/* MasterTime Core – giao diện công cụ (khung tối, phong cách công nghệ). */
.mt-tool,.mt-panel{
	--mt-bg:#0B111D;--mt-surface:rgba(255,255,255,.04);--mt-border:rgba(255,255,255,.1);
	--mt-text:#E8EEF8;--mt-muted:#9AA6BD;--mt-accent:#22D3EE;--mt-accent-2:#8B5CF6;
	--mt-ok:#34D399;--mt-warn:#FBBF24;--mt-danger:#F43F5E;
	--mt-mono:ui-monospace,"JetBrains Mono","SF Mono","Cascadia Mono","Roboto Mono",Menlo,Consolas,monospace;
}
.mt-tool{
	position:relative;box-sizing:border-box;margin:0 0 2rem;padding:clamp(20px,4vw,48px) clamp(16px,3vw,32px);
	background:var(--mt-bg);color:var(--mt-text);border:1px solid var(--mt-border);border-radius:24px;
	display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;line-height:1.5;
}
.mt-tool *,.mt-tool *::before,.mt-tool *::after,.mt-panel *,.mt-panel *::before,.mt-panel *::after{box-sizing:border-box}
.mt-tool p{margin:0}
.mt-tool__title{margin:0;font-size:clamp(17px,2vw,20px);font-weight:500;color:var(--mt-muted);letter-spacing:0}
.mt-subtitle{margin:8px 0 0;font-size:15px;font-weight:600;color:var(--mt-muted);text-transform:uppercase;letter-spacing:.08em}
.mt-digits{font-family:var(--mt-mono);font-variant-numeric:tabular-nums}
.mt-display{font-weight:600;font-size:clamp(64px,13vw,184px);line-height:1;letter-spacing:-.02em;color:var(--mt-text);white-space:nowrap}
/* Cỡ chữ số theo bề rộng khung công cụ (không theo cả màn hình) để không tràn khi cột nội dung hẹp */
.mt-tool{container-type:inline-size}
@supports (font-size:1cqi){.mt-display{font-size:clamp(48px,17cqi,184px)}.mt-dial .mt-display{font-size:clamp(44px,12cqi,104px)}}
.mt-accent{color:var(--mt-accent)}
.mt-cs{font-size:.55em}
.mt-ampm{font-size:.3em;margin-left:.2em;color:var(--mt-muted)}
.mt-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;font-size:17px;color:var(--mt-muted)}
.mt-meta [data-mt="date"],.mt-meta .mt-digits{color:var(--mt-text)}
.mt-sync,.mt-status,.mt-wake{font-size:14px;color:var(--mt-muted);border:1px solid var(--mt-border);border-radius:999px;padding:5px 14px}
.mt-sync.is-ok,.mt-status.is-run,.mt-wake{color:var(--mt-ok);border-color:rgba(52,211,153,.35)}
.mt-sync.is-warn,.mt-status.is-pause{color:var(--mt-warn);border-color:rgba(251,191,36,.4)}
.mt-tool .mt-status{border:0;padding:0;display:inline-flex;align-items:center;gap:8px;font-size:14px}
.mt-tool .mt-status::before{content:"";width:8px;height:8px;border-radius:999px;background:currentColor;opacity:.9}
.mt-warn{font-size:15px;color:#F5D88A;background:rgba(251,191,36,.07);border:1px solid rgba(251,191,36,.35);border-radius:14px;padding:12px 16px;max-width:720px}
.mt-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:flex-end}
.mt-controls{gap:12px}
.mt-noscript{color:var(--mt-warn)}

