:root {
    --primary-color: #007bff; 
    --primary-color-hover: #0056b3;
    --primary-rgb: 0, 123, 255;

    --secondary-color: #6c757d; 
    --secondary-color-hover: #5a6268;

    --card-bg-color: #ffffff;
    --input-bg-color: #ffffff;
    --border-color: #ced4da;
    --text-color-dark: #343a40;
    --text-color-light: #6c757d;
    --border-radius: 8px;
    --border-radius-small: 4px;
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.05);

   
    --clock-face-bg: #f0f0f0;
    --clock-border-color: var(--primary-color);
    --hand-color-hour: #333;
    --hand-color-minute: #555;
    --hand-color-second: #dc3545; 
    --center-dot-color: var(--primary-color);
    --number-color: #333;
    --date-day-color: #666;
    --label-color: var(--text-color-dark);
}


*, *::before, *::after {
    box-sizing: border-box;
}


.clocks-visual {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
    margin-bottom: 30px;
}

.clock-widget {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    padding: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    width: 280px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.clock-widget h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.2em;
    color: var(--text-color-light);
    line-height: 1.2;
}

.clock-face-container {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 0 auto;
    border-radius: 50%;
    background-color: var(--clock-face-bg);
    border: 5px solid var(--clock-border-color);
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
    flex-grow: 1;
}

.clock-face {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.center-dot {
    width: 15px;
    height: 15px;
    background-color: var(--center-dot-color);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    border: 2px solid white;
}


.hour-hand, .minute-hand, .second-hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: 50% 100%; 
    border-radius: 5px;
    background-color: black; 
}

.hour-hand {
    --hand-width: 6px;
    width: var(--hand-width);
    height: 60px;
    margin-left: calc(-1 * var(--hand-width) / 2);
    background-color: var(--hand-color-hour);
    z-index: 5;
}

.minute-hand {
    --hand-width: 4px;
    width: var(--hand-width);
    height: 90px;
    margin-left: calc(-1 * var(--hand-width) / 2);
    background-color: var(--hand-color-minute);
    z-index: 6;
}

.second-hand {
    --hand-width: 2px;
    width: var(--hand-width);
    height: 100px;
    margin-left: calc(-1 * var(--hand-width) / 2);
    background-color: var(--hand-color-second);
    z-index: 7;
}


.hour-number {
    position: absolute;
    width: 100%;
    height: 100%;
    font-size: 1.1em;
    font-weight: bold;
    color: var(--number-color);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    pointer-events: none;
}


.hour-number.hour-1 { transform: rotate(30deg); }
.hour-number.hour-2 { transform: rotate(60deg); }
.hour-number.hour-3 { transform: rotate(90deg); }
.hour-number.hour-4 { transform: rotate(120deg); }
.hour-number.hour-5 { transform: rotate(150deg); }
.hour-number.hour-6 { transform: rotate(180deg); }
.hour-number.hour-7 { transform: rotate(210deg); }
.hour-number.hour-8 { transform: rotate(240deg); }
.hour-number.hour-9 { transform: rotate(270deg); }
.hour-number.hour-10 { transform: rotate(300deg); }
.hour-number.hour-11 { transform: rotate(330deg); }
.hour-number.hour-12 { transform: rotate(0deg); }


.hour-number span {
    display: block;
    width: 25px;
    text-align: center;
    position: relative;
    top: 10px; 
    color: var(--number-color);
    transform: rotate(var(--counter-rotate-deg, 0deg));
}


.hour-number.hour-1 span { --counter-rotate-deg: -30deg; }
.hour-number.hour-2 span { --counter-rotate-deg: -60deg; }
.hour-number.hour-3 span { --counter-rotate-deg: -90deg; }
.hour-number.hour-4 span { --counter-rotate-deg: -120deg; }
.hour-number.hour-5 span { --counter-rotate-deg: -150deg; }
.hour-number.hour-6 span { --counter-rotate-deg: -180deg; }
.hour-number.hour-7 span { --counter-rotate-deg: -210deg; }
.hour-number.hour-8 span { --counter-rotate-deg: -240deg; }
.hour-number.hour-9 span { --counter-rotate-deg: -270deg; }
.hour-number.hour-10 span { --counter-rotate-deg: -300deg; }
.hour-number.hour-11 span { --counter-rotate-deg: -330deg; }
.hour-number.hour-12 span { --counter-rotate-deg: 0deg; }



