*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
    font-family: monospace;
    color: white;
}

:root{
    --bgBlurEffect : blur(20px);
    --transitionTiming :  all .2s linear;
    --darkModeBg : rgba(255, 255, 255, 0.1);
}

body{
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #141E30, #243B55);
    background: -webkit-linear-gradient(135deg, #141E30, #243B55);
}


/* Quiz Container */
.quiz-app-container{
    width: 500px;
    height: 460px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 15px 12px;
    background:var(--darkModeBg);
    backdrop-filter: var(--bgBlurEffect);
    -webkit-backdrop-filter: var(--bgBlurEffect);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    animation: fadeIn 1s ease;
    -webkit-animation: fadeIn 1s ease;
}

@keyframes fadeIn {
  from {opacity: 0; transform: translateY(20px);}
  to {opacity: 1; transform: translateY(0);}
}
@-webkit-keyframes fadeIn{ 
  from {opacity: 0; -webkit-transform: translateY(20px); transform: translateY(20px);}
  to {opacity: 1; -webkit-transform: translateY(0); transform: translateY(0);}
}

/* Status Bar Stylling */
.status-bar{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    justify-content: space-between;
    padding: 10px 15px;
    border-radius: 12px;
    background: var(--darkModeBg);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    transition: var(--transitionTiming);
    -webkit-transition: var(--transitionTiming); 
    -moz-transition: var(--transitionTiming);
}

.status-bar:hover{ 
    transform: translateY(-3px); 
    -webkit-transform: translateY(-3px); 
    -moz-transform: translateY(-3px);
}

.status-bar .quiz-score{
    padding: 9px 11px;
    background: var(--darkModeBg);
    backdrop-filter: var(--bgBlurEffect);
    -webkit-backdrop-filter: var(--bgBlurEffect);
    border-radius: 15px;
}

.status-bar .theme-toggle{
    padding: 9px;
    backdrop-filter: var(--bgBlurEffect);
    -webkit-backdrop-filter: var(--bgBlurEffect);
    border-radius: 15px;
    background: var(--darkModeBg);
    cursor: pointer;
    transition: var(--transitionTiming);
    -webkit-transition: var(--transitionTiming);
    -moz-transition: var(--transitionTiming);
}
.theme-toggle:hover{ 
    transform: scale(110%); 
    -webkit-transform: scale(1.10); 
    -moz-transform: scale(1.10);
    background: rgba(255, 255, 255, 0.3); 
}

.theme-toggle .fa-moon{
    font-size: 20px;
}

/* Question Borad Stylling */
.question-board{
    height: 303px;
    display: flex;
    flex: 2;
    flex-direction: column;
    justify-content: space-evenly;
    gap: 7px;
    margin-top: 15px;
    padding: 9px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);    
}

.question-board .question{ 
    text-align: center; 
    font-size: 22px;
    font-family: 'Poppins', system-ui, sans-serif;
}

.question-options{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.question-options .option{
    width: 95%;
    text-align: center;
    padding: 10px;
    background: rgba(255, 255, 255, 0.2);
    font-size: 14px;
    cursor: pointer;
    border-radius: 9px;
    transition: var(--transitionTiming);
    -webkit-transition: var(--transitionTiming);
    -moz-transition: var(--transitionTiming);
}
.option:hover{
    background: rgba(255, 255, 255, 0.4);
    width: 100%;
}

.next-btn{
    display: none;
    margin-top: 9px;
    padding: 10px 25px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    background: -webkit-linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
}
.next-btn:hover{
    transform: translateY(-2px) scale(1.05);
    -webkit-transform: translateY(-2px) scale(1.05);
    -moz-transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(118, 75, 162, 0.7);
    background: linear-gradient(135deg, #8e2de2, #4a00e0);
    background: -webkit-linear-gradient(135deg, #8e2de2, #4a00e0);
}

/* Result Board */
.result-board{
    display: none;
    width: 350px;
    height: 180px;
    padding: 15px;
    margin-left: 10px;
    text-align: center;
    background: var(--darkModeBg);
    backdrop-filter: var(--bgBlurEffect);
    -webkit-backdrop-filter: var(--bgBlurEffect);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    animation: fadeIn 1s ease;
    -webkit-animation: fadeIn 1s ease;
}

.result-board h1 , .result-board h2{
    margin-bottom: 15px;
}

.restart-btn {
    padding: 10px 25px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #ff416c, #ff4b2b); 
    background: -webkit-linear-gradient(135deg, #ff416c, #ff4b2b);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: var(--transitionTiming);
    -webkit-transition: var(--transitionTiming); 
    -moz-transition: var(--transitionTiming);
}

.restart-btn:hover {
    transform: translateY(-2px) scale(1.05);
    -webkit-transform: translateY(-2px) scale(1.05);
    -moz-transform: translateY(-2px) scale(1.05);
    box-shadow: 0 0px 10px rgba(255,75,43,0.6);
    background: linear-gradient(135deg, #ff4b2b, #ff416c); 
}

.final-completed-msg{
    width: 400px;
    height: 200px;
}


/*  Light Mode */
body.light-mode {
    background: linear-gradient(150deg, #eaf1fc, #bbcbe4);
    background: -webkit-linear-gradient(150deg, #eaf1fc, #bbcbe4);
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
}

body.light-mode *{
    color: black;
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease; 
    -moz-transition: all 0.4s ease; 
}

body.light-mode .quiz-app-container {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease; 
    -moz-transition: all 0.4s ease; 
}

body.light-mode .status-bar,
body.light-mode .status-bar .quiz-score,
body.light-mode .status-bar .theme-toggle,
body.light-mode .question-board,
body.light-mode .question-options .option {
    background: rgba(255, 255, 255, 0.5);
    color: #222;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease; 
    -moz-transition: all 0.4s ease; 
}

body.light-mode .option:hover {
    background: rgba(255, 255, 255, 0.7);
}

body.light-mode .next-btn {
    background: linear-gradient(135deg, #56ccf2, #2f80ed);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease; 
    -moz-transition: all 0.4s ease; 
}

body.light-mode .next-btn:hover {
    background: linear-gradient(135deg, #2f80ed, #56ccf2);
    box-shadow: 0 6px 20px rgba(47,128,237,0.4);
}

.theme-toggle i {
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease; 
    -moz-transition: all 0.4s ease; 
}