:root {
    /* Colours - light mode */
    --background-primary: #f5f5f5;
    --background-ring-color: #dcdbe0;
    --background-secondary: white;
    --border-color: #e5e5e5;
    --error-color: #982600;
    --handle-grab-color: #e6e5eb;
    --handle-icon-color: #aeadb1;
    --primary-color: #614088;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --sleep-color: #63e6e2;
    --text-primary: black;
    --text-secondary: #666666;
    --tick-color: #dddddd;
    --tick-hour-color: #999999;
    --tick-stroke-color: #f3f2f9;
    --track-color: #f0f0f0;
    --wake-color: #ffc800;
    --warning-color: #ff8f00;
    --warning-tick-color: #f18000;

    /* Spacing */
    --spacing-xs: calc(var(--base-unit) * 0.3125);
    --spacing-sm: calc(var(--base-unit) * 0.5);
    --spacing-md: calc(var(--base-unit) * 1.25);
    --spacing-lg: calc(var(--base-unit) * 1.875);

    /* Sizes */
    --base-unit: 18px;
    /* Layout sizes */
    --base-size: calc(var(--base-unit) * 25);
    --container-width: var(--base-size);
    --clock-size: calc(var(--base-size) * 0.75);

    /* Font sizes */
    --font-size-xs: calc(var(--base-unit) * 0.725);
    --font-size-sm: calc(var(--base-unit) * 0.8125);
    --font-size-md: calc(var(--base-unit) * 0.875);
    --font-size-lg: calc(var(--base-unit) * 1.5);
    --font-size-xl: calc(var(--base-unit) * 2.125);
    --container-width: var(--base-size);
    --clock-size: calc(var(--base-size) * 0.65);
    --handle-size: calc(var(--base-size) * 0.088);
    --inner-offset: calc(var(--base-size) * 0.15);

    /* Border radius */
    --radius-lg: 20px;
    --radius-full: 50%;

    --sans-serif: ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;

    scrollbar-color: var(--primary-color) transparent;
    accent-color: var(--primary-color);
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-primary: #1c1c1e;
        --background-ring-color: black;
        --background-secondary: #2c2c2e;
        --border-color: #3a3a3c;
        --primary-color: #8863b6;
        --handle-grab-color: #1c1c1e;
        --handle-icon-color: #8f8e94;
        --shadow-color: rgba(0, 0, 0, 0.3);
        --text-primary: white;
        --text-secondary: #98989f;
        --tick-color: #48484a;
        --tick-hour-color: #666668;
        --tick-opacity: 0.2;
        --tick-stroke-color: #1c1c1e;
        --track-color: #3a3a3c;
        --wake-color: #ffd400;
    }
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    background: var(--background-primary);
    min-height: 100vh;
    color: var(--text-primary);
    font-family: var(--sans-serif);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.no-js {
    display: none;
}

.sleep-fixer {
    display: flex;
    flex-direction: column;
    align-self: flex-start;
    margin: 0 auto;
    padding: calc(var(--base-unit) * 2);
    max-width: calc(var(--base-unit) * 60);
    height: fit-content;
}

.intro {
    margin-bottom: calc(var(--base-unit) * 2);
    text-align: center;
}

.intro h1 {
    margin-bottom: calc(var(--base-unit));
    color: var(--primary-color);
    font-size: var(--font-size-xl);
}

.intro p {
    color: var(--text-secondary);
    font-size: var(--font-size-md);
}

/* Wizard navigation */
.wizard {
    margin: 0 auto calc(var(--base-unit) * 4);
    width: 100%;
    max-width: calc(var(--base-unit) * 45);
}

.wizard-list {
    display: flex;
    position: relative;
    justify-content: space-between;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}

.progress-bar {
    position: absolute;
    top: calc(var(--base-unit));
    left: 0;
    z-index: -1;
    width: 100%;
    height: 2px;
}

.progress-bar-bg {
    position: absolute;
    opacity: 0.5;
    background-color: var(--border-color);
    width: 100%;
    height: 100%;
}

