* { -webkit-tap-highlight-color:transparent; touch-action:manipulation; }
.main-content { min-height:calc(100vh - 160px); padding:clamp(20px,4vw,40px) 12px 48px; background:#fff;
    transition:background .6s ease; }
[data-theme="dark"] .main-content { background:linear-gradient(180deg,rgba(9,15,22,.96),rgba(5,10,16,.92)); }
.mod-container { max-width:700px; margin:0 auto; }
.mod-card {
    background:#fff; border-radius:36px; padding:clamp(28px,4vw,48px);
    border:1px solid rgba(148,163,184,.22); position:relative; overflow:hidden;
    text-align:center;
    display:flex; flex-direction:column; align-items:center;
    box-shadow:0 10px 24px rgba(15,23,42,.08);
}
[data-theme="dark"] .mod-card {
    background:linear-gradient(155deg,rgba(10,31,47,.97),rgba(5,16,25,.98) 58%,rgba(8,27,40,.97)),#0b1d2b;
    box-shadow:0 20px 48px rgba(0,0,0,.32); border-color:rgba(94,188,245,.24);
}
.mod-card::before {
    content:""; position:absolute; inset:0; pointer-events:none;
    background:radial-gradient(circle at top right,rgba(255,194,92,.08),transparent 30%),
               radial-gradient(circle at top left,rgba(74,219,255,.08),transparent 30%);
}
.mod-title {
    width:100%; display:flex; align-items:center; justify-content:center; gap:8px;
    font-weight:800; font-size:clamp(1.3rem,4vw,2.2rem);
    background:linear-gradient(145deg,#0f5fd0,#00a7d8 48%,#f97316);
    -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
    margin:0 0 14px; line-height:1.15; text-align:center;
}
[data-theme="dark"] .mod-title {
    background:linear-gradient(145deg,#f8fdff,#7bd7ff 48%,#ffd27a);
    -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
.mode-badge {
    display:inline-block; font-size:.74rem; letter-spacing:.2em; text-transform:uppercase;
    font-weight:700; padding:5px 16px; border-radius:30px; margin-bottom:34px;
    transition:all .4s;
}
.mode-badge.work  { background:rgba(74,219,255,.12); border:1px solid rgba(74,219,255,.3); color:#4adbff; }
.mode-badge.break { background:rgba(74,255,181,.12); border:1px solid rgba(74,255,181,.3); color:#4affb5; }
/* Ring */
.ring-wrap { position:relative; display:block; margin:0 auto 28px; width:240px; height:240px; }
svg.ring { transform:rotate(-90deg); display:block; overflow:visible; }
.ring-track { fill:none; stroke:rgba(15,23,42,.10); stroke-width:10; }
[data-theme="dark"] .ring-track { stroke:rgba(255,255,255,.07); }
.ring-fill  { fill:none; stroke-width:10; stroke-linecap:round;
    transition:stroke-dashoffset .8s cubic-bezier(.4,0,.2,1), stroke .6s; }
.ring-work  { stroke:url(#workGrad); }
.ring-break { stroke:url(#breakGrad); }
.ring-center {
    position:absolute; inset:0; display:flex; flex-direction:column;
    align-items:center; justify-content:center; gap:6px; padding:0 18px;
}
.timer-display { font-size:clamp(2.5rem,9vw,3.8rem); font-weight:900; color:#0f172a;
    line-height:1; letter-spacing:.01em; text-align:center; max-width:100%;
    text-shadow:none; font-variant-numeric:tabular-nums; }
[data-theme="dark"] .timer-display { color:#fff; text-shadow:0 0 30px rgba(255,255,255,.2); }
.session-label { color:rgba(15,23,42,.48); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; }
[data-theme="dark"] .session-label { color:rgba(255,255,255,.4); }
/* Buttons */
.btn-row { width:100%; display:flex; gap:12px; justify-content:center; align-items:center; flex-wrap:wrap; margin-bottom:24px; }
.btn-main {
    background:linear-gradient(160deg,#ffae5a,#f57c2e); border:none;
    font-size:clamp(1rem,3vw,1.3rem); font-weight:700; padding:14px 36px;
    border-radius:60px; color:#0e2b37; letter-spacing:1px;
    box-shadow:0 8px 0 #a1440b,0 8px 28px #ffb45b; cursor:pointer;
    transition:.08s linear; user-select:none; min-width:130px;
}
.btn-main:active { transform:translateY(6px); box-shadow:0 2px 0 #a1440b; }
.btn-secondary {
    background:rgba(15,23,42,.04); border:1px solid rgba(15,23,42,.14);
    border-radius:60px; color:rgba(15,23,42,.7); font-size:1rem; font-weight:700;
    padding:13px 20px; cursor:pointer; transition:.1s; user-select:none;
}
[data-theme="dark"] .btn-secondary {
    background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.15); color:rgba(255,255,255,.6);
}
.btn-secondary:hover { border-color:rgba(74,219,255,.45); color:#0f172a; }
[data-theme="dark"] .btn-secondary:hover { border-color:rgba(255,255,255,.4); color:rgba(255,255,255,.9); }
/* Sessions dots */
.sessions-row { width:100%; display:flex; gap:8px; justify-content:center; margin-bottom:24px; flex-wrap:wrap; }
.session-dot { width:12px; height:12px; border-radius:50%;
    background:rgba(15,23,42,.22); border:1px solid rgba(15,23,42,.12); transition:.3s; }
[data-theme="dark"] .session-dot {
    background:rgba(255,255,255,.15); border-color:rgba(255,255,255,.06);
}
.session-dot.done-work  { background:#4adbff; box-shadow:0 0 10px #4adbff; }
.session-dot.done-break { background:#4affb5; box-shadow:0 0 10px #4affb5; }
.session-dot.current    { background:#fff7b5; box-shadow:0 0 10px #ffbf00; transform:scale(1.3); }
/* Settings row */
.settings-row { width:100%; display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
.setting-chip {
    background:rgba(15,23,42,.04); border:1px solid rgba(15,23,42,.12);
    border-radius:100px; color:rgba(15,23,42,.68); font-size:.76rem;
    font-weight:600; padding:7px 14px; cursor:pointer; transition:.1s; user-select:none;
}
[data-theme="dark"] .setting-chip {
    background:rgba(255,255,255,.05); border-color:rgba(255,255,255,.12); color:rgba(255,255,255,.5);
}
.setting-chip:hover, .setting-chip.active { border-color:rgba(74,219,255,.5); color:#4adbff; background:rgba(74,219,255,.08); }
/* Quote */
.quote-area { color:rgba(15,23,42,.42); font-size:.82rem; font-style:italic;
    margin-top:20px; line-height:1.6; min-height:2.4em; }
[data-theme="dark"] .quote-area { color:rgba(255,255,255,.3); }

@media(max-width:520px) {
    .mod-card { padding:26px 16px 34px; }
    .mod-title { margin-bottom:16px; }
    .mode-badge { margin-bottom:32px; }
    .ring-wrap { transform:scale(.96); transform-origin:center; margin-bottom:18px; }
}