/* Nút */
.mt-btn,.mt-chip,.mt-day{font:inherit;cursor:pointer;border-radius:999px;transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease;-webkit-tap-highlight-color:transparent}
.mt-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 26px;font-size:17px;font-weight:600;border:1px solid transparent}
.mt-btn--primary{background:var(--mt-accent);color:#04131A;min-width:150px}
.mt-btn--primary:hover{box-shadow:0 0 0 4px rgba(34,211,238,.18)}
.mt-btn--primary.is-pause{background:var(--mt-warn);color:#1A1204}
.mt-btn--accent{background:var(--mt-accent);color:#04131A;min-width:150px}
.mt-btn--accent:hover{box-shadow:0 0 0 4px rgba(34,211,238,.18)}
.mt-btn--accent[disabled]{background:rgba(255,255,255,.08);color:var(--mt-muted)}
.mt-btn--icon{width:52px;min-width:52px;padding:0}
.mt-btn--secondary{background:rgba(34,211,238,.14);color:var(--mt-text);border-color:rgba(34,211,238,.45)}
.mt-btn--ghost{background:transparent;color:var(--mt-text);border-color:rgba(255,255,255,.18)}
.mt-btn--ghost:hover,.mt-chip:hover,.mt-day:hover{border-color:var(--mt-accent)}
.mt-btn--wide{min-width:240px;min-height:56px;font-size:18px}
.mt-btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none}
.mt-chip,.mt-day{min-height:44px;padding:0 16px;font-size:15px;background:transparent;color:var(--mt-text);border:1px solid rgba(255,255,255,.16)}
.mt-chip.is-active,.mt-day[aria-pressed="true"]{border-color:var(--mt-accent);color:var(--mt-accent);background:rgba(34,211,238,.1)}
.mt-day{min-width:48px;padding:0 10px}
.mt-btn:focus-visible,.mt-chip:focus-visible,.mt-day:focus-visible,.mt-tool input:focus-visible,.mt-tool select:focus-visible{outline:2px solid var(--mt-accent);outline-offset:3px}
.mt-btn svg{flex:none}

/* Ô nhập */
.mt-field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--mt-muted);text-align:left}
.mt-tool input[type=number],.mt-tool input[type=text],.mt-tool select{height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:#0E1424;color:var(--mt-text);font:inherit;font-size:16px;padding:0 12px;min-width:0}
.mt-tool input[type=text]{width:190px}
.mt-tool .mt-field--num input{width:64px;text-align:center;font-family:var(--mt-mono);font-size:22px}
.mt-tool .mt-field--big input{width:clamp(96px,22vw,150px);height:clamp(84px,18vw,120px);text-align:center;font-family:var(--mt-mono);font-size:clamp(48px,10vw,80px);font-weight:600;border-radius:20px}
.mt-colon{font-size:clamp(48px,10vw,80px);color:var(--mt-accent);align-self:center;margin-top:18px}
.mt-tool input[type=range]{width:140px;height:48px;accent-color:var(--mt-accent)}
.mt-check{display:inline-flex;gap:8px;align-items:center;font-size:14px;color:var(--mt-muted);min-height:44px;cursor:pointer}
.mt-check input{width:20px;height:20px;accent-color:var(--mt-accent)}
.mt-check--sm{min-height:0;font-size:13px;gap:6px}
.mt-check--sm input{width:16px;height:16px;margin:0}
.mt-days{border:0;margin:0;padding:0}
.mt-days legend{font-size:13px;color:var(--mt-muted);margin:0 auto 8px;padding:0}
.mt-keys{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;font-size:13px;color:var(--mt-muted)}
.mt-keys kbd{font-family:var(--mt-mono);font-size:12px;color:var(--mt-text);border:1px solid rgba(255,255,255,.2);border-bottom-width:2px;border-radius:6px;padding:1px 7px;background:transparent}

/* Đồng hồ thế giới */
.mt-world{list-style:none;margin:0;padding:0;width:100%;max-width:900px;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.mt-city{display:flex;flex-direction:column;gap:2px;border:1px solid var(--mt-border);border-radius:16px;padding:14px 16px;text-align:left}
.mt-city__name,.mt-city__diff{font-size:14px;color:var(--mt-muted)}
.mt-city__time{font-size:28px;font-weight:600}