.date, .day, .clock-label {
    position: absolute;
    font-weight: bold;
    text-align: center;
    width: 100%;
    z-index: 8;
    
}
.clock-label {
    top: 20%;
    font-size: 0.85em;
    color: var(--label-color);
}
.date {
    top: 60%;
    font-size: 0.8em;
    color: var(--date-day-color);
    
}
.day {
    top: 68%;
    font-size: 0.8em;
    color: var(--date-day-color);
}







.input-section-container {
    display: flex;
    flex-wrap: wrap; 
    gap: 15px; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 20px;
}

.minutes-input-group,
.start-time-wrapper {
    flex: 1; 
    min-width: 250px; 
}

.minutes-input-group {
    
}

#minutesInput {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1.2em;
    font-weight: bold;
    text-align: center;
    background-color: var(--input-bg-color);
    color: var(--text-color-dark);
    -moz-appearance: textfield;
}
#minutesInput::-webkit-outer-spin-button,
#minutesInput::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
#minutesInput:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}



.start-time-inputs-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--input-bg-color);
    transition: all 0.3s ease;
    cursor: pointer;
    flex-wrap: wrap; 
    width: 100%; 
}

.start-time-inputs-group.editing {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.3);
}

.time-display-large {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--text-color-dark);
    user-select: none;
    white-space: nowrap;
   
}

.time-input-fields {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-grow: 1; 
    justify-content: center; 
}

.time-input-fields.hidden {
    display: none;
}

.time-input {
    width: 50px;
    padding: 8px 5px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-small);
    text-align: center;
    font-size: 1.2em;
    font-weight: bold;
    background-color: var(--input-bg-color);
    color: var(--text-color-dark);
    -moz-appearance: textfield;
}
.time-input::-webkit-outer-spin-button,
.time-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.time-input[readonly] {
    background-color: #e9ecef;
    cursor: default;
    border-color: #ced4da;
    opacity: 0.8;
}

.time-input-fields span {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--text-color-light);
}


.set-live-time-btn {
    padding: 8px 15px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    font-size: 0.9em;
    margin-left: 10px; 
    transition: background-color 0.3s ease, transform 0.1s ease;
    white-space: nowrap; 
}

.set-live-time-btn:hover {
    background-color: var(--secondary-color-hover);
    transform: translateY(-1px);
}

.set-live-time-btn:focus-visible {
    outline: 2px solid var(--secondary-color-hover);
    outline-offset: 2px;
}



.calculate-btn {
    width: 100%; 
    padding: 15px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
}

.calculate-btn:hover {
    background-color: var(--primary-color-hover);
    transform: translateY(-2px);
}

.calculate-btn:focus-visible {
    outline: 2px solid var(--primary-color-hover);
    outline-offset: 2px;
}


.hidden {
    display: none !important;
}


@media (max-width: 768px) {
    .clocks-visual {
        flex-direction: column;
        align-items: center;
    }
    .clock-widget {
        width: 100%;
        max-width: 320px;
    }

   
    .input-section-container {
        flex-direction: column; 
    }

    
    .start-time-inputs-group {
        flex-direction: column;
        gap: 10px;
        padding: 15px;
    }
    .time-input-fields {
        flex-wrap: wrap;
        justify-content: center;
    }
    .time-input {
        width: 60px;
    }
    .set-live-time-btn {
        margin-left: 0; 
        margin-top: 0; 
        width: calc(100% - 20px);
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .clock-face-container {
        width: 200px;
        height: 200px;
        border-width: 3px;
    }
    .hour-hand { height: 45px; --hand-width: 5px; }
    .minute-hand { height: 70px; --hand-width: 3px; }
    .second-hand { height: 80px; --hand-width: 1.5px; }
    .center-dot { width: 12px; height: 12px; }
    .hour-number { font-size: 1em; }
    .hour-number span { top: 7px; width: 20px; }
    .clock-label, .date, .day { font-size: 0.7em; }
    .clock-label { top: 18%; }
    .date { top: 58%; }
    .day { top: 65%; }

    .time-display-large {
        font-size: 1.5em;
    }
    .time-input {
        font-size: 1em;
        width: 45px;
        padding: 6px 3px;
    }
    .calculate-btn {
        font-size: 1.1em;
        padding: 12px 15px;
    }
}