*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:'Poppins',sans-serif;
}

body{
min-height:100vh;
display:flex;
justify-content:center;
align-items:center;
background:#0f172a;
overflow:visible;
color:white;
}

.background{
    position:fixed;
    inset:0;

    background:
    linear-gradient(
        rgba(15,23,42,.25),
        rgba(15,23,42,.60)
    ),
    url("background.png");

    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
}

.container{
    position:relative;
    z-index:2;

    width:90%;
    max-width:650px;

    padding:30px;

    border-radius:35px;

    background:rgba(5,15,35,0.10);

    backdrop-filter:blur(15px);
    -webkit-backdrop-filter:blur(15px);

    border:1px solid rgba(255,255,255,0.08);

    box-shadow:
        0 0 40px rgba(0,0,0,0.2);

    overflow:hidden;
}

.container::before{
    content:"";
    position:absolute;
    inset:0;
    border-radius:35px;

    background:
    linear-gradient(
        120deg,
        rgba(255,255,255,0.04),
        rgba(255,255,255,0)
    );

    pointer-events:none;
}

.container::after{
    content:"";

    position:absolute;

    top:-30%;
    left:-30%;

    width:60%;
    height:60%;

    background:
    radial-gradient(
        circle,
        rgba(255,255,255,0.08),
        transparent 70%
    );

    pointer-events:none;
}

h1{
font-size:2rem;
font-weight:700;
}

.subtitle{
opacity:.7;
margin-bottom:20px;
}


.ring-bg{
fill:none;
stroke:rgba(255,255,255,.1);
stroke-width:10;
}

.ring-progress{
fill:none;
stroke:#60a5fa;
stroke-width:10;
stroke-linecap:round;
stroke-dasharray:754;
stroke-dashoffset:0;
transition:stroke-dashoffset 1s linear;
}


.modes{
    display:flex;
    justify-content:center;
    gap:12px;

    margin-bottom:25px;
}

.mode{
    min-width:140px;
    padding:14px 30px;
    width:160px;
    border-radius:15px;

    background:rgba(255,255,255,.05);

    border:1px solid rgba(255,255,255,.08);

    color:white;

    cursor:pointer;

    transition:.3s;
}

.mode.active{
    background:rgba(80,130,255,.15);

    border:1px solid rgba(80,130,255,.4);

    box-shadow:
    0 0 15px rgba(80,130,255,.25);
}

.controls{
    display:flex;
    justify-content:center;
    gap:125px;
    margin-top:25px;
    margin-bottom:25px;
}
.control-group{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:10px;
}

.action-btn{
    width:60px;
    height:60px;

    border-radius:50%;

    display:flex;
    align-items:center;
    justify-content:center;

    font-size:2rem;
    cursor:pointer;

    transition:.3s;
}

.start-btn{
    background:rgba(0,255,100,.12);
    border:2px solid rgba(0,255,100,.5);

    box-shadow:
    0 0 20px rgba(0,255,100,.35);
}

.pause-btn{
    background:rgba(255,170,0,.12);
    border:2px solid rgba(255,170,0,.5);

    box-shadow:
    0 0 20px rgba(255,170,0,.35);
}

.reset-btn{
    background:rgba(255,50,50,.12);
    border:2px solid rgba(255,50,50,.5);

    box-shadow:
    0 0 20px rgba(255,50,50,.35);
}

.action-btn:hover{
    transform:scale(1.08);
}


.stats{
display:flex;
justify-content:center;
gap:97px;
margin-top:15px;
}

.stats div{
    text-align:center;
    min-width:90px;
}

.stats div:nth-child(2){
    margin-left:10px;
}

.stats div:nth-child(1){
    margin-left:10px;
}

.stats div:nth-child(3){
    margin-left:10px;
}

.stats span{
display:block;
font-size:1.5rem;
font-weight:700;
}

#toast{
position:fixed;
top:20px;
right:20px;
background:#22c55e;
padding:15px 20px;
border-radius:12px;
transform:translateX(400px);
transition:.4s;
z-index:999;
}

