/* general */
html {
    scroll-behavior: smooth;
    font-size: 100%;
}
:root {
    --font:
        Inter, Roboto, "Helvetica Neue", "Arial Nova", "Nimbus Sans",
        "Noto Sans", Arial, sans-serif;
    --font-icon: "Material Symbols Outlined";
}
:root,
body.light {
    --primary: #006a60;
    --on-primary: #ffffff;
    --primary-container: #74f8e5;
    --on-primary-container: #00201c;
    --secondary: #4a635f;
    --on-secondary: #ffffff;
    --secondary-container: #cce8e2;
    --on-secondary-container: #05201c;
    --tertiary: #456179;
    --on-tertiary: #ffffff;
    --tertiary-container: #cce5ff;
    --on-tertiary-container: #001e31;
    --error: #ba1a1a;
    --on-error: #ffffff;
    --error-container: #ffdad6;
    --on-error-container: #410002;
    --background: #fafdfb;
    --on-background: #191c1b;
    --surface: #f7faf8;
    --on-surface: #191c1b;
    --surface-variant: #dae5e1;
    --on-surface-variant: #3f4947;
    --outline: #6f7977;
    --outline-variant: #bec9c6;
    --shadow: #000000;
    --scrim: #000000;
    --inverse-surface: #2d3130;
    --inverse-on-surface: #eff1ef;
    --inverse-primary: #53dbc9;
    --surface-dim: #d8dbd9;
    --surface-bright: #f7faf8;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f2f4f2;
    --surface-container: #eceeec;
    --surface-container-high: #e6e9e7;
    --surface-container-highest: #e0e3e1;
}
body.dark {
    --background: #191c1d;
    --error: #ffb4ab;
    --error-container: #93000a;
    --inverse-on-surface: #2e3132;
    --inverse-primary: #006874;
    --inverse-surface: #e1e3e3;
    --on-background: #e1e3e3;
    --on-error: #690005;
    --on-error-container: #ffb4ab;
    --on-primary: #00363d;
    --on-primary-container: #97f0ff;
    --on-secondary: #1c3438;
    --on-secondary-container: #cde7ec;
    --on-surface: #e1e3e3;
    --on-surface-variant: #bfc8ca;
    --on-tertiary: #24304d;
    --on-tertiary-container: #dae2ff;
    --outline: #899294;
    --outline-variant: #3f484a;
    --primary: #4fd8eb;
    --primary-container: #004f58;
    --scrim: #000000;
    --secondary: #b1cbd0;
    --secondary-container: #334b4f;
    --shadow: #000000;
    --surface: #101415;
    --surface-bright: #363a3a;
    --surface-container: #1d2021;
    --surface-container-high: #272b2b;
    --surface-container-highest: #323536;
    --surface-container-low: #191c1d;
    --surface-container-lowest: #0b0f0f;
    --surface-dim: #101415;
    --surface-variant: #3f484a;
    --tertiary: #bac6ea;
    --tertiary-container: #3b4664;
}
body::before {
    content: "";
    position: fixed;
    top: -50%;
    left: -10%;
    right: -10%;
    height: 100%;
    background:
        radial-gradient(
            circle at 20% 50%,
            rgba(79, 216, 235, 0.12) 0%,
            transparent 40%
        ),
        radial-gradient(
            circle at 80% 80%,
            rgba(0, 79, 88, 0.18) 0%,
            transparent 40%
        ),
        radial-gradient(
            circle at 40% 20%,
            rgba(186, 198, 234, 0.08) 0%,
            transparent 30%
        ),
        linear-gradient(
            180deg,
            rgba(79, 216, 235, 0.08) 0%,
            rgba(0, 79, 88, 0.06) 30%,
            transparent 70%
        );
    pointer-events: none;
    z-index: -1;
    filter: blur(60px);
    animation: gradient-float 20s ease-in-out infinite;
}
body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(79, 216, 235, 0.03) 2px,
            rgba(79, 216, 235, 0.03) 4px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(79, 216, 235, 0.03) 2px,
            rgba(79, 216, 235, 0.03) 4px
        );
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
    opacity: 0.3;
    mask-image: linear-gradient(to bottom, black 0%, transparent 60%);
    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 60%);
}

@keyframes gradient-float {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}
.responsive {
    max-width: 1200px;
    padding: 12px;
}
body.light .tabbed > a.active {
    background-color: var(--secondary-container) !important;
    color: var(--on-secondary-container) !important;
}

/* Landing Page */
.hero-container {
    text-align: center;
}
.hero-image {
    max-width: 100%;
    width: 400px;
    height: auto;
}
@media only screen and (min-width: 600px) {
    .hero-container {
        min-height: 60vh;
        align-items: center;
    }
}

/* about page */
.chip {
    margin-top: 12px;
}

/* Mobile-first: Simple stacked layout for small screens */
.timeline-item {
    display: block;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-date {
    display: block;

    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-align: center;
}

.timeline-separator {
    display: none; /* Hide separator on mobile */
}

.timeline-content {
    padding: 0;
}

/* Constrain progress bars within list items */
.list li span {
    width: 140px;
    flex-shrink: 0;
}
.list li progress {
    width: 80px;
    flex-shrink: 0;
}

/* Timeline layout for large screens (993px and above) */
@media only screen and (min-width: 1092px) {
    .timeline-item {
        display: grid;
        grid-template-columns: 1fr 60px 1fr;
        gap: 16px;
        position: relative;
        margin-bottom: 0;
    }

    .timeline-item:nth-child(even) .timeline-content {
        grid-column: 1;
        grid-row: 1;
    }

    .timeline-item:nth-child(even) .timeline-date {
        grid-column: 3;
        grid-row: 1;
    }

    .timeline-item:nth-child(odd) .timeline-content {
        grid-column: 3;
    }

    .timeline-item:nth-child(odd) .timeline-date {
        grid-column: 1;
        justify-content: end;
    }

    .timeline-separator {
        display: flex; /* Show separator on large screens */
        grid-column: 2;
        flex-direction: column;
        align-items: center;
        position: relative;
    }

    .timeline-connector {
        width: 2px;
        flex: 1;
        background-color: var(--secondary);
    }

    .timeline-dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background-color: var(--secondary);
        margin: 4px 0;
        flex-shrink: 0;
    }

    .timeline-date {
        display: flex;
        align-items: center;
        font-size: 1rem;
        margin-bottom: 0;
    }

    .timeline-content {
        padding: 12px 16px;
    }

    .timeline-item.no-date {
        grid-template-columns: 60px 1fr;
    }

    .timeline-item.no-date .timeline-separator {
        grid-column: 1;
    }

    .timeline-item.no-date .timeline-content {
        grid-column: 2;
    }

    .list li span {
        width: 180px;
    }
    .list li progress {
        width: 180px;
    }
}