.progress-bar-fill {
    position: absolute;
    transition: width 0.3s ease;
    background-color: var(--primary-color);
    height: 100%;
}

.wizard-step {
    display: flex;
    position: relative;
    flex-direction: column;
    align-items: center;
}

.wizard-error-message {
    position: fixed;
    top: calc(var(--base-unit) * 5);
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    z-index: 1000;
    transition: opacity 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-lg);
    background-color: var(--error-color);
    padding: calc(var(--base-unit)) calc(var(--base-unit) * 2);
    color: white;
    font-size: var(--font-size-sm);
    text-align: center;
}

.wizard-error-message.show {
    opacity: 1;
}

.step-button {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
    cursor: pointer;
    border-radius: 50%;
    background: var(--border-color);
    aspect-ratio: 1/1;
    width: calc(var(--base-unit) * 2);
    height: calc(var(--base-unit) * 2);
    color: var(--text-secondary);
    font-weight: 800;
    font-size: var(--font-size-sm);

    .step-label {
        position: absolute;
        bottom: calc(var(--base-unit) * -1.5);
        transition: color 0.2s ease;
        margin-top: var(--spacing-xs);
        color: var(--text-secondary);
        font-weight: 500;
        font-size: var(--font-size-xs);
        white-space: nowrap;
    }
}

.step-button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--border-color);
    color: var(--text-secondary);
}

.step-button.disabled:hover {
    box-shadow: none;
}

.step-button.disabled+.step-label {
    color: var(--text-secondary);
}

.step-button.completed {
    background: var(--primary-color);
    color: white;
}

.step-button.current {
    box-shadow: 0 0 0 calc(var(--base-size) * 0.01) rgba(97, 64, 136, 0.2);
    background: var(--text-primary);
    color: white;

    .step-label {
        color: var(--text-primary);
    }
}

.step-button:not(:disabled):hover {
    box-shadow: 0 4px 12px rgba(97, 64, 136, 0.2);
}

.step-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.step-button.completed+.step-label,
.step-button.current+.step-label {
    color: var(--text-primary);
}

.step-button:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(97, 64, 136, 0.4);
}

/* Steps */
.step {
    display: none;
    margin-bottom: calc(var(--base-unit) * 2.5);
}

.step-header {
    display: flex;
    align-items: center;
    gap: calc(var(--base-unit));
    margin-bottom: calc(var(--base-unit) * 1.5);
}

.step-number {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: var(--primary-color);
    aspect-ratio: 1;
    width: calc(var(--base-unit) * 2);
    height: calc(var(--base-unit) * 2);
    color: white;
    font-weight: bold;
    font-size: var(--font-size-md);
}

.step-header h2 {
    margin: 0;
    font-size: var(--font-size-lg);
}

.helper-text {
    margin: 0 auto;
    padding-bottom: calc(var(--base-unit) * 1.2);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-align: center;
}

#scheduleTip {
    margin: 0;
    padding-bottom: 0;
}

.help-wrapper {
    display: flex;
    position: relative;
    justify-content: center;
    gap: var(--spacing-xs);
}

.calendar-download {
    right: calc(var(--base-unit) * -0.8);
    /* Make it look centred even with the help icon */
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.clock-shift-icon {
    color: var(--warning-color);
    --svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23000' fill-rule='evenodd' d='M1.5 8a6.5 6.5 0 1 1 7.348 6.445a.75.75 0 1 1-.194-1.487A5.001 5.001 0 1 0 4.5 11.57v-1.32a.75.75 0 0 1 1.5 0v3a.75.75 0 0 1-.75.75h-3a.75.75 0 0 1 0-1.5h1.06A6.48 6.48 0 0 1 1.5 8M8 4.25a.75.75 0 0 1 .75.75v2.625l1.033.775a.75.75 0 1 1-.9 1.2l-1.333-1a.75.75 0 0 1-.3-.6V5A.75.75 0 0 1 8 4.25' clip-rule='evenodd'/%3E%3C/svg%3E");
}