/* Bấm giờ */
.mt-panel{box-sizing:border-box;margin:-1rem 0 2rem;background:var(--mt-bg);color:var(--mt-text);border:1px solid var(--mt-border);border-radius:20px;line-height:1.5;text-align:left}
.mt-panel[hidden]{display:none}
.mt-panel__head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.mt-panel .mt-panel__title{margin:0;font-size:17px;font-weight:600;color:var(--mt-text);letter-spacing:0;text-transform:none}
.mt-laps{overflow:hidden}
.mt-laps__head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--mt-border)}
.mt-laps__head .mt-row{gap:8px}
.mt-table-wrap{max-height:420px;overflow:auto}
.mt-table{width:100%;border-collapse:collapse;font-family:var(--mt-mono);font-variant-numeric:tabular-nums;font-size:16px;margin:0}
.mt-table th{font-family:inherit;font-size:12px;font-weight:500;color:var(--mt-muted);text-align:left;padding:12px 18px;position:sticky;top:0;background:var(--mt-bg);border:0;border-bottom:1px solid var(--mt-border)}
.mt-table td{padding:12px 18px;border:0;border-top:1px solid rgba(255,255,255,.06)}
.mt-table td:nth-child(3){color:var(--mt-muted)}
.mt-tag-fast{color:var(--mt-ok);font-size:13px}
.mt-tag-slow{color:var(--mt-danger);font-size:13px}

/* Đếm ngược */
.mt-dial{position:relative;width:min(420px,86vw);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.mt-dial__ring{position:absolute;inset:0;width:100%;height:100%}
.mt-dial__track{fill:none;stroke:rgba(255,255,255,.07);stroke-width:6}
.mt-dial__bar{fill:none;stroke-width:6;stroke-linecap:round;stroke-dasharray:578.05;stroke-dashoffset:0;transition:stroke .3s ease}
.mt-tool.is-low .mt-dial__bar{stroke:var(--mt-warn)}
.mt-dial__inner{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px}
.mt-dial .mt-display{font-size:clamp(52px,12vw,104px)}
.mt-dial__label,.mt-dial__end{font-size:14px;color:var(--mt-muted);min-height:1.5em;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mt-presets .mt-chip{min-width:84px}
.mt-settings{width:100%;max-width:760px;display:flex;flex-direction:column;align-items:center;gap:16px;border-top:1px solid var(--mt-border);padding-top:24px;margin-top:4px}
.mt-tool .mt-field--label input{width:200px}

/* Bộ hẹn giờ khác */
.mt-multi{padding:18px 20px}
.mt-multi__empty{margin:12px 0 0;font-size:14px;color:var(--mt-muted)}
.mt-multi__empty[hidden]{display:none}
.mt-multi__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.mt-multi__list:not(:empty){margin-top:16px}
.mt-xt{display:flex;align-items:center;gap:10px;border:1px solid var(--mt-border);border-radius:16px;padding:14px 16px;margin:0}
.mt-xt__info{flex:1;min-width:0;display:flex;flex-direction:column}
.mt-xt__name{font-size:13px;color:var(--mt-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mt-xt__time{font-size:28px;font-weight:600;line-height:1.2;color:var(--mt-text)}
.mt-xt__btn{flex:none;width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:transparent;color:var(--mt-text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0;font:inherit;font-size:18px;line-height:1}
.mt-xt__btn:hover{border-color:var(--mt-accent)}
.mt-xt__btn:focus-visible{outline:2px solid var(--mt-accent);outline-offset:2px}
.mt-xt__del{width:32px;height:32px;border-color:transparent;color:var(--mt-muted)}
.mt-xt.is-low{border-color:rgba(251,191,36,.55)}
.mt-xt.is-low .mt-xt__time{color:var(--mt-warn)}
.mt-xt.is-paused .mt-xt__time{color:var(--mt-muted)}
.mt-panel .mt-chip{font-size:14px;min-height:40px}
.mt-panel .mt-chip[disabled]{opacity:.45;cursor:not-allowed}

