* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #29241f;
    background: #fff7e8;
}

.page {
    width: min(920px, calc(100% - 32px));
    margin: 0 auto;
    padding: 40px 0;
}

.hero {
    text-align: center;
    padding: 36px 16px 24px;
}

.label {
    display: inline-block;
    margin: 0 0 12px;
    padding: 8px 14px;
    border-radius: 999px;
    background: #ffe08a;
    font-weight: 700;
}

h1 {
    margin: 0;
    font-size: clamp(48px, 10vw, 92px);
    line-height: 1;
    letter-spacing: 0.04em;
}

.lead {
    margin: 16px 0 0;
    font-size: 18px;
}

.card {
    margin-top: 20px;
    padding: 24px;
    border: 3px solid #29241f;
    border-radius: 24px;
    background: #ffffff;
    box-shadow: 8px 8px 0 #29241f;
}

.card h2 {
    margin: 0 0 16px;
    font-size: 22px;
}

.topic-form {
    display: flex;
    gap: 12px;
}

input[type="text"] {
    flex: 1;
    min-width: 0;
    padding: 14px 16px;
    border: 2px solid #29241f;
    border-radius: 14px;
    font-size: 16px;
}

button {
    border: 2px solid #29241f;
    border-radius: 14px;
    padding: 12px 18px;
    background: #ffb84c;
    color: #29241f;
    font-weight: 800;
    cursor: pointer;
}

button:hover {
    transform: translateY(-1px);
}

.random-button {
    width: 100%;
    margin-top: 16px;
    padding: 16px 20px;
    font-size: 18px;
    background: #7ee081;
}

.selected-topic {
    min-height: 110px;
    display: grid;
    place-items: center;
    padding: 24px;
    border: 2px dashed #29241f;
    border-radius: 18px;
    background: #fff3c7;
    text-align: center;
}

.selected-topic p {
    margin: 0;
    font-size: clamp(22px, 4vw, 36px);
    font-weight: 900;
    line-height: 1.5;
}

.selected-topic.empty p,
.empty-text {
    font-size: 16px;
    font-weight: 500;
    color: #7a6f61;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.section-heading span {
    font-weight: 800;
    background: #f2f2f2;
    border-radius: 999px;
    padding: 6px 12px;
}

.topic-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.topic-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 2px solid #eee1ce;
    border-radius: 16px;
}

.delete-button {
    background: #ffffff;
    color: #9c3328;
    border-color: #9c3328;
    padding: 8px 12px;
}

.flash-area {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.flash {
    margin: 0;
    padding: 12px 16px;
    border-radius: 14px;
    background: #29241f;
    color: #ffffff;
    font-weight: 700;
}

@media (max-width: 640px) {
    .topic-form {
        flex-direction: column;
    }

    .card {
        padding: 18px;
        box-shadow: 5px 5px 0 #29241f;
    }
}