.help-icon {
    vertical-align: calc(var(--base-unit) * -0.05);
    width: var(--base-unit) !important;
    height: var(--base-unit) !important;
    color: var(--text-secondary);
    --svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='currentColor' d='M12 2c5.523 0 10 4.477 10 10s-4.477 10-10 10S2 17.523 2 12S6.477 2 12 2m0 14a1 1 0 1 0 0 2a1 1 0 0 0 0-2m0-9.5a3.625 3.625 0 0 0-3.625 3.625a1 1 0 1 0 2 0a1.625 1.625 0 1 1 2.23 1.51c-.676.27-1.605.962-1.605 2.115V14a1 1 0 1 0 2 0c0-.244.05-.366.261-.47l.087-.04A3.626 3.626 0 0 0 12 6.5'/%3E%3C/svg%3E");
}

.help-icon:hover,
.help-icon:focus {
    opacity: 1;
}

.info-popup {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    visibility: hidden;
    opacity: 0;
    z-index: 1;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    box-shadow: 0 4px 24px var(--shadow-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--background-secondary);
    padding: var(--spacing-md);
    width: max-content;
    max-width: 90%;
    color: var(--text-secondary);
    font-weight: normal;
    font-size: var(--font-size-sm);
    text-align: center;
}

.icon:hover+.info-popup,
.icon:focus+.info-popup {
    visibility: visible;
    opacity: 1;
}

.outer-container {
    position: relative;
    margin: 0 auto;
    width: var(--container-width);
    max-width: 100%;
    height: var(--container-width);
}

.container {
    box-shadow: 0 4px 24px var(--shadow-color);
    border-radius: var(--radius-lg);
    background: var(--background-secondary);
    padding: 2rem;
    width: var(--container-width);
    max-width: 100%;
    overflow: hidden;
}

h1 {
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.background-ring {
    color: var(--background-ring-color);
}

.time-display {
    display: flex;
    justify-content: center;
    gap: calc(var(--base-unit) * 4);
    margin-bottom: var(--spacing-sm);
    padding: 0 var(--spacing-md)
}

.time-section {
    text-align: center;
}

.time-label {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    min-width: 150px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.icon {
    display: inline-block;
    background-color: currentColor;
    width: calc(var(--base-unit) * 1.25);
    height: calc(var(--base-unit) * 1.25);
    -webkit-mask-image: var(--svg);
    mask-image: var(--svg);
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-size: 100% 100%;
    mask-size: 100% 100%;
}

.icon.horizontal-flip {
    transform: scaleX(-1);
}

.bed-icon {
    color: var(--sleep-color);
    --svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M19.25 11a2.75 2.75 0 0 1 2.745 2.582l.005.168v6.5a.75.75 0 0 1-1.493.102l-.007-.102V18h-17v2.25a.75.75 0 0 1-.648.743L2.75 21a.75.75 0 0 1-.743-.648L2 20.25v-6.5a2.75 2.75 0 0 1 2.582-2.745L4.75 11zM6.75 4h10.5a2.75 2.75 0 0 1 2.745 2.582L20 6.75V10h-3l-.007-.117a1 1 0 0 0-.876-.876L16 9h-2a1 1 0 0 0-.993.883L13 10h-2l-.007-.117a1 1 0 0 0-.876-.876L10 9H8a1 1 0 0 0-.993.883L7 10H4V6.75a2.75 2.75 0 0 1 2.582-2.745z'/%3E%3C/svg%3E");

