* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', monospace;
    font-weight: 300;
    background: #fafafa;
    color: #333;
    padding: 2.5vh 2vw;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 3vh;
    position: relative;
    width: 100%;
}

.settings-button {
    position: absolute;
    left: 2vw;
    font-size: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px 10px;
    color:#bababa;
}

.settings-button:hover {
    background: #e0e0e0;
}

.settings-panel {
    position: absolute;
    top: 40px;
    left: 2vw;
    background: #fff;
    border: 1px solid #ccc;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 100;
    min-width: 200px;
}

.settings-panel label {
    display: block;
    font-size: 12px;
    margin-bottom: 10px;
    color: #666;
}

.settings-panel select {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    font-weight: 300;
    width: 100%;
    padding: 5px;
    border: 1px solid #ccc;
    background: #fff;
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.modal-overlay.active {
    display: block;
}

.speech-bubble {
    position: absolute;
    background: #fff;
    padding: 14px 18px 14px 18px;
    border-radius: 10px;
    max-width: 260px;
    text-align: left;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    border: 1px solid #4CAF50;
    pointer-events: auto;
}

.speech-bubble::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 18px;
    width: 10px;
    height: 10px;
    background: #fff;
    border-bottom: 1px solid #4CAF50;
    border-right: 1px solid #4CAF50;
    transform: rotate(45deg);
}

.speech-bubble h2 {
    font-size: 13px;
    font-weight: 400;
    margin-bottom: 8px;
    color: #4CAF50;
}

.speech-bubble p {
    font-size: 11px;
    line-height: 1.5;
    color: #555;
    margin-bottom: 12px;
}

.modal-close {
    font-family: 'Courier New', monospace;
    font-size: 10px;
    font-weight: 300;
    background: #4CAF50;
    color: #fff;
    border: none;
    padding: 5px 16px;
    border-radius: 3px;
    cursor: pointer;
    float: right;
}

.modal-close:hover {
    background: #45a049;
}

.year-nav {
    display: flex;
    gap: 20px;
    align-items: center;
    font-size: 20px;
    font-weight: 300;
    position: relative;
}

.year-nav button {
    font-family: 'Courier New', monospace;
    font-size: 20px;
    font-weight: 300;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px 10px;
}

.year-nav button:hover {
    background: #e0e0e0;
}

.year-display-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 32px;
}

#yearDisplay {
    cursor: pointer;
    padding: 5px 10px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

#yearDisplay:hover {
    background: #e0e0e0;
}

#yearInput {
    font-family: 'Courier New', monospace;
    font-size: 20px;
    font-weight: 300;
    width: 100%;
    text-align: center;
    border: 1px solid #ccc;
    background: #fff;
    padding: 5px 10px;
    -moz-appearance: textfield;
    appearance: textfield;
    box-sizing: border-box;
    height: 100%;
}

#yearInput::-webkit-outer-spin-button,
#yearInput::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.quarters-container {
    display: grid;
    gap: 3vw;
    justify-content: center;
    width: 100%;
}

.quarters-container.year-view {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 92vw;
    margin: 0 auto;
}

.quarters-container.quarter-view {
    grid-template-columns: 1fr;
    max-width: 32vw;
}

.quarter {
    display: flex;
    flex-direction: column;
    padding-left: 3vw;
    margin-left: -1.5vw;
}

.week-headers {
    display: flex;
    margin-bottom: 1.2vh;
    gap: 0.15vw;
}

.day-header {
    width: 2.4vw;
    text-align: center;
    font-size: 0.95vw;
    font-weight: 300;
    color: #999;
    line-height: 1.2;
}

.calendar {
    display: flex;
    flex-direction: column;
    gap: 0.2vh;
}

.week-row {
    display: flex;
    align-items: center;
    height: 2vh;
    position: relative;
}

.month-marker {
    width: 2.6vw;
    text-align: right;
    font-size: 0.9vw;
    font-weight: 300;
    color: #ec4444;
    position: absolute;
    left: -2.8vw;
    line-height: 1;
}

.leap-frog {
    display: inline-block;
    width: 1vw;
    height: 1vw;
    position: relative;
    opacity: 0;
    transition: opacity 0.2s;
}

.week-row.leap-week:hover .leap-frog {
    opacity: 1;
}

.leap-frog.active {
    opacity: 1 !important;
}

.leap-frog svg {
    width: 100%;
    height: 100%;
    fill: #4CAF50;
}

.leap-frog .tooltip {
    visibility: hidden;
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 5px 10px;
    border-radius: 4px;
    position: absolute;
    z-index: 1000;
    left: 50%;
    bottom: 120%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: 0.7vw;
    opacity: 0;
    transition: opacity 0.2s;
}

.leap-frog:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

.week-days {
    display: flex;
    gap: 0.15vw;
}

.day {
    width: 2.4vw;
    height: 2vh;
    text-align: center;
    font-size: 0.95vw;
    font-weight: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    line-height: 1;
}

.day.today::before {
    content: '';
    position: absolute;
    width: 1.8vw;
    height: 1.8vw;
    background: #333;
    border-radius: 50%;
    z-index: -1;
    top: 48%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.day.today {
    color: #fafafa;
}

.cycle-break {
    height: 1.2vh;
}

.reset-break {
    height: 2.4vh;
}

.quarters-container.quarter-view .quarter {
    padding-left: 4.5vw;
    margin-left: -2.25vw;
}

.quarters-container.quarter-view .week-headers {
    margin-bottom: 1.5vh;
    gap: 0.2vw;
}

.quarters-container.quarter-view .day-header {
    width: 3.6vw;
    font-size: 1.4vw;
}

.quarters-container.quarter-view .month-marker {
    width: 4vw;
    font-size: 1.3vw;
    left: -4.2vw;
}

.quarters-container.quarter-view .leap-frog {
    width: 1.5vw;
    height: 1.5vw;
}

.quarters-container.quarter-view .leap-frog .tooltip {
    font-size: 0.9vw;
    padding: 6px 12px;
}

.quarters-container.quarter-view .week-days {
    gap: 0.2vw;
}

.quarters-container.quarter-view .day {
    width: 3.6vw;
    height: 3vh;
    font-size: 1.35vw;
}

.quarters-container.quarter-view .day.today::before {
    width: 2.7vw;
    height: 2.7vw;
    top: 48%;
}

.quarters-container.quarter-view .week-row {
    height: 3vh;
}

.quarters-container.quarter-view .calendar {
    gap: 0.3vh;
}

.quarters-container.quarter-view .cycle-break {
    height: 1.5vh;
}

.quarters-container.quarter-view .reset-break {
    height: 3vh;
}