/* Báo thức: cảnh báo trên cùng, công cụ bên trái, danh sách bên phải */
.mt-alarm-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,300px);gap:16px;align-items:stretch;margin:0 0 2rem}
.mt-alarm-layout>.mt-warn--bar{grid-column:1/-1}
.mt-alarm-layout>.mt-tool,.mt-alarm-layout>.mt-panel{margin:0}
.mt-warn--bar{display:flex;gap:10px;align-items:center;max-width:none;margin:0;text-align:left;line-height:1.5}
.mt-warn--bar svg{flex:none}
.mt-alarms{padding:20px}
.mt-alarms__empty{margin:12px 0 0;font-size:14px;color:var(--mt-muted)}
.mt-alarms__empty[hidden]{display:none}
.mt-alarms .mt-alarm-list{margin-top:14px}
.mt-alarms .mt-alarm{flex-wrap:wrap;gap:4px 10px;padding:12px 14px}
.mt-alarms .mt-alarm__time{font-size:26px;flex:1 0 auto}
.mt-alarms .mt-alarm__info{flex:1 1 100%;order:3;font-size:13px}
.mt-alarms .mt-check{min-height:0;font-size:13px}
.mt-alarms .mt-alarm__del{width:32px;height:32px;font-size:16px;border-color:transparent;color:var(--mt-muted)}
.mt-tool .mt-now{font-size:15px}
.mt-tool .mt-until{font-size:15px}
.mt-tool .mt-until strong,.mt-tool .mt-now .mt-digits{color:var(--mt-text);font-weight:600}
.mt-hint{font-size:13px;color:var(--mt-muted)}
.mt-alarm-opts{align-items:flex-end}
.mt-tool .mt-field--big input:focus{border-color:var(--mt-accent);background:rgba(34,211,238,.06)}
@media (max-width:600px){.mt-alarm-opts input[type=range]{width:100%}}
.mt-alarm-opts .mt-field--label input{width:180px}
@media (max-width:900px){.mt-alarm-layout{grid-template-columns:minmax(0,1fr)}}

.mt-alarm-time{align-items:center}
.mt-alarm-list{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.mt-alarm{display:flex;align-items:center;gap:14px;border:1px solid var(--mt-border);border-radius:16px;padding:12px 16px}
.mt-alarm.is-on{border-color:rgba(34,211,238,.45)}
.mt-alarm__time{font-family:var(--mt-mono);font-size:28px;font-weight:600}
.mt-alarm:not(.is-on) .mt-alarm__time{color:var(--mt-muted)}
.mt-alarm__info{flex:1;min-width:0;font-size:14px;color:var(--mt-muted);overflow:hidden;text-overflow:ellipsis}
.mt-alarm__del{width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:transparent;color:var(--mt-text);cursor:pointer;font-size:18px;line-height:1}

/* Màn hình chuông */
.mt-ring{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:24px;background:#1A0710;color:#FFE4E6;animation:mt-flash 1s ease-in-out 3}
.mt-ring[hidden]{display:none}
.mt-ring__box{width:100%;max-width:440px;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}
.mt-ring__title{font-size:30px;font-weight:700;color:#FFF}
.mt-ring__label{font-size:18px;color:#FDA4AF}
.mt-ring__time{font-size:clamp(64px,18vw,96px);font-weight:600;line-height:1;color:#FB7185}
.mt-ring__note{font-size:14px;color:#FDA4AF}
.mt-ring__actions{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:10px}
.mt-ring__actions .mt-btn{width:100%;color:#FFE4E6;border-color:rgba(253,164,175,.45);background:transparent}
.mt-ring__actions .mt-btn--stop{grid-column:1/-1;background:var(--mt-danger);border-color:var(--mt-danger);color:#fff;min-height:60px;font-size:18px}
@keyframes mt-flash{50%{background:#5E0B22}}