}

.alarm-icon {
    color: var(--sleep-color);
    --svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath fill='%23000' d='M153.59 110.46A21.41 21.41 0 0 0 152.48 79A62.67 62.67 0 0 0 112 64l-3.27.09h-.48C74.4 66.15 48 95.55 48.07 131c0 19 8 29.06 14.32 37.11a20.6 20.6 0 0 0 14.7 7.8c.26 0 .7.05 2 .05a19.06 19.06 0 0 0 13.75-5.89Zm250.2-46.35l-3.27-.1H400a62.67 62.67 0 0 0-40.52 15a21.41 21.41 0 0 0-1.11 31.44l60.77 59.65a19.06 19.06 0 0 0 13.79 5.9c1.28 0 1.72 0 2-.05a20.6 20.6 0 0 0 14.69-7.8c6.36-8.05 14.28-18.08 14.32-37.11c.06-35.49-26.34-64.89-60.15-66.93'/%3E%3Cpath fill='%23000' d='M256.07 96c-97 0-176 78.95-176 176a175.23 175.23 0 0 0 40.81 112.56l-36.12 36.13a16 16 0 1 0 22.63 22.62l36.12-36.12a175.63 175.63 0 0 0 225.12 0l36.13 36.12a16 16 0 1 0 22.63-22.62l-36.13-36.13A175.17 175.17 0 0 0 432.07 272c0-97-78.95-176-176-176m16 176a16 16 0 0 1-16 16h-80a16 16 0 0 1 0-32h64v-96a16 16 0 0 1 32 0Z'/%3E%3C/svg%3E");
}

.warning-icon {
    vertical-align: calc(var(--base-unit) * -0.05);
    width: calc(var(--base-unit) * 0.8);
    height: calc(var(--base-unit) * 0.8);
    color: var(--warning-color);
    --svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath fill='%23000' d='M16 2C8.3 2 2 8.3 2 16s6.3 14 14 14s14-6.3 14-14S23.7 2 16 2m-1.1 6h2.2v11h-2.2zM16 25c-.8 0-1.5-.7-1.5-1.5S15.2 22 16 22s1.5.7 1.5 1.5S16.8 25 16 25'/%3E%3C/svg%3E");
}

input[type="time"].time-value {
    appearance: none;
    border: none;
    background: none;
    padding: 0;
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-lg);
    font-family: var(--sans-serif);
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

.clock-container {
    touch-action: pinch-zoom;
    -webkit-overflow-scrolling: none;
    position: absolute;
    top: calc((var(--base-size) - var(--clock-size)) / 2);
    left: calc((var(--base-size) - var(--clock-size)) / 2);
    width: var(--clock-size);
    max-width: 100%;
    height: var(--clock-size);
    overflow: hidden;
}

.clock-face {
    position: absolute;
    top: 0;
    left: 0;
    border-radius: var(--radius-full);
    background: var(--background-secondary);
    width: var(--clock-size);
    height: var(--clock-size);
    user-select: none;
}

.number {
    position: absolute;
    width: 100%;
    height: 100%;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--font-size-md);
    text-align: center;
}

.number.primary {
    color: var(--text-primary);
}

.tick {
    position: absolute;
    top: 0;
    left: calc(var(--clock-size) * 0.498);
    transform-origin: 50% calc(var(--clock-size) * 0.5);
    background: var(--tick-color);
    width: calc(var(--base-unit) * 0.0625);
    height: calc(var(--base-unit) * 0.3);
}

.tick.hour {
    left: calc(var(--clock-size) * 0.498);
    background: var(--tick-color);
    width: calc(var(--base-unit) * 0.1);
    height: calc(var(--base-unit) * 0.5);
}

.track {
    position: absolute;
    border-radius: var(--radius-full);
    background: var(--track-color);
    width: var(--clock-size);
    height: var(--clock-size);
}

.track-inner {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    z-index: 1;
    box-shadow: inset 0 0 10px var(--shadow-color);
    border-radius: var(--radius-full);
    background: var(--background-secondary);
    width: calc(var(--clock-size) - var(--inner-offset));
    height: calc(var(--clock-size) - var(--inner-offset));
}

.arc-layer {
    position: absolute;
    isolation: isolate;
}

.sleep-arc {
    position: absolute;
    z-index: 1;
    border-radius: var(--radius-full);
    background: transparent;
    fill: var(--background-secondary);
    box-shadow: rgba(17, 17, 26, 0.05) 0px 1px 0px, rgba(17, 17, 26, 0.1) 0px 0px 8px;
    width: 100%;
    height: 100%;
}

.handle {
    display: flex;
    position: absolute;
    justify-content: center;
    align-items: center;
    transform: translate(-50%, -50%);
    cursor: grab;
    border-radius: var(--radius-full);
    background: var(--background-secondary);
    width: var(--handle-size);
    height: var(--handle-size);

