/* Segment 19.4 Calendar Experience Overhaul — loaded directly and inlined by _frontend.php. */
.calendar-hero{padding:76px 0 34px;background:radial-gradient(circle at 74% 18%,rgba(245,184,46,.18),transparent 32%),radial-gradient(circle at 12% 70%,rgba(199,0,57,.20),transparent 26%)}
.calendar-hero-grid{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:end}.calendar-hero h1{margin:0;font-size:clamp(46px,6vw,94px);line-height:.9;letter-spacing:-.06em;text-transform:uppercase}.calendar-lead{max-width:760px;margin:20px 0 0;color:var(--muted);font-size:18px;line-height:1.55}.calendar-status-card{border:1px solid rgba(245,184,46,.32);border-radius:28px;background:linear-gradient(145deg,rgba(245,184,46,.14),rgba(255,255,255,.045));padding:24px;box-shadow:0 24px 80px rgba(0,0,0,.35)}.calendar-status-card span,.calendar-status-card small{display:block;color:var(--muted);font-weight:800}.calendar-status-card strong{display:block;margin:6px 0;font-size:30px;color:var(--gold);letter-spacing:-.03em}.calendar-experience{padding-top:42px}.calendar-control-panel{border:1px solid rgba(255,255,255,.13);border-radius:30px;background:linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.025));box-shadow:0 32px 95px rgba(0,0,0,.40);padding:24px;margin-bottom:28px}.calendar-control-header{display:grid;grid-template-columns:1fr 260px;gap:20px;align-items:end}.calendar-loop-switch{display:flex;gap:12px}.calendar-loop-switch button{min-height:56px;flex:1;border:1px solid rgba(255,255,255,.15);border-radius:17px;background:rgba(0,0,0,.28);color:#fff;font-weight:950;text-transform:uppercase;letter-spacing:.06em;cursor:pointer}.calendar-loop-switch button.active{background:linear-gradient(180deg,#ffc947,#d99d10);color:#120c02;border-color:rgba(245,184,46,.72);box-shadow:0 18px 44px rgba(245,184,46,.19)}.calendar-next-entry{border:1px solid rgba(245,184,46,.24);border-radius:20px;background:rgba(0,0,0,.22);padding:16px}.calendar-next-entry span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:950}.calendar-next-entry strong{display:block;margin-top:4px;font-size:24px;color:#fff}.airport-picker{margin-top:24px}.airport-picker label{display:block;color:var(--gold);font-size:12px;text-transform:uppercase;letter-spacing:.15em;font-weight:950;margin-bottom:10px}.airport-search-box{display:flex;align-items:center;gap:10px;border:1px solid rgba(245,184,46,.33);border-radius:20px;background:#07070a;padding:6px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}.airport-search-box input{flex:1;border:0;background:transparent;color:#fff;outline:none;padding:16px 14px;font-size:18px;font-weight:850}.airport-search-box button{width:44px;height:44px;border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(255,255,255,.06);color:#fff;font-size:24px;cursor:pointer}.airport-result-list{max-height:292px;overflow:auto;margin-top:12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding-right:4px}.airport-result{display:grid;grid-template-columns:1fr auto;grid-template-areas:"city code" "status code";align-items:center;gap:2px 14px;text-align:left;border:1px solid rgba(255,255,255,.11);border-radius:18px;background:rgba(255,255,255,.045);color:#fff;padding:14px 16px;cursor:pointer}.airport-result span{grid-area:city;font-weight:950}.airport-result b{grid-area:code;color:var(--gold);font-size:20px}.airport-result small{grid-area:status;color:var(--muted)}.airport-result:hover,.airport-result.selected{border-color:rgba(245,184,46,.55);background:rgba(245,184,46,.10)}.airport-result.unavailable{opacity:.35;cursor:not-allowed}.airport-result.is-hidden{display:none}.calendar-help{margin:12px 0 0;color:var(--muted);font-size:14px}.calendar-board{border:1px solid rgba(255,255,255,.12);border-radius:32px;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.025));padding:22px;box-shadow:0 32px 100px rgba(0,0,0,.36)}.calendar-toolbar.premium-toolbar{margin:0 0 18px}.calendar-month-title{text-align:center}.calendar-month-title span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.15em;font-weight:950}.calendar-month-title