* {
    box-sizing: border-box;
}

:root {
    color-scheme: light;
    --ink: #172033;
    --muted: #6f7a8e;
    --line: #dde5f2;
    --panel: #ffffff;
    --accent: #0f8f87;
    --accent-dark: #0b6f69;
    --gold: #f6b73c;
    --danger: #e75252;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--ink);
    background: linear-gradient(135deg, #f5f8ff 0%, #eef7f4 45%, #fff7e6 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 16% 12%, rgba(15, 143, 135, .18), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(246, 183, 60, .22), transparent 28%);
}

.page {
    position: relative;
    width: min(1040px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) 320px;
    gap: 28px;
    align-items: stretch;
    margin-bottom: 26px;
}

.hero-main,
.stats,
.tasks {
    background: rgba(255, 255, 255, .82);
    border: 1px solid rgba(221, 229, 242, .9);
    box-shadow: 0 24px 70px rgba(51, 72, 104, .14);
    backdrop-filter: blur(16px);
}

.hero-main {
    border-radius: 8px;
    padding: 34px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 300px;
}

.eyebrow {
    margin: 0 0 14px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
    color: var(--accent);
}

h1 {
    margin: 0;
    max-width: 720px;
    font-size: clamp(36px, 7vw, 74px);
    line-height: .95;
    letter-spacing: 0;
}

.subtitle {
    margin: 18px 0 0;
    max-width: 620px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.6;
}

.add-form {
    display: flex;
    gap: 12px;
    margin-top: 32px;
    padding: 8px;
    background: #f6f9fd;
    border: 1px solid var(--line);
    border-radius: 8px;
}

input {
    min-width: 0;
    flex: 1;
    border: 0;
    background: transparent;
    padding: 14px;
    font-size: 16px;
    color: var(--ink);
    outline: none;
}

input::placeholder {
    color: #9aa6b8;
}

button {
    border: 0;
    border-radius: 6px;
    padding: 0 22px;
    font-weight: 800;
    font-size: 15px;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    box-shadow: 0 12px 24px rgba(15, 143, 135, .26);
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease;
    white-space: nowrap;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 30px rgba(15, 143, 135, .32);
}

.stats {
    border-radius: 8px;
    padding: 26px;
    display: grid;
    gap: 16px;
    align-content: space-between;
}

.stat {
    padding: 18px;
    border-radius: 8px;
    background: #f8fbff;
    border: 1px solid var(--line);
}

.stat strong {
    display: block;
    font-size: 36px;
    line-height: 1;
    margin-bottom: 8px;
}

.stat span {
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.tasks {
    border-radius: 8px;
    padding: 26px;
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

h2 {
    margin: 0;
    font-size: 24px;
    letter-spacing: 0;
}

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    background: #edf7f6;
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 800;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

li {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(51, 72, 104, .07);
}

.check {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-weight: 900;
    color: #fff;
    background: var(--gold);
}

.task-text {
    min-width: 0;
    overflow-wrap: anywhere;
    font-size: 16px;
    font-weight: 700;
}

.task-actions {
    display: flex;
    gap: 8px;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
}

.task-actions button {
    min-height: 38px;
    padding: 0 14px;
    font-size: 13px;
    box-shadow: none;
}

.done-btn {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.remove-btn {
    background: linear-gradient(135deg, var(--danger), #b82f2f);
}

.complete .check {
    background: var(--accent);
}

.complete .task-text {
    color: #7a8497;
    text-decoration: line-through;
}

.empty {
    padding: 32px;
    border: 1px dashed #bcc8d9;
    border-radius: 8px;
    text-align: center;
    color: var(--muted);
    background: #fbfdff;
    font-weight: 700;
}

@media (max-width: 760px) {
    .page {
        width: min(100% - 24px, 1040px);
        padding: 24px 0;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero-main {
        padding: 24px;
        min-height: auto;
    }

    .add-form {
        flex-direction: column;
    }

    button {
        min-height: 48px;
    }

    .section-title {
        align-items: flex-start;
        flex-direction: column;
    }

    .stats {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 560px) {
    li {
        grid-template-columns: 34px minmax(0, 1fr);
        align-items: start;
    }

    .task-actions {
        grid-column: 2;
    }

    .task-actions button {
        min-height: 40px;
    }
}

@media (max-width: 460px) {
    .stats {
        grid-template-columns: 1fr;
    }

    .check {
        margin-top: 2px;
    }
}