    /* Increase hit area of handles */
    &::before {
        position: absolute;
        top: -4px;
        right: -4px;
        bottom: -4px;
        left: -4px;
        border-radius: 50%;
        content: '';
    }
}

.handle .icon {
    background: var(--handle-icon-color);
}

.warning .handle .icon {
    background: var(--error-color);
}

.handle.dragging {
    background: var(--handle-grab-color);
}

.warning .sleep-arc {
    fill: var(--warning-color);
}

.warning .handle {
    background: var(--warning-color);
}

.warning .handle.dragging {
    background: var(--warning-tick-color);
}

.time-icon {
    font-size: var(--font-size-lg);
}

.symbol {
    position: absolute;
    font-size: var(--font-size-md);
}

.stars-icon {
    color: var(--sleep-color);
    --svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23000' d='M7.657 6.247c.11-.33.576-.33.686 0l.645 1.937a2.89 2.89 0 0 0 1.829 1.828l1.936.645c.33.11.33.576 0 .686l-1.937.645a2.89 2.89 0 0 0-1.828 1.829l-.645 1.936a.361.361 0 0 1-.686 0l-.645-1.937a2.89 2.89 0 0 0-1.828-1.828l-1.937-.645a.361.361 0 0 1 0-.686l1.937-.645a2.89 2.89 0 0 0 1.828-1.828zM3.794 1.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387A1.73 1.73 0 0 0 4.593 5.69l-.387 1.162a.217.217 0 0 1-.412 0L3.407 5.69A1.73 1.73 0 0 0 2.31 4.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387A1.73 1.73 0 0 0 3.407 2.31zM10.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.16 1.16 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.16 1.16 0 0 0-.732-.732L9.1 2.137a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732z'/%3E%3C/svg%3E");
}

.symbol.stars {
    display: flex;
    position: absolute;
    top: 19%;
    left: 50%;
    justify-content: center;
    align-items: center;
    transform: translate(-50%, -50%);
}

.sun-icon {
    color: var(--wake-color);
    --svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M12 2.25a.75.75 0 0 1 .75.75v2a.75.75 0 1 1-1.5 0V3a.75.75 0 0 1 .75-.75m0 16.004a.75.75 0 0 1 .75.75v2a.75.75 0 1 1-1.5 0v-2a.75.75 0 0 1 .75-.75M2.25 12a.75.75 0 0 1 .75-.75h2a.75.75 0 0 1 0 1.5H3a.75.75 0 0 1-.75-.75m16 0a.75.75 0 0 1 .75-.75h2a.75.75 0 1 1 0 1.5h-2a.75.75 0 0 1-.75-.75m1.28-7.53a.75.75 0 0 1 0 1.06l-2 2a.75.75 0 1 1-1.06-1.06l2-2a.75.75 0 0 1 1.06 0m-15.06 0a.75.75 0 0 1 1.06 0l2 2a.75.75 0 0 1-1.06 1.06l-2-2a.75.75 0 0 1 0-1.06m3.06 12a.75.75 0 0 1 0 1.06l-2 2a.75.75 0 0 1-1.06-1.06l2-2a.75.75 0 0 1 1.06 0m8.94 0a.75.75 0 0 1 1.06 0l2 2a.75.75 0 1 1-1.06 1.06l-2-2a.75.75 0 0 1 0-1.06M12 7.25a4.75 4.75 0 1 0 0 9.5a4.75 4.75 0 0 0 0-9.5'/%3E%3C/svg%3E");
    width: calc(var(--base-unit) * 1.5);
    height: calc(var(--base-unit) * 1.5);
}

.symbol.sun {
    display: flex;
    position: absolute;
    top: 81%;
    left: 50%;
    justify-content: center;
    align-items: center;
    transform: translate(-50%, -50%);
}

.sleep-info {
    margin-top: var(--spacing-md);
    text-align: center;
}

.total-sleep {
    margin-bottom: 8px;
    font-weight: 500;
    font-size: var(--font-size-lg);
}

