth-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.auth-card { background: #fff; border: 1px solid #ECE6DC; border-radius: 20px; padding: 36px; width: min(420px, 100%); box-shadow: 0 2px 16px rgba(43,39,34,.10); }
.auth-brand { margin: 0 0 8px; font: 800 22px Figtree; color: #2B2722; letter-spacing: -.015em; }
.auth-tagline { margin: 0 0 28px; font: 500 13.5px Figtree; color: #8C8275; }
.auth-tabs { display: flex; gap: 0; margin-bottom: 22px; border-bottom: 1px solid #ECE6DC; }
.auth-tab { flex: 1; text-align: center; border: none; background: transparent; padding: 10px; font: 700 14px Figtree; cursor: pointer; color: #A89E90; border-bottom: 2.5px solid transparent; margin-bottom: -1px; font-family: Figtree, system-ui, sans-serif; }
.auth-tab.active { color: #2B2722; border-bottom-color: #E07A5F; }
.auth-fields { display: flex; flex-direction: column; gap: 14px; }
.auth-inp { width: 100%; font: 500 14px Figtree; color: #2B2722; background: #fff; border: 1px solid #E4DDD0; border-radius: 10px; padding: 11px 13px; outline: none; font-family: Figtree, system-ui, sans-serif; }
.auth-inp:focus { border-color: #E07A5F; }
.auth-btn { width: 100%; background: #E07A5F; color: #fff; border: none; border-radius: 11px; padding: 13px; font: 700 15px Figtree; cursor: pointer; margin-top: 4px; font-family: Figtree, system-ui, sans-serif; }
.auth-btn:disabled { opacity: .6; cursor: default; }
.auth-error { background: #FBEAE6; border: 1px solid #F0CFC6; border-radius: 8px; padding: 10px 12px; font: 600 13px Figtree; color: #9E3A28; }
.auth-notice { background: #E7F1EC; border: 1px solid #CDE5D7; border-radius: 8px; padding: 10px 12px; font: 600 13px Figtree; color: #2A5F4A; }
.auth-foot { text-align: center; font: 500 13px Figtree; color: #8C8275; margin-top: 14px; }
.auth-link { border: none; background: transparent; color: #B5503A; font: 600 13px Figtree; cursor: pointer; padding: 0; text-decoration: underline; font-family: Figtree, system-ui, sans-serif; }
.auth-back { border: none; background: transparent; color: #A89E90; font: 600 13px Figtree; cursor: pointer; padding: 0; font-family: Figtree, system-ui, sans-serif; }

/* Ordered dimension toggle */
.ordered-toggle { display: flex; align-items: center; gap: 7px; font: 500 12px Figtree; color: #8C8275; cursor: pointer; }
.ordered-toggle input { accent-color: #E07A5F; }

/* Validation warnings */
.warn-box { margin-top: 12px; background: #FBF0DC; border: 1px solid #EBD9B4; border-radius: 10px; padding: 9px 12px; display: flex; flex-direction: column; gap: 4px; }
.warn-item { font: 600 12px Figtree; color: #9C6F18; }

/* Alternative arrangement navigation */
.alt-nav { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 12px; }
.alt-nav-label { font: 600 12px Figtree; color: #8C8275; text-align: center; flex: 1; }
.btn-alt { border: 1px solid #E4DDD0; background: #fff; color: #6F665B; border-radius: 8px; padding: 6px 12px; font: 700 13px Figtree; cursor: pointer; }
.btn-alt:disabled { color: #C9C0B2; cursor: default; }

/* Export */
.export-row { display: flex; gap: 8px; margin-top: 12px; }
.btn-export { flex: 1; border: 1px solid #E4DDD0; background: #fff; color: #6F665B; border-radius: 9px; padding: 9px; font: 700 12.5px Figtree; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }
.btn-export:hover { border-color: #E07A5F; color: #B5503A; }

/* Truncated-search note */
.truncated-note { margin-top: 10px; background: #FBF0DC; border: 1px solid #EBD9B4; border-radius: 9px; padding: 8px 11px; font: 600 12px Figtree; color: #9C6F18; }

/* Blocking rule chips (infeasibility diagnosis) */
.conflict-chip.blocking { color: #9E3A28; background: #FBEAE6; border-color: #E8B3A6; font-weight: 700; }

/* Modal subtitle */
.modal-sub { margin: -8px 0 0; font: 500 13px Figtree; color: #8C8275; }

/* Small screens: stack panels vertically */
@media (max-width: 900px) {
  .app-grid { grid-template-areas: "hdr" "form" "res"; grid-template-columns: minmax(0, 1fr); padding: 14px; }
  .result-panel { position: static; }
  .hdr-actions { width: 100%; }
}

/* Assistant chat drawer */
.chat-drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(400px, 100vw); background: #fff; border-left: 1px solid #ECE6DC; box-shadow: -4px 0 24px rgba(43,39,34,.12); z-index: 90; display: flex; flex-direction: column; }
.chat-hdr { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid #F0EBE1; background: #FCFAF6; }
.chat-title { font: 800 15px Figtree; color: #2B2722; display: block; }
.chat-sub { font: 500 11px Figtree; color: #A89E90; }
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.chat-msg { max-width: 85%; padding: 9px 13px; border-radius: 14px; font: 500 13.5px Figtree; line-height: 1.45; white-space: pre-wrap; word-break: break-word; }
.chat-user { align-self: flex-end; background: #E07A5F; color: #fff; border-bottom-right-radius: 4px; }
.chat-bot { align-self: flex-start; background: #F3EEE4; color: #2B2722; border-bottom-left-radius: 4px; }
.chat-pending { color: #A89E90; }
.chat-notice { align-self: center; font: 600 11.5px Figtree; color: #3E8067; background: #E7F1EC; border: 1px solid #CDE5D7; border-radius: 999px; padding: 4px 12px; }
.chat-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: #A89E90; font: 500 13px Figtree; line-height: 1.6; padding: 24px; }
.chat-empty code { background: #F3EEE4; border-radius: 4px; padding: 1px 5px; font-size: 12px; }
.chat-input-row { display: flex; gap: 8px; padding: 12px; border-top: 1px solid #F0EBE1; background: #FCFAF6; }
.chat-input { flex: 1; resize: none; font: 500 13.5px Figtree; color: #2B2722; background: #fff; border: 1px solid #E4DDD0; border-radius: 10px; padding: 9px 11px; outline: none; font-family: Figtree, system-ui, sans-serif; }
.chat-input:focus { border-color: #E07A5F; }
.btn-chat-send { align-self: flex-end; background: #E07A5F; color: #fff; border: none; border-radius: 10px; padding: 10px 16px; font: 700 13px Figtree; cursor: pointer; font-family: Figtree, system-ui, sans-serif; }
.btn-chat-send:disabled { opacity: .6; cursor: default; }
@media (max-width: 900px) { .chat-drawer { width: 100vw; } }