/* Toàn màn hình */
.mt-tool:fullscreen{border-radius:0;border:0;justify-content:center;width:100vw;height:100vh;overflow:auto}
.mt-tool:fullscreen .mt-hide-fs{display:none}
.mt-tool:fullscreen .mt-display{font-size:clamp(80px,22vw,40vh)}
.mt-tool:fullscreen .mt-dial{width:min(80vh,92vw)}
.mt-tool:fullscreen .mt-dial .mt-display{font-size:clamp(64px,15vw,22vh)}
.mt-tool.mt-is-fs-fallback{position:fixed;inset:0;z-index:99990;margin:0;border-radius:0;justify-content:center}
.mt-tool.mt-is-fs-fallback .mt-hide-fs{display:none}

@media (max-width:600px){
	.mt-tool{border-radius:18px;gap:14px}
	.mt-controls .mt-btn--primary{flex:1 1 100%;order:-1}
	.mt-tool .mt-field:not(.mt-field--num) input[type=text]{width:100%}
	.mt-tool .mt-field--label{flex:1 1 100%}
	.mt-multi{padding:16px}
	.mt-row>.mt-field:not(.mt-field--num):not(.mt-field--big){flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
	.mt-ring{animation:none}
	.mt-btn,.mt-chip,.mt-day,.mt-dial__bar{transition:none}
}

/* ---------- Nội dung bên dưới công cụ (theo màu theme) ---------- */
.mt-answer{font-size:1.125em;line-height:1.7;border-left:3px solid #22D3EE;padding:.25em 0 .25em 1em}
.mt-steps,.mt-cases{list-style:none;margin:1.25em 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;counter-reset:mt-step}
.mt-steps>li,.mt-cases>li{margin:0;border:1px solid rgba(127,127,127,.25);border-radius:16px;padding:18px 20px;line-height:1.6}
.mt-steps>li{counter-increment:mt-step}
.mt-steps>li::before{content:counter(mt-step,decimal-leading-zero);display:block;font-family:ui-monospace,"JetBrains Mono",Menlo,monospace;font-weight:600;font-size:13px;letter-spacing:.08em;color:#0891B2;margin-bottom:8px}
.mt-steps strong,.mt-cases strong{display:block;font-size:1.05em;margin-bottom:4px}
.mt-help{border:1px solid rgba(217,119,6,.4);background:rgba(251,191,36,.08);border-radius:16px;padding:18px 22px;margin:1em 0 2em}
.mt-help h3{margin-top:0}
.mt-help ul{margin-bottom:0}
.mt-faq{margin:2em 0}
.mt-faq details{border-bottom:1px solid rgba(127,127,127,.25);padding:14px 0}
.mt-faq summary{cursor:pointer;font-weight:600}
.mt-faq details p{margin:.5em 0 0}
.mt-related{margin:2.5em 0 1.5em}
.mt-related__list{list-style:none;margin:1em 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.mt-related__list li{margin:0}
.mt-rel{display:flex;flex-direction:column;gap:4px;height:100%;text-decoration:none;border:1px solid rgba(127,127,127,.25);border-radius:16px;padding:20px;color:inherit}
.mt-rel:hover,.mt-rel:focus-visible{border-color:#22D3EE;color:inherit}
.mt-rel__preview{font-size:24px;font-weight:600;color:#0891B2}
.mt-rel__title{font-weight:600;font-size:1.05em;margin-top:6px}
.mt-rel__desc{font-size:.92em;opacity:.75}
.mt-byline{font-size:.9em;opacity:.8;border-top:1px solid rgba(127,127,127,.25);padding-top:1em}
.mt-has-tool .rank-math-breadcrumb{font-size:14px;margin-bottom:12px}