.goal-status {
    padding-bottom: var(--spacing-md);
    height: 20px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.sleep-goal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    align-items: center;
    gap: calc(var(--base-unit) * 0.9);
    font-size: var(--font-size-md);
}

.goal-inputs {
    display: flex;
    gap: calc(var(--base-unit));
}

.input-group {
    display: flex;
    align-items: center;
    gap: 5px;
}

.time-input {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--background-secondary);
    padding: 5px;
    width: 50px;
    color: var(--text-primary);
    font-size: var(--font-size-md);
    text-align: center;
}

.arc-ticks {
    fill: none;
    stroke: var(--tick-stroke-color);
    stroke-width: calc(var(--base-unit) * 0.2);
    pointer-events: none;
    stroke-linecap: round;
}

.warning .arc-ticks {
    stroke: var(--warning-tick-color);
    opacity: 1;
}

.step-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    border-radius: var(--radius-lg);
    background-color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: white;
    font-weight: 500;
    font-size: var(--font-size-md);
}

.next-button {
    margin-left: auto;
    background: var(--primary-color);
    color: white;
}

.next-button:hover {
    opacity: 0.9;
}

.prev-button {
    background: transparent;
    color: var(--primary-color);
}

.prev-button:hover {
    background: var(--background-primary);
}

@media (prefers-color-scheme: dark) {
    .prev-button {
        border: 1px solid var(--primary-color);
        color: white;
    }
}

.button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(97, 64, 136, 0.2);
}

.step-navigation:has(.next-button:only-child) {
    justify-content: flex-end;
}

/* Results section */
.results {
    display: none;

    .step-icon {
        width: calc(var(--base-unit) * 2);
        font-size: var(--font-size-lg);
        text-align: center;
    }
}

.export-plan {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: none;
    border-radius: calc(var(--base-unit) * 0.5);
    background: var(--primary-color);
    padding: calc(var(--base-unit) * 0.75) calc(var(--base-unit) * 1.5);
    color: white;
    font-size: var(--font-size-md);
}

.export-plan:hover {
    opacity: 0.9;
}

@media (max-width: 1024px) {
    .step-content {
        margin-top: calc(var(--base-unit));
        padding-left: 0;
    }

    .wizard {
        width: 88%;
    }
}

/* Date picker */
.date-picker-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.date-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
}

.date-input-wrapper label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

input[type="date"] {
    display: block;
    appearance: none;
    margin: 0 auto;
    outline: none;
    padding: var(--spacing-md);
    width: 200px;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    background-color: var(--background-primary);
    color: var(--text-primary);
    font-size: var(--font-size-md);
    font-family: inherit;
    text-align: center;
}

input[type="date"]::-webkit-datetime-edit {
    display: inline-flex;
    justify-content: center;
    width: 100%;
}

.target-date .warning-icon {
    vertical-align: calc(var(--base-unit) * -0.13);
}

.target-date.warning input[type="date"]#targetDate {
    border-color: var(--warning-color);
}

.target-date.warning .help-icon {
    color: var(--warning-color);
}

.date-feedback {
    position: absolute;
    top: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    box-shadow: 0 2px 8px var(--shadow-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background-color: var(--background-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--warning-color);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.date-feedback.show {
    opacity: 1;
}

.sr-only {
    position: absolute;
    margin: -1px;
    padding: 0;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
    white-space: nowrap;
}

.date-input-wrapper {
    display: flex;
    position: relative;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
}

@media (max-width: 1000px) {
    :root {
        --base-unit: 33px;
    }

    .container {
        padding: var(--spacing-md);
    }

    .sleep-fixer {
        padding: 0;
    }

    .intro {
        margin-top: calc(var(--base-unit) * 2);
    }

    #github-corner:hover .octo-arm {
        animation: none;
    }

    #github-corner .octo-arm {
        animation: octocat-wave 560ms ease-in-out;
    }
}