#toast.show{
transform:translateX(0);
}

.timer-wrapper{
    position:relative;

    width:280px;
    height:280px;

    margin:20px auto;

    display:flex;
    justify-content:center;
    align-items:center;
}

.progress-ring{
    position:absolute;
    top:0;
    left:0;

    width:280px;
    height:280px;

    transform:rotate(-90deg);
}

.timer-display{
    position:absolute;

    top:50%;
    left:50%;

    transform:translate(-50%,-50%);

    font-size:4rem;
    font-weight:700;

    line-height:1;
}
.sidebar{

    position:fixed;

    left:20px;
    top:50%;

    transform:translateY(-50%);

    width:220px;

    padding:25px;

    border-radius:30px;

    background:rgba(5,15,35,.08);

    backdrop-filter:blur(20px);

    border:1px solid rgba(255,255,255,.08);

    z-index:5;
}

.logo h2{
    color:white;
    margin-bottom:5px;
}

.logo p{
    color:rgba(255,255,255,.6);
    font-size:.9rem;
    margin-bottom:30px;
}

.nav-item{

    display:flex;

    align-items:center;

    gap:10px;

    padding:15px;

    margin-bottom:10px;

    border-radius:15px;

    color:white;

    text-decoration:none;

    cursor:pointer;

    transition:.3s;
}

.nav-item:hover{

    background:rgba(255,255,255,.08);

}

.nav-item.active{

    background:rgba(80,130,255,.18);

    border:1px solid rgba(80,130,255,.3);

}

.quote{
    margin-top:auto;

    padding:20px;

    color:rgba(255,255,255,.85);

    font-size:.95rem;

    line-height:1.8;

    border-left:3px solid rgba(79,140,255,.7);

    background:rgba(255,255,255,.03);

    border-radius:12px;

    backdrop-filter:blur(10px);
}

.quote p{
    margin:0;
}

.right-panel{

    position:fixed;

    right:25px;
    top:50%;

    transform:translateY(-50%);

    width:260px;

    display:flex;
    flex-direction:column;

    gap:18px;

    z-index:5;
}

.widget{

    padding:20px;

    border-radius:25px;

    background:rgba(5,15,35,.10);

    backdrop-filter:blur(20px);

    border:1px solid rgba(255,255,255,.08);

    color:white;
}

.widget h3{

    font-size:1rem;

    margin-bottom:15px;
}

.big-stat{

    font-size:2rem;

    font-weight:700;

    margin-bottom:10px;
}

.goal-dots{

    display:flex;

    gap:10px;

    margin-bottom:15px;
}

.goal-dots span{

    width:16px;
    height:16px;

    border-radius:50%;

    background:rgba(255,255,255,.15);
}

.goal-dots .active{

    background:#4f9cff;

    box-shadow:
    0 0 10px #4f9cff;
}

.sound-buttons{

    display:flex;

    gap:10px;
}

.sound-buttons button{

    width:50px;
    height:50px;

    border:none;

    border-radius:50%;

    background:rgba(255,255,255,.08);

    color:white;

    cursor:pointer;

    transition:.3s;
}

.sound-buttons button:hover{

    background:#4f9cff;

    transform:translateY(-3px);
}

.quote-card{

    text-align:center;

    line-height:1.7;
} 

@media(max-width:1100px){

.sidebar{
display:none;
}

body{
padding-left:0;
}

.container{
margin-left:0;
}

}

.live-clock{

    margin-top:40px;

    padding-top:20px;

    border-top:1px solid rgba(255,255,255,.08);

    color:white;
}

#currentTime{

    font-size:1.5rem;

    font-weight:700;

    margin-bottom:8px;
}

#currentDate{

    font-size:.85rem;

    color:rgba(255,255,255,.6);

    line-height:1.4;
}

.fullscreen{
    display:block;

    margin:30px auto 0;

    padding:14px 24px;

    border:none;
    border-radius:15px;

    background:rgba(255,255,255,.08);

    color:white;

    cursor:pointer;

    backdrop-filter:blur(10px);

    transition:.3s;
}

.fullscreen:hover{
    background:rgba(255,255,255,.15);
    transform:translateY(-2px);
}

@media(max-width:768px){

body{
    display:block;
    padding:15px;
    min-height:auto;
}

.sidebar{
    display:none;
}

.container{
    width:100%;
    max-width:100%;
    margin:0 auto;
}
.right-panel{
    position:relative;
    top:auto;
    right:auto;
    transform:none;
    width:100%;
    margin:20px 0 0 0;
    z-index:2;
}

.widget{
    width:100%;
}

.controls{
    gap:40px;
}

.stats{
    gap:30px;
}

.mode{
    min-width:90px;
    width:auto;
    padding:12px 14px;
}

}