strong{display:block;margin-top:4px;font-size:clamp(28px,4vw,52px);letter-spacing:-.04em}.calendar-legend{display:flex;gap:14px;flex-wrap:wrap;margin:0 0 18px;color:var(--muted);font-size:13px;font-weight:800}.calendar-legend span{display:inline-flex;align-items:center;gap:8px}.legend-dot{width:10px;height:10px;border-radius:50%;display:inline-block}.legend-dot.available{background:var(--gold);box-shadow:0 0 18px rgba(245,184,46,.65)}.legend-dot.locked{background:rgba(255,255,255,.25)}.legend-dot.pending{background:var(--red);box-shadow:0 0 18px rgba(199,0,57,.55)}.calendar-empty-month{margin:0 0 18px;border:1px solid rgba(245,184,46,.25);border-radius:18px;background:rgba(245,184,46,.08);padding:14px 16px;color:#e7ddce}.calendar-empty-month a{color:var(--gold);font-weight:950;margin-left:8px}.premium-calendar{padding:0;background:transparent;border:0}.booking-calendar-grid{gap:10px}.booking-calendar-grid .weekday{border:0;background:transparent;color:var(--gold);text-align:center;font-size:12px;text-transform:uppercase;letter-spacing:.14em}.booking-calendar-grid .calendar-day{position:relative;min-height:112px;border-radius:20px;background:rgba(0,0,0,.30);overflow:hidden;transition:.18s ease}.booking-calendar-grid .calendar-day.available{background:linear-gradient(160deg,rgba(245,184,46,.30),rgba(199,0,57,.18) 70%,rgba(0,0,0,.30));border-color:rgba(245,184,46,.58);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08),0 16px 42px rgba(245,184,46,.10)}.booking-calendar-grid .calendar-day.available:after{content:"";position:absolute;right:-20px;bottom:-24px;width:72px;height:72px;border-radius:50%;background:rgba(245,184,46,.18);filter:blur(4px)}.booking-calendar-grid .calendar-day.available:hover{transform:translateY(-3px);box-shadow:0 22px 58px rgba(245,184,46,.18)}.booking-calendar-grid .calendar-day.disabled{background:rgba(255,255,255,.025);border-color:rgba(255,255,255,.07);opacity:1;color:rgba(255,255,255,.25)}.booking-calendar-grid .calendar-day.blank{background:transparent;border-color:transparent}.booking-calendar-grid .date{font-size:28px;letter-spacing:-.03em}.booking-calendar-grid .loop{color:inherit;opacity:.72}.booking-calendar-grid .calendar-day strong{position:relative;z-index:2;font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:#fff}.verification-note{margin-top:18px}.no-results{display:none;color:var(--gold);font-weight:850;margin-top:12px}
@media(max-width:900px){.calendar-hero-grid,.calendar-control-header{grid-template-columns:1fr}.airport-result-list{grid-template-columns:1fr}.calendar-board{padding:14px}.booking-calendar-grid{gap:6px}.booking-calendar-grid .calendar-day{min-height:82px;border-radius:15px}.booking-calendar-grid .date{font-size:22px}.calendar-loop-switch{flex-direction:column}}
@media(max-width:560px){.calendar-hero{padding-top:48px}.calendar-control-panel{padding:16px;border-radius:22px}.calendar-board{border-radius:22px}.calendar-toolbar.premium-toolbar{display:grid;grid-template-columns:1fr;gap:12px}.calendar-month-title{order:-1}.booking-calendar-grid{gap:4px}.booking-calendar-grid .weekday{font-size:10px;padding:7px 0}.booking-calendar-grid .calendar-day{min-height:58px;padding:7px}.booking-calendar-grid .calendar-day .loop,.booking-calendar-grid .calendar-day strong{display:none}.booking-calendar-grid .date{font-size:18px}.airport-search-box input{font-size:16px}.calendar-empty-month a{display:block;margin:6px 0 0}}

/* Segment 19.7 server-fallback controls */
.calendar-loop-switch label{min-height:56px;flex:1;display:grid;place-items:center;border:1px solid rgba(255,255,255,.15);border-radius:17px;background:rgba(0,0,0,.28);color:#fff;font-weight:950;text-transform:uppercase;letter-spacing:.06em;cursor:pointer}
.calendar-loop-switch label.active{background:linear-gradient(180deg,#ffc947,#d99d10);color:#120c02;border-color:rgba(245,184,46,.72);box-shadow:0 18px 44px rgba(245,184,46,.19)}
.calendar-loop-switch label input{position:absolute;opacity:0;pointer-events:none}