.results {
    .schedule-section {
        padding: var(--spacing-sm);
    }

    .schedule-card {
        position: relative;
        opacity: 0.65;
        transition: opacity 0.3s ease;
        margin-bottom: var(--spacing-md);
        border-radius: var(--radius-lg);
        background: var(--background-primary);
        padding: var(--spacing-md);
        text-align: center;

        .total-sleep {
            margin-top: var(--spacing-sm);
            margin-bottom: 0;
            padding-bottom: 0;
            color: var(--text-secondary);
            font-size: var(--font-size-sm);
        }
    }

    .schedule-card:hover {
        opacity: 1;
    }

    .schedule-card.highlight {
        opacity: 1;
        box-shadow: rgba(0, 0, 0, 0.25) 0px 25px 20px -20px;
        border: 3px solid var(--primary-color);
    }

    .schedule-card.dst-change {
        opacity: 1;
        border: 3px solid var(--warning-color);
    }

    .dst-change .date {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .timezone-indicator {
        position: absolute;
        top: 0;
        right: 0;
        border-top-right-radius: inherit;
        border-bottom-left-radius: 10px;
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 3ch;
        overflow: hidden;
        color: black;
        font-weight: 300;
        font-size: var(--font-size-xs);
    }

    .standard-time .timezone-indicator {
        opacity: 0.8;
        background: var(--sleep-color);
    }

    .dst .timezone-indicator {
        background: var(--wake-color);
    }

    .spring-forward .timezone-indicator {
        background: linear-gradient(to right,
                var(--sleep-color) 0%,
                var(--sleep-color) 50%,
                var(--wake-color) 50%,
                var(--wake-color) 100%);
    }

    .fall-back .timezone-indicator {
        background: linear-gradient(to right,
                var(--wake-color) 0%,
                var(--wake-color) 50%,
                var(--sleep-color) 50%,
                var(--sleep-color) 100%);
    }

    .timezone-indicator:hover+.info-popup,
    .timezone-indicator:focus+.info-popup {
        visibility: visible;
        opacity: 1;
    }

    .bed-time,
    .wake-time {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        font-weight: 500;
        font-size: var(--font-size-lg);
    }

    .bed-time .icon {
        color: var(--sleep-color);
    }

    .wake-time .icon {
        color: var(--wake-color);
    }

    .date {
        padding-bottom: var(--spacing-xs);
        font-size: var(--font-size-sm);
    }

    .schedule-card.highlight .date {
        font-weight: 600;
        font-size: var(--font-size-md);
    }

    #upcomingSchedule .schedule-card:not(:last-child) {
        margin-bottom: var(--spacing-md);
    }

}

/* Footer */
.app-footer {
    margin-top: auto;
    padding: var(--spacing-md) 0;
    width: 100%;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.footer-content {
    display: flex;
    justify-content: center;
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
    margin: 0;
}

.footer-link {
    transition: opacity 0.2s ease;
    color: color-mix(in srgb, var(--primary-color) 80%, white);
    text-decoration: none;
}

.footer-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 2px;
}

.separator {
    opacity: 0.5;
    color: var(--text-secondary);
    user-select: none;
}

@media print {
    :root {
        --base-unit: 20px;
    }

    body {
        background: white;
    }

    .schedule-card {
        opacity: 1;
    }

    .intro,
    .wizard,
    .step-navigation,
    .js-warning,
    .calendar-download {
        display: none !important;
    }

    .container {
        box-shadow: none;
        padding: 0;
    }

    .step:not(.results) {
        display: none !important;
    }

    .results {
        display: block !important;
    }

    .schedule-card {
        page-break-inside: avoid;
        margin-bottom: 1rem;
        border: 1px solid #ddd;
    }

    .schedule-section {
        break-inside: avoid;
    }

    :root {
        --background-primary: white;
        --background-secondary: white;
        --text-primary: black;
        --text-secondary: #333;
        --border-color: #ddd;
        --shadow-color: transparent;
    }
}

@media (prefers-reduced-motion: reduce) {
    .step-button,
    .progress-bar-fill,
    .wizard-error-message,
    .info-popup,
    .date-feedback,
    .button,
    .footer-link {
        transition: none;
    }
}