.airport-picker select,.search-field select{width:100%;margin-top:12px;border:1px solid rgba(255,255,255,.16);border-radius:16px;background:#08080b;color:#fff;padding:14px 16px;outline:none}
.inline-calendar-panel{margin-top:18px}
.compact-inline-calendar{display:none}


/* Segment 19.9 calendar validation and year navigation */
.calendar-period-controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin:18px 0 0;border-top:1px solid rgba(255,255,255,.09);padding-top:18px}
.calendar-period-controls label{display:grid;gap:7px;min-width:132px;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:950}
.calendar-period-controls select{min-height:48px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:#08080b;color:#fff;padding:0 12px;font-weight:850}
.calendar-empty-state{margin-top:14px;border:1px solid rgba(245,184,46,.25);border-radius:18px;background:rgba(245,184,46,.08);padding:14px 16px;color:#e7ddce;font-weight:850}
.entry-error-list{margin:22px 0 0;padding:18px 22px;border:1px solid rgba(199,0,57,.38);border-radius:18px;background:rgba(199,0,57,.10);color:#fff}
.entry-error-list li+li{margin-top:8px}
.entry-error .status-line .value.warning{color:#ffb0b0}
@media(max-width:560px){.calendar-period-controls{display:grid;grid-template-columns:1fr}.calendar-period-controls .button{width:100%}.calendar-period-controls label{min-width:0}.entry-error-list{padding:14px 18px}}


/* Segment 20 Flight Ops Calendar Expansion */
.calendar-hero{position:relative;overflow:hidden}.calendar-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 0 45%,rgba(245,184,46,.07),transparent 58%),radial-gradient(circle at 70% 30%,rgba(199,0,57,.18),transparent 28%);pointer-events:none}.calendar-status-card{position:relative;overflow:hidden}.calendar-status-card:after{content:"";position:absolute;right:-32px;bottom:-40px;width:120px;height:120px;border-radius:50%;background:rgba(245,184,46,.10)}.calendar-ops-tags{position:relative;display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.calendar-ops-tags i{font-style:normal;border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:7px 9px;color:#e7ddce;background:rgba(0,0,0,.24);font-size:11px;text-transform:uppercase;letter-spacing:.10em;font-weight:950}.calendar-control-panel{position:relative;overflow:hidden}.calendar-control-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(245,184,46,.06),transparent 36%,rgba(199,0,57,.06));pointer-events:none}.calendar-control-panel>*{position:relative}.calendar-board-readout{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0 0 18px}.calendar-board-readout span{border:1px solid rgba(255,255,255,.11);border-radius:16px;background:rgba(0,0,0,.22);padding:12px;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:850}.calendar-board-readout b{display:block;color:#fff;font-size:16px;margin-bottom:4px;letter-spacing:0}.airport-search-box:focus-within{border-color:var(--gold);box-shadow:0 0 0 4px rgba(245,184,46,.12),inset 0 0 0 1px rgba(255,255,255,.06)}.calendar-loop-switch label,.airport-result,.booking-calendar-grid .calendar-day{transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}.calendar-loop-switch label:hover,.airport-result:hover{transform:translateY(-2px)}.calendar-board{background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025)),radial-gradient(circle at 20% 12%,rgba(245,184,46,.09),transparent 26%)}.booking-calendar-grid .calendar-day.available{color:#fff}.booking-calendar-grid .calendar-day.available .date{color:#fff;text-shadow:0 0 18px rgba(245,184,46,.35)}.booking-calendar-grid .calendar-day.disabled{filter:saturate(.7)}
@media(max-width:900px){.calendar-board-readout{grid-template-columns:1fr}.calendar-ops-tags{margin-top:12px}}
@media(max-width:560px){.calendar-status-card{padding:18px}.calendar-board-readout span{padding:10px}.calendar-control-header{gap:14px}.calendar-next-entry{padding:13px}.calendar-period-controls{gap:10px}.booking-calendar-grid .calendar